Sure, a live coding talk without preparation is gonna get people to check out. But honestly, if you throw up 45 minutes of slides you're gonna put an audience to sleep too.
According to audience feedback I've collected, my talks where I do a lot of live coding are engaging and fun. But that's cos I practice, and I put effort into the talk.
The key to a good presentation is to polish it and engage the audience. It's part teaching and part performance, and if you don't do both of those well, you'll lose people. Ask the audience questions to get them involved at key places. Practice so you know the timing of things.
If you just show slides or just live code, you're probably better off recording a youtube video, tweeting it out, and spend conferences enjoying the hallway track. :)
According to audience feedback I've collected, my talks where I do a lot of live coding are engaging and fun. But that's cos I practice, and I put effort into the talk.
The key to a good presentation is to polish it and engage the audience. It's part teaching and part performance, and if you don't do both of those well, you'll lose people. Ask the audience questions to get them involved at key places. Practice so you know the timing of things.
If you just show slides or just live code, you're probably better off recording a youtube video, tweeting it out, and spend conferences enjoying the hallway track. :)