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How do I set a variable to the output of a command in Bash?
...ion, shorter or quicker, more or less system friendly...
3rd Edit: 2020-09-05: About {fdname}<> syntax under bash See at top of bash features section.
2nd Edit 2018-02-12: Added a different way, search at the bottom of this for long-running tasks!
2018-01-25 Edit: added a sample function (for ...
Access object child properties using a dot notation string [duplicate]
...quite the same, but is probably a little more robust in that it will throw errors (whereas mine will just return undefined). It depends on your preference, I suppose. JSHint just complains about the assignment in the loop conditional, which can be disabled using the boss option.
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Mac OS X - EnvironmentError: mysql_config not found
...on 3)
If you did all those steps in the same order, and you still got an error, read on to the end, if, however, you did not follow these exact steps try, following them from the very beginning.
So, you followed the steps, and you're still geting an error, well, there are a few things you could t...
List of ANSI color escape sequences
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@giusti: Both echo -e "\033[38;05;34;1mHi" and echo -e "\033[38;05;34m\033[1mHi" worked for me, though anti-aliasing font effects did cause the appearance of the colour to change slightly under bolding in the terminal I was testing this on.
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Hidden Features of VB.NET?
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Imports it should be. ;-) Somehow, this error has gone undetected (and garnered 28 upvotes) for nearly a whole year.
– Konrad Rudolph
Jul 13 '09 at 17:37
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Vagrant's port forwarding not working [closed]
...p://localhost:4567/' from your host machine. Curl might give you a better error message than Safari.
I'd check that there are no firewalls set up restricting access to port 80. The default Vagrant VM (Ubuntu) doesn't come with a firewall set up, but you said you're using something else, so it mig...
使用Activity启动器组件 · App Inventor 2 中文网
...程序开发人员记录了此信息。 有关启动外部应用程序的提示，请参阅 Android API 文档或搜索 Android 开发人员论坛。
了解如何设置 ActivityStarter 属性
如果你想启动一个应用程序，但没有源代码或文档，你仍然可以...
dyld: Library not loaded … Reason: Image not found
...rying to run an executable I've been sent in Mac OS X, I get the following error
31 Answers
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Grouping functions (tapply, by, aggregate) and the *apply family
...so you will end up with either the exact expected output or an informative error. On the other hand, sapply will try to simplify the output following rules that aren't always obvious, and fall back to a list otherwise. For instance, try to predict the type of output this will produce: sapply(list(1:...
How do I print to the debug output window in a Win32 app?
I've got a win32 project that I've loaded into Visual Studio 2005. I'd like to be able to print things to the Visual Studio output window, but I can't for the life of me work out how. I've tried 'printf' and 'cout
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