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How to determine if object is in array [duplicate]
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@RobB Yeah, looks like I made a copy-paste error -- var i should have been var x. Fixed, thanks for pointing that out.
– cdhowie
Jul 17 '13 at 17:05
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How to download an entire directory and subdirectories using wget?
...nd I am only able to access the files through a browser. The base URLs for all the files is the same like
8 Answers
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How do I set a variable to the output of a command in Bash?
... be done with $(command) or "$(command)", which I find easier to read, and allows for nesting.
OUTPUT=$(ls -1)
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Quoting (") does matter to preserve multi-line variable values; it is optional on the right-hand side of an assignment, as w...
Get a random item from a JavaScript array [duplicate]
...should always be one less than the length, or else you'll get an undefined error.
– Kelly
Sep 16 '13 at 16:06
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How to save and restore multiple different sessions in Vim?
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507
You want something like
:mksession ~/mysession.vim
Then later you can source that vim file ...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
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方法：
一、网站安装
先装好PC站，建好数据库，PC站连接按常规方法，后台站点设置域名就写www.XX.com；新建一个移动站，把phpcms v9全新的网站文件放到移动站下，移动站数据连接和PC的一样，\caches\configs\system.php设置稍微改一...
postgresql list and order tables by size
...ready started typing something in your psql session, which caused a syntax error.
– yieldsfalsehood
Feb 12 '14 at 20:13
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Command to get nth line of STDOUT
...e a SIGPIPE in the feeding process, which may in turn generate an unwanted error message:
ls -l | sed -n -e '2{p;q}'
I've seen that often enough that I usually use the first (which is easier to type, anyway), though ls is not a command that complains when it gets SIGPIPE.
For a range of lines:
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Your build failed due to an error in the AAPT stage, not because of an...
...浏览器 - 使用 FireFox、Chrome 或 Safari（最新版本）互联网连接不是最佳的网络防火墙正在阻止 App Inventor
目标设备（例如智能手机）没有设置“允许来自未知来源的应用程序”安全权限集 - 转到设置/应用程序/未知来源APK 是为比...
How to empty a list?
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This actually removes the contents from the list, but doesn't replace the old label with a new empty list:
del lst[:]
Here's an example:
lst1 = [1, 2, 3]
lst2 = lst1
del lst1[:]
print(lst2)
For the sake of completeness, the slic...