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John Li @tbfJohn

Android @Reddit. Cat Dad. He/Him

Joined December 2010
  • Tweets 469
  • Following 253
  • Followers 207
87 Photos and videos
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John Li@tbfJohn
6 Sep 2020
Does the model in MVC/MVP/MVVM depend on the presentation component? The short answer is No. medium.com/@johnleeroy/clean… #androiddev #iosdev #softwarearchitecture
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John Li@tbfJohn
4 Nov 2022
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John Li@tbfJohn
4 Nov 2022
I am grieving the loss of a team that I could picture working with for the rest of my career. #OneTeam
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John Li@tbfJohn
29 Oct 2022
I'm vacationing in a different state and everything reminds me of Twitter.
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John Li@tbfJohn
25 Apr 2022
Twitter is wild.
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John Li@tbfJohn
7 Dec 2021
Do you remember when you joined Twitter? I do! #MyTwitterAnniversary
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John Li@tbfJohn
30 Nov 2021
I finished one year at @Twitter and I appreciate the supportive and pragmatic culture that helped me continue to grow. #ThankYouJack
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John Li@tbfJohn
22 Sep 2021
Obj-C tackled the null concern by their messaging paradigm. You can send a message to an object to invoke a method call. If the object is null, no crash. This allowed logic flows to fail silently. This can encourage a bad habit of not handling the else/null case.
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John Li@tbfJohn
22 Sep 2021
Swift elevates the null concern with the optional. You can specify if objects are nullable. Features like default arguments and guard let help developers be more mindful of null cases. Optional chaining is more explicit about whether a flow results in no-op.
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John Li@tbfJohn
22 Sep 2021
iOS developers are encouraged and empowered by Swift to be more explicit and transparent about nullability. Kotlin has the same features around working with null. Let's continue to prioritize mindfulness and good patterns for working with nullable objects.
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John Li@tbfJohn
22 Sep 2021
A method that takes in a nullable argument should have logic to handle both sides of the nullability concern. If passing in null to the method results in no operation, then the argument should be non-null. The onus is on the caller to do the null check.
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John Li@tbfJohn
8 Sep 2021
I'm having dinner with my parents and my mom looks at me and asks "Have you been working out?" I have been working out recently! "Yea mom." She says "I noticed your stomach has gotten chubbier." 🙃💀 🪦
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John Li@tbfJohn
24 Aug 2021
I have less and less "glue work" as a tech lead thanks to investing in processes, documentation, delegation, and continued guidance from @AutisticManager. Soon I will be able to spend more time on establishing strategy and execution -- areas that I want to grow in.
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John Li@tbfJohn
20 Aug 2021
I gave some feedback today for extending some base abstractions rather than modifying existing interfaces that many classes use. Remember to opt for the open-closed principle when you can to promote a more maintainable codebase.
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John Li@tbfJohn
16 Aug 2021
One of the most helpful practices as a tech lead is to direct incoming requests and questions to the team's public channel. This helps reduces tribal knowledge and allows others on the team to publicly contribute.
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John Li@tbfJohn
5 Aug 2021
Feeling really energized from having 4 hours of meetings yesterday to only 2 hours today. I need to invest is processes and delegate more tasks so I can enjoy time for solving engineering challenges.
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John Li retweeted
Sy Brand@TartanLlama
9 Jun 2021
Four panel comic: 1: Anakin Skywalker says "I called malloc" 2: Padme laughs and says "And free, right?" 3: Anakin gives her a look that says "you know the answer" 4: Padme looks dissapointed "And free, right?"

ALT Four panel comic: 1: Anakin Skywalker says "I called malloc" 2: Padme laughs and says "And free, right?" 3: Anakin gives her a look that says "you know the answer" 4: Padme looks dissapointed "And free, right?"

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John Li@tbfJohn
4 Jun 2021
Things I will always go to StackOverflow for in Android - Activity launch mode - How to make a circle drawable
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John Li@tbfJohn
22 May 2021
Thanks @EmmaBostian for recommending @NotionHQ as a productivity service. It's so powerful. I can see how you can spend a lot of time customizing and finding your perfect workflow. I like the current project management setup I have right now.
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John Li@tbfJohn
22 May 2021
For more productivity tips see compiled.blog/blog/three-too…
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