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Bash empty array expansion with `set -u`
...
$ bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a conditional you can use inline to achieve what you want in older versions: Use ${arr[@]+"${arr[@]}"} instead of "${arr[@]}".
$ function args...
Does the default constructor initialize built-in types?
... // Uses value-initialization feature instead
assert(c.x == 0);
C *pc = new C(); // Does not use default constructor for `C()` part
// Uses value-initialization feature instead
assert(pc->x == 0);
The behavior of () initializer is different in some respects between C++9...
Convert UTC/GMT time to local time
...ing a C# application for a web-service client. This will run on Windows XP PC's.
11 Answers
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What does a type followed by _t (underscore-t) represent?
...tforms -- so whose int are you conforming to? (Although, these days, most PC-centric development treats it as 32 bits, much stuff for non-PC development still treat int's as 16 bits).
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imp...
阿里双11大型项目管理怎么玩？ - 项目管理 - 清泛网 - 专注C/C++及内核技术
...用阿里巴巴研发协同平台RDC的项目集管理、项目风险进度及健康度管理等功能。
*乐学：本名于旭东，供职于阿里巴巴菜鸟网络工程效能团队，关注研发效能的改进和提升，同时带领PMO团队支持公司内部重大项目管理如双十一...
App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...不需要回复的可留空~ 请描述您的问题（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域...
Which version of C# am I using
...bly.ImageRuntimeVersion does not tell you the right version number - on my PC, .NET 4.6 RC is installed but Assembly.ImageRuntimeVersion reports v4.0.30319
– Matt
Jul 14 '15 at 10:55
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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
INT 10H 中断介绍int_10h_instructionsINT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序，而后倚天公司针对倚天中文提供了许多服务程序，这些服务程序也加挂在 INT 10H ...
INT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序。使用 INT 10H...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
... allows some letter, like a and e. it seems like the keypad numbers on the pc is letters on the iMac and the Mac keyboard is the same as the regular numbers. anyone know how to make it work on both mac and pc?
– Volmar
Aug 10 '10 at 9:39
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How to print colored text in Python?
...s a good introduction.
If you are not using extended ASCII (i.e. not on a PC), you are stuck with the ascii characters below 127, and '#' or '@' is probably your best bet for a block. If you can ensure your terminal is using a IBM extended ascii character set, you have many more options. Characters...