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Update all objects in a collection using LINQ
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Amirhossein Mehrvarzi
8,55944 gold badges3434 silver badges6060 bronze badges
answered Dec 29 '08 at 23:28
Cameron MacFarlandCameron MacFarlan...
How to run multiple shells on Emacs
I am using Emacs 23.3.1 on windows 7. I know that I can run shell from emacs using M-x shell. I would like to have multiple shell windows in the same time, but typing M-x shell a second time just opens me the same shell window.
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...多了就拆分。很多其他事情，思路无外乎都是如此吧。
3、实例
该来点干货了。首先介绍下本文优化的这个小例子，是wetest平台压力测试产品的后台ServerCenter模块源码。（你问wetest是嘛？WeTest腾讯质量开放平台（wetest.qq.com)...
How to extract an assembly from the GAC?
...m GAC. Follow the following steps
to copy DLL from GAC
Run regsvr32 /u C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\shfusion.dll
shfusion.dll is an explorer extension DLL that gives a distinct
look to the GAC folder. Unregistering
this file will remove the assembly
cache vie...
Database Structure for Tree Data Structure
...e structure, but incur additional overhead when writing to the structure.
3) What types of information do you need to obtain from the structure - some structures excel at providing certain kinds of information about the structure. Examples include finding a node and all its children, finding a node...
Finding all cycles in a directed graph
... problem. Some of them are listed in this article:
http://dx.doi.org/10.1137/0205007
According to the article, Johnson's algorithm is the fastest one.
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Bash: infinite sleep (infinite blocking)
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341
sleep infinity does exactly what it suggests and works without cat abuse.
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
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Note that array semantics and syntax was changed in Xcode beta 3 version (blog post), so the question no longer applies. The following answer applied to beta 2:
It's for performance reasons. Basically, they try to avoid copying arrays as long as they can (and claim "C-like performance...
How to delete a cookie?
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356
Try this:
function delete_cookie( name, path, domain ) {
if( get_cookie( name ) ) {
docu...
Which is faster in Python: x**.5 or math.sqrt(x)?
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93
math.sqrt(x) is significantly faster than x**0.5.
import math
N = 1000000
%%timeit
for i in r...