1
00:00:00,000 --> 00:00:05,950

2
00:00:05,950 --> 00:00:09,310
>> HOPARL脰R: Ba艧qa bir dan谋艧aq
Hypertext Transfer Protokolu

3
00:00:09,310 --> 00:00:12,060
Protokol, v蓹 ya HTTP.

4
00:00:12,060 --> 00:00:15,074
Bel蓹likl蓹, biz IP haqq谋nda s枚hb蓹t etdik
蓹vv蓹lki video TCP.

5
00:00:15,074 --> 00:00:17,240
V蓹 bu protokollar
nec蓹 m蓹lumat dikt蓹 ki,

6
00:00:17,240 --> 00:00:20,970
Ma艧谋n ma艧谋n h蓹r蓹k蓹t v蓹
proqram proqram v蓹 ya xidm蓹t

7
00:00:20,970 --> 00:00:27,720
vasit蓹sil蓹 internet vasit蓹sil蓹 xidm蓹t
mar艧rutla艧d谋r谋c谋lar谋 v蓹 ma艧谋n bu 艧蓹b蓹k蓹.

8
00:00:27,720 --> 00:00:30,640
>> Amma ki, ad蓹t蓹n deyil
sa臒 b眉t眉n 艧蓹kil?

9
00:00:30,640 --> 00:00:33,530
Ad蓹t蓹n biz g枚nd蓹rm蓹k
m蓹lumat proqram谋

10
00:00:33,530 --> 00:00:36,570
枚z眉 data
M蓹s蓹l蓹n, dem蓹k, q蓹bul

11
00:00:36,570 --> 00:00:44,270
TCP port 25 v蓹 ya bir e-po莽t vasit蓹sil蓹
port 80 vasit蓹sil蓹 web page sor臒u,

12
00:00:44,270 --> 00:00:48,220
orada qaydalar谋 sistem ad蓹t蓹n var
M蓹n yaln谋z ald谋臒谋n谋z n蓹 emal.

13
00:00:48,220 --> 00:00:51,960
V蓹 HTTP bir n眉mun蓹sidir
yaln谋z bel蓹 bir protokol.

14
00:00:51,960 --> 00:00:54,929
>> HTTP yaln谋z
proqram qat protokol

15
00:00:54,929 --> 00:00:56,220
ki, biz haqq谋nda dan谋艧maq olacaq.

16
00:00:56,220 --> 00:00:59,660
Lakin ba艧qa bir set
nec蓹 dikt蓹 qaydalar谋

17
00:00:59,660 --> 00:01:02,790
m蓹lumat 枚t眉r眉l蓹n edir
v蓹 internet vasit蓹sil蓹 emal.

18
00:01:02,790 --> 00:01:06,390
X眉susil蓹, HTTP
d蓹qiq nec蓹 m眉蓹yy蓹n

19
00:01:06,390 --> 00:01:11,300
bir 眉莽眉n sor臒u etm蓹k laz谋md谋r
bir web s蓹hif蓹 v蓹 d蓹qiq nec蓹

20
00:01:11,300 --> 00:01:15,160
bir server, bir ma艧谋n
ki, web pages ke莽irilib

21
00:01:15,160 --> 00:01:17,840
ki, m蓹lumat verir
m眉艧t蓹ril蓹r蓹 geri.

22
00:01:17,840 --> 00:01:20,010
>> Bel蓹 ki, bu protokol deyil
h蓹qiq蓹t蓹n he莽 bir 艧ey var

23
00:01:20,010 --> 00:01:22,270
nec蓹 m蓹lumat il蓹
bax谋m谋ndan h蓹r蓹k蓹t

24
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point B. Bu, h蓹qiq蓹t蓹n var
qaydalar谋 sistemi

25
00:01:26,090 --> 00:01:29,700
baxan m媒s媒n 蓹sas蓹n qaydalar谋 var
bir web s蓹hif蓹 il蓹 i艧 ni艧an,

26
00:01:29,700 --> 00:01:31,960
zaman kims蓹 b蓹nz蓹r
siz蓹 dal臒alar谋 枚z 蓹l,

27
00:01:31,960 --> 00:01:33,410
geri dal臒a ehtimal edirik.

28
00:01:33,410 --> 00:01:36,280
Ki, bir sort var
艧蓹rti insan Protokol.

29
00:01:36,280 --> 00:01:39,610
HTTP protokolu yaln谋z 蓹g蓹r deyir
Bir web t蓹l蓹b etm蓹k ist蓹yirsinizs蓹,

30
00:01:39,610 --> 00:01:42,730
s蓹hif蓹 Sizin format g枚r眉n眉r etm蓹k
kimi bi莽imlendirme 艧eyl蓹rdir n枚v kimi

31
00:01:42,730 --> 00:01:44,930
M蓹s蓹l蓹n, bir i艧 m蓹ktub.

32
00:01:44,930 --> 00:01:50,029
V蓹 cavab eyni olacaq
Bu protokola g枚r蓹 g蓹lir.

33
00:01:50,029 --> 00:01:51,820
Dig蓹r var
proqram qat protokol

34
00:01:51,820 --> 00:01:53,380
biz fikrind蓹 deyilik ki,
video haqq谋nda dan谋艧maq.

35
00:01:53,380 --> 00:01:55,790
Lakin bu kimi 艧eyl蓹r daxildir
File Transfer Protocol,

36
00:01:55,790 --> 00:01:59,200
Sad蓹 Mail Transfer Protocol
e-po莽t g枚nd蓹rm蓹k, Data Distribution

37
00:01:59,200 --> 00:02:02,100
Service, Remote Desktop
Protokol, RDP olan

38
00:02:02,100 --> 00:02:05,590
Siz uzaqdan daxil olmaq ist蓹yirsinizs蓹 istifad蓹 olunur
ba艧qa bir bilgisayardan komp眉ter,

39
00:02:05,590 --> 00:02:08,479
Tez-tez XMPP,
Jabber v蓹 ya chat kimi tan谋nan,

40
00:02:08,479 --> 00:02:11,160
bu protokoldur
chat xidm蓹tl蓹rind蓹n istifad蓹 眉莽眉n.

41
00:02:11,160 --> 00:02:13,310
V蓹 bir 莽ox, bir 莽ox ba艧qalar谋 var.

42
00:02:13,310 --> 00:02:15,900
>> Istifad蓹 etdiyiniz Bel蓹 ki, h蓹r d蓹f蓹
xidm蓹t, xidm蓹t

43
00:02:15,900 --> 00:02:18,930
m蓹lumat g枚zl蓹yir
sor臒u received-- etm蓹k

44
00:02:18,930 --> 00:02:21,010
Bir received-- olmaq
莽ox x眉susi format

45
00:02:21,010 --> 00:02:24,070
v蓹 t蓹l蓹b olunur
geri qay谋tmaq m蓹lumat

46
00:02:24,070 --> 00:02:27,190
bir 莽ox x眉susi format h蓹m d蓹.

47
00:02:27,190 --> 00:02:31,750
>> Bel蓹 ki, bizim ill眉strasiya qay谋daq
Biz蓹 internet dan谋艧maq ist蓹y蓹n.

48
00:02:31,750 --> 00:02:34,810
Bel蓹likl蓹, biz xo艧b蓹xt ist蓹yirik, v蓹 biz ist蓹yirik
sa臒, cats.com getm蓹k?

49
00:02:34,810 --> 00:02:38,550
Bel蓹 ki, biz yaln谋z cats.com s枚hb蓹t edirsinizs蓹,
Biz hey bir 艧ey kimi dem蓹k olar ki,

50
00:02:38,550 --> 00:02:39,720
M蓹n sizin ana s蓹hif蓹 bil蓹rsiniz?

51
00:02:39,720 --> 00:02:42,320
V蓹 cats.com y蓹qin ki, olacaq
B蓹li, 蓹min cavab.

52
00:02:42,320 --> 00:02:43,440
Buyurunuz.

53
00:02:43,440 --> 00:02:46,440
Bel蓹 ki, bir insan sort var
xahi艧 v蓹 cavab.

54
00:02:46,440 --> 00:02:47,980
>> Ki, HTTP n蓹 kimi g枚r眉n眉r?

55
00:02:47,980 --> 00:02:51,340
B蓹li, bu h蓹qiq蓹t蓹n c眉r t蓹rc眉m蓹
olduqca cleanly bu kimi bir 艧ey 眉莽眉n.

56
00:02:51,340 --> 00:02:57,290
Biz GET / HTTP / 1.1 dey蓹 bil蓹r
host cats.com olan.

57
00:02:57,290 --> 00:03:03,039
Bel蓹 ki, 蓹sas蓹n n蓹 m蓹n burada edir蓹m deyil
web page www.cats.com/ 眉莽眉n xahi艧.

58
00:03:03,039 --> 00:03:05,330
Biz ad蓹t蓹n 莽izgi buraxmaq
indiki vaxtda, lakin ki, yaln谋z

59
00:03:05,330 --> 00:03:07,200
cats.com ana dem蓹kdir.

60
00:03:07,200 --> 00:03:11,910
>> Oh, v蓹 yolu il蓹, m蓹n gedir蓹m
HTTP versiyas谋ndan istifad蓹

61
00:03:11,910 --> 00:03:14,182
1.1 sizinl蓹 眉nsiyy蓹t.

62
00:03:14,182 --> 00:03:16,390
Ki, sort analoji var
yolu il蓹, kimi s枚yl蓹y蓹r蓹k,

63
00:03:16,390 --> 00:03:17,870
M蓹n 莽谋x谋艧 gedir蓹m
Frans谋z, v蓹 ya yolu il蓹,

64
00:03:17,870 --> 00:03:19,370
陌ngilis dili dan谋艧an olacaq edir蓹m.

65
00:03:19,370 --> 00:03:22,160
Bu protokol yaln谋z format var.

66
00:03:22,160 --> 00:03:25,050
Bu olan da 1.0 deyil
莽ox art谋q istifad蓹 olunmur.

67
00:03:25,050 --> 00:03:30,615
Bel蓹 ki, HTTP 1.1 dan谋艧an al谋ram
M蓹n www.cats.com/ ist蓹yir蓹m.

68
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M蓹nim 眉莽眉n almaq edin.

69
00:03:31,710 --> 00:03:34,610
>> V蓹 sonra dig蓹r m蓹lumatlar var
n枚qt蓹, n枚qt蓹 too--, orada n枚qt蓹

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00:03:34,610 --> 00:03:38,234
olan informasiya haqq谋nda
bel蓹 olan cats.com

71
00:03:38,234 --> 00:03:39,400
harada g枚nd蓹rm蓹k 眉莽眉n bilm蓹k olard谋.

72
00:03:39,400 --> 00:03:41,480
Lakin bu iki
kritik par莽alar谋 sort

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00:03:41,480 --> 00:03:44,000
ibtidada
bir HTTP request--

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00:03:44,000 --> 00:03:46,770
yaln谋z bir ba艧lamaq zaman kimi
Siz dem蓹k m蓹ktub, 蓹ziz, bo艧.

75
00:03:46,770 --> 00:03:49,710
Bu ki, ruhunda 莽ox ox艧ard谋r.

76
00:03:49,710 --> 00:03:52,370
>> V蓹 cats.com gedir
oh, 蓹min, burada getm蓹k, deyirl蓹r.

77
00:03:52,370 --> 00:03:55,590
Onlar kimi cavab bil蓹r
艧eyl蓹rdir M蓹n d蓹 cavab al谋ram.

78
00:03:55,590 --> 00:03:57,960
M蓹n d蓹 HTTP 1.1 dan谋艧maq.

79
00:03:57,960 --> 00:04:01,720
Sizin sor臒u, 200 OK t蓹sdiq edilir.

80
00:04:01,720 --> 00:04:04,709
N蓹 眉zr蓹yik
almaq sonra HTML v蓹

81
00:04:04,709 --> 00:04:06,250
n枚qt蓹, n枚qt蓹, b蓹zi 蓹lav蓹 m蓹lumatlar谋 n枚qt蓹.

82
00:04:06,250 --> 00:04:10,620
V蓹 莽ox alt
t蓹l蓹b h蓹qiq蓹t蓹n HTML,

83
00:04:10,620 --> 00:04:16,339
bi莽imlendirme dili,
cats.com ana m蓹zmunu.

84
00:04:16,339 --> 00:04:21,227
>> Bel蓹 ki, HTTP / 1.1-- i etiraf
sor臒u HTTP 1.1 vasit蓹sil蓹 q蓹bul edildi.

85
00:04:21,227 --> 00:04:22,310
Sizin sor臒u t蓹sdiq edilmi艧dir.

86
00:04:22,310 --> 00:04:25,810
M蓹n ist蓹diyiniz n蓹 200 OK ver蓹 bil蓹r.

87
00:04:25,810 --> 00:04:27,440
HTML almaq 眉zr蓹yik.

88
00:04:27,440 --> 00:04:30,450
V蓹 sonra burada
Siz t蓹l蓹b HTML.

89
00:04:30,450 --> 00:04:33,930
>> Amma b蓹z蓹n bizim sor臒u yoxdur
h蓹mi艧蓹 olduqca plan谋na uy臒un olaraq gedin.

90
00:04:33,930 --> 00:04:37,100
M蓹n sizin cats.html s蓹hif蓹ni g枚rm蓹k ed蓹 bil蓹r蓹mmi?

91
00:04:37,100 --> 00:04:40,366
B蓹li, onlar biz n蓹 des蓹k
bir cats.html s蓹hif蓹 yoxdur,

92
00:04:40,366 --> 00:04:42,740
hans谋 n枚v real g枚r眉n眉r
onlar cats.com ist蓹yirik, 莽眉nki.

93
00:04:42,740 --> 00:04:44,400
Siz onlar cats.html olard谋 edir蓹m ediyorum.

94
00:04:44,400 --> 00:04:45,420
Lakin OK.

95
00:04:45,420 --> 00:04:48,484
Bel蓹 ki, bu sort
艧蓹rti insan qar艧谋l谋ql谋

96
00:04:48,484 --> 00:04:49,650
indi cats.com il蓹 ya艧ad谋m.

97
00:04:49,650 --> 00:04:51,060
Nec蓹 t蓹rc眉m蓹 edir?

98
00:04:51,060 --> 00:04:52,726
>> Bu siz蓹 tan谋艧 bir 艧ey ola bil蓹r.

99
00:04:52,726 --> 00:04:55,690
Bizim ist蓹yimiz, eyni baxd谋
蓹v蓹zin蓹 蓹ld蓹 莽izgi ba艧qa

100
00:04:55,690 --> 00:04:58,110
biz indi cats.html 蓹ld蓹 edirik.

101
00:04:58,110 --> 00:05:01,810
茝sas蓹n Bel蓹 ki, indi n蓹 b眉t眉n bu
sor臒u m蓹n蓹 verin ki, deyib

102
00:05:01,810 --> 00:05:05,620
www.cats.com/cats.html.

103
00:05:05,620 --> 00:05:08,700
Ana v蓹 orta So
ki, top x蓹ttinin bir hiss蓹sidir

104
00:05:08,700 --> 00:05:14,632
d蓹qiq orada g枚st蓹rir
n蓹 s蓹hif蓹 m蓹n xahi艧 edir蓹m.

105
00:05:14,632 --> 00:05:17,590
Lakin bu halda cats.com niyy蓹tind蓹 deyil
m眉sb蓹t cavab etm蓹k 眉莽眉n.

106
00:05:17,590 --> 00:05:19,089
Onlar s枚hb蓹t etdiyiniz bilmir蓹m.

107
00:05:19,089 --> 00:05:25,170
V蓹 bu siz ola bil蓹r bir 艧eydir
g枚r眉ld眉, 蓹vv蓹l HTTP 1.1 404 Not Found.

108
00:05:25,170 --> 00:05:27,180
M蓹n n蓹 tapa bilm蓹di
Sizin 眉莽眉n xahi艧 edilmi艧dir.

109
00:05:27,180 --> 00:05:30,460
Yeri g蓹lmi艧k蓹n, m蓹n siz蓹 verm蓹k gedir蓹m
geri bir HTML v蓹 ad蓹t蓹n HTML ki,

110
00:05:30,460 --> 00:05:32,351
B蓹zi 404 s蓹hif蓹 content edir.

111
00:05:32,351 --> 00:05:34,100
V蓹 halda
cats.com, bu y蓹qin ki, var

112
00:05:34,100 --> 00:05:37,720
bir s蓹b蓹t il蓹 bir cute pi艧ik
k蓹d蓹rli 404 眉z onlar谋n yan谋nda,

113
00:05:37,720 --> 00:05:40,920
Siz olacaq, 莽眉nki
K蓹d蓹rli Siz s蓹hif蓹 almaq deyil zaman

114
00:05:40,920 --> 00:05:43,040
ki, arad谋臒谋n谋z.

115
00:05:43,040 --> 00:05:48,520
>> Bu n蓹 蓹saslar谋 n枚v眉 var
protokol, HTTP protokolu sor臒u

116
00:05:48,520 --> 00:05:49,180
ox艧amaq.

117
00:05:49,180 --> 00:05:52,640
Onlar biz h蓹qiq蓹t蓹n ox艧ar ist蓹yirik
ox艧ar qar艧谋l谋ql谋 ed蓹c蓹k

118
00:05:52,640 --> 00:05:55,460
yaln谋z insan konvensiyalarda
bir 艧ey 眉莽眉n xahi艧

119
00:05:55,460 --> 00:05:58,250
v蓹 geri almaq v蓹 ya yaz谋l谋
m蓹ktub v蓹 cavab g枚zl蓹yirik

120
00:05:58,250 --> 00:06:00,380
x眉susi formatda m蓹ktubu.

121
00:06:00,380 --> 00:06:03,910
Olduqca 莽ox n蓹
HTTP yaln谋z STANDART hala g蓹tirilir ki,

122
00:06:03,910 --> 00:06:10,190
daxil olmaq ist蓹diyiniz b眉t眉n cihazlar 眉莽眉n
web pages, m蓹tn k枚莽眉rm蓹l蓹ri.

123
00:06:10,190 --> 00:06:15,110
>> Bel蓹 ki, forma x蓹tti, bu
metodu t蓹l蓹b h蓹d蓹f HTTP versiyas谋

124
00:06:15,110 --> 00:06:17,100
bir HTTP sor臒u x蓹tti adlan谋r.

125
00:06:17,100 --> 00:06:23,740
Bu ad蓹t蓹n ilk 艧ey
bir HTTP sor臒u hiss蓹si kimi 枚t眉r眉l蓹n

126
00:06:23,740 --> 00:06:26,180
v蓹 ya HTTP 眉莽眉n xahi艧 edirik, 蓹g蓹r.

127
00:06:26,180 --> 00:06:29,970
Dediyim kimi bu c眉r dey蓹r蓹k, kimi
蓹ziz, 眉st m蓹ktub bo艧.

128
00:06:29,970 --> 00:06:32,880
Onlar oldu臒unu bilirik
onlara m蓹ktub yazmaq.

129
00:06:32,880 --> 00:06:34,796
Bel蓹 ki, bu 莽ox ox艧ard谋r
dey蓹r蓹k, m蓹n bilir蓹m

130
00:06:34,796 --> 00:06:37,670
onlar HTTP xahi艧 edirik ki,
v蓹 bu format

131
00:06:37,670 --> 00:06:39,090
onlar 眉莽眉n xahi艧 edirik.

132
00:06:39,090 --> 00:06:43,810
>> HTTP version y蓹qin ki,
h蓹mi艧蓹 HTTP / 1/1 olacaq.

133
00:06:43,810 --> 00:06:46,670
1.0 d蓹 m枚vcuddur, lakin deyil
h蓹qiq蓹t蓹n art谋q istifad蓹 olunur.

134
00:06:46,670 --> 00:06:49,200
CS50 m蓹qs蓹dl蓹ri 眉莽眉n,
GET h蓹mi艧蓹 y蓹qin ki,

135
00:06:49,200 --> 00:06:51,540
n蓹 olacaq
Siz, h蓹qiq蓹t蓹n, oldu臒unuzda istifad蓹

136
00:06:51,540 --> 00:06:54,250
birba艧a HTTP istekleri edilm蓹si.

137
00:06:54,250 --> 00:06:57,720
Amma POST biz ist蓹yirik ba艧qa bir se莽im deyil
陌ndi haqq谋nda dan谋艧maq niyy蓹tind蓹 deyil.

138
00:06:57,720 --> 00:07:02,980
V蓹 sonra t蓹l蓹b-h蓹d蓹f
ana server n蓹 s蓹hif蓹

139
00:07:02,980 --> 00:07:05,812
Siz almaq ist蓹yir蓹m.

140
00:07:05,812 --> 00:07:08,020
Dediyim kimi, host ad谋
ayr谋 line ad蓹t蓹n var

141
00:07:08,020 --> 00:07:10,350
眉mumi sor臒unun ikinci x蓹tt.

142
00:07:10,350 --> 00:07:13,660
Bel蓹 ki, birlikd蓹 ev sahibliyi q蓹bul
ad谋 v蓹 sor臒u h蓹d蓹f

143
00:07:13,660 --> 00:07:16,070
x眉susi m眉蓹yy蓹n
resurs axtar谋l谋r.

144
00:07:16,070 --> 00:07:20,986
M蓹n ikinci 蓹vv蓹l 404 n眉mun蓹
www.cats.com yenid蓹n xahi艧 edilmi艧dir,

145
00:07:20,986 --> 00:07:22,940
cats.com host olan.

146
00:07:22,940 --> 00:07:26,300
V蓹 m蓹nim t蓹l蓹bi istiqam蓹tind蓹,
M蓹n /cats.html bildirib.

147
00:07:26,300 --> 00:07:27,790
Bu m蓹nim t蓹l蓹bi h蓹d蓹fi oldu.

148
00:07:27,790 --> 00:07:31,200
Bel蓹 ki, 眉mumi M蓹n xahi艧
m蓹zmunu v蓹 ya yerl蓹艧蓹n resurs

149
00:07:31,200 --> 00:07:36,410
www.cats.com/cats.html at.

150
00:07:36,410 --> 00:07:38,870
>> V蓹 sonra olub 蓹sas谋nda
resurs m枚vcuddur

151
00:07:38,870 --> 00:07:42,160
v蓹 server t蓹min ed蓹 bil蓹r olub
m眉艧t蓹ri uy臒un olaraq resurs

152
00:07:42,160 --> 00:07:46,760
t蓹l蓹b, siz almaq bil蓹r
geri m眉xt蓹lif d枚vl蓹t kodlar谋.

153
00:07:46,760 --> 00:07:50,280
Siz g枚rd眉m bu status kodlar谋 b蓹zil蓹ri
Onlar cavab hiss蓹si etdiyiniz, 莽眉nki.

154
00:07:50,280 --> 00:07:53,580
B蓹zil蓹ri, 200 OK var
y蓹qin ki, olduqca s蓹ssiz.

155
00:07:53,580 --> 00:07:55,650
Siz y蓹qin ki, g枚rm蓹mi艧蓹m
bir s蓹hif蓹 200 OK cavab.

156
00:07:55,650 --> 00:07:56,890
Siz yaln谋z s蓹hif蓹 almaq.

157
00:07:56,890 --> 00:08:01,260
Bu 404 s蓹hv kimi deyil,
ad蓹t蓹n olduqca ayd谋nd谋r.

158
00:08:01,260 --> 00:08:03,850
Siz ad蓹t蓹n 404 deyir ki, g枚r蓹c蓹ksiniz.

159
00:08:03,850 --> 00:08:06,880
>> Bel蓹 ki, n蓹 bir haqq谋nda dan谋艧maq ed蓹k
h蓹min status kodlar谋 ola bil蓹r.

160
00:08:06,880 --> 00:08:09,660
Yen蓹 zaman server
biz蓹 cavab, onlar

161
00:08:09,660 --> 00:08:12,120
HTTP version statusu cavab gedir.

162
00:08:12,120 --> 00:08:14,020
Ad蓹t蓹n HTTP / 1.1.

163
00:08:14,020 --> 00:08:17,410
Olacaq bu d枚vl蓹t kodlar谋 hans谋lard谋r?

164
00:08:17,410 --> 00:08:18,890
B蓹li, biz bir u臒ur 蓹ld蓹 ed蓹 bil蓹r.

165
00:08:18,890 --> 00:08:23,617
U臒ur kateqoriya Bel蓹 ki, biz
m蓹tn OK il蓹 kodu 200 蓹ld蓹 ed蓹 bil蓹r.

166
00:08:23,617 --> 00:08:24,450
Bu n蓹 dem蓹kdir?

167
00:08:24,450 --> 00:08:25,491
Yax艧谋, h蓹r 艧ey yax艧谋d谋r.

168
00:08:25,491 --> 00:08:26,721
Cari sor臒u etdik.

169
00:08:26,721 --> 00:08:27,720
Burada cari cavab var.

170
00:08:27,720 --> 00:08:30,060
M蓹n 莽atd谋rmaq bacard谋
tam olaraq n蓹 ist蓹diyini.

171
00:08:30,060 --> 00:08:33,080
>> B蓹z蓹n ba艧qa 艧eyl蓹r 蓹ld蓹 ed蓹 bil蓹r
Hemen qeyd ed蓹c蓹k ki,

172
00:08:33,080 --> 00:08:35,140
lakin bir q蓹d蓹r u臒ursuzluqlar var.

173
00:08:35,140 --> 00:08:36,422
Onlar adl谋 redirections ist蓹yirik.

174
00:08:36,422 --> 00:08:37,630
Burada iki 眉mumi olanlar谋 var.

175
00:08:37,630 --> 00:08:41,520
301 da艧谋nd谋 Permanently--
n蓹 bu 蓹sas蓹n dem蓹kdir

176
00:08:41,520 --> 00:08:43,559
s蓹hif蓹 yeni bir yer indi var.

177
00:08:43,559 --> 00:08:44,920
Bu 蓹b蓹di ya艧ayacaqd谋r.

178
00:08:44,920 --> 00:08:47,150
V蓹 蓹n brauzerl蓹r olacaq
avtomatik y枚nlendirme.

179
00:08:47,150 --> 00:08:49,860
Bel蓹likl蓹, siz h蓹qiq蓹t蓹n g枚rm蓹k he莽 vaxt laz谋md谋r
ya 301, siz de臒ilseniz

180
00:08:49,860 --> 00:08:52,210
h蓹qiq蓹t蓹n out-of-tarixi istifad蓹
browser, b蓹lk蓹,

181
00:08:52,210 --> 00:08:57,660
301 cavab hiss蓹sidir, 莽眉nki
n枚qt蓹, n枚qt蓹, 301 cavab dot.

182
00:08:57,660 --> 00:08:59,577
Yeni s蓹hif蓹 oldu臒u bu da size deyir.

183
00:08:59,577 --> 00:09:01,660
V蓹 bel蓹 ki, 蓹n brauzerl蓹r olacaq
yaln谋z orada sizi y枚nlendirme,

184
00:09:01,660 --> 00:09:03,570
Siz orada getm蓹k ist蓹yir蓹m ki, f蓹rz.

185
00:09:03,570 --> 00:09:05,440
>> B蓹z蓹n d蓹 302 a艧kar almaq laz谋md谋r.

186
00:09:05,440 --> 00:09:07,850
V蓹 bu h蓹qiq蓹t蓹n
h蓹l蓹 b蓹z蓹n g枚r蓹 bil蓹rsiniz.

187
00:09:07,850 --> 00:09:09,720
B蓹z蓹n pages m眉v蓹qq蓹ti h蓹r蓹k蓹t.

188
00:09:09,720 --> 00:09:13,570
Bel蓹 ki, daxil olacaq deyil
brauzer izah t蓹l蓹bi

189
00:09:13,570 --> 00:09:16,740
daimi ist蓹nil蓹n vaxt d蓹yi艧dirm蓹k 眉莽眉n
Bu sor臒u g枚r眉r ki,

190
00:09:16,740 --> 00:09:18,255
ba艧qa bir 艧ey d蓹yi艧dirm蓹k etm蓹k.

191
00:09:18,255 --> 00:09:21,210
Bel蓹 ki, 302 g枚r蓹 bil蓹rsiniz
Olan 蓹sas蓹n, tap谋ld谋

192
00:09:21,210 --> 00:09:22,710
Bu s蓹hif蓹ni ba艧qa bir yerd蓹 ya艧ay谋r deyir.

193
00:09:22,710 --> 00:09:24,418
Amma bu niyy蓹tind蓹 deyil
蓹b蓹di ya艧ay谋r.

194
00:09:24,418 --> 00:09:29,052
Bu n蓹tic蓹d蓹 y蓹qin ki, getm蓹k olacaq
geri siz hesab oldu臒u 眉莽眉n.

195
00:09:29,052 --> 00:09:31,780
>> Sonra 艧eyi almaq laz谋md谋r
m眉艧t蓹ri s蓹hvl蓹r kimi.

196
00:09:31,780 --> 00:09:34,012
Bel蓹 ki, bu etdik olanlard谋r
y蓹qin ki, indi g枚r眉ld眉.

197
00:09:34,012 --> 00:09:35,970
Siz y蓹qin ki, g枚rm蓹dim
200s v蓹 ya 300s,

198
00:09:35,970 --> 00:09:37,370
ancaq y蓹qin edirik
400s il蓹 tan谋艧.

199
00:09:37,370 --> 00:09:40,130
V蓹 biz dan谋艧maq laz谋md谋r n蓹
ikinci haqq谋nda, 500s h蓹m莽inin.

200
00:09:40,130 --> 00:09:42,580
>> Siz 401 icaz蓹siz g枚r蓹 bil蓹rsiniz.

201
00:09:42,580 --> 00:09:45,100
Ad蓹t蓹n bu ist蓹yirik dem蓹kdir
bir s蓹hif蓹 daxil olmaq 眉莽眉n 莽al谋艧谋r,

202
00:09:45,100 --> 00:09:46,230
ancaq daxil olmam谋s谋n谋z.

203
00:09:46,230 --> 00:09:50,500
Bel蓹 ki, c蓹hd v蓹 b蓹zi getm蓹k
profil v蓹 ya Facebook bir 艧ey

204
00:09:50,500 --> 00:09:53,106
v蓹 ya c蓹hd v蓹 giri艧
some-- i艧 ist蓹yirik.

205
00:09:53,106 --> 00:09:56,619
Siz bir 艧ey daxil olmaq 眉莽眉n 莽al谋艧谋r谋q
Sizin 蓹s蓹rin internet,

206
00:09:56,619 --> 00:09:57,660
ancaq daxil deyilik.

207
00:09:57,660 --> 00:09:58,740
Siz s蓹hif蓹 g枚rm蓹k bilm蓹z.

208
00:09:58,740 --> 00:10:01,770
Siz 401 icaz蓹siz 蓹ld蓹 ed蓹 bil蓹r,
olan biz y蓹qin ki, dem蓹kdir

209
00:10:01,770 --> 00:10:06,590
bu t蓹l蓹bi t蓹min ed蓹 bil蓹c蓹kl蓹r,
lakin ilk siz bunu daxil etm蓹k laz谋md谋r.

210
00:10:06,590 --> 00:10:09,590
>> 茝ksin蓹, siz 403 蓹ld蓹 ed蓹 bil蓹r
Bu, h蓹qiq蓹t蓹n deyil olan, Forbidden

211
00:10:09,590 --> 00:10:11,490
Siz daxil v蓹 ya deyilik 蓹g蓹r m蓹s蓹l蓹.

212
00:10:11,490 --> 00:10:13,020
Bu ist蓹k icaz蓹 verilmir.

213
00:10:13,020 --> 00:10:15,320
resurs server m枚vcuddur.

214
00:10:15,320 --> 00:10:17,817
Amma daxil olmaq 眉莽眉n icaz蓹 verilmir.

215
00:10:17,817 --> 00:10:20,900
Bu ad蓹t蓹n daxili fayllar谋 ki,
m眉xt蓹lif s蓹b蓹bl蓹rd蓹n server ya艧ay谋r

216
00:10:20,900 --> 00:10:23,860
lakin n蓹z蓹rd蓹 deyil
xarici d眉nyaya 蓹ld蓹,

217
00:10:23,860 --> 00:10:25,030
v蓹 onlar qada臒and谋r.

218
00:10:25,030 --> 00:10:27,120
Onlar orada ya艧ay谋r.

219
00:10:27,120 --> 00:10:28,440
M蓹n onu tapa bilmir蓹m demir蓹m.

220
00:10:28,440 --> 00:10:30,030
Amma m蓹n onu siz蓹 ver蓹 bilm蓹z deyir蓹m.

221
00:10:30,030 --> 00:10:32,071
V蓹 蓹g蓹r F蓹rq etm蓹z
Siz v蓹 ya daxil edirik.

222
00:10:32,071 --> 00:10:35,479
V蓹 sonra, 蓹lb蓹tt蓹,
莽ox 眉mumi 404 Not Found.

223
00:10:35,479 --> 00:10:37,020
fayl server yoxdur.

224
00:10:37,020 --> 00:10:40,200
M蓹n t蓹min etm蓹k ist蓹yir蓹m
sizin, amma bilm蓹z.

225
00:10:40,200 --> 00:10:43,390
>> Siz d蓹 b蓹z蓹n server g枚rm蓹k
s蓹hvl蓹r, 蓹n 眉mumi 眉mumiyy蓹tl蓹

226
00:10:43,390 --> 00:10:46,990
olan 500 Daxili Server Error olan
h蓹qiq蓹t蓹n bir 艧ey dem蓹k deyil

227
00:10:46,990 --> 00:10:50,200
b眉t眉n yanl谋艧 ke莽mi艧dir n蓹 haqq谋nda.

228
00:10:50,200 --> 00:10:53,290
Amma siz edilm蓹si h蓹qiq蓹t蓹n deyil
sizin bir s蓹hv.

229
00:10:53,290 --> 00:10:58,200
Bu, h蓹qiq蓹t蓹n, server u臒ursuz var
el蓹 xahi艧i il蓹 t蓹min edir.

230
00:10:58,200 --> 00:11:00,040
Bel蓹 ki, 500 眉mumi cavabd谋r.

231
00:11:00,040 --> 00:11:03,190
>> Siz h蓹m莽inin bir 艧ey g枚rm蓹k laz谋md谋r
, Service Almaq kimi

232
00:11:03,190 --> 00:11:05,720
M蓹n inan谋ram kodu 503 edir.

233
00:11:05,720 --> 00:11:07,882
V蓹 Gateway Timeout-- 蓹g蓹r
He莽 bir s蓹hif蓹 idi yaln谋z

234
00:11:07,882 --> 00:11:09,590
orada loading oturmaq v蓹
loading v蓹 y眉kl蓹m蓹

235
00:11:09,590 --> 00:11:12,715
Bu olacaq 蓹g蓹r Bildiyiniz he莽 vaxt
y眉k v蓹 sonra n蓹hay蓹t yaln谋z bel蓹 deyir

236
00:11:12,715 --> 00:11:13,650
yaln谋z verir.

237
00:11:13,650 --> 00:11:15,460
Ki, 504 Gateway Timeout var.

238
00:11:15,460 --> 00:11:17,600
server ist蓹di
sizin icra,

239
00:11:17,600 --> 00:11:19,930
lakin bir 艧ey yanl谋艧 getdi
server t蓹r蓹f蓹 on

240
00:11:19,930 --> 00:11:24,452
Biz sizin t蓹r蓹f蓹 haqq谋nda
ki, bir problem s蓹b蓹b olur.

241
00:11:24,452 --> 00:11:27,410
陌ndi biz burada hekay蓹 ola bil蓹r,
lakin m蓹n, h蓹qiq蓹t蓹n, indi gedir蓹m n蓹

242
00:11:27,410 --> 00:11:29,368
M蓹n a莽maq 眉莽眉n gedir蓹m ki,
m蓹nim brauzerinizin v蓹 siz蓹 g枚st蓹rm蓹k

243
00:11:29,368 --> 00:11:32,250
Siz g枚rm蓹k ed蓹 bil蓹r nec蓹
bu status kodlar谋 b蓹zi

244
00:11:32,250 --> 00:11:34,580
h蓹tta 眉mumiyy蓹tl蓹, onlar谋 g枚rm眉r蓹m 蓹g蓹r.

245
00:11:34,580 --> 00:11:39,090
V蓹 biz alaraq bunu olacaq
b蓹zi geli艧tirici al蓹tl蓹ri oldu.

246
00:11:39,090 --> 00:11:42,050
>> B眉t眉n h眉quqlar M蓹n burada So
陌ndi m蓹nim brauzer p蓹nc蓹r蓹sind蓹.

247
00:11:42,050 --> 00:11:45,840
M蓹n bir az 枚yr蓹nm蓹k ist蓹yirsinizs蓹
Bu HTTP istekleri haqq谋nda daha 莽ox.

248
00:11:45,840 --> 00:11:49,060
Nec蓹 bir 蓹g蓹r bilm蓹k 蓹lb蓹tt蓹 bilir蓹m yoxdur
Bir 艧ey yanl谋艧 gedir zaman, s蓹hif蓹 goes--

249
00:11:49,060 --> 00:11:49,630
Biz 404 almaq.

250
00:11:49,630 --> 00:11:50,465
Biz b眉t眉n g枚rd眉k.

251
00:11:50,465 --> 00:11:51,840
Biz ki, g枚st蓹rm蓹k 眉莽眉n ehtiyac yoxdur.

252
00:11:51,840 --> 00:11:53,048
Lakin b蓹zi dig蓹r olanlar谋 n蓹 var?

253
00:11:53,048 --> 00:11:56,850
V蓹 biz nec蓹 g枚rm蓹k olard谋
f蓹aliyy蓹t bu sor臒u?

254
00:11:56,850 --> 00:11:59,990
>> M蓹n gedir蓹m Bel蓹 ki, ilk 艧ey
Bunu Developer Tools a莽maq deyil.

255
00:11:59,990 --> 00:12:02,580
Bel蓹 ki Developer Tools in艧a edilir
蓹n m眉asir brauzerl蓹rd蓹 daxil

256
00:12:02,580 --> 00:12:06,020
v蓹 biz蓹 艧eyi g枚rm蓹k 眉莽眉n imkan verir
biz ba艧qa c眉r deyil ki,

257
00:12:06,020 --> 00:12:10,580
bir 蓹lav蓹 m蓹lumat n枚v see--
bizim web alt谋nda 枚t眉r眉l蓹n

258
00:12:10,580 --> 00:12:11,500
sor臒u.

259
00:12:11,500 --> 00:12:12,790
Burada Google Chrome istifad蓹 edir蓹m.

260
00:12:12,790 --> 00:12:16,900
V蓹 Developer Tools a莽maq
Chrome, yaln谋z F-12 hit

261
00:12:16,900 --> 00:12:18,729
v蓹 a莽谋q olacaq
t蓹r蓹fd蓹n bu q蓹d蓹r.

262
00:12:18,729 --> 00:12:21,770
M蓹n sor臒u yaz谋n sonra, m蓹n zoom laz谋md谋r
bel蓹 ki, biz burada neler g枚r蓹 bil蓹rsiniz.

263
00:12:21,770 --> 00:12:28,530
Amma m蓹nim brauzerinizin n蓹 gidiyorum n蓹
is-- bar v蓹 m蓹n burada art谋q zoom laz谋md谋r

264
00:12:28,530 --> 00:12:32,427
M蓹n www.google.com 眉莽眉n sor臒u ed蓹c蓹k.

265
00:12:32,427 --> 00:12:34,260
Biz b眉t眉n y蓹qin ki, etdik
蓹vv蓹l bu t蓹l蓹bi.

266
00:12:34,260 --> 00:12:35,400
M蓹n Enter d眉ym蓹sini bas谋n gedir蓹m.

267
00:12:35,400 --> 00:12:41,920

268
00:12:41,920 --> 00:12:46,400
>> 陌ndi burada m蓹nim Oyunlar 眉z蓹rind蓹
Tools, m蓹n Network ni艧an谋 se莽tiniz.

269
00:12:46,400 --> 00:12:48,010
V蓹 burada bir 莽ox 艧eyi qeyd.

270
00:12:48,010 --> 00:12:51,732
These-- 200 OK, 200 OK, b蓹zi baxmaq
bu status kodlar谋 g蓹lir.

271
00:12:51,732 --> 00:12:53,356
I Found 302 al谋ram niy蓹 bilmir蓹m.

272
00:12:53,356 --> 00:12:54,860
M蓹n ki, bir g枚rm蓹k ist蓹diyiniz d蓹rk etm蓹yib.

273
00:12:54,860 --> 00:12:58,192
Lakin 蓹sas蓹n qeyd ki, olduqca
Google request-- bax谋m谋ndan 莽ox

274
00:12:58,192 --> 00:13:00,150
M蓹n 莽ox sad蓹
Google s蓹hif蓹 眉莽眉n sor臒u.

275
00:13:00,150 --> 00:13:02,890
V蓹 prosesind蓹
M蓹nim sor臒u 莽atd谋r谋lmas谋,

276
00:13:02,890 --> 00:13:05,670
Google y蓹qin bir 莽ox etmi艧dir
M蓹nim ad谋mdan dig蓹r sor臒ular谋n.

277
00:13:05,670 --> 00:13:11,990
>> Amma Google 眉莽眉n get sor臒u etdik
s蓹hif蓹 v蓹 200 OKS bir 莽ox al谋ram.

278
00:13:11,990 --> 00:13:14,830
M蓹n OK 200 g枚remiyorum
m蓹nim ekran, amma al谋ram

279
00:13:14,830 --> 00:13:17,170
edilmi艧dir sor臒ular谋n bir 莽ox.

280
00:13:17,170 --> 00:13:19,550
M蓹n olduqca edir蓹m ki, bir daha
蓹min i艧 gedir

281
00:13:19,550 --> 00:13:21,920
sizin 眉莽眉n is-- ed蓹n
h蓹qiq蓹t蓹n k枚hn蓹 m蓹kt蓹b var,

282
00:13:21,920 --> 00:13:26,012
Siz Facebook oldu臒unu bilirik bil蓹r
h蓹mi艧蓹 Facebook.com edir.

283
00:13:26,012 --> 00:13:29,780
Onun erk蓹n g眉n idi
wwww.thefacebook.com at.

284
00:13:29,780 --> 00:13:33,560
Onlar y蓹qin 蓹ld蓹 ed蓹 bilm蓹di
olduqca biraz 眉莽眉n Facebook.com 眉莽眉n.

285
00:13:33,560 --> 00:13:35,870
>> V蓹 m蓹n g枚zl蓹yirik al谋ram n蓹
Burada m蓹lumat 蓹ld蓹 etm蓹kdir.

286
00:13:35,870 --> 00:13:37,315
Bu tavalarda 蓹g蓹r biz g枚r蓹c蓹ksiniz.

287
00:13:37,315 --> 00:13:39,190
M蓹n burada n蓹 g枚zl蓹yirik al谋ram
m蓹lumat almaq 眉莽眉n

288
00:13:39,190 --> 00:13:43,980
Facebook daimi k枚莽眉r眉l眉b ki,
thefacebook.com olan Facebook.com 眉莽眉n.

289
00:13:43,980 --> 00:13:46,830
Bel蓹likl蓹, m蓹n haradasa g枚zl蓹yirik al谋ram
M蓹nim sor臒u 眉st

290
00:13:46,830 --> 00:13:50,730
m蓹nim Developer Tools
301 bildiri艧 almaq

291
00:13:50,730 --> 00:13:52,580
ki, Facebook daimi k枚莽眉r眉l眉b.

292
00:13:52,580 --> 00:13:59,070
Yen蓹 301 g枚rmezsiniz
m蓹nim brauzerinizin ekranda.

293
00:13:59,070 --> 00:14:01,380
V蓹 bu 301 莽眉nki,
Bu daimi h蓹r蓹k蓹t var.

294
00:14:01,380 --> 00:14:03,500
Ki, olan m蓹nim brauzerinizin,
Bu, m眉asir browser

295
00:14:03,500 --> 00:14:06,110
y蓹qin ki, y枚nlendirme gedir
h蓹r halda Facebook.com m蓹ni.

296
00:14:06,110 --> 00:14:07,260
Amma n蓹 g枚rm蓹k ed蓹k.

297
00:14:07,260 --> 00:14:09,340
>> 陌ndi gedir蓹m
thefacebook.com gedin.

298
00:14:09,340 --> 00:14:11,370
V蓹 yep, orada sa臒 眉st edir.

299
00:14:11,370 --> 00:14:13,390
Bu 眉z getdi, lakin orada idi.

300
00:14:13,390 --> 00:14:14,820
M蓹n蓹 burada diyirl蓹yin ed蓹k.

301
00:14:14,820 --> 00:14:18,004

302
00:14:18,004 --> 00:14:18,920
Burada 眉st.

303
00:14:18,920 --> 00:14:23,080
M蓹n thefacebook.com sor臒u etdi
M蓹n cavab al谋ram

304
00:14:23,080 --> 00:14:25,410
Bu s蓹hif蓹 daimi k枚莽眉r眉l眉b.

305
00:14:25,410 --> 00:14:27,770
V蓹 sonra 307 burada
daxili 陌stiqam蓹tl蓹ndirm蓹.

306
00:14:27,770 --> 00:14:30,680
V蓹 bu h蓹qiq蓹t蓹n n蓹 edir
daha 莽ox m蓹n蓹 k枚莽眉b

307
00:14:30,680 --> 00:14:33,330
tan谋艧 www.facebook.com.

308
00:14:33,330 --> 00:14:38,480
>> Bel蓹 ki, bu cavab kodlar谋 h蓹l蓹 d蓹
biz onlar谋 g枚rm眉r蓹m bel蓹, ba艧 verir.

309
00:14:38,480 --> 00:14:40,710
M蓹n fikrind蓹 deyil蓹m
g枚st蓹rm蓹k 401, 403, 404,

310
00:14:40,710 --> 00:14:43,090
Siz y蓹qin ki, g枚rd眉m, 莽眉nki
m眉xt蓹lif n枚qt蓹l蓹rind蓹 o.

311
00:14:43,090 --> 00:14:45,740
500, m蓹n yaln谋z olard谋
n枚v var, biz xo艧b蓹xt almaq ist蓹diyiniz

312
00:14:45,740 --> 00:14:50,380
500 var, 蓹g蓹r biz bilmir蓹m, 莽眉nki n蓹
server h蓹r hans谋 Hal-haz谋rda a艧a臒谋 edir.

313
00:14:50,380 --> 00:14:53,060
Lakin bu kodlar谋 etm蓹k
m枚vcuddur v蓹 bir yol var

314
00:14:53,060 --> 00:14:58,610
biz deyil, h蓹tta onlara daxil olmaq 眉莽眉n
Bizim sistemi bilavasit蓹 onlar谋 g枚rm蓹k.

315
00:14:58,610 --> 00:14:59,530
M蓹n Doug Lloyd edir蓹m.

316
00:14:59,530 --> 00:15:01,570
Bu CS50 edir.

317
00:15:01,570 --> 00:15:03,557