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How to implement common bash idioms in Python? [closed]
...y in your Python scripts. Another huge batch of Linux commands are in the os library; you can do these more simply in Python.
And -- bonus! -- more quickly. Each separate Linux command in the shell (with a few exceptions) forks a subprocess. By using Python shutil and os modules, you don't fork a...
How to import other Python files?
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There are many ways to import a python file, all with their pros and cons.
Don't just hastily pick the first import strategy that works for you or else you'll have to rewrite the codebase later on when you find it doesn't meet your needs.
I'll start out explaining the easiest exampl...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
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You can use shuf. On some systems at least (doesn't appear to be in POSIX).
As jleedev pointed out: sort -R might also be an option. On some systems at least; well, you get the picture. It has been pointed out that sort -R doesn't really shuffle but instead sort items according to their hash ...
Why do I get a SyntaxError for a Unicode escape in my file path?
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why triple `\`? Editing typo? Ok now I see post history and someone fixed formatting not carefully enough, so I've fixed that. Please familiarize yourself it with SO features.
– Marek R
Jan 20 at 11:17
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oracle:完整剖析PL/SQL DEVELOPER与SQL PLUS字符集设置 - 数据库(内核) - ...
...版本不限）
1、影响PL/SQL DEVELOPER字符集显示的要素
1.1 OS系统当前字符集
936表示操作系统当前字符集为简体中文，同ZHS16GBK.
1.2 ORACLE注册表
该键值默认读取OS系统当前字符集，当然可以修改。
1.3 系统环境变量NLS_LANG
环...
How to set JAVA_HOME environment variable on Mac OS X 10.9?
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When you say "shell," do you mean I close the terminal window and reopen it? Also, does this permanently add the environment variable for my jdk?
– islander_zero
Apr 3 '14 at 15:57
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...specific instructions to install an extension. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof I...
How do I view the type of a scala expression in IntelliJ
...2 '11 at 10:26
Sergey PassichenkoSergey Passichenko
6,65211 gold badge2525 silver badges2929 bronze badges
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Difference between wait() and sleep()
...two? If I can do everything that I can do with sleep why should I ever choose sleep?
– Balazs Zsoldos
Jul 30 '12 at 16:07
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How to download Xcode DMG or XIP file?
...latest revision is kept in the list.)
Xcode 12
12.2 beta
12 (Requires macOS 10.15.4 or later) (Latest as of 17-Sept-2020)
Xcode 11
11.7 (Latest as of Sept 02 2020)
11.6
11.5
11.4.1 (Requires macOS 10.15.2 or later)
11.3.1
11.2.1
11.1
11 (Requires macOS 10.14.4 or later)
Xcode 10 (unsu...