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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
..., take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegr...
Why should a Java class implement comparable?
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10 Answers
10
Active
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...er性能测试
原文地址：http://blog.csdn.net/gongxinheng/archive/2010/03/27/5421914.aspx
by: HengStar 2010/3/27
我是一名游戏开发程序员，研究C++ Boost库已经有一小段时日了，学的越多愈发愈感觉出它的强大，每次学习后在实战项目中高效地使...
How to overload functions in javascript?
...on for .data()
data: function(key, value) {
if (arguments.length === 0) {
// .data()
// no args passed, return all keys/values in an object
} else if (typeof key === "string") {
// first arg is a string, look at type of second arg
if (typeof value !== "...
Get selected element's outer HTML
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2014 Edit : The question and this reply are from 2010. At the time, no better solution was widely available. Now, many of the other replies are better : Eric Hu's, or Re Capcha's for example.
This site seems to have a solutio...
How to change the height of a ?
...
Css:
br {
display: block;
margin: 10px 0;
}
The solution is probably not cross-browser compatible, but it's something at least. Also consider setting line-height:
line-height:22px;
For Google Chrome, consider setting content:
content: " ";
Other than t...
foreach vs someList.ForEach(){}
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edited Jun 30 '16 at 13:16
answered Oct 22 '08 at 14:50
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Remove all special characters with RegExp
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edited Dec 7 '10 at 9:00
answered Dec 7 '10 at 8:55
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
...
How do I check what version of Python is running my script?
...int(sys.version) # parentheses necessary in python 3.
2.5.2 (r252:60911, Jul 31 2008, 17:28:52)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)]
For further processing:
>>> sys.version_info
(2, 5, 2, 'final', 0)
# or
>>> sys.hexversion
34014192
To ensure a script runs with a minim...