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What do 'real', 'user' and 'sys' mean in the output of time(1)?
... time; User and Sys refer to CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is t...
那些微信公众大号是如何赚钱的？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...的经济效益。“你开公众号了吗？”不知从何时起，这个问题在我们日常中出现的频率越来越高。如今，微信公众号不仅是传递好文的平台，承载着万千运营者的兴趣和梦想，而且当粉丝量和文章阅读量高涨之后，随之而来的还...
What's the difference between a 302 and a 307 redirect?
...(RFC 2616):
Note: RFC 1945 and RFC 2068 specify that the client is not allowed to
change the method on the redirected
request. However, most existing user
agent implementations treat 302 as if
it were a 303 response, performing a
GET on the Location field-value
regardless of the ori...
How do I change Eclipse to use spaces instead of tabs?
...
For those who have MyEclipse installed or any other IDE built on top of Eclipse, you may have another editor overriding your settings. This was the case for MyEclipse and JavaScript. I had my "Insert spaces for tabs" setting enabled in Text Editors, but tabs...
How to ignore files which are in repository?
....php), that is already commited to Git repository, but I want to ignore locally, i.e. I want that file to remain in repository, but force Git to ignore any changes to it.
...
Detecting programming language from a snippet
... is likely to appear in C# snippets and "puts" in Ruby snippets.
I've actually used this method to add language detection to code snippets for forum software. It worked 100% of the time, except in ambiguous cases:
print "Hello"
Let me find the code.
I couldn't find the code so I made a new one....
Handle Guzzle exception and get HTTP body
...ropriate exception type (ClientErrorResponseException for 4xx errors) and call its getResponse() method to get the response object, then call getBody() on that:
use Guzzle\Http\Exception\ClientErrorResponseException;
...
try {
$response = $request->send();
} catch (ClientErrorResponseExcep...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...00
成功！
八、附录
1、解决 webrick响应慢的问题：
修改C:\RailsInstaller\Ruby1.9.3\lib\ruby\1.9.1\webrick\ 目录中的server.rb 和httprequest.rb文件。
server.rb中的184行：
addr = sock.peeraddr
改为
addr = sock.peeraddr(:numeric )
h...
Match everything except for specified strings
...
Depends on the language, but there are generally negative-assertions you can put in like so:
(?!red|green|blue)
(Thanks for the syntax fix, the above is valid Java and Perl, YMMV)
share
...
What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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@James Schek is right. Plus, MySQL does all it's calculations using euclidean geometry, so it doesn't represent a real-world use case for lat/lng.
– mkuech
May 14 '13 at 14:53
...