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Programming Throwdown

Hash Maps

Programming Throwdown

Patrick Wheeler and Jason Gauci

Objective C, Java, Programming Throwdown, Education, News, Programming Languages, How To, Tech News, C, Python

4.6604 Ratings

🗓️ 4 August 2021

⏱️ 83 minutes

🧾️ Download transcript

Summary

What are hash maps, and when do you need them? What are examples of hash functions? And can you bring a water calculator to your SATs?

Transcript

Click on a timestamp to play from that location

0:00.0

Programming Throwdown Episode 116.

0:18.0

Hashmaps. Take it away, Jason.

0:21.5

Hey, everybody.

0:22.7

We're here with the duo episode.

0:25.4

We've moved on to two episodes a month.

0:28.3

I'm sure people have noticed by now, which is really, really cool.

0:32.2

And I probably talk about that too much, but I just can't tell you how excited I am that we have, you know,

0:42.1

actual producer and we can up the amount of content that we get out to everybody, which is really cool. Exciting. Yeah. So this episode, we're going to talk about hash maps, which is really cool.

0:49.0

So before we get into the actual, you know, show, I just had like a pre-show.

0:54.7

I wasn't sure if hash maps include hash tables or like what the like, you know,

1:01.1

umbrella term is.

1:03.0

I think hash maps kind of cover everything.

1:05.3

I think they include, I know hash maps and hash sets are basically the same thing.

1:09.6

Yeah, that's true. But then hash table?

1:12.4

I mean, does that just mean you're using an array? I don't. Yeah, I don't know either. We'll have to, we'll look it up. We'll look it up. Okay. But yeah, our show's going to be all about hashing and all the different things you can do with hashing and all the clever stuff that it unlocks. So we're really excited about that.

1:08.7

And I actually, another thing I'm

1:28.3

excited about is I got an Oculus Quest, one of the Quest 2s. And I think in our very first show,

1:36.5

I think I talked about, or maybe it was one of the first few episodes, how I got a cell phone

1:40.4

and how that was kind of a big deal. Or smartphone, sorry, smartphone.

1:45.5

That was a late adopter to the whole smartphone thing. I'm also a late adopter here,

1:49.9

so I feel like I've been consistent. But I got a quest to, so I got, you know, Beat Sabre and a lot

1:55.8

of things that everyone knows about. And it's been fun. I've been exercising a lot with it.

...

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