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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...阿里云短信平台接入，短信验证码
【设备信息】 PhoneInfo 拓展：获取手机等设备软硬件、版本等相关信息
【数据库】 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎
【常用工具】 AI2Utils 拓展：一些常用的小功能...
How to remove specific value from array using jQuery
I have an array that looks like this: var y = [1, 2, 3];
20 Answers
20
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Declare slice or make slice?
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...ommit.)
If you happen to have rerere enabled in your repo (rerere.enabled set to true), this will be way easier - git will be able to reuse the recorded resolution from when you originally had the conflicts, and all you have to do is inspect it to make sure it worked right, add the files to the ind...
Func delegate with no return type
All of the Func delegates return a value. What are the .NET delegates that can be used with methods that return void?
7 Ans...
Difference between CTE and SubQuery?
...execution plan to spot any differences, and that would be specific to your setup (so we can't tell you the answer in full).
In general; A CTE can be used recursively; a sub-query cannot. This makes them especially well suited to tree structures.
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What are all codecs and formats supported by FFmpeg?
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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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Getting back old copy paste behaviour in tmux, with mouse
...ed to (at least temporarily) turn off mouse support within tmux:
prefix : set -g mouse off
Where prefix is the tmux access key (Ctrl+B by default unless you re-map it). : starts command mode and set -g sets the parameter globally.
When mouse mode is turned off, the standard copy/paste functions ...
Linux - Install redis-cli only
I have a Linux server with Redis installed and I want to connect to it via command line from my local Linux machine.
12 Ans...