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Linear Regression and group by in R
...6 -0.01852429
Degrees of freedom: 20 total; 16 residual
Residual standard error: 0.8201316
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Internet Explorer's CSS rules limits
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Thank you for the script. It helped me debug a different error
– Jdahern
May 6 '14 at 22:56
4
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
...m with
rvm implode
then after reinstalling rvm it received the same error message.
After looking through wayne seguin's git hub page. He lists tools on his page and recommended using
rvm reset
after an installation. This fixed my error message. No PATH edits needed.
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...post fields, though. So an empty post request would give the user a lot of error messages - which makes sense to me.
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...机超时。这样做是为了反映网络服务器通常需要维护每个连接的空闲超时的现实条件。这些空闲超时将在活动中重置。这是通过在设置期间设置随机 10 到 11 秒超时来实现的，并在每次客户端接收数据时删除/重新添加事件观察器...
Can “git pull --all” update all my local branches?
...er using set -e instead of || exit 1 to make the interpreter exit on first error.
– crishoj
May 2 '18 at 11:32
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Get an object properties list in Objective-C
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+1 except this will error on primitives, such as int. Please see my answer below for slightly enhanced version of this same thing.
– jpswain
Dec 21 '11 at 18:02
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Recursively list all files in a directory including files in symlink directories
Suppose I have a directory /dir inside which there are 3 symlinks to other directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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OS X Bash, 'watch' command
...directly.
– Oliver
Aug 25 '13 at 10:05
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Inputting a default image in case the src attribute of an html is not valid?
...e. Maybe you wanna use JQuery to hook the event.
<img src="foo.jpg" onerror="if (this.src != 'error.jpg') this.src = 'error.jpg';">
Updated with jacquargs error guard
Updated: CSS only solution
I recently saw Vitaly Friedman demo a great CSS solution I wasn't aware of. The idea is to appl...