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- Not be touching memory
that is not my own.

3
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And indeed, thanks to
Binky we're about to see --

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- I love showing Binky every year.

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This is from Nick from Stanford.

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- This animation's been
around for a really long time.

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- It's just cute

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- 1999!

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- I can just picture him
making this in his home.

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Hours on end, I'm sure.

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- Oh, this must have taken forever.

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- We learned that ourselves.

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Our [INAUDIBLE] production
team, we all decided

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it would be a good idea to
recreate Binky a year or so ago.

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but this time using Legos and
building Binky and tweaking him

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every few frames.

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And oh my god, was that time consuming.

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I can't imagine what it was
like doing with clay where you

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have to shape it even more precisely.

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- But this is fun.

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it takes the syntax and
it lines it up with --

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just, it's goofy.

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- How can you be scared of Binky?

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It's Binky.

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- He's going to have his
magic dereferencing wand.

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- For referencing.

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Yeah, Nick takes some liberties
with the technical jargon.

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But notice, look, even
Nick likes his Easter eggs.

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Forty-two, oh come on now.

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- I know.

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- And the bad number that
breaks everything, 13.

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- Of course.

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It's unlucky.

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- But this is fun.

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we do this on the
overhead screen as well.

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We use this same example in fact.

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We go into detail so
that it lines up nicely.

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And this really is just
a fun delivery vehicle

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for what is kind of a scary topic.

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And so I think it, hopefully,
makes it a little more real.

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But it also gives you an
opportunity to realize,

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as per the arrow that's just kind
of floating there, isn't actually

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pointing at anything, that OK, even
if Binky's separating from his clay

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there is not what you would
expect to actually happen.

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Like, something awry is
certainly inevitable here.

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- Oh, poor Binky.

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- Oh, that's no good.

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That's dedication to
the art here though.

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- I know.

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- Moving the eye no less.

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- It's a silly and cute
way to introduce pointers,

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but it's like, yeah, bad things
happen when you dereference

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a pointer that hasn't been given space.

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- Bad things happen.

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- That's the take away.

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- Bad things happen
and hopefully this can

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help make the nerves that come
with pointers go away a little bit.

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people make these mistakes, I
made these mistakes all the time.

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I don't even intend to do it in section.

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It happens.

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I think that's one thing that's
really important to take away

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is that these mistakes are not
indicative of you failing at this,

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to learn this.

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these are problems
that people facing even

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though we've been doing this for a
long time and it's totally normal.

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- It's totally stressing me out how many
steps it must have taken to shoot this.

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- Well, we know.

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We got through two seconds
of the Lego implementation.

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- Oh yes, we do know how long.

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Well, big thanks to Nick for this.

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- Yeah.

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Thank you, Nick.

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This was a great.

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