大约有 5,000 项符合查询结果（耗时：0.0257秒） [XML]
How would you go about parsing Markdown? [closed]
...68 SLOC for the parser, 43 SLOC for the HTML emitter), yet blazingly fast (20% faster than discount (written in hand-optimized C) and sixhundred times faster than BlueCloth (Ruby)), despite the fact that it isn't even optimized for performance yet. Because it is only intended for internal use by Mau...
Alternatives to gprof [closed]
...es have to be frequent in order to hit it. But, if the problem is costing, 20%, say, out of a total running time of 10 sec (or whatever), then each sample in that total time will have a 20% chance of hitting it, no matter if the problem occurs in a single piece like this
.....XXXXXXXX..................
Convert a list of characters into a string
...performance of this line counts in my program, the result shows it's about 20% faster then ''.join(['a','b','c'])
– bigeagle
Apr 8 '12 at 7:05
2
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is_null($x) vs $x === null in PHP [duplicate]
... Program execution time tends to follow a Pareto distribution i.e. ~20% of the codebase is responsible for ~80% of the runtime (when its not 10/90 or even 1/99). So, ya, this kind of microoptimization won't usually buy you much.
– Marcel Hernandez
May 31...
Integer division with remainder in JavaScript?
...
Conclusion: Use (a/b>>0) (or (~~(a/b)) or (a/b|0)) to achieve about 20% gain in efficiency. Also keep in mind that they are all inconsistent with Math.floor, when a/b<0 && a%b!=0.
share
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How to set up fixed width for ?
... <th style="width: 30%">Col 1</th>
<th style="width: 20%">Col 2</th>
<th style="width: 10%">Col 3</th>
<th style="width: 30%">Col 4</th>
<th style="width: 10%">Col 5</th>
</tr>
</thead>
<tbody...
How do I alias commands in git?
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I think the most useful gitconfig is like this,we always use the 20% function in git,you can try the "g ll",it is amazing,the details:
[user]
name = my name
email = me@example.com
[core]
editor = vi
[alias]
aa = add --all
bv = branch -vv
ba = branch -ra
bd =...
.a: error adding symbols: File format not recognized 原因 - 操作系统(...
...t recognized。也可能出现编译能通过，但ldd报链接失败不能运行。原因是：在低版本Linux GCC上编译工程 Linux编译链接时报错：xxx.a: error adding symbols: File format not recognized。也可能出现编译能通过，但ldd报链接失败不能运行。
原因...
CDHtmlDialog的基本使用（C++调用JS函数的实现） - C/C++ - 清泛网 - 专注IT技能提升
...：
一、在主对话框上添加一个C++按钮，步骤如下：
运行效果如下：
二、为C++按钮添加调用Js的代码：
JSCppInteractive.htm中添加一个js函数供C++调用，代码如下：
<script type="text/javascript">
function CppCallJsFunc() {
alert("JS a...
std::find，std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
printf("find:%s\n", it->c_str());
else
printf("not found.\n");
}
运行结果：
那么，如果容器里的元素是一个类/结构体呢？
来个稍复杂点的例子，其他的可以类推，实现功能如下：
产品、账号多对多的关系，通过产品找到对应的...