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**Erik St. Martin:** Good, good. So let's talk about GopherCon, being that I think all of us were there, at least partially. Brian-half-sleep at GopherCon... |
**Brian Ketelsen:** Yeah, apparently. So this is our first show after GopherCon. GopherCon officially ended last Wednesday, it's now Thursday... I still haven't even read all my email or done my laundry. |
**Francesc Campoy:** I just got to my inbox zero yesterday and I was so proud. I'm done for the rest of the week. |
**Erik St. Martin:** I spent airline time doing the inbox zero thing. |
**Carlisia Thompson:** I haven't been at inbox zero for a long, long time. |
**Brian Ketelsen:** So I didn't have to do laundry because I got so many shirts at GopherCon, I'm just wearing them one at the time. At some point I'll run out... Then I'll have to maybe do laundry this weekend. But it's pretty nice getting a lot of shirts. |
**Erik St. Martin:** How do people even manage collecting all of that swag? You need to bring a second suitcase just to bring home swag. |
**Carlisia Thompson:** Or you do it like me... Because I was there the year before, I went prepared. My suitcase was small and pretty much empty, because I knew, like I basically only need one T-shirt, because I'm gonna get T-shirts for the rest of the days. |
**Erik St. Martin:** I can't keep mine, my wife likes to steal all of them. I think we need to have people make less comfortable shirts and then they won't get stolen. \[laughter\] So Francesc, do you wanna talk to us a little bit about your talk at GopherCon? It was actually really interesting to put that much attenti... |
**Francesc Campoy:** Yeah, I agree. So the talk basically came up when I started talking with someone about how there was nil receivers that could work. If you define a function on a pointer receiver, if that pointer is nil, that doesn't mean that the method will fail. And after talking about that, we started talking a... |
**Brian Ketelsen:** \[04:02\] I think you tweeted a picture of that, didn't you? I wanna say you tweeted a picture of you holding up a beer, saying you were working on your proposal. |
**Francesc Campoy:** Yeah, that was actually in FOSDEM, so in Brussels. I think it was in February probably, I don't remember. But yeah, I was surrounded by other Gophers. We had finished the Go devroom at FOSDEM, so lots of people surrounding us. Basically we did a proposal party where we just sent all our talk propos... |
**Erik St. Martin:** The last 48 hours, where we get like 70%? |
**Brian Ketelsen:** The procrastinators' party. |
**Francesc Campoy:** Procrastinator - absolutely. Yes, that was me. |
**Brian Ketelsen:** So how did you feel about going on first this year? |
**Francesc Campoy:** I was pretty nervous... My talk changed a lot since I was notified that I was the opening keynote speaker. I was like, "Oh wait, what?" So I made it more of trying to get a mission of embracing nil, rather than just giving a bunch of technical facts, and I think it made the talk much better. |
To be honest, I was nervous also about being the first person on stage, but then I saw Kelsey Hightower was right before me and he did an amazing job, that it was actually... It was very easy to get on stage after him, and also incredibly hard to try to compete against what he did. |
**Erik St. Martin:** Yeah, the remix of that poem was awesome. We sent him home with a framed copy of it. |
**Francesc Campoy:** Yeah, when I got on stage I said that he almost made me cry, and people laughed about it like it was a joke. It was not. I was almost crying. I was like, it's gonna be hard to say that nil is a good thing while crying, so let's keep it calm. \[laughter\] |
**Brian Ketelsen:** It was very moving. |
**Erik St. Martin:** You were telling yourself on the inside, "Put yourself together now." |
**Francesc Campoy:** Yeah, basically. |
**Erik St. Martin:** So the nil talk was one of the ones I actually got to see a good portion of, and I really enjoyed it. Because there are a lot of use cases, and I was glad you pointed out one of my favorites, which is setting a channel to nil in a select, so that you can continue to select on the other channels. |
**Francesc Campoy:** Yeah, it's something that is so simple... Once you understand it it's so obvious, but many people when they write concurrent programs don't take that into account, and it will very often happen that they either have a busy loop, or they will leak memory, leak goroutines, and things like that. So th... |
**Erik St. Martin:** Yeah, speaking of leaking goroutines, Ivan's talk with visualizing the concurrency, I've never seen leaking goroutines look so awesome. \[laughter\] |
**Francesc Campoy:** That was amazing, yeah. |
**Erik St. Martin:** It's like, "How can this be so terrible but yet so beautiful at the same time?" |
**Brian Ketelsen:** That's an interesting segue into one of the Go projects that I was keeping my eye on this week. He released that particular package GoTrace I wanna say yesterday or the day before. It's at github.com/divan/gotrace. Really awesome tool. |
**Francesc Campoy:** Yeah, I was checking it this morning and the animations are just so beautiful that I wanna run it with everything. Basically the problem right now is that the browsers are not able to catch up with all the goroutines that we start in Go. Maybe we should make goroutines heavier, or browsers faster. ... |
**Erik St. Martin:** Filing a bug for the browser, saying that it needs to increase performance so that we can show all of our goroutines. |
**Francesc Campoy:** Yeah. |
**Erik St. Martin:** \[08:02\] It's a motivating factor. |
**Francesc Campoy:** They look really cool. My favorite graph from everything he showed was the Eratosthenes Prime Sieve. I've seen that program many times before, and it's kind of hard to explain how it works. And after seeing that, I feel like anyone could just be like, "Oh, okay. I get it. I understand what all the ... |
**Erik St. Martin:** Visualizations are hard, too. That's something I've always struggled with, it's like how do you take some complex thing going on behind the scenes and visualize it so that you can easily understand it, and I think he did a really good job at being able to see the data going between goroutines and t... |
**Francesc Campoy:** Actually, since you've mentioned videos, I've had this question many times - when are the videos coming out? |
**Erik St. Martin:** They take about a month, because there's some post-production time. We have 25 videos that have to be produced, and then lightning talks. They're so massive they have to mail a hard drive. |
**Francesc Campoy:** Oh, nice. |
**Erik St. Martin:** Yeah, so it takes a couple weeks, up to a month. I would say by time it's hit one month out, the videos should be out. I think last year 18 days or something along those lines is what it took us to get them live. |
**Carlisia Thompson:** Did they all come out at once? |
**Erik St. Martin:** Yeah, they send a hard drive of all of them, and then I set my computer loose on uploading to YouTube. |
**Brian Ketelsen:** This year was a little different because we streamed live on YouTube... |
**Erik St. Martin:** On Twitch. |
**Brian Ketelsen:** Twitch, sorry. Thank you. Did I mention I need some sleep? So we did the live streaming this year and I think we had a maximum of almost 2,000 people at any given time watching, which was amazing. And a total of almost 9,800, almost 10,000 people. Or was it 8,800, almost 9,000? One of those two. |
**Erik St. Martin:** I think it was 9,000. |
**Brian Ketelsen:** Yeah, a lot of people around the world watched at various points during GopherCon, and that just made my day. It was really neat to be able to share the conference, that was a very local and specific thing, with the whole world. |
**Francesc Campoy:** Yeah, one of the people that were there on Twitch was my mom, watching my talk. |
**Erik St. Martin:** Oh, really? That's awesome. |
**Francesc Campoy:** Yeah. Fun fact - she doesn't speak English... She loved the talk; she doesn't know what I said, but she loved the talk. |
**Carlisia Thompson:** As Scott mentioned on GoTime FM gophers channel - the conference is local, but the content is pretty relevant to everybody, and it has a pretty wide range of talks, and of course people all over the world can benefit. |
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