1 00:00:00,000 --> 00:00:02,994 >> [Music kucheza] 2 00:00:02,994 --> 00:00:32,934 3 00:00:32,934 --> 00:00:35,429 >> SPIKA 1: Ni CS50, Chuo Kikuu cha Harvard. 4 00:00:35,429 --> 00:00:38,423 >> [Music kucheza] 5 00:00:38,423 --> 00:01:04,819 6 00:01:04,819 --> 00:01:08,027 DAVID J. Malan: [inaudible] pengine ni katika nusu ya mwisho ya kitabu cha simu, 7 00:01:08,027 --> 00:01:13,751 Sasa naweza machozi tatizo katika nusu. 8 00:01:13,751 --> 00:01:15,610 Hiyo ilikuwa ni kweli halisi, kwamba mapambano. 9 00:01:15,610 --> 00:01:18,514 >> [Music kucheza] 10 00:01:18,514 --> 00:01:49,200 11 00:01:49,200 --> 00:01:51,080 >> SPIKA 2: Wewe binadamu ni rahisi kuwapiga. 12 00:01:51,080 --> 00:01:54,160 13 00:01:54,160 --> 00:02:01,240 >> DAVID J. Malan: zote haki, hii ni CS50. 14 00:02:01,240 --> 00:02:03,610 Huu ni mwanzo na Mwishoni mwa wiki 12. 15 00:02:03,610 --> 00:02:05,360 Na unaweza kukumbuka kwamba katika wiki sifuri, hii 16 00:02:05,360 --> 00:02:08,443 ni ujumbe na ambayo tulianza, kwamba haijalishi ambapo mwisho 17 00:02:08,443 --> 00:02:10,900 up jamaa na wanafunzi wako, lakini ambapo leo, 18 00:02:10,900 --> 00:02:14,900 na wiki chache labda tu kuanzia sasa, mwisho up jamaa na wewe mwenyewe baadhi ya wiki iliyopita. 19 00:02:14,900 --> 00:02:18,360 >> Na kwa kweli, sisi kufanya matumaini baada ya hivyo seti tatizo wengi, na masaa mengi, 20 00:02:18,360 --> 00:02:20,850 na wanandoa wa Quizzes, na bado kwa mradi wa mwisho, 21 00:02:20,850 --> 00:02:24,290 kwamba kufanya kujisikia hasa kiburi baada ya kuja njia yote kutoka wiki 22 00:02:24,290 --> 00:02:27,200 moja ambapo hii, pengine, alikuwa mwanzo wa mapambano, 23 00:02:27,200 --> 00:02:29,840 iwapo katika toleo la kawaida au toleo hacker yake. 24 00:02:29,840 --> 00:02:33,880 Na napenda kupendekeza, kwamba wakati fulani katika muda wako bure, kwamba kurudi nyuma 25 00:02:33,880 --> 00:02:36,250 na kuona PHP yako, yako JavaScript, na kuona 26 00:02:36,250 --> 00:02:40,040 kama huwezi kutekeleza mbali hii, mbali zaidi na zaidi kwa raha 27 00:02:40,040 --> 00:02:42,510 kuliko wewe mara moja juu ya muda gani iliyopita. 28 00:02:42,510 --> 00:02:46,380 >> Hakika, baada ya hayo, tunakumbuka alivyofanya cryptography, ulifanya mchezo wa 15, 29 00:02:46,380 --> 00:02:50,350 ulifanya forensics changamoto, ulifanya kasi Spell 30 00:02:50,350 --> 00:02:54,140 kusahihisha kwamba unaweza, ulifanya CS50 fedha, CS50 mash-up, 31 00:02:54,140 --> 00:02:56,860 na kisha sasa, hatimaye, mwisho yako mwenyewe mradi. 32 00:02:56,860 --> 00:03:00,060 Na hivyo leo, sisi kujaribu kupata kufungwa, na kuangalia ambapo tumekuwa kuja, 33 00:03:00,060 --> 00:03:01,470 na wapi tunakwenda. 34 00:03:01,470 --> 00:03:04,550 Na tu kuwahakikishia pia kwamba, mara moja wote wa iliyobaki magurudumu mafunzo 35 00:03:04,550 --> 00:03:06,821 kufika mbali, wewe pretty much kuwa na zana za kutosha wengi 36 00:03:06,821 --> 00:03:08,570 katika chombo kit yako kwa sasa kwenda mbali na kufanya zaidi 37 00:03:08,570 --> 00:03:10,220 kitu chochote katika dunia ya kompyuta. 38 00:03:10,220 --> 00:03:13,390 >> Hakika kuzingatia kuchukua baadhi juu ya kozi ngazi inaweza kuwa ya faida. 39 00:03:13,390 --> 00:03:16,752 Lakini kutambua pia kwamba, hata kama hii ni mwisho CS shaka wewe kuchukua, kutambua 40 00:03:16,752 --> 00:03:18,710 kuwa juu ya Mac OS, kuna zana nyingi tofauti 41 00:03:18,710 --> 00:03:22,390 kwamba unaweza kutumia uhuru wa kuwa na kutumia kitu kama CS50 IDE. 42 00:03:22,390 --> 00:03:26,050 Karibu vyombo vya aina moja zipo kwa Madirisha, kwa ajili ya Linux, na zaidi. 43 00:03:26,050 --> 00:03:30,180 Na hakika, moja ya malengo CS50 katika kutumia hose hii moto ya lugha, C, 44 00:03:30,180 --> 00:03:32,640 na PHP, na Mwema, na JavaScript, na HTML, CSS na, 45 00:03:32,640 --> 00:03:34,890 ni kwa kweli kuhakikisha kwamba huna kujinasua bila shaka hii 46 00:03:34,890 --> 00:03:38,385 kufikiri, mimi kujifunza c, lakini badala ya uliyojifunza jinsi ya mpango, 47 00:03:38,385 --> 00:03:41,110 na kwamba wewe kuelewa kidogo kitu kuhusu sayansi ya kompyuta 48 00:03:41,110 --> 00:03:41,700 yenyewe. 49 00:03:41,700 --> 00:03:44,741 >> Kwa kweli, hata kama sisi si inaonekana wakati wote wa lugha zifuatazo, 50 00:03:44,741 --> 00:03:49,295 ni furaha sasa kuingia jumuiya hii ya folks ambao kupata ucheshi geeky funny. 51 00:03:49,295 --> 00:03:51,670 Na hata kama baadhi ya Lugha wewe ni juu ya kuona 52 00:03:51,670 --> 00:03:54,190 wanaweza kuwa kabisa utambuzi, utasikia angalau 53 00:03:54,190 --> 00:03:57,080 kupata chuckles chache kutoka angalau lugha moja utambuzi, na javascript. 54 00:03:57,080 --> 00:04:00,425 Hii ilikuwa ni majadiliano na hasa programu mjuzi 55 00:04:00,425 --> 00:04:03,100 baadhi ya wakati uliopita na haki, Wat. 56 00:04:03,100 --> 00:04:06,460 Na sisi walidhani tunataka kukupa glimpse katika jinsi wanasayansi wa kompyuta huwa 57 00:04:06,460 --> 00:04:08,250 kufikiri, au angalau majadiliano. 58 00:04:08,250 --> 00:04:11,184 59 00:04:11,184 --> 00:04:13,140 >> GARY BERNHARDT: All nzuri ya haki. 60 00:04:13,140 --> 00:04:14,570 Nyie kujua nini wat ina maana? 61 00:04:14,570 --> 00:04:17,740 62 00:04:17,740 --> 00:04:19,820 Wat. 63 00:04:19,820 --> 00:04:22,540 Hasa, hasa. 64 00:04:22,540 --> 00:04:24,800 Hebu majadiliano juu ya Ruby. 65 00:04:24,800 --> 00:04:30,270 Katika Ruby, kama wewe rejea kisichojulikana kutofautiana, bila shaka 66 00:04:30,270 --> 00:04:32,470 ni NameErrors, kama ungependa kutarajia. 67 00:04:32,470 --> 00:04:37,190 Na kama wewe kujaribu kuwapa b kwa nao kisichojulikana, bila shaka 68 00:04:37,190 --> 00:04:39,060 ni NameErrors, kama wewe d kutarajia. 69 00:04:39,060 --> 00:04:42,673 Na kile kinachotokea kama wewe kujaribu hawawajui, na kisichojulikana? 70 00:04:42,673 --> 00:04:43,660 >> Watazamaji: Nil. 71 00:04:43,660 --> 00:04:46,910 >> GARY BERNHARDT: Sahihi, haina. 72 00:04:46,910 --> 00:04:47,495 Wat. 73 00:04:47,495 --> 00:04:53,284 >> [Kicheko] 74 00:04:53,284 --> 00:04:54,200 Hebu majadiliano juu ya Ruby. 75 00:04:54,200 --> 00:04:57,090 76 00:04:57,090 --> 00:05:00,940 Ruby, tofauti na baadhi ya nguvu mengine lugha, hana maneno tupu. 77 00:05:00,940 --> 00:05:05,730 Hivyo huwezi aina ya maneno katika, na kuwa masharti kutoka nje isipokuwa wewe kufafanua 78 00:05:05,730 --> 00:05:09,070 method_missing fulani kwamba hana jambo la haki. 79 00:05:09,070 --> 00:05:13,010 Na kisha, kama wewe aina ya maneno wazi, ghafla, Ruby inasaidia maneno tupu. 80 00:05:13,010 --> 00:05:17,360 Na kwa kweli, itakuwa hata kusaidia Maneno wazi na bangs ndani yao. 81 00:05:17,360 --> 00:05:19,100 Na hii si kustahili wat. 82 00:05:19,100 --> 00:05:23,310 Hii ni kweli matokeo ya jinsi ya ajabu Ruby ni. 83 00:05:23,310 --> 00:05:26,400 Lakini kama wewe milele kweli kufanya hivyo, basi, wat. 84 00:05:26,400 --> 00:05:31,590 >> [Kicheko] 85 00:05:31,590 --> 00:05:33,375 >> Hebu majadiliano juu ya JavaScript. 86 00:05:33,375 --> 00:05:37,720 87 00:05:37,720 --> 00:05:41,440 Je, mtu yeyote kujua, katika JavaScript, nini safu pamoja safu ni? 88 00:05:41,440 --> 00:05:44,913 Naam, napenda kuuliza hii ya kwanza, kile lazima safu pamoja safu kuwa? 89 00:05:44,913 --> 00:05:45,900 >> Watazamaji: Empty safu. 90 00:05:45,900 --> 00:05:48,430 >> GARY BERNHARDT: Empty safu, mimi ingekuwa pia kukubali aina makosa. 91 00:05:48,430 --> 00:05:50,830 Hiyo ni nini safu pamoja safu ni. 92 00:05:50,830 --> 00:05:55,345 Makosa, makosa, safu pamoja safu ni kamba tupu. 93 00:05:55,345 --> 00:05:59,330 >> [Kicheko] 94 00:05:59,330 --> 00:06:03,040 >> Ni wazi, nadhani hiyo ni dhahiri kwa kila mtu. 95 00:06:03,040 --> 00:06:04,790 Sasa nini itakuwa safu pamoja kitu gani? 96 00:06:04,790 --> 00:06:07,498 Hii inapaswa kuwa aina ni wazi makosa, kwa sababu wale ni kabisa 97 00:06:07,498 --> 00:06:08,730 tofauti aina. 98 00:06:08,730 --> 00:06:10,240 Je, mtu yeyote kujua nini hiyo? 99 00:06:10,240 --> 00:06:11,900 >> Watazamaji: Si kweli. 100 00:06:11,900 --> 00:06:13,764 >> GARY BERNHARDT: Hapana, karibu, hapana, mbali mbali. 101 00:06:13,764 --> 00:06:14,680 Watazamaji: Ni kitu. 102 00:06:14,680 --> 00:06:15,955 GARY BERNHARDT: Ni kitu. 103 00:06:15,955 --> 00:06:17,950 Yeah, haki, nicely kufanyika. 104 00:06:17,950 --> 00:06:21,740 >> Sasa, bila shaka, kwa sababu hii ni pamoja, unaweza flip operands 105 00:06:21,740 --> 00:06:23,100 na kitu kimoja hutoka nje. 106 00:06:23,100 --> 00:06:25,860 Hivyo kama sisi do-- nini? 107 00:06:25,860 --> 00:06:27,550 Hakuna, kwamba tu kitu. 108 00:06:27,550 --> 00:06:30,340 Kama wewe kufanya kitu pamoja na safu wewe lazima kupata hasa kitu kimoja. 109 00:06:30,340 --> 00:06:31,865 Ambayo kama unaweza kuona, unaweza kufanya. 110 00:06:31,865 --> 00:06:36,540 >> [Kicheko] 111 00:06:36,540 --> 00:06:39,940 >> Na hatimaye, moja tu ya hizi hiyo ni kweli kweli 112 00:06:39,940 --> 00:06:43,510 is-- kwa sababu wewe kuongeza arrays na kupata kamba tupu, haina mantiki. 113 00:06:43,510 --> 00:06:47,334 Lakini kitu pamoja na kitu ni kweli si idadi, kitaalam. 114 00:06:47,334 --> 00:06:49,150 >> [Kicheko] 115 00:06:49,150 --> 00:06:50,450 >> Hivyo hii moja kweli haki. 116 00:06:50,450 --> 00:06:53,670 117 00:06:53,670 --> 00:06:57,470 Hasa, haki, kama yale ni hata kinachoendelea katika lang-- hii mimi tu, 118 00:06:57,470 --> 00:07:02,172 Mimi wala hata kuelewa nini Mtu mwenye ubongo katika vichwa vyao 119 00:07:02,172 --> 00:07:04,005 kudhani kuwa yoyote hiyo ni wazo nzuri. 120 00:07:04,005 --> 00:07:07,690 >> [Kicheko] 121 00:07:07,690 --> 00:07:09,859 >> OK, OK, kutosha maamuzi ya kujifurahisha ya lugha wanyonyao. 122 00:07:09,859 --> 00:07:11,025 Hebu majadiliano juu ya JavaScript. 123 00:07:11,025 --> 00:07:13,820 >> [Kicheko] 124 00:07:13,820 --> 00:07:18,210 >> Kama mimi kusema safu mpya dot 16, au safu tu (16), 125 00:07:18,210 --> 00:07:20,350 Mimi kupata safu ya 16 mambo, ambayo inawakilisha 126 00:07:20,350 --> 00:07:24,260 kama 16 koma, ambayo ni dhahiri. 127 00:07:24,260 --> 00:07:29,060 Kama mimi kisha kujiunga wale wenye kamba, basi mimi kupata kamba mara 16. 128 00:07:29,060 --> 00:07:33,527 Hii ni kweli mstari tu katika hili nzima mada hiyo ni nafuu. 129 00:07:33,527 --> 00:07:35,610 Sasa, kama mimi kuchukua kamba kwamba na kisha kuongeza 1 kwa hivyo, 130 00:07:35,610 --> 00:07:39,270 ni kutafsiri 1 as-- casts 1 kwa kamba, 131 00:07:39,270 --> 00:07:42,270 na kisha sisi kupata wat1 a rundo la nyakati, faini. 132 00:07:42,270 --> 00:07:45,688 Je, mtu yeyote kujua nini kitatokea kama mimi Ondoa 1 kutoka kamba? 133 00:07:45,688 --> 00:07:47,680 >> [Kicheko] 134 00:07:47,680 --> 00:07:49,030 >> Mimi nina kuchukua hakuna mtu gani. 135 00:07:49,030 --> 00:07:51,080 Hebu ME Mimi nitakupa ladha. 136 00:07:51,080 --> 00:07:53,290 Je, hii itasaidia? 137 00:07:53,290 --> 00:07:54,860 Je, mtu yeyote kujua? 138 00:07:54,860 --> 00:08:05,162 >> [Kicheko] 139 00:08:05,162 --> 00:08:05,662 Watman. 140 00:08:05,662 --> 00:08:14,972 [Kicheko] 141 00:08:14,972 --> 00:08:15,680 Hayo ni yote I got. 142 00:08:15,680 --> 00:08:16,480 Asante nyie. 143 00:08:16,480 --> 00:08:22,244 >> [Makofi] 144 00:08:22,244 --> 00:08:25,410 DAVID J. Malan: Hebu tuangalie kwa haraka katika baadhi ya mambo mbele kwa ajili yenu. 145 00:08:25,410 --> 00:08:27,710 Hivyo CS50 Hackathon ni Epic huu wote nighter, 146 00:08:27,710 --> 00:08:30,780 wakati ambao, na wanafunzi wako kutoka Yale, kupiga mbizi into-- 147 00:08:30,780 --> 00:08:33,350 lakini hopefully si begin-- mradi wako wa mwisho. 148 00:08:33,350 --> 00:08:34,850 Jioni itaanza saa 07:00. 149 00:08:34,850 --> 00:08:36,580 Kwanza cha jioni itakuwa takribani saa 9:00 jioni. 150 00:08:36,580 --> 00:08:38,054 Chakula cha jioni pili itakuwa katika 1:00. 151 00:08:38,054 --> 00:08:39,929 Na kisha, kwa wale bado amesimama, kifungua kinywa 152 00:08:39,929 --> 00:08:42,870 itakuwa aliwahi katika IHOP karibu 05:00. 153 00:08:42,870 --> 00:08:45,180 >> Unaweza kuona pazia kama huu. 154 00:08:45,180 --> 00:08:46,930 Kama alivyoahidi, katika wiki sifuri mwaka huu, tutaweza 155 00:08:46,930 --> 00:08:50,090 na si tu chakula, na chakula cha jioni, na pipi, lakini pia kwa mara ya pili 156 00:08:50,090 --> 00:08:52,070 katika historia, mbogamboga. 157 00:08:52,070 --> 00:08:55,902 Lakini karibu 3 au 4 AM, pazia kama hii si yote kawaida. 158 00:08:55,902 --> 00:08:59,110 Hakika tunaona sehemu yetu ya haki ya mito kufikishwa kwa Hackathon, ambayo 159 00:08:59,110 --> 00:09:00,200 ni faini vilevile. 160 00:09:00,200 --> 00:09:02,890 Na kisha kilele bila shaka ni kinachojulikana CS50 haki. 161 00:09:02,890 --> 00:09:05,290 Kuna moja wote hapa, na katika New Haven wiki baada. 162 00:09:05,290 --> 00:09:08,431 Moja katika Harvard ni Jumatatu, Desemba 7, 163 00:09:08,431 --> 00:09:10,180 wakati wa mchana katika Northwest Sayansi. 164 00:09:10,180 --> 00:09:11,710 >> Na juu ya kuwasili, utakuwa kuangalia katika. 165 00:09:11,710 --> 00:09:14,380 Na utaona mambo kama hayo kama popcorn, na balloons, 166 00:09:14,380 --> 00:09:17,180 na hatimaye, kama ya mwisho watu mwaka, zaidi ya 2000 kuja 167 00:09:17,180 --> 00:09:20,270 kuona mradi wako wa mwisho, wanafunzi, wafanyakazi, na kitivo 168 00:09:20,270 --> 00:09:22,630 kutoka katika chuo na hata mbali-ya chuo. 169 00:09:22,630 --> 00:09:27,250 Na kama si motisha ya kutosha kuja kuona wewe mwenyewe, 170 00:09:27,250 --> 00:09:29,490 kutambua kuwa wako marafiki wanaweza kuhimizwa 171 00:09:29,490 --> 00:09:32,534 kuja kuona Asana, na eBay, na Facebook, na Google, na Microsoft, 172 00:09:32,534 --> 00:09:34,950 na Palantir, na Quora, na wengine, waajiri na Mbegu 173 00:09:34,950 --> 00:09:37,699 kutoka makampuni haya mbalimbali ili majadiliano juu ya maisha katika dunia halisi, 174 00:09:37,699 --> 00:09:41,790 fursa zote mbili muda kamili na Summertime katika sekta halisi. 175 00:09:41,790 --> 00:09:44,920 >> Na kama kwamba walikuwa si sababu kutosha kuja kuwaona, 176 00:09:44,920 --> 00:09:49,420 rafiki yako wanaweza kuhimizwa kuingia bahati nasibu ambapo, juu ya kuwasili, 177 00:09:49,420 --> 00:09:52,510 wewe kama wanafunzi watakuwa kila itatolewa rundo la stika smiley uso. 178 00:09:52,510 --> 00:09:55,500 Na waliohudhuria, kama rafiki yako, itakuwa kubebwa kidogo bahati nasibu kadi 179 00:09:55,500 --> 00:09:56,260 juu ya kuwasili. 180 00:09:56,260 --> 00:09:58,920 Na kwa kila mtu wao kuzungumza juu, watakuwa 181 00:09:58,920 --> 00:10:01,310 mitupu, na wewe, smiley uso sticker. 182 00:10:01,310 --> 00:10:06,270 Ambayo kila mmoja inawakilisha kuingia ndani ya bahati nasibu na zawadi fabulous, 183 00:10:06,270 --> 00:10:09,155 miongoni mwao Xbox, Wii, na a rundo zima la mambo mengine fun, 184 00:10:09,155 --> 00:10:10,780 baadhi ya ambayo tumeona hapa katika darasa. 185 00:10:10,780 --> 00:10:11,780 Hivyo kukaa tuned kwa ajili hiyo. 186 00:10:11,780 --> 00:10:14,490 >> Lakini hatimaye, ni kabisa kuhusu mafanikio 187 00:10:14,490 --> 00:10:17,130 muhula huu, na maneno, na msisimko 188 00:10:17,130 --> 00:10:18,870 kwamba kuchochea katika wale wanaohudhuria. 189 00:10:18,870 --> 00:10:21,660 Ambapo hatimaye ni amevaa yako sana own-- hii, 190 00:10:21,660 --> 00:10:24,330 Mimi alichukua CS50 fulana kama kuwa hapa. 191 00:10:24,330 --> 00:10:26,790 Hivyo kuhamasisha yako marafiki kwa kichwa na URL hii 192 00:10:26,790 --> 00:10:29,760 hapa, ambayo nitakutuma kwa maelezo yote hiyo. 193 00:10:29,760 --> 00:10:33,080 >> Wakati huo huo, kama wewe ni kuzingatia mwingine kuangalia sayansi ya kompyuta spring hii, 194 00:10:33,080 --> 00:10:36,560 au zaidi, kutambua kwamba hii ni handout-- huo angalau updated tangu wiki 195 00:10:36,560 --> 00:10:37,935 zero-- kwamba sisi mitupu nje. 196 00:10:37,935 --> 00:10:39,810 Na kama wewe kwenda katikati ya booklet-- hii 197 00:10:39,810 --> 00:10:43,040 kuna nakala katika transept outside-- kutambua hili inaonyesha 198 00:10:43,040 --> 00:10:45,740 kupitia mishale nini hasa kozi unaweza kwenda mbali 199 00:10:45,740 --> 00:10:49,100 kuchunguza hii spring, karibu kuanguka, Summertime, na kwingineko. 200 00:10:49,100 --> 00:10:51,920 Hivyo kufanya tuangalie chati humo ili kupata maana ya mambo. 201 00:10:51,920 --> 00:10:54,170 Na kama Ningependa kupata kushiriki katika uwezo mwingine, 202 00:10:54,170 --> 00:10:57,520 tunajua, kama huna tayari, kuwa Chuo Board-- ambayo 203 00:10:57,520 --> 00:10:59,880 unaweza kuwa baadhi si kumbukumbu hivyo uzoefu of-- 204 00:10:59,880 --> 00:11:03,650 ina hata hivyo tu kujenga mpya mtaala mfumo aitwaye AP kompyuta 205 00:11:03,650 --> 00:11:04,517 Sayansi Kanuni. 206 00:11:04,517 --> 00:11:06,850 Kitu unaweza kuwa kuchukuliwa, au angalau kusikia kuhusu, 207 00:11:06,850 --> 00:11:09,410 zilizopo mwendo CS katika shule za sekondari aitwaye 208 00:11:09,410 --> 00:11:12,210 APCSA, ambayo ni haki tabaka la mundane kwamba 209 00:11:12,210 --> 00:11:15,920 inalenga njia sana juu ya lugha Java na mechanics yake. 210 00:11:15,920 --> 00:11:19,250 >> Kanuni APCS, wakati huo huo, mapenzi kuwa zaidi kuhusu mawazo, na zaidi 211 00:11:19,250 --> 00:11:20,400 kuhusu utatuzi wa matatizo. 212 00:11:20,400 --> 00:11:24,530 Na kuhusu suala hili, sisi, kundi la marafiki zetu katika UC Berkeley, saa co.org, 213 00:11:24,530 --> 00:11:26,340 na vyombo vingine chache duniani kote 214 00:11:26,340 --> 00:11:29,480 ni kujenga mitaala kwamba kukidhi kanuni za APCS. 215 00:11:29,480 --> 00:11:34,170 Ambayo ni kusema kwamba CS50 AP mapenzi kuwa AP sawa kwamba wanafunzi 216 00:11:34,170 --> 00:11:37,470 katika shule mbalimbali za sekondari nchini dunia inaweza kuchukua kuanzia hii kuanguka kuja 217 00:11:37,470 --> 00:11:38,214 2016. 218 00:11:38,214 --> 00:11:40,880 Na kama Ningependa kujihusisha katika elimu ya sekondari, 219 00:11:40,880 --> 00:11:43,350 na kushiriki katika uhamasishaji huu, Je, kufikia nje kwa sisi pale, 220 00:11:43,350 --> 00:11:47,990 kama wewe ni TF, CA, au tu nia ya elimu kwa ujumla. 221 00:11:47,990 --> 00:11:50,400 >> Na hakika, kama Ningependa kujiunga na timu CS50 ya mwenyewe, 222 00:11:50,400 --> 00:11:54,440 kutambua kwamba kwa haraka kama mrefu kuishia, tutaweza kuanza kuajiri 223 00:11:54,440 --> 00:11:57,870 kwa Ualimu Fellows, Kozi wasaidizi, kama vile wasanii wengi kwamba 224 00:11:57,870 --> 00:12:00,740 kufanya kozi hii inawezekana nyuma ya pazia, 225 00:12:00,740 --> 00:12:04,420 kujenga mali yake online, wake katika-mtu fursa, na zaidi. 226 00:12:04,420 --> 00:12:08,540 Hivyo kama yoyote ya majukumu haya hapa kukata rufaa, Je, hebu kujua katika URL hii hapa. 227 00:12:08,540 --> 00:12:12,220 Sasa katika muda kidogo, tutaweza kurejea kwa, tu kama tulivyofanya katika wiki sifuri, baadhi keki. 228 00:12:12,220 --> 00:12:14,280 Wakati huu utakuwa ni downstairs katika baa. 229 00:12:14,280 --> 00:12:15,910 Hivyo kichwa huko baadaye. 230 00:12:15,910 --> 00:12:20,580 Lakini sikuweza nataka tu kuchukua muda kutambua kweli nini keki hii hapa 231 00:12:20,580 --> 00:12:24,860 inawakilisha, au labda zaidi canonically, nini hii hapa uso-off inawakilisha. 232 00:12:24,860 --> 00:12:29,372 >> Ni kweli imekuwa heshima, uaminifu, kwa kuwa kushirikiana na marafiki zetu 233 00:12:29,372 --> 00:12:31,080 chini ya barabara katika New Bandari muhula huu. 234 00:12:31,080 --> 00:12:34,170 Ni hakika kuwa ajabu Jambo, Jambo la kawaida, 235 00:12:34,170 --> 00:12:36,580 kuthubutu kusema mno Jambo kwa vyuo viwili 236 00:12:36,580 --> 00:12:39,479 kuwa kuja pamoja, sadaka Bila shaka moja katika huo huo, 237 00:12:39,479 --> 00:12:42,520 juu ya vyuo vikuu viwili tofauti na kuleta hizi mbili mwanafunzi miili pamoja. 238 00:12:42,520 --> 00:12:44,740 Lakini imekuwa kama heshima ya kufanya kazi na Andi, 239 00:12:44,740 --> 00:12:49,146 na Scass, na kwa Jason katika New Haven, na ukamilifu wa wetu 44 wafanyakazi mtu 240 00:12:49,146 --> 00:12:51,020 ya Ualimu wasaidizi, na wasaidizi shaka 241 00:12:51,020 --> 00:12:55,250 New Haven, ambao, kwa mara ya kwanza katika Historia Yale, walikuwa wengi wao wakiwa wenyewe 242 00:12:55,250 --> 00:12:56,090 wanafunzi wa vyuo vikuu. 243 00:12:56,090 --> 00:12:59,720 >> Hakika, mpaka mwaka huu, kuanguka 2015, Yale hakuwa kweli 244 00:12:59,720 --> 00:13:02,030 na mila au posho kwa wanafunzi wa vyuo vikuu 245 00:13:02,030 --> 00:13:04,524 sehemu kuongoza na kuwahudumia kama mafundisho wenzake 246 00:13:04,524 --> 00:13:06,690 kiasi kama tumekuwa walifurahia hapa ndani ya sayansi ya kompyuta 247 00:13:06,690 --> 00:13:07,920 katika Harvard kwa muda fulani. 248 00:13:07,920 --> 00:13:10,700 Na hivyo kuwa peke imekuwa fursa ya pekee kwa ajili yetu 249 00:13:10,700 --> 00:13:13,100 kushirikiana nao katika mpango huo, na kuleta 250 00:13:13,100 --> 00:13:17,069 katika kundi viongozi kama vile Andi na walimu wengine huko juu ya chuo. 251 00:13:17,069 --> 00:13:20,110 Na naomba kuteka kipaumbele maalum pia, kwa huyu katikati. 252 00:13:20,110 --> 00:13:23,660 Ingawa yeye sasa anaishi mjini New Haven-- kiasi kikubwa kwa sababu sisi alimtuma 253 00:13:23,660 --> 00:13:27,160 there-- hii ni matokeo yote ya Jason Hirschhorn baada ya Ualimu 254 00:13:27,160 --> 00:13:29,670 Wenzake kwa CS50 kwa kabisa miaka michache hapa, 255 00:13:29,670 --> 00:13:32,190 alihitimu mwaka jana, Kirkland House. 256 00:13:32,190 --> 00:13:34,750 Na ultimately-- Nadhani alipigiwa simu kutoka kwangu 257 00:13:34,750 --> 00:13:37,140 wakati mmoja kwamba pretty kiasi kikubwa kwa, hey, 258 00:13:37,140 --> 00:13:40,124 ingekuwa wewe akili kuhamia New Haven baada ya kuhitimu? 259 00:13:40,124 --> 00:13:42,790 Hii yote kwa sababu tulikuwa kujaribu kusimama mpango huu, 260 00:13:42,790 --> 00:13:45,739 na tunataka kuhakikisha kuwa kuna Ilikuwa maarifa kitaasisi chini 261 00:13:45,739 --> 00:13:48,530 kuna katika New Haven kwa sababu tulikuwa kujenga kitu kuanzia mwanzo. 262 00:13:48,530 --> 00:13:51,660 Na if-- Jason, kama unaweza labda kuja juu tu juu awkwardly kuelekea hatua, 263 00:13:51,660 --> 00:13:53,909 ili tuweze angalau wote kuona Jason Hirschhorn ndani ya mtu. 264 00:13:53,909 --> 00:13:59,350 [Makofi] 265 00:13:59,350 --> 00:14:02,840 >> Hakika, bila Jason, Yale 50 isingekuwa iwezekanavyo. 266 00:14:02,840 --> 00:14:04,960 Hivyo shukrani zetu kwa Jason Hirschhorn. 267 00:14:04,960 --> 00:14:10,900 Na pia, tuna wafanyakazi kubwa ambayo hatutakuwa kuvuta hisia za binafsi 268 00:14:10,900 --> 00:14:13,130 kwa kila mtu hapa, lakini zaidi ya 100 watu binafsi 269 00:14:13,130 --> 00:14:15,130 hapa katika New Haven ambao kufanya kozi hii inawezekana. 270 00:14:15,130 --> 00:14:17,088 Na unaweza tu kuona Ualimu yako mwenyewe wenzangu 271 00:14:17,088 --> 00:14:18,900 katika orodha hii, iwe hapa au New Haven. 272 00:14:18,900 --> 00:14:21,430 Na hivyo kama tunaweza, pande zote mkubwa wa makofi 273 00:14:21,430 --> 00:14:23,060 kwa ukamilifu wa wafanyakazi wa kufundisha. 274 00:14:23,060 --> 00:14:29,200 >> [Makofi] 275 00:14:29,200 --> 00:14:32,190 >> Na napenda kuteka baadhi maalum makini na baadhi ya folks 276 00:14:32,190 --> 00:14:35,045 hapa, hasa Hana, na Maria, na Daven, na Rob, ambao, 277 00:14:35,045 --> 00:14:38,220 kama kozi kichwa, kufanya kila kitu kukimbia hapa katika Cambridge. 278 00:14:38,220 --> 00:14:41,710 Bila shaka, Colton Ogden, ambaye huanza zaidi ya mihadhara yetu zaidi ya hapo juu muziki. 279 00:14:41,710 --> 00:14:46,186 280 00:14:46,186 --> 00:14:51,750 Doug Lloyd, who-- hii ni CS50 AP, ambaye alikuwa kuongoza AP mpango wetu. 281 00:14:51,750 --> 00:14:55,750 Dan Armendáriz, bila ambaye sisi bila kuwa CS50 IDE mwaka huu. 282 00:14:55,750 --> 00:14:58,430 Aliess, ambao hufanya kila kitu Inawezekana nyuma ya pazia, 283 00:14:58,430 --> 00:15:01,600 ikiwa ni pamoja na kuendesha taa kama pichani hapa. 284 00:15:01,600 --> 00:15:04,680 Na kisha mwisho, lakini si mdogo, Uzalishaji wa timu CS50. 285 00:15:04,680 --> 00:15:06,970 >> Inatosha kusema, ni Uzalishaji wa timu CS50 286 00:15:06,970 --> 00:15:10,430 ambayo inampa hivyo wengi wetu kulala katika katika mchana, 287 00:15:10,430 --> 00:15:13,251 na kujihusisha na kozi ya nyenzo kweli asynchronously. 288 00:15:13,251 --> 00:15:15,750 Na hii ni mengi sana moja ya kubuni malengo bila shaka. 289 00:15:15,750 --> 00:15:18,860 Kama unajua, sisi are-- kufurahia sasa hivi nafasi 290 00:15:18,860 --> 00:15:20,272 kuruhusu uandikishaji sawia. 291 00:15:20,272 --> 00:15:22,230 Tuna nafasi kwa wanafunzi, hakika, 292 00:15:22,230 --> 00:15:24,820 kuangalia courses- hizi vifaa online, 293 00:15:24,820 --> 00:15:27,100 hata katika muda halisi kuishi hivi sasa. 294 00:15:27,100 --> 00:15:30,715 Na hii ni kabisa kwa sababu ya uzalishaji timu hiyo unaweza kuona, 295 00:15:30,715 --> 00:15:33,060 au hata hawaoni karibu wewe, na nyuma yenu hapa. 296 00:15:33,060 --> 00:15:35,910 >> Kwa mfano, hii ilikuwa baadhi ya Footage risasi na Jordan katika mwaka uliopita, 297 00:15:35,910 --> 00:15:38,890 tu kuzungumza na aina ya ufundi kwamba unaendelea nyuma ya pazia. 298 00:15:38,890 --> 00:15:40,460 Hii, bila shaka, ni FoHo katika Quad. 299 00:15:40,460 --> 00:15:42,440 Na tu kukupa kuangalia nyuma katika wiki sifuri, 300 00:15:42,440 --> 00:15:46,340 hii ilikuwa picha na ambayo tulianza wiki ya kwanza. 301 00:15:46,340 --> 00:15:56,320 >> [Music kucheza] 302 00:15:56,320 --> 00:15:58,350 >> Hiyo ilikuwa ni kutokana na CS50 ya mwenyewe Jordan. 303 00:15:58,350 --> 00:16:05,590 Na pia nyuma ya pazia hapa leo ni Ramon, na Ian, na Scully, na Dan 304 00:16:05,590 --> 00:16:06,920 Coffey. 305 00:16:06,920 --> 00:16:12,067 Dan Coffey, ambaye anaongoza Uzalishaji wa timu CD50 ya. 306 00:16:12,067 --> 00:16:13,900 Na kwa kweli katika kipindi cha years-- hii kadhaa 307 00:16:13,900 --> 00:16:16,340 ni mwaka wangu wa tisa kushiriki kwa kozi hii kweli ana 308 00:16:16,340 --> 00:16:19,740 Dan Coffey, pamoja na uzalishaji timu, kuchukuliwa CS50 kwa ngazi nyingine. 309 00:16:19,740 --> 00:16:22,410 Si tu kufanya sisi risasi Bila shaka sasa katika 4K, hivyo kusema, 310 00:16:22,410 --> 00:16:25,500 mwaka huu kuja tutaweza pia kuwa na uwezo wa risasi katika 6K. 311 00:16:25,500 --> 00:16:31,440 Kama vile katika ukweli virtual, sehemu kwa sababu ni cool-- 312 00:16:31,440 --> 00:16:33,496 sehemu kwa sababu ni baridi, lakini pia kama unajua, 313 00:16:33,496 --> 00:16:35,400 tuna sizable sana online jamii. 314 00:16:35,400 --> 00:16:37,977 Folks ambao, kwa mbalimbali Sababu hakuweza kusafiri kwenda, 315 00:16:37,977 --> 00:16:40,060 au hakuweza kuhudhuria nafasi kama Harvard na Yale. 316 00:16:40,060 --> 00:16:43,420 >> Na moja ya malengo pedagogically ni kwa majaribio na aina mpya za teknolojia 317 00:16:43,420 --> 00:16:46,910 ili tuweze, kupitia wakala, na kupitia nyote, kutoa online wanafunzi 318 00:16:46,910 --> 00:16:49,660 duniani kote nafasi kuona, na kuhisi, na kusikia 319 00:16:49,660 --> 00:16:51,630 nini mahali kama Harvard au Yale anahisi kama. 320 00:16:51,630 --> 00:16:54,290 Hivyo kuja hivi karibuni, katika kuanguka 2016. 321 00:16:54,290 --> 00:16:58,150 Na sasa kuchukua ni chini notch, hii ni kuhusu kuwa horrifying. 322 00:16:58,150 --> 00:17:01,300 >> Lakini unaweza kukumbuka kwamba wengi ya video hotuba mwaka huu, 323 00:17:01,300 --> 00:17:05,560 au kila mmoja, mwisho na aina ya inaonekana kipande cha ajabu kutoka Seinfeld, 324 00:17:05,560 --> 00:17:09,310 aliongoza kwa baadhi ya sehemu halisi re-kutekelezwa na uzalishaji CS50 325 00:17:09,310 --> 00:17:11,940 timu, ambao wamekuwa incredibly neema na ubunifu. 326 00:17:11,940 --> 00:17:15,290 Na mimi nilifikiri itakuwa kuonyesha moja ya maongozi, 30 kipande cha pili, 327 00:17:15,290 --> 00:17:17,700 kutoka halisi Seinfeld show kwamba aliongoza moja ya hii 328 00:17:17,700 --> 00:17:20,060 semester's-- mimi nina favorite kipande cha told--. 329 00:17:20,060 --> 00:17:23,981 Hivyo kwanza, kipande cha halisi kutoka Seinfeld. 330 00:17:23,981 --> 00:17:25,339 >> ELAINE: C'mon ambaye ni kucheza? 331 00:17:25,339 --> 00:17:26,963 Wanataka mimi to-- unataka mimi kupata ilianza? 332 00:17:26,963 --> 00:17:29,945 Mimi itabidi kupata ilianza. 333 00:17:29,945 --> 00:17:30,939 Haki wote, woo! 334 00:17:30,939 --> 00:17:35,412 >> [Music kucheza] 335 00:17:35,412 --> 00:17:41,873 >> [Kicheko] 336 00:17:41,873 --> 00:17:43,861 >> Woo! 337 00:17:43,861 --> 00:17:45,352 C'mon guys, nini kushikilia juu? 338 00:17:45,352 --> 00:17:49,328 339 00:17:49,328 --> 00:17:50,595 >> GEORGE: tamu dhana Musa. 340 00:17:50,595 --> 00:17:52,589 >> [Kicheko] 341 00:17:52,589 --> 00:17:54,880 DAVID J. Malan: Hivyo sisi mara nyingi majadiliano juu ya kusukuma wanafunzi 342 00:17:54,880 --> 00:17:56,400 zaidi ya kanda yao wenyewe faraja. 343 00:17:56,400 --> 00:17:59,850 Mimi, sasa, ni kwenda kutambaa up katika mpira na kwikwi 344 00:17:59,850 --> 00:18:02,590 kama sisi kucheza kwa wewe huu re-utekelezaji wa hii, 345 00:18:02,590 --> 00:18:06,116 shukrani kwa timu ya uzalishaji CS50. 346 00:18:06,116 --> 00:18:08,576 >> [Seinfeld THEME MANENO] 347 00:18:08,576 --> 00:18:13,004 348 00:18:13,004 --> 00:18:14,480 >> Haki wote, ambaye ni kucheza? 349 00:18:14,480 --> 00:18:15,956 C'mon, ambaye ni kucheza? 350 00:18:15,956 --> 00:18:17,432 Unataka mimi kupata ilianza? 351 00:18:17,432 --> 00:18:19,392 Mimi itabidi kupata ilianza. 352 00:18:19,392 --> 00:18:19,892 Woo! 353 00:18:19,892 --> 00:18:25,304 >> [Music kucheza] 354 00:18:25,304 --> 00:18:30,716 355 00:18:30,716 --> 00:18:34,415 >> DOUG LLOYD: tamu dhana Musa. 356 00:18:34,415 --> 00:18:38,190 >> [Makofi] 357 00:18:38,190 --> 00:18:41,230 >> DAVID J. Malan: Na sasa baadhi mambo maalum kwa ajili ya alumna 358 00:18:41,230 --> 00:18:44,480 ambaye sasa ni kufanya PhD yake tu chini ya barabara hapa katika Harvard. 359 00:18:44,480 --> 00:18:47,540 Na ambao wangeweza mara nyingi kuonekana katika fomu hii katika masaa ya ofisi, 360 00:18:47,540 --> 00:18:49,140 wote katika Cambridge, na katika New Haven. 361 00:18:49,140 --> 00:18:56,910 Kwa kweli, kama sisi enhance-- duru kubwa ya makofi kwa CS50 ya mwenyewe, Zamyla. 362 00:18:56,910 --> 00:19:00,500 Na sasa, neno kutoka CS50 wafanyakazi katika maeneo yote ambaye angeweza 363 00:19:00,500 --> 00:19:02,569 kama kutoa baadhi zimefunguliwa Maneno yao wenyewe. 364 00:19:02,569 --> 00:19:04,610 ANNALEAH ERNST: Kuna hakuna shaka wengine ambao 365 00:19:04,610 --> 00:19:08,430 kila mtu ambaye anafanya kazi kwa ajili ya kozi ni kama msisimko kuwa huko, na kuwa 366 00:19:08,430 --> 00:19:11,720 kushiriki katika hilo, kama CS50. 367 00:19:11,720 --> 00:19:15,860 Sijui, ni kama kweli hii muhimu na maalum uwajibikaji, 368 00:19:15,860 --> 00:19:17,515 na aina ya uzoefu wa ajabu. 369 00:19:17,515 --> 00:19:20,056 Na mimi nina furaha kweli mimi kupata kuwa sehemu ya elimu ya watu. 370 00:19:20,056 --> 00:19:22,802 SPIKA 3: CS50, katika wangu maoni, ni ajabu. 371 00:19:22,802 --> 00:19:24,170 I love it. 372 00:19:24,170 --> 00:19:25,970 Mimi kupendwa hivyo wakati mimi nilikuwa kuchukua darasa. 373 00:19:25,970 --> 00:19:27,392 Na mimi upendo hivyo hata zaidi kama TA. 374 00:19:27,392 --> 00:19:30,100 JORDAN Hayashi: CFing ni mengi ya kazi, lakini ni kweli zawadi 375 00:19:30,100 --> 00:19:31,541 kwa sababu wewe kupata kufundisha sana. 376 00:19:31,541 --> 00:19:33,082 Wewe kweli kupata kujua wanafunzi wako. 377 00:19:33,082 --> 00:19:35,260 Kupata kujua nyenzo wewe mwenyewe. 378 00:19:35,260 --> 00:19:38,090 Na wewe kupata tu kuangalia yao kuwa wanasayansi wa kompyuta. 379 00:19:38,090 --> 00:19:41,492 >> SPIKA 4: Wanafunzi wangu ni kuonyesha ya muhula wangu. 380 00:19:41,492 --> 00:19:44,950 >> [Music kucheza] 381 00:19:44,950 --> 00:19:57,846 382 00:19:57,846 --> 00:19:59,220 DAVID J. Malan: Na hii ni CS50. 383 00:19:59,220 --> 00:20:03,220 DAVID MCPEEK: Nimekuwa tu kamwe waliona kama vile kiongozi juu ya chuo, 384 00:20:03,220 --> 00:20:04,240 kama nina muhula huu. 385 00:20:04,240 --> 00:20:07,510 >> SAM LEVATICH: Hii ni moja ya fursa tu juu ya chuo Kikuu cha Yale ya 386 00:20:07,510 --> 00:20:10,520 kwa kweli kupata wawekezaji katika ufundishaji. 387 00:20:10,520 --> 00:20:13,021 >> SPIKA 5: Ni kweli baridi kwa ona CS50 kutoka upande mwingine. 388 00:20:13,021 --> 00:20:15,770 NICK JOSEPH: Mimi alishangazwa na jinsi msisimko wanafunzi wote walikuwa. 389 00:20:15,770 --> 00:20:17,718 Arianna BENSON: Ni pia nzuri wakati watu 390 00:20:17,718 --> 00:20:20,603 kuokoa picha ya Rick Astley, na ni kama, ambaye ni kwamba? 391 00:20:20,603 --> 00:20:23,394 DAVID Armenta: nilitaka kutoa nyuma kwa sababu mimi got mengi ya msaada 392 00:20:23,394 --> 00:20:24,269 nilipokuwa mwanafunzi. 393 00:20:24,269 --> 00:20:29,630 MARY FARNER: Wote unahitaji ni shauku na upendo wa kufundisha, au CS, 394 00:20:29,630 --> 00:20:32,288 au mtu yeyote wa juu, na wewe utakuwa na uwezo wa kufanya hivyo. 395 00:20:32,288 --> 00:20:34,371 SAM LEVATICH: All yangu wanafunzi kushika Rickrolling yangu. 396 00:20:34,371 --> 00:20:37,317 [Music kucheza] 397 00:20:37,317 --> 00:21:01,386 398 00:21:01,386 --> 00:21:04,010 ANNALEAH ERNST: Imekuwa ni kiasi furaha kufundisha kuhusu jambo hili 399 00:21:04,010 --> 00:21:06,009 kwamba mimi kweli upendo, na nadhani ni mengi ya furaha, 400 00:21:06,009 --> 00:21:08,470 na kujaribu watu wengine msisimko juu ya hilo pia. 401 00:21:08,470 --> 00:21:10,830 Mimi nina Annaleah Ernst, na hii ni CS50. 402 00:21:10,830 --> 00:21:15,874 >> [Wakishangilia] 403 00:21:15,874 --> 00:21:24,085 >> [Music kucheza] 404 00:21:24,085 --> 00:21:27,210 DAVID J. Malan: Na sasa, unaweza kukumbuka kwamba tulianza muhula huu kuzungumza 405 00:21:27,210 --> 00:21:30,390 hatimaye kuhusu fikra Computational katika kutatua matatizo ya kujitegemea 406 00:21:30,390 --> 00:21:32,160 ya lugha halisi ya programu. 407 00:21:32,160 --> 00:21:34,330 Na sisi walidhani tunatarajia kuona tu ni kwa kiasi gani 408 00:21:34,330 --> 00:21:37,369 hii ina huchimbiwa katika kwa kujaribu zoezi sisi hakufanya katika wiki sifuri, 409 00:21:37,369 --> 00:21:39,160 lakini tulidhani tunatarajia kujaribu mara kadhaa hapa 410 00:21:39,160 --> 00:21:42,220 katika wiki 12, ambayo Mimi haja ya kujitolea ambao 411 00:21:42,220 --> 00:21:44,560 ni vizuri kuja juu hapa juu ya hatua. 412 00:21:44,560 --> 00:21:45,060 >> Kuja juu juu. 413 00:21:45,060 --> 00:21:45,855 Jina lako ni nini? 414 00:21:45,855 --> 00:21:46,480 >> YAHONG: Yahong. 415 00:21:46,480 --> 00:21:48,370 DAVID J. Malan: Yahong, kuja juu juu, kwa njia hii. 416 00:21:48,370 --> 00:21:50,763 Na kama wewe wote, kama una karatasi kutoka kwetu 417 00:21:50,763 --> 00:21:53,790 au karatasi tupu ya karatasi ya yako mwenyewe, kwenda mbele na kuchukua kwamba nje 418 00:21:53,790 --> 00:21:54,830 katika hatua hii. 419 00:21:54,830 --> 00:21:56,380 Vyema kukutana na wewe. 420 00:21:56,380 --> 00:22:00,490 Haki wote, lengo Yahong ya hapa ni kwenda kuwa yafuatayo, 421 00:22:00,490 --> 00:22:06,370 Nina hapa kuchora kwamba tu yeye ni kwenda kuwa na uwezo wa kuona. 422 00:22:06,370 --> 00:22:08,710 Kuja juu juu hapa nchini katikati, kama Ningependa. 423 00:22:08,710 --> 00:22:10,760 Na nikupe kipaza sauti hapa. 424 00:22:10,760 --> 00:22:13,710 Na lengo lako hapa ni kwenda kuwa kuelezea, 425 00:22:13,710 --> 00:22:16,440 kwa kina kama sahihi kama Inawezekana, nini kuona. 426 00:22:16,440 --> 00:22:19,380 >> Na folks hizi hapa, kama aina ya watekelezaji kompyuta hii, 427 00:22:19,380 --> 00:22:22,140 haja ya kuteka nini hasa kusema. 428 00:22:22,140 --> 00:22:25,770 Na kisha, nini la kufanya ni kunyakua a chache sampuli random kutoka kwa watazamaji 429 00:22:25,770 --> 00:22:27,895 na tutaweza kuona jinsi just hii kazi nje. 430 00:22:27,895 --> 00:22:29,020 YAHONG: Kwa hiyo mimi kuelezea hili. 431 00:22:29,020 --> 00:22:30,478 DAVID J. Malan: Wewe ilivyoelezwa huu. 432 00:22:30,478 --> 00:22:34,317 Kumweleza mamia yako wa wanafunzi hapa ni nini hasa kuteka, kwenda. 433 00:22:34,317 --> 00:22:36,650 YAHONG: Sawa, hivyo katika sana katikati ya kipande cha karatasi, 434 00:22:36,650 --> 00:22:39,290 kuna maumbo mawili, moja juu ya nyingine, 435 00:22:39,290 --> 00:22:41,380 lakini si kugusa, lakini karibu kugusa. 436 00:22:41,380 --> 00:22:44,575 Kwa hiyo, kuna mduara kwenye juu, na mraba juu ya chini, 437 00:22:44,575 --> 00:22:45,950 na wao uko karibu ukubwa huo. 438 00:22:45,950 --> 00:22:47,600 Wao ni aina ya kati, ndogo. 439 00:22:47,600 --> 00:22:54,810 Na ndani ya mduara, kuna two-- kuna viwanja vitatu. 440 00:22:54,810 --> 00:22:59,460 Hivyo kuna mraba kidogo ndani ya mraba kubwa zaidi, ndani ya mraba kubwa. 441 00:22:59,460 --> 00:23:02,660 Na ndani ya mraba juu ya chini, kuna duru tatu. 442 00:23:02,660 --> 00:23:05,515 Mzunguko kidogo ndani ya kubwa mduara, ndani ya mduara kubwa. 443 00:23:05,515 --> 00:23:06,556 DAVID J. Malan: Got kwamba? 444 00:23:06,556 --> 00:23:07,719 Watazamaji: Hapana 445 00:23:07,719 --> 00:23:10,010 DAVID J. Malan: Hivyo kwa nini hawana you-- nitakwenda kutembea. 446 00:23:10,010 --> 00:23:13,200 Mimi itabidi kunyakua chache, na kama unataka kurejea kwa wale ambao wanahitaji njia ya pili. 447 00:23:13,200 --> 00:23:15,810 >> YAHONG: Sawa, unahitaji mimi kueleza tena? 448 00:23:15,810 --> 00:23:20,630 Sawa, sawa, hivyo katikati ya karatasi kuna maumbo mawili. 449 00:23:20,630 --> 00:23:23,710 Na moja ni juu ya nyingine, lakini wao ni takribani ukubwa huo. 450 00:23:23,710 --> 00:23:29,850 Kuna mzunguko wa kati ndogo juu ya ukubwa wa ndogo za mraba. 451 00:23:29,850 --> 00:23:33,900 OK, hivyo ni aina ya kama juu, kufikiri juu ya kuweka kama snowman, 452 00:23:33,900 --> 00:23:36,720 lakini kwa maumbo mawili tofauti badala ya duru mbili. 453 00:23:36,720 --> 00:23:39,100 Na kisha juu ya the-- ndani ya mduara, kuna 454 00:23:39,100 --> 00:23:44,047 ni sanduku dogo, ndani ya mwingine dogo sanduku, ndani ya mwingine sanduku ndogo. 455 00:23:44,047 --> 00:23:46,130 Na ndani ya mraba, kuna mduara vidogo, 456 00:23:46,130 --> 00:23:49,371 ndani ya mduara mwingine mdogo, ndani ya mduara mwingine mdogo. 457 00:23:49,371 --> 00:23:52,306 Je, hiyo mantiki? 458 00:23:52,306 --> 00:23:53,139 DAVID J. Malan: Ndiyo. 459 00:23:53,139 --> 00:23:54,405 YAHONG: mengi ya shinikizo. 460 00:23:54,405 --> 00:23:56,800 DAVID J. Malan: zote haki, Mimi nitakuwa haki ya nyuma. 461 00:23:56,800 --> 00:24:00,580 Kwenda kwa watazamaji hapa, sawa, nzuri sana. 462 00:24:00,580 --> 00:24:03,060 Asante, OK tumekuwa got kuchukua kwamba moja. 463 00:24:03,060 --> 00:24:05,830 Haki wote, kwamba inaonekana kama nzuri random sampuli, asante. 464 00:24:05,830 --> 00:24:06,330 Sawa. 465 00:24:06,330 --> 00:24:06,996 >> YAHONG: Ajabu. 466 00:24:06,996 --> 00:24:08,720 DAVID J. Malan: Hivyo now-- pia? 467 00:24:08,720 --> 00:24:09,500 >> YAHONG: Ajabu. 468 00:24:09,500 --> 00:24:10,360 >> DAVID J. Malan: Oh, kutisha, sawa. 469 00:24:10,360 --> 00:24:11,670 Hivyo kushangaza, kukaa pale pale. 470 00:24:11,670 --> 00:24:16,290 Mimi nina kwenda kwenda mbele na kukufunulia nini baadhi ya wanafunzi wako hapa alivyofanya. 471 00:24:16,290 --> 00:24:22,260 Hivyo hapa tuna hii moja hapa. 472 00:24:22,260 --> 00:24:25,410 OK, ni aina ya tu kuendelea na kwenda. 473 00:24:25,410 --> 00:24:27,920 Hapa, tofauti kidogo tafsiri. 474 00:24:27,920 --> 00:24:31,020 475 00:24:31,020 --> 00:24:40,370 OK, hapa, hebu angalia, kupata karibu, angalau kidogo, nzuri sana. 476 00:24:40,370 --> 00:24:42,200 Ingawa, mimi tu alikuwa na kunyakua hii moja. 477 00:24:42,200 --> 00:24:44,680 >> [Kicheko] 478 00:24:44,680 --> 00:24:46,500 >> Ilikuwa jibu halisi ni nini? 479 00:24:46,500 --> 00:24:48,300 Hebu tuangalie hapa. 480 00:24:48,300 --> 00:24:51,600 Kile alichokuwa kuelezea Ilikuwa picha hii hapa. 481 00:24:51,600 --> 00:24:54,490 Hivyo man-- baadhi of-- wengi wenu hapa katika wale nikaona, 482 00:24:54,490 --> 00:24:55,570 Je, kupata haki hii. 483 00:24:55,570 --> 00:24:59,470 Hebu kwenda mbele na show-- hebu wito mtu mwingine juu na kuona jinsi urahisi, 484 00:24:59,470 --> 00:25:01,920 au kwa nini ngazi ya ugumu wanaweza kufanya hivyo. 485 00:25:01,920 --> 00:25:02,970 Asante sana. 486 00:25:02,970 --> 00:25:05,460 Vipi kuhusu wengine kujitolea moja mbele kidogo nyuma. 487 00:25:05,460 --> 00:25:08,820 OK, nikaona mkono hii ya kwanza, kuja juu juu. 488 00:25:08,820 --> 00:25:10,280 Jina lako ni nini? 489 00:25:10,280 --> 00:25:11,119 Oh, pole? 490 00:25:11,119 --> 00:25:11,660 MARCY: Marcy. 491 00:25:11,660 --> 00:25:14,976 DAVID J. Malan: Marcy, kuja juu ya juu, ni vyema kukutana na wewe. 492 00:25:14,976 --> 00:25:16,850 Haki wote, hapa tuna kipaza sauti kwa ajili yenu. 493 00:25:16,850 --> 00:25:17,940 Napenda kupata kuchora. 494 00:25:17,940 --> 00:25:20,398 Na hivyo kama unataka kutumia tu hasara ya karatasi kwamba, 495 00:25:20,398 --> 00:25:23,780 au baadhi karatasi pili wa karatasi, mimi nina kwenda mbele na kutoa Marcy 496 00:25:23,780 --> 00:25:32,320 moja tofauti hapa kwamba tu yeye sasa wanaweza see-- kwamba tu 497 00:25:32,320 --> 00:25:36,330 anaweza kuona opaquely, sawa. 498 00:25:36,330 --> 00:25:37,210 >> MARCY: Sawa. 499 00:25:37,210 --> 00:25:38,001 >> DAVID J. Malan: Nenda. 500 00:25:38,001 --> 00:25:40,040 501 00:25:40,040 --> 00:25:45,180 >> MARCY: Draw 16 kidogo dots wote katika gridi ya taifa. 502 00:25:45,180 --> 00:25:49,340 Hivyo safu nne za nukta nne kila moja. 503 00:25:49,340 --> 00:25:55,376 Na dots ni mashimo, hivyo wao ni kama vidogo duru kidogo. 504 00:25:55,376 --> 00:25:56,770 Oh, kuna watano kati yao. 505 00:25:56,770 --> 00:25:59,050 OK, ni watano. 506 00:25:59,050 --> 00:26:02,930 Ni safu tano ya dots nyeusi. 507 00:26:02,930 --> 00:26:09,290 Tano safu ya dots tano, na kisha, kuanzia juu kushoto corner-- sawa, 508 00:26:09,290 --> 00:26:12,460 hivyo safu tano ya nukta tano, na dots ni mashimo, 509 00:26:12,460 --> 00:26:15,630 hivyo wao ni kama vidogo duru kidogo kweli. 510 00:26:15,630 --> 00:26:17,250 Hivyo wao ni nyeupe juu ya ndani. 511 00:26:17,250 --> 00:26:18,540 >> Watazamaji: Sawa. 512 00:26:18,540 --> 00:26:21,280 >> MARCY: safu OK, hivyo vitano vya nukta tano. 513 00:26:21,280 --> 00:26:25,560 Na kisha, baada ya kuanza kutoka juu kushoto dot, 514 00:26:25,560 --> 00:26:28,090 na kisha kuchora mstari chini ya nukta ijayo 515 00:26:28,090 --> 00:26:34,290 chini, na kisha kuchora mstari mwingine moja na haki ya kuwa moja. 516 00:26:34,290 --> 00:26:36,390 Hivyo hiyo ni mistari miwili hadi sasa. 517 00:26:36,390 --> 00:26:41,440 Na kisha kuchora mstari chini ijayo moja chini. 518 00:26:41,440 --> 00:26:44,490 OK, hivyo hiyo ni mistari mitatu, chini, kulia, na kisha chini. 519 00:26:44,490 --> 00:26:46,470 Na kisha kushoto. 520 00:26:46,470 --> 00:26:49,450 Na kisha chini. 521 00:26:49,450 --> 00:26:53,940 >> OK, hivyo kurejea, ni Wa kwanza ni down-- sawa, 522 00:26:53,940 --> 00:26:57,740 wewe ni kuanzia juu kushoto corner-- na kisha chini, na kisha haki, 523 00:26:57,740 --> 00:27:05,040 na kisha chini, na kisha kushoto, na kisha chini, na kisha haki, na kisha haki, 524 00:27:05,040 --> 00:27:06,560 na kisha kushoto. 525 00:27:06,560 --> 00:27:07,980 OK, hivyo sisi ni karibu nusu kupitia. 526 00:27:07,980 --> 00:27:10,290 527 00:27:10,290 --> 00:27:12,040 DAVID J. Malan: Wewe Alisema haki, kisha kushoto. 528 00:27:12,040 --> 00:27:15,960 MARCY: Oh, whoops, sawa. 529 00:27:15,960 --> 00:27:17,860 DAVID J. Malan: Ni si rahisi. 530 00:27:17,860 --> 00:27:19,840 MARCY: Hebu kuanza juu. 531 00:27:19,840 --> 00:27:21,590 Hebu kuanza juu kutoka juu kushoto kona. 532 00:27:21,590 --> 00:27:22,840 >> DAVID J. Malan: Moja zaidi kupita. 533 00:27:22,840 --> 00:27:33,650 MARCY: Yeah, sawa, chini, kulia, chini, kushoto, chini, kulia, kulia, chini, kulia, 534 00:27:33,650 --> 00:27:44,520 up, kulia, juu, kushoto, kushoto, juu, juu, kulia, chini, kulia, juu, na wewe 535 00:27:44,520 --> 00:27:46,880 lazima juu upande wa kulia. 536 00:27:46,880 --> 00:27:47,430 SAWA. 537 00:27:47,430 --> 00:27:52,010 >> DAVID J. Malan: zote haki, na kama wewe alifanya hivyo kwa usahihi, unapaswa sasa 538 00:27:52,010 --> 00:27:57,320 na hii kwenye karatasi yako ya karatasi. 539 00:27:57,320 --> 00:28:01,530 Hivyo basi mimi kuja kunyakua wanandoa. 540 00:28:01,530 --> 00:28:09,900 Sawa, asante, asante, asante, OK, sidhani kama unataka hivyo. 541 00:28:09,900 --> 00:28:13,690 OK, loo upendo huu, asante. 542 00:28:13,690 --> 00:28:18,770 Pole kufikia, wow, aw, OK mimi nina kwenda kuchukua tu kwamba moja. 543 00:28:18,770 --> 00:28:22,250 Haki wote, hiyo ni nzuri, hiyo ni nzuri sana. 544 00:28:22,250 --> 00:28:27,920 Haki wote, hivyo hebu kuona nini sisi hapa. 545 00:28:27,920 --> 00:28:31,400 >> Hivyo taarifa, kujaribu kufanya alama ya akili ya hii. 546 00:28:31,400 --> 00:28:33,720 Hebu kwenda nyuma makadirio hapa. 547 00:28:33,720 --> 00:28:38,730 Na hii ni pretty darn nzuri hapa, vizuri mno kufanyika. 548 00:28:38,730 --> 00:28:42,430 Hii moja, kidogo kidogo, lakini Nadhani hiyo ni juu ya kufuatilia haki 549 00:28:42,430 --> 00:28:47,040 pia, vizuri mno kufanyika. 550 00:28:47,040 --> 00:28:50,090 OK, hii moja Najisikia kama mimi haipaswi kuweka hii kwenye mtandao, 551 00:28:50,090 --> 00:28:53,365 hivyo basi ME hii moja ina namba ya simu kwa sababu fulani. 552 00:28:53,365 --> 00:28:57,460 >> [Kicheko] 553 00:28:57,460 --> 00:28:59,680 >> Asante. 554 00:28:59,680 --> 00:29:03,240 Na kisha, kwa nini sio sisi kuishia na hii moja na now-- asante much-- 555 00:29:03,240 --> 00:29:05,950 tuna muda kwa moja zaidi mfano hapa. 556 00:29:05,950 --> 00:29:08,900 Wakati huu, vipi kuhusu juu ya kushoto huko, kuja juu juu. 557 00:29:08,900 --> 00:29:10,280 Yup, kwa mikono yenu, yup. 558 00:29:10,280 --> 00:29:14,200 Wote haki kuja juu juu, kuja juu juu. 559 00:29:14,200 --> 00:29:19,030 Wakati huu ingawa, kuja juu juu. 560 00:29:19,030 --> 00:29:19,760 Jina lako ni nini? 561 00:29:19,760 --> 00:29:20,500 >> DANIEL: Daniel. 562 00:29:20,500 --> 00:29:23,860 >> DAVID J. Malan: Daniel, wakati huu ingawa, tuko 563 00:29:23,860 --> 00:29:26,280 kwenda spice up hii kidogo kidogo, na tuko 564 00:29:26,280 --> 00:29:28,465 kwenda na wewe kuja zaidi ya kugusa screen. 565 00:29:28,465 --> 00:29:31,090 Hivyo sasa wakati huu, mimi nina kwenda kwa kuonyesha nyote kuchora wote. 566 00:29:31,090 --> 00:29:35,630 Na juu ya mfumo wa heshima, msitende hoja ya macho yako milele hivyo kidogo hapa 567 00:29:35,630 --> 00:29:38,300 kuona nini picha halisi ni. 568 00:29:38,300 --> 00:29:40,359 Hivyo tu kuendelea a-- tu sawa mbele. 569 00:29:40,359 --> 00:29:42,400 Na kisha utaenda kuteka juu ya screen hii ni nini 570 00:29:42,400 --> 00:29:43,733 wanafunzi wako kuelezea na wewe. 571 00:29:43,733 --> 00:29:46,590 Na mimi itabidi kujaribu kufanya muhtasari wa kwa maneno hivyo ni kubwa ya kutosha. 572 00:29:46,590 --> 00:29:50,925 >> Haki wote, hivyo mfumo wa heshima hapa, angalia mbele moja kwa moja tu, 573 00:29:50,925 --> 00:29:54,050 na nyote hatua kwa step-- si tofauti na siagi ya karanga na jelly example-- 574 00:29:54,050 --> 00:29:56,550 hebu jaribu kuelezea hili. 575 00:29:56,550 --> 00:29:57,810 Maelekezo kwanza tafadhali. 576 00:29:57,810 --> 00:29:59,590 >> Watazamaji: Draw mduara mkubwa. 577 00:29:59,590 --> 00:30:01,063 >> DAVID J. Malan: Draw mduara mkubwa. 578 00:30:01,063 --> 00:30:07,220 >> [Kicheko] 579 00:30:07,220 --> 00:30:09,327 >> Haki wote, hii mimi nina kwenda kutengua. 580 00:30:09,327 --> 00:30:11,589 >> Watazamaji: Draw fimbo takwimu bila silaha. 581 00:30:11,589 --> 00:30:14,005 DAVID J. Malan: Nilisikia, kuteka takwimu fimbo bila silaha. 582 00:30:14,005 --> 00:30:17,240 583 00:30:17,240 --> 00:30:18,190 >> [Makofi] 584 00:30:18,190 --> 00:30:22,226 >> OK, haki, mafundisho yote ya pili. 585 00:30:22,226 --> 00:30:23,490 >> Watazamaji: kushoto mkono juu ya hip. 586 00:30:23,490 --> 00:30:27,472 >> DAVID J. Malan: kushoto mkono juu ya hip. 587 00:30:27,472 --> 00:30:28,940 >> Watazamaji: Angular, angular. 588 00:30:28,940 --> 00:30:32,530 >> DAVID J. Malan: Angular, sawa, tuna to-- nikupe Raba. 589 00:30:32,530 --> 00:30:33,980 Hebu kufuta. 590 00:30:33,980 --> 00:30:35,852 OK, tena. 591 00:30:35,852 --> 00:30:36,810 Watazamaji: Pointy elbow. 592 00:30:36,810 --> 00:30:39,590 DAVID J. Malan: Pointy elbow. 593 00:30:39,590 --> 00:30:40,729 Pointy elbow. 594 00:30:40,729 --> 00:30:42,020 Watazamaji: elbow kidogo papo hapo. 595 00:30:42,020 --> 00:30:43,561 DAVID J. Malan: elbow kidogo papo hapo. 596 00:30:43,561 --> 00:30:45,169 [Makofi] 597 00:30:45,169 --> 00:30:46,710 DAVID J. Malan: zote haki, nini kingine? 598 00:30:46,710 --> 00:30:48,647 Tatu mafundisho. 599 00:30:48,647 --> 00:30:49,730 Watazamaji: Sasa mzunguko the-- 600 00:30:49,730 --> 00:30:51,064 DAVID J. Malan: Sasa mzunguko the-- 601 00:30:51,064 --> 00:30:52,355 Watazamaji: Kilimo cha kubadilishana ni nyuzi 90. 602 00:30:52,355 --> 00:30:53,950 DAVID J. Malan: Kilimo cha kubadilishana ni nyuzi 90. 603 00:30:53,950 --> 00:30:55,846 [Kicheko] 604 00:30:55,846 --> 00:30:59,975 [Kupiga kelele] 605 00:30:59,975 --> 00:31:00,475 Nini? 606 00:31:00,475 --> 00:31:03,200 607 00:31:03,200 --> 00:31:07,079 Mkono wa kulia ni v mkono wa kulia ni v.. 608 00:31:07,079 --> 00:31:08,045 >> Watazamaji: Kuna kwenda. 609 00:31:08,045 --> 00:31:08,920 >> DAVID J. Malan: Nice. 610 00:31:08,920 --> 00:31:09,830 [Wakishangilia] 611 00:31:09,830 --> 00:31:13,550 >> Haki wote, na hatua za mwisho, hatua za mwisho. 612 00:31:13,550 --> 00:31:15,070 >> Watazamaji: mstari wanafunzi mbali na kichwa. 613 00:31:15,070 --> 00:31:17,880 >> DAVID J. Malan: mstari mbali na kichwa. 614 00:31:17,880 --> 00:31:20,267 Hakuna juu kushoto, yeah. 615 00:31:20,267 --> 00:31:33,470 >> [Kupiga kelele] 616 00:31:33,470 --> 00:31:34,960 >> Watazamaji: 45 nyuzi. 617 00:31:34,960 --> 00:31:38,416 >> DAVID J. Malan: 45 nyuzi. 618 00:31:38,416 --> 00:31:39,898 Oh, hakuna. 619 00:31:39,898 --> 00:31:43,356 >> [Kupiga kelele] 620 00:31:43,356 --> 00:31:44,832 >> Ndiyo. 621 00:31:44,832 --> 00:31:45,332 Hakuna 622 00:31:45,332 --> 00:31:48,296 623 00:31:48,296 --> 00:31:50,790 >> Watazamaji: Kutoka juu kushoto wa kichwa chake. 624 00:31:50,790 --> 00:31:54,554 >> DAVID J. Malan: Kuanzia, kutoka kushoto juu ya head-- yake 625 00:31:54,554 --> 00:31:56,490 >> Watazamaji: Si kushikamana na kichwa chake. 626 00:31:56,490 --> 00:31:58,957 >> DAVID J. Malan: Si kushikamana na kichwa chake. 627 00:31:58,957 --> 00:31:59,457 Ndiyo. 628 00:31:59,457 --> 00:32:04,347 >> [Kupiga kelele] 629 00:32:04,347 --> 00:32:06,792 >> Hiyo ni nzuri, hiyo ni nzuri. 630 00:32:06,792 --> 00:32:07,980 >> Watazamaji: Andika, Hi. 631 00:32:07,980 --> 00:32:09,900 >> DAVID J. Malan: Andika, Hi. 632 00:32:09,900 --> 00:32:11,385 Kuandika, Hi. 633 00:32:11,385 --> 00:32:12,315 >> Watazamaji: Juu. 634 00:32:12,315 --> 00:32:14,640 >> DAVID J. Malan: Juu. 635 00:32:14,640 --> 00:32:16,500 >> Watazamaji: Mwishoni mwa mstari. 636 00:32:16,500 --> 00:32:19,760 >> DAVID J. Malan: Wakati Mwishoni mwa mstari write-- 637 00:32:19,760 --> 00:32:20,700 >> Watazamaji: Kidogo i. 638 00:32:20,700 --> 00:32:21,200 Hakuna 639 00:32:21,200 --> 00:32:24,354 >> [Kupiga kelele] 640 00:32:24,354 --> 00:32:25,520 DAVID J. Malan: lowercase i. 641 00:32:25,520 --> 00:32:28,624 642 00:32:28,624 --> 00:32:29,415 Nilisikia, lowercase. 643 00:32:29,415 --> 00:32:33,195 644 00:32:33,195 --> 00:32:33,695 Ndiyo. 645 00:32:33,695 --> 00:32:38,160 >> [Makofi] 646 00:32:38,160 --> 00:32:41,210 >> Haki wote, kwamba ilikuwa ajabu, asante. 647 00:32:41,210 --> 00:32:49,790 Haki wote, hivyo tuna wakati kwa moja zaidi zoezi tu. 648 00:32:49,790 --> 00:32:52,240 Unaweza kukumbuka kufuatia muziki mada 649 00:32:52,240 --> 00:32:54,399 ambayo, kutambua tumekuwa kuchukuliwa baadhi uhuru 650 00:32:54,399 --> 00:32:57,190 sheria ya yafuatayo mchezo, kwa sababu katika tatizo kuweka nane, 651 00:32:57,190 --> 00:32:58,710 sisi aliuliza wewe rundo la maswali ambayo yalikuwa kimsingi 652 00:32:58,710 --> 00:32:59,750 katika mfumo wa hatarini. 653 00:32:59,750 --> 00:33:01,800 Na tu baada ya p-kuweka nane hatukufanya kuamua, 654 00:33:01,800 --> 00:33:04,050 vizuri, labda ingekuwa kweli kuwa zaidi kidogo 655 00:33:04,050 --> 00:33:08,572 kujifurahisha kwa kucheza kitu kingine badala yake. 656 00:33:08,572 --> 00:33:15,850 >> [FAMILY feud THEME MUSIC] 657 00:33:15,850 --> 00:33:20,301 >> Kwa hili, sisi ni kwenda haja nne wanachama wa wafanyakazi wa kufundisha. 658 00:33:20,301 --> 00:33:25,372 Wajumbe wanne wa wafanyakazi wa kufundisha, na nne ya wanafunzi, vipi kuhusu moja, 659 00:33:25,372 --> 00:33:27,555 mbili, vipi kuhusu tatu, nne. 660 00:33:27,555 --> 00:33:29,446 Kuja juu chini, kuja juu chini. 661 00:33:29,446 --> 00:33:34,166 662 00:33:34,166 --> 00:33:38,860 Haki wote, Tuko pia kwenda need-- tuko pia 663 00:33:38,860 --> 00:33:42,900 kwenda haja student-- moja ikiwa wafanyakazi wangependa kwenda hapa upande wa kushoto, wanafunzi 664 00:33:42,900 --> 00:33:46,090 juu hapa right-- tunahitaji mtu ambaye ni mzuri katika hesabu 665 00:33:46,090 --> 00:33:48,990 chini ya shinikizo. 666 00:33:48,990 --> 00:33:53,460 >> OK, hapa hapa kuwa kujitolea [Inaudible] kuja juu juu. 667 00:33:53,460 --> 00:33:55,110 Hivyo itabidi kutumia screen kugusa hapa. 668 00:33:55,110 --> 00:33:56,252 Jina lako ni nini? 669 00:33:56,252 --> 00:33:56,960 MICHAEL: Michael. 670 00:33:56,960 --> 00:33:58,680 DAVID J. Malan: Michael, kuja juu juu. 671 00:33:58,680 --> 00:34:01,080 Hivyo tutaweza kukupa maelekezo katika muda tu. 672 00:34:01,080 --> 00:34:04,090 Lakini kama unataka kuandika tu wafanyakazi juu ya haki na wanafunzi 673 00:34:04,090 --> 00:34:07,610 upande wa kushoto kwa alama ufugaji, basi mimi kwenda mbele na acheni kila mmoja wenu 674 00:34:07,610 --> 00:34:11,735 kuanzisha wenyewe kwa darasa lako katika siku hii ya mwisho. 675 00:34:11,735 --> 00:34:13,109 JAMES: Mimi ni James, mimi nina Freshman. 676 00:34:13,109 --> 00:34:15,670 677 00:34:15,670 --> 00:34:18,720 >> AARON: Hi, mimi nina Haruni. 678 00:34:18,720 --> 00:34:21,045 >> MAYA: Mimi ni Maya. 679 00:34:21,045 --> 00:34:22,178 >> KATHERINE: Mimi ni Katherine. 680 00:34:22,178 --> 00:34:23,969 DAVID J. Malan: Na sasa wafanyakazi wa kufundisha. 681 00:34:23,969 --> 00:34:26,199 JACK: Mimi ni Jack. 682 00:34:26,199 --> 00:34:27,579 ABBY: Abby 683 00:34:27,579 --> 00:34:29,944 TIM: Hi, mimi nina Tim. 684 00:34:29,944 --> 00:34:30,485 MARIA: Maria. 685 00:34:30,485 --> 00:34:34,260 686 00:34:34,260 --> 00:34:36,960 >> DAVID J. Malan: Hivyo, sisi na mapema, kuja 687 00:34:36,960 --> 00:34:41,540 kwa idadi ya maswali, baadhi ya ambao baadhi ya majibu sisi aina ya alifanya juu, 688 00:34:41,540 --> 00:34:45,440 lakini wengine ambao majibu ni kulingana na takwimu halisi 689 00:34:45,440 --> 00:34:48,889 kutoka maoni yako mwenyewe ya tatizo kuweka nane, na seti tatizo mengine. 690 00:34:48,889 --> 00:34:51,989 Hivyo kwa ujumla, kila moja ya haya majibu tutaweza kuwa zilizofanyiwa utafiti, 691 00:34:51,989 --> 00:34:55,980 hebu sema watu 100, sisi kuweka juu ya majibu nne au tano au sita 692 00:34:55,980 --> 00:34:58,439 juu ya bodi, ambayo kila mmoja ina alama yanayohusiana na hayo. 693 00:34:58,439 --> 00:35:00,730 Nini tunakwenda kufanya ni tweak sheria kidogo. 694 00:35:00,730 --> 00:35:03,000 Hivyo badala ya kutoa kudhibiti kwa timu moja au nyingine, 695 00:35:03,000 --> 00:35:09,510 tuko tu kwenda kutumia mazao ya chakula vifungo rahisi kuruhusu kila timu 696 00:35:09,510 --> 00:35:11,150 kwa buzz katika haraka. 697 00:35:11,150 --> 00:35:14,917 Na anaye guesses-- hits kifungo kwanza, na anapata swali sahihi, 698 00:35:14,917 --> 00:35:16,500 itakuwa uwezekano kupata pointi kwamba mengi. 699 00:35:16,500 --> 00:35:18,333 Tutaweza kuendelea na safari, tutaweza kuendelea, na kisha 700 00:35:18,333 --> 00:35:23,065 namna yoyote timu alimaliza bodi, mapenzi kupata yote ya pointi tallied hivi sasa. 701 00:35:23,065 --> 00:35:24,940 Kwa hiyo kile utasikia wanataka Je, ni Tally pointi 702 00:35:24,940 --> 00:35:26,750 kama sisi kwenda kwa kila swali akajibu sawa. 703 00:35:26,750 --> 00:35:29,750 Na kisha mara moja ncha pande zote, uko kwenda kuweka jumla ama hapa, 704 00:35:29,750 --> 00:35:30,600 au zaidi ya hapa. 705 00:35:30,600 --> 00:35:32,280 >> MICHAEL: Kwa hiyo mimi Tally katika kichwa changu. 706 00:35:32,280 --> 00:35:36,020 >> DAVID J. Malan: Au kwenye screen mbele ya kila mtu, ndiyo, 707 00:35:36,020 --> 00:35:40,040 au kwenye simu yako, ambayo ni nyuma huko inaonekana. 708 00:35:40,040 --> 00:35:42,507 Haki wote, hivyo tutaweza kutembea wewe kupitia hii. 709 00:35:42,507 --> 00:35:43,840 Hakuna haja ya kufanya kitu chochote bado tu. 710 00:35:43,840 --> 00:35:46,048 Jambo la kwanza wanafunzi na wafanyakazi haja ya kufanya 711 00:35:46,048 --> 00:35:47,880 kupigwa husika yao vifungo kwa kasi 712 00:35:47,880 --> 00:35:51,040 baada ya mimi kuanza kusoma swali na unataka kupendekeza jibu. 713 00:35:51,040 --> 00:35:52,130 Mantiki? 714 00:35:52,130 --> 00:35:53,710 Sawa, hapa sisi kwenda. 715 00:35:53,710 --> 00:35:55,925 Jina kazi kutangazwa katika stdio.h. 716 00:35:55,925 --> 00:36:00,190 717 00:36:00,190 --> 00:36:01,050 Wafanyakazi. 718 00:36:01,050 --> 00:36:01,950 >> ABBY: Printf. 719 00:36:01,950 --> 00:36:04,550 >> DAVID J. Malan: Tuonyeshe printf. 720 00:36:04,550 --> 00:36:06,290 Nzuri sana. 721 00:36:06,290 --> 00:36:10,226 Hivyo tu kuandika 68, au kuweka wimbo katika akili yako ya 68. 722 00:36:10,226 --> 00:36:11,350 Sasa tunakwenda kusonga mbele. 723 00:36:11,350 --> 00:36:13,190 Haraka kama mimi nina kwenda kusoma swali tena, 724 00:36:13,190 --> 00:36:15,648 unaweza kuwa buzz katika mpaka baada ya Nimekuwa alirudia swali. 725 00:36:15,648 --> 00:36:17,250 Jina kazi kutangazwa katika stdio.h. 726 00:36:17,250 --> 00:36:20,100 727 00:36:20,100 --> 00:36:22,470 Sawa swali 728 00:36:22,470 --> 00:36:23,980 >> JAMES: sprintf ni nini. 729 00:36:23,980 --> 00:36:25,350 >> DAVID J. Malan: sprintf ni nini. 730 00:36:25,350 --> 00:36:28,130 731 00:36:28,130 --> 00:36:30,310 Tuonyeshe sprintf. 732 00:36:30,310 --> 00:36:33,060 Hapana, mimi itabidi kusoma tena. 733 00:36:33,060 --> 00:36:36,280 Kazi kutangazwa katika stdio.h. 734 00:36:36,280 --> 00:36:36,780 Wafanyakazi. 735 00:36:36,780 --> 00:36:37,799 >> TIM: scanf. 736 00:36:37,799 --> 00:36:39,090 DAVID J. Malan: scanf, tuonyeshe. 737 00:36:39,090 --> 00:36:41,650 738 00:36:41,650 --> 00:36:44,050 Mbili migomo. 739 00:36:44,050 --> 00:36:46,505 Kwa mara nyingine tena, kazi alitangaza katika stdio.h. 740 00:36:46,505 --> 00:36:50,380 741 00:36:50,380 --> 00:36:51,496 Wanafunzi. 742 00:36:51,496 --> 00:36:52,470 >> JAMES: fopen. 743 00:36:52,470 --> 00:36:57,400 >> DAVID J. Malan: fopen, nzuri sana. 744 00:36:57,400 --> 00:37:00,430 Mimi itabidi kuendelea kurudia swali, kazi kutangazwa katika stdio.h. 745 00:37:00,430 --> 00:37:03,480 746 00:37:03,480 --> 00:37:04,540 Wafanyakazi. 747 00:37:04,540 --> 00:37:05,270 >> TIM: Fclosed. 748 00:37:05,270 --> 00:37:07,910 >> DAVID J. Malan: Fclosed, kazi nzuri. 749 00:37:07,910 --> 00:37:12,010 Nzuri, tuna majibu mawili kushoto juu ya bodi, namba mbili na namba 5 750 00:37:12,010 --> 00:37:13,100 kwa ajili ya duru hii. 751 00:37:13,100 --> 00:37:16,460 Kazi kutangazwa katika stdio.h. 752 00:37:16,460 --> 00:37:18,250 Wanafunzi. 753 00:37:18,250 --> 00:37:19,210 >> KATHERINE: fread. 754 00:37:19,210 --> 00:37:21,804 >> DAVID J. Malan: Tuonyeshe fread. 755 00:37:21,804 --> 00:37:23,620 Nzuri sana. 756 00:37:23,620 --> 00:37:27,250 Yeyote now-- kwa namna yoyote timu majibu ya tano na ya mwisho jibu, 757 00:37:27,250 --> 00:37:28,680 anapata pointi zote. 758 00:37:28,680 --> 00:37:31,520 Hivyo unapaswa kuwa na kuongeza haya yote nambari up, na yeyote anapata hivyo, 759 00:37:31,520 --> 00:37:34,310 anapata kwamba jumla. 760 00:37:34,310 --> 00:37:35,870 Je, kuna kosa? 761 00:37:35,870 --> 00:37:37,035 Hakuna idadi sita. 762 00:37:37,035 --> 00:37:39,890 Hakuna idadi sita, unimplemented. 763 00:37:39,890 --> 00:37:43,330 Jina kazi alitangaza katika wafanyakazi stdio--. 764 00:37:43,330 --> 00:37:46,432 765 00:37:46,432 --> 00:37:47,520 >> TIM: Fright. 766 00:37:47,520 --> 00:37:48,811 >> DAVID J. Malan: Tuonyeshe hofu. 767 00:37:48,811 --> 00:37:51,440 768 00:37:51,440 --> 00:37:53,690 >> JACK: Hiyo inaeleza kiasi hicho. 769 00:37:53,690 --> 00:37:55,350 >> DAVID J. Malan: Hebu jaribu mara moja zaidi. 770 00:37:55,350 --> 00:37:59,210 Jina one-- jina kazi alitangaza katika stdio.h. 771 00:37:59,210 --> 00:38:00,220 Tim. 772 00:38:00,220 --> 00:38:00,830 >> TIM: Fseek. 773 00:38:00,830 --> 00:38:01,746 >> DAVID J. Malan: Fseek. 774 00:38:01,746 --> 00:38:04,350 775 00:38:04,350 --> 00:38:08,720 Kuhusu moja zaidi kujaribu, jina kazi alitangaza katika f-- katika stdio.h. 776 00:38:08,720 --> 00:38:12,011 777 00:38:12,011 --> 00:38:14,220 >> MARIA: fgetc. 778 00:38:14,220 --> 00:38:16,690 >> DAVID J. Malan: fgetc. 779 00:38:16,690 --> 00:38:18,270 Hivyo hakuna mtu anapata pointi. 780 00:38:18,270 --> 00:38:20,440 Colton, wanataka kuonyesha sisi idadi kile tano alikuwa? 781 00:38:20,440 --> 00:38:23,110 782 00:38:23,110 --> 00:38:24,735 OK, Matlock si katika stdio.h. 783 00:38:24,735 --> 00:38:28,586 784 00:38:28,586 --> 00:38:29,710 Jason Hirschhorn kila mtu. 785 00:38:29,710 --> 00:38:33,252 786 00:38:33,252 --> 00:38:35,210 Wote haki hebu kuendelea swali la pili. 787 00:38:35,210 --> 00:38:39,900 Mtu wa kwanza buzz katika hapa, kwa swali hili, mpango huo wewe 788 00:38:39,900 --> 00:38:42,560 kutumia wakati programu. 789 00:38:42,560 --> 00:38:43,473 Wafanyakazi. 790 00:38:43,473 --> 00:38:44,400 >> TIM: Clang. 791 00:38:44,400 --> 00:38:46,500 >> DAVID J. Malan: Clang. 792 00:38:46,500 --> 00:38:48,660 Nzuri sana, idadi jibu miwili. 793 00:38:48,660 --> 00:38:50,836 Tena, jina mpango kutumia wakati programu. 794 00:38:50,836 --> 00:38:53,980 795 00:38:53,980 --> 00:38:55,000 Wanafunzi. 796 00:38:55,000 --> 00:38:55,730 >> JAMES: GDB. 797 00:38:55,730 --> 00:38:56,563 >> DAVID J. Malan: GDB. 798 00:38:56,563 --> 00:38:59,060 799 00:38:59,060 --> 00:39:02,960 Hivyo katika hatua hii, 38 itakuwa jumla, lakini hakuna mtu wamezipata pointi yoyote. 800 00:39:02,960 --> 00:39:05,490 Haki wote, jina mpango kutumika wakati wa programu. 801 00:39:05,490 --> 00:39:08,030 802 00:39:08,030 --> 00:39:08,860 >> TIM: Valgrind. 803 00:39:08,860 --> 00:39:09,901 >> DAVID J. Malan: Valgrind. 804 00:39:09,901 --> 00:39:13,332 805 00:39:13,332 --> 00:39:17,790 Haki wote, jina mpango matumizi wakati programu. 806 00:39:17,790 --> 00:39:19,275 Wanafunzi. 807 00:39:19,275 --> 00:39:20,480 >> AARON: PHP. 808 00:39:20,480 --> 00:39:26,000 >> DAVID J. Malan: Jina PHP a Mpango matumizi wakati programu. 809 00:39:26,000 --> 00:39:27,147 Wafanyakazi. 810 00:39:27,147 --> 00:39:28,310 >> MARIA: Facebook. 811 00:39:28,310 --> 00:39:32,320 >> DAVID J. Malan: Show sisi, tuonyeshe Facebook. 812 00:39:32,320 --> 00:39:37,810 >> [Makofi] 813 00:39:37,810 --> 00:39:40,297 >> Tuna baadhi ya majibu sita juu juu ya bodi, tatu kwenda. 814 00:39:40,297 --> 00:39:42,005 Jina mpango kutumia wakati programu. 815 00:39:42,005 --> 00:39:45,650 816 00:39:45,650 --> 00:39:46,150 Wafanyakazi. 817 00:39:46,150 --> 00:39:47,310 >> TIM: Google. 818 00:39:47,310 --> 00:39:49,670 >> DAVID J. Malan: Google. 819 00:39:49,670 --> 00:39:51,470 Brow-- sawa. 820 00:39:51,470 --> 00:39:53,845 >> Watazamaji: Boo. 821 00:39:53,845 --> 00:39:56,220 >> DAVID J. Malan: Boo. 822 00:39:56,220 --> 00:39:57,990 Haki wote, name-- mbili majibu left-- jina 823 00:39:57,990 --> 00:40:00,316 Mpango matumizi wakati programu. 824 00:40:00,316 --> 00:40:01,832 >> MAYA: CS50 Diskutera. 825 00:40:01,832 --> 00:40:03,040 DAVID J. Malan: CS50 Diskutera. 826 00:40:03,040 --> 00:40:06,530 827 00:40:06,530 --> 00:40:08,950 Moja zaidi kujaribu, mpango matumizi wakati programu. 828 00:40:08,950 --> 00:40:13,510 829 00:40:13,510 --> 00:40:15,050 Nilisikia wanafunzi. 830 00:40:15,050 --> 00:40:15,840 Wanafunzi. 831 00:40:15,840 --> 00:40:16,799 >> AARON: CS50 IDE. 832 00:40:16,799 --> 00:40:17,840 DAVID J. Malan: CS50 IDE. 833 00:40:17,840 --> 00:40:22,080 834 00:40:22,080 --> 00:40:24,290 Na mwisho mmoja, mpango matumizi wakati programu. 835 00:40:24,290 --> 00:40:27,030 836 00:40:27,030 --> 00:40:28,140 >> TIM: Check50. 837 00:40:28,140 --> 00:40:30,710 >> DAVID J. Malan: Check50. 838 00:40:30,710 --> 00:40:32,090 Nope, hebu yatangaza jibu. 839 00:40:32,090 --> 00:40:35,645 Idadi sita alikuwa Spotify. 840 00:40:35,645 --> 00:40:39,670 Haki wote, nadhani tuna muda kwa ajili ya mmoja tu au wawili. 841 00:40:39,670 --> 00:40:44,300 Kukamilisha sentensi ifuatayo, hakuna pointi kwa ama timu bado. 842 00:40:44,300 --> 00:40:50,270 Ni zero na sifuri, mshindi kuchukua yote hivi karibuni, kazi nzuri. 843 00:40:50,270 --> 00:40:56,830 Kukamilisha sentensi ifuatayo, Mimi kamwe gonna-- Wafanyakazi. 844 00:40:56,830 --> 00:40:58,230 >> TIM: Kutoa wewe. 845 00:40:58,230 --> 00:41:00,650 >> DAVID J. Malan: Kutoa wewe. 846 00:41:00,650 --> 00:41:02,330 Nzuri. 847 00:41:02,330 --> 00:41:03,974 Wanafunzi. 848 00:41:03,974 --> 00:41:04,890 >> JAMES: Hebu wewe chini. 849 00:41:04,890 --> 00:41:06,098 >> DAVID J. Malan: Hebu wewe chini. 850 00:41:06,098 --> 00:41:08,650 851 00:41:08,650 --> 00:41:09,735 Sijawahi gonna- 852 00:41:09,735 --> 00:41:11,110 MARIA: kukimbia kuzunguka na jangwa wewe. 853 00:41:11,110 --> 00:41:14,470 DAVID J. Malan: kukimbia karibu na jangwa wewe. 854 00:41:14,470 --> 00:41:17,720 Kukimbia kuzunguka jangwa, sawa. 855 00:41:17,720 --> 00:41:18,880 Wanafunzi. 856 00:41:18,880 --> 00:41:20,380 >> AARON: Kamwe gonna kufanya wewe kilio. 857 00:41:20,380 --> 00:41:21,588 >> DAVID J. Malan: Matokeo kilio. 858 00:41:21,588 --> 00:41:24,841 859 00:41:24,841 --> 00:41:25,340 Wafanyakazi. 860 00:41:25,340 --> 00:41:26,100 >> TIM: Sema kwaheri. 861 00:41:26,100 --> 00:41:29,350 >> DAVID J. Malan: Siwezi kuamini hii ni swali nyote ni kupata haki. 862 00:41:29,350 --> 00:41:31,750 863 00:41:31,750 --> 00:41:35,220 Kusema kwaheri, yup, na moja ya mwisho. 864 00:41:35,220 --> 00:41:35,910 Wanafunzi. 865 00:41:35,910 --> 00:41:37,490 >> KATHERINE: Hurt wewe. 866 00:41:37,490 --> 00:41:40,998 >> DAVID J. Malan: Mwambie uongo na kukuumiza. 867 00:41:40,998 --> 00:41:42,914 Wanafunzi kupata pointi 100. 868 00:41:42,914 --> 00:41:45,790 869 00:41:45,790 --> 00:41:52,286 Hiyo ni why-- kwamba ni kwa CS50, keki sasa ni kutumikia. 870 00:41:52,286 --> 00:41:55,709 >> [Seinfeld THEME MANENO] 871 00:41:55,709 --> 00:41:59,132 >> [Music kucheza] 872 00:41:59,132 --> 00:42:07,290 873 00:42:07,290 --> 00:42:08,540 DAN ARMINDARIZ: Je, wewe mambo? 874 00:42:08,540 --> 00:42:09,340 Je, unafikiri unafanya? 875 00:42:09,340 --> 00:42:10,980 >> SPIKA 6: Mimi kujaribu kupata katika lifti. 876 00:42:10,980 --> 00:42:11,870 >> DAN ARMINDARIZ: Nini ni wewe kuzungumza juu? 877 00:42:11,870 --> 00:42:12,640 Hakuwa na kuniona kusubiri hapa? 878 00:42:12,640 --> 00:42:14,700 >> SPIKA 6: Sikuona kusubiri mtu. 879 00:42:14,700 --> 00:42:16,280 >> DAN ARMINDARIZ: Kama hakufanya hivyo kuniona kusubiri, basi why'd wewe 880 00:42:16,280 --> 00:42:17,404 kuweka gari yako katika kama hayo? 881 00:42:17,404 --> 00:42:19,820 SPIKA 6: Kwa sababu hiyo ni jinsi mimi kupata katika lifti. 882 00:42:19,820 --> 00:42:20,945 >> DAN ARMINDARIZ: [inaudible] 883 00:42:20,945 --> 00:42:22,820 884 00:42:22,820 --> 00:42:25,706 >> SPIKA 6: Kupata out-- basi kwenda! 885 00:42:25,706 --> 00:42:26,206