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BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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Simple basic explanation of a Distributed Hash Table (DHT)
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brew update: The following untracked working tree files would be overwritten by merge:
... forget to fetch the origin!!!
$ cd /usr/local
$ git fetch origin
$ git reset --hard origin/master
Explanation, for those interested:
What happens is that you are trying to update brew, but brew itself is either not up to date (likely), there is a permissions change via some OS update (also likel...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...西，主要步骤如下：
//设置一堆给libeasy的回调函数
memset(&handler_, 0, sizeof(easy_io_handler_pt));
//以下都是对于OceanBase 0.4 mergeserver的obmysql端口来说的
// 将mergeserver需要回复给mysql客户端的结果以easy_buf_t(libeasy用来管理输入输出...
Is it possible to override JavaScript's toString() function to provide meaningful output for debuggi
...pt program, I just see the output [object Object] , which is not very helpful in figuring out what object (or even what type of object) it is.
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Accurate way to measure execution times of php scripts
...urn current Unix timestamp with microseconds
If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond.
Example usage:
$start = microtime(true);
while (...) {
}
$time_elapsed_...
How to get all Errors from ASP.Net MVC modelState?
...given so far, you can get exceptions occuring without error messages being set, so to catch all problems you really need to get both the ErrorMessage and the Exception.
String messages = String.Join(Environment.NewLine, ModelState.Values.SelectMany(v => v.Errors)
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Split long commands in multiple lines through Windows batch file
...t6
one
two
And it is also possible to embed line feeds into the string:
setlocal EnableDelayedExpansion
set text=This creates ^
a line feed
echo Test7: %text%
echo Test8: !text!
--- Output ---
Test7: This creates
Test8: This creates
a line feed
The empty line is important for the success. This...
Is PHP's count() function O(1) or O(n) for arrays?
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Is there a performance gain in using single quotes vs double quotes in ruby?
Do you know if using double quotes instead of single quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
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