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Check if current directory is a Git repository
...it-dir. I personally use git rev-parse --is-inside-work-tree before set my PS1.
– juliohm
Aug 10 '13 at 13:53
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The identity used to sign the executable is no longer valid
...refresh button in the lower left corner (called Download all in Xcode 7)
PS:
Sometimes it may also help to delete invalid provisioning profiles: right-click -> move to trash
I saw this error exactly one year after signing up as an Apple developer.
...
What is the purpose of double curly braces in React's JSX syntax?
...s incarnation) and there may be a few other improvements to be had there. PS, still living in Boulder? Lets grab coffee or lunch sometime... it would be good to know someone with the inside scoop on React since we're just starting a big project with it.
– B Robster
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How to know that a string starts/ends with a specific string in jQuery?
... Hello ? " + /Hello$/i.test(str));
as the match() method is deprecated.
PS : the "i" flag in RegExp is optional and stands for case insensitive (so it will also return true for "hello", "hEllo", etc.).
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Repairing Postgresql after upgrading to OSX 10.7 Lion
...oint my rails installation completely borked when trying to connect to the psql server. When I do it from the command line using
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jQuery: Select data attributes that aren't empty?
...st & has to have some value...
jQuery("[href!=''][href]");
PS: more combinations are possible...
Check this test in jsFiddle for examples:
jQuery v1.11.0 -> jsFiddle online test
jQuery v2.1.0 -> jsFiddle online test
jQuery v2.1.3 -> jsFiddle onlin...
Choosing between std::map and std::unordered_map [duplicate]
...r re-balance it, incredibly often. These are cache-killer and cache-apocalypse operations respectively... so just say NO to std::map.
You might be interested in this SO question on efficient hash map implementations.
(PS - std::unordered_map is cache-unfriendly because it uses linked lists as buck...
How do I disable a href link in JavaScript?
...n element with an id of 1 if one gets added later.
– ps2goat
Jul 8 '14 at 19:41
Well yeah it's obvious. Knowing that j...
Displaying Windows command prompt output and redirecting it to a file
... This is the most close answer: it works on default install, as PS is already there on most machines and, especially, servers.
– Stoleg
Feb 14 '14 at 12:58
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... Linux 下的 OOM Killerhow-to-configure-the-linux-oom-killer最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉，还有位客户抱怨 VPS 经常死机，登陆到终端看了一下，都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS ...