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Ternary operator is twice as slow as an if-else block?

... jle 000000A0 00000084 8B 44 96 08 mov eax,dword ptr [esi+edx*4+8] 33: { 34: if (i > 0) 00000088 85 C0 test eax,eax 0000008a 7E 08 jle 00000094 35: ...
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How to see top processes sorted by actual memory usage?

....0 4.4 660620 168488 pts/0 Sl+ 11:01 0:08 unicorn_rails worker[1] -p 3000 -E development -c config/unicorn.rb ciro 5147 0.0 4.5 660556 170920 pts/0 Sl+ 11:01 0:08 unicorn_rails worker[0] -p 3000 -E development -c config/unicorn.rb ciro 5142 0.1 6.3 ...
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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

...Paint的实例化操作不要写在onDraw()方法中等); 对于并发下载等类似逻辑的实现尽量避免多次创建线程对象,而是交给线程池处理。 当然了,有了上面说明GC导致的性能后我们就该定位分析问题了,可以通过运行DDMS->Allocation T...
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为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...cmd 命令行输入ant命令出现以上结果证明配置成功。 源码下载https://github.com/mit-cml/appinventor-sources国内下载非常非常缓慢,这个项目比较大,也许2天都下载不完,不过没关系,我们早已提供已下载好的工程源码,关注页面顶部公...
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How do I spool to a CSV formatted file using SQLPLUS?

... , 10 7788,SCOTT ,ANALYST , 7566,09-DEC-82, 3000, , 20 7839,KING ,PRESIDENT, ,17-NOV-81, 5000, , 10 7844,TURNER ,SALESMAN , 7698,08-SEP-81, 1500, , 30 7876,ADAMS ,CLER...
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Is there a way for non-root processes to bind to “privileged” ports on Linux?

... setup a local SSH tunnel, eg if you want port 80 to hit your app bound to 3000: sudo ssh $USERNAME@localhost -L 80:localhost:3000 -N This has the advantage of working with script servers, and being very simple. share ...
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Difference between .on('click') vs .click()

...at's a big deal for me though - I am looking for this because i have up to 3000 questions on a page that need events. One milisec each makes my page take 3 seconds longer to perform. Your comment isn't helpful for big lists. – Randy Mar 24 '16 at 9:39 ...
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Express: How to pass app-instance to routes from a different file?

...re('./routes'); routes.forEach(route => app.get(...route)); app.listen(3000, function() { console.log('Application is listening on port 3000'); }); Another version: you can customize this according to your own needs, like adding post request // routes.js It's just a mapping. let get = ({pa...
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BugTrap:程序崩溃快照、bug跟踪之利器 - C/C++ - 清泛网 - 专注C/C++及内核技术

...之利器BugTrap的github官网地址:https: github com bchavez BugTrap下载源码可使用CMake进行编译,这里提供一下编译好的dll及lib文件(Unicode BugTrap的github官网地址:https://github.com/bchavez/BugTrap 下载源码解压后可直接进行编译, 这里提...
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XP风格按钮的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...一:利用XPButton类实现具体操作步骤如下:1.从互联网上下载XPButton类;2.创建基于对话框的MFC工程Test,将下载的XPButton.cpp和XPButt...方法一:利用XPButton类实现 具体操作步骤如下: 1.网上下载XPButton类;请参考《【工程源码】XPButto...