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83 lines
5.5 KiB
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[#]: collector: (lujun9972)
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[#]: translator: ( )
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (Do you prefer a live demo to be perfect or broken?)
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[#]: via: (https://opensource.com/article/19/7/live-demo-perfect-or-broken)
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[#]: author: (Lauren Maffeo https://opensource.com/users/lmaffeohttps://opensource.com/users/don-watkinshttps://opensource.com/users/jamesf)
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Do you prefer a live demo to be perfect or broken?
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======
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Do you learn more from flawless demos or ones the presenter de-bugs in
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real-time? Let us know by answering our poll.
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![video editing dashboard][1]
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At [DevFest DC][2] in June, [Sara Robinson][3], developer advocate at Google Cloud, gave the most seamless live demo I've ever witnessed.
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Sara live-coded a machine model from scratch using TensorFlow and Keras. Then she trained the model live, deployed it to Google's Cloud AI platform, and used the deployed model to make predictions.
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With the exception of perhaps one small hiccup, the whole thing went smoothly, and I learned a lot as an audience member.
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At that evening's reception, I congratulated Sara on the live demo's success and told her I've never seen a live demo go so well. It turns out that this subject was already on her mind; Sara asked this question on Twitter less than two hours before her live demo:
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> Do you prefer watching a live demo where everything works perfectly or one that breaks and the presenter has to de-bug?
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>
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> — Sara Robinson (@SRobTweets) [June 14, 2019][4]
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Contrary to my preference for flawless demos, two-thirds of Sara's followers prefer to watch de-bugging. The replies to her poll were equally enlightening:
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> I prefer ones that break once or twice, just so you know it's real. "Break" can be something small like a typo or skipping a step.
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>
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> — Seth Vargo (@sethvargo) [June 14, 2019][5]
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> Broken demos which are fixed in real time seem to get a better reaction from the audience. This was our experience with the All-Demo Super Session at NEXT SF. Audible gasps followed by applause from the audience when the broken demo was fixed in real-time 🤓
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>
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> — Jamie Kinney (@jamiekinney) [June 14, 2019][6]
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This made me reconsider my preference for perfection. When I attend live demos at events, I'm looking for tools that I'm unfamiliar with. I want to learn the basics of those tools, then see real-world applications. I don't expect magic, but I do want to see how the tools intend to work so I can gain and retain some knowledge.
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I've gone to several live demos that break. In my experience, this has caught most presenters off-guard; they seemed unfamiliar with the bugs at hand and, in one case, the error derailed the rest of the presentation. In short, it was like this:
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> Hmm, at least when the live demo fails you know it's not a video 😁
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> But I don't like when the presenter start to struggle, when everything becomes silent, it becomes so awkward (especially when I'm the one presenting)
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>
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> — Sylvain Nouts Ⓥ (@SylvainNouts) [June 14, 2019][7]
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Reading the replies to Sara's thread made me wonder what I'm really after when attending live demos. Is "perfection" what I seek? Or is it presenters who are more skilled at de-bugging in real-time? Upon reflection, I suspect that it's the latter.
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After all, "perfect" code is a lofty (if impossible) concept. Mistakes will happen, and I don't expect them not to. But I _do_ expect conference presenters to know their tools well enough that when things go sideways during live demos, they won't get so flustered that they can't keep going.
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Overall, this reply to Sara resonates with me the most. I attend live demos as a new coder with the goal to learn, and those that veer too far off-course aren't as effective for me:
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> I don’t necessarily prefer a broken demo, but I do think they show a more realistic view.
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> That said, when you are newer to coding if the error takes things too far off the rails it can make it challenging to understand the original concept.
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>
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> — April Bowler (@A_Bowler2) [June 14, 2019][8]
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I don't expect everyone to attend live demos with the same goals and perspective as me. That's why we want to learn what the open source community thinks.
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_Do you prefer for live demos to be perfect? Or do you gain more from watching presenters de-bug in real-time? Do you attend live demos primarily to learn or for other reasons? Let us know by taking our poll or leaving a comment below._
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/19/7/live-demo-perfect-or-broken
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作者：[Lauren Maffeo][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://opensource.com/users/lmaffeohttps://opensource.com/users/don-watkinshttps://opensource.com/users/jamesf
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[b]: https://github.com/lujun9972
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[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/video_editing_folder_music_wave_play.png?itok=-J9rs-My (video editing dashboard)
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[2]: https://www.devfestdc.org/
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[3]: https://twitter.com/SRobTweets
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[4]: https://twitter.com/SRobTweets/status/1139619990687162368?ref_src=twsrc%5Etfw
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[5]: https://twitter.com/sethvargo/status/1139620990546145281?ref_src=twsrc%5Etfw
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[6]: https://twitter.com/jamiekinney/status/1139636109585989632?ref_src=twsrc%5Etfw
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[7]: https://twitter.com/SylvainNouts/status/1139637154731237376?ref_src=twsrc%5Etfw
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[8]: https://twitter.com/A_Bowler2/status/1139648492953976832?ref_src=twsrc%5Etfw
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