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Why does modern Perl avoid UTF-8 by default?
..., we got 12. Perl assumed that we were operating on the Latin-1 string "æååã" (which is 12 characters, some of which are non-printing).
This is called an "implicit upgrade", and it's a perfectly reasonable thing to do, but it's not what you want if your text is not Latin-1. That's why it's c...
Are soft deletes a good idea? [duplicate]
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+1: I always soft-delete.
– KMån
Mar 31 '10 at 5:45
3
so you don't have t...
how to view the contents of a .pem certificate
...in file.pem -text | grep -A 1 'Alternative Name'
– qräbnö
Jul 11 '18 at 10:27
2
In my case I ha...
How to get the difference between two arrays in JavaScript?
... => bArray.some(b => a === b)), no?
– Jari Keinänen
May 24 '18 at 8:18
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MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...的名字
-c:指明collection的名字
-f:指明要导入那些列
示例：先删除students中的数据，并验证
> db.students.remove()
> db.students.find()
然后再导入上面导出的students.dat文件中的内容
[root@localhost mongodb]# ./bin/mongoimport -d test -c student...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
... 并发类库简要对比… 305
附录C 消息传递框架与完整的ATM示例… 307
附录D C++线程类库参考… 326
D.1 <chrono>头文件… 326
D.1.1 std::chrono::duration类模板… 326
D.1.2 std::chrono::time_point类模板… 336
D.1.3 std::chrono::system_clock类… 339
D.1.4 s...
How to make an Android device vibrate?
...el 26. Use vibrate(VibrationEffect) instead.
– Timo Bähr
Jan 23 '18 at 15:05
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show 1 more comment
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Where does this come from: -*- coding: utf-8 -*-
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actually, if I put a line like test1 = 'äöü' it will hint you to add such a headder to the file. (pycharm 2019.1)
– Cutton Eye
Sep 27 '19 at 10:33
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
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Here's a comment by React team member Sebastian Markbåge which sheds some light:
React does the diffing on the output (which is a known serializable format, DOM attributes). This means that the source data can be of any format. It can be immutable data structures and state in...
HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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