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- App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...碰撞。如果您知道要连接的服务/特性，那么将它们编码到应用程序中是有意义的。如果您正在开发一个更通用的 UI，以便人们探索 BLE 建议中可用的服务，那么您可能需要查看 DeviceCharacteristics 属性，该属性返回一个包含服务、...
app inventor 2 怎么进行延迟操作？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...试这里给出一个既简单又相对高效率的实现方案：需要用到计时器组件： 实现代码如下： 代码原理非常简单，就是计算好要 sleep 到的时刻，然后一直循环等待到那个时刻为止。测试方法如下： 经过测试，该方法有效，能正常 s...
AppInventor写二进制文件 - App应用开发 - 清泛IT社区，为创新赋能！
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蓝牙等组件返回的字节列表（list），目前不能直接追加到拓展中，可以采用遍历字节列表，然后将字节逐一将追加到拓展中，最后调用拓展方法保存为二进制文件。
当VC问你打算怎么招贤纳士的时候 你该这么答 - 资讯 - 清泛网 - 专注C/C++及内核技术
...服务的风投公司Homebrew.
“扩建团队”往往是初创公司拿到投资之后的一大用途。不论是为现有项目增加资金，还是为团队招募新的人才，掩盖筹资讲稿背后的真实目的是不对的。我所感兴趣的不仅仅是招募的人员将来会完成什...
Heap vs Binary Search Tree (BST)
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Paper: http://i.stanford.edu/pub/cstr/reports/cs/tr/74/460/CS-TR-74-460.pdf
WSU slides: http://www.eecs.wsu.edu/~holder/courses/CptS223/spr09/slides/heaps.pdf
Intuitive argument:
bottom tree levels have exponentially more elements than top levels, so new elements are almost certain to go at t...
What is in your .vimrc? [closed]
...0
"}}}
let g:rct_completion_use_fri = 1
"let g:Tex_DefaultTargetFormat = "pdf"
let g:Tex_ViewRule_pdf = "kpdf"
filetype plugin indent on
syntax on
share
edited Aug 2 '09 at...
Getting the error “Missing $ inserted” in LaTeX
...rscore" package also solved an issue I encountered when trying to generate pdf out from a knitr document in RStudio by using the function "semTable" (before it resulted in the 'Missing $' error.
– Will
Aug 4 '18 at 8:08
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How to create a video from images with FFmpeg?
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If you are using python and subprocess.call to start ffmpeg, you should not use the single quotes 'in the input and output file names. Otherwise it will not find the files.
– RunOrVeith
May 13 '19 at 12:...
Android disable screen timeout while app is running
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For the ones who don't have time to read linked pdf: "Wakelocks are costly if forgotten", "Consider using android:keepScreenOn to ensure correctness".
– lenrok258
Feb 7 '16 at 15:11
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A good book for learning D3.js [closed]
...ing from a different medium) and perhaps un-humbly D3 Tips and Tricks as a pdf, epub or mobi or even fully on-line leanpub.com/D3-Tips-and-Tricks/read :-)
– d3noob
Jun 5 '13 at 4:49
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