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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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dumpsys meminfo命令如下（使用频率非常高，非常高效，我的最爱之一，平时一般关注几个重要的Object个数即可判断一般的泄露；当然了，adb shell dumpsys meminfo不跟参数直接展示系统所有内存状态）：
leakcanary神器使用这里先不...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...NGO内置的建模语言是一种描述性语言，用它可以描述现实世界中的一些问题，然后再借助于LINGO求解器求解。因此，集属性的值一旦在模型中被确定，就不可能再更改。在LINGO中，只有在初始部分中给出的集属性值在以后的求解...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...同的模样，是用来说明了用途。由于Windows是用C写成的，世界上的程序员好像也是用C语言的最多，所以Windows所有编程资料发布的格式也是C格式。
上面的声明用汇编的格式来表达就是：
MessageBox Proto hWnd:dword,lpText:dword,lpC...
Is there a way to use SVG as content in a pseudo element :before or :after
...dex.html I have:
<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>
And my test.svg looks like this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline p...
Best way to display decimal without trailing zeroes
... static void Main(string[] args)
{
var dList = new decimal[] { 20, 20.00m, 20.5m, 20.5000m, 20.125m, 20.12500m, 0.000m };
foreach (var d in dList)
Console.WriteLine(d.ToString("0.#####"));
}
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...NO);
NSLog(@"%d", TRUE == NO);
NSLog(@"%d", YES == NO);
The output is:
2013-02-19 20:30:37.061 BooleanTests[27433:a0f] 1
2013-02-19 20:30:37.061 BooleanTests[27433:a0f] 1
2013-02-19 20:30:37.072 BooleanTests[27433:a0f] 1
2013-02-19 20:30:37.073 BooleanTests[27433:a0f] 1
2013-02-19 20:30:37.073 B...
List comprehension on a nested list?
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201
Here is how to convert nested for loop to nested list comprehension:
Here is how nested lis...
~x + ~y == ~(x + y) is always false?
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edited Jun 20 '12 at 13:47
answered Jun 20 '12 at 2:35
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Types in MySQL: BigInt(20) vs Int(20)
...ious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size.
...
Insert a line break in mailto body
...%0A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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