大约有 40,000 项符合查询结果(耗时:0.0214秒) [XML]

https://stackoverflow.com/ques... 

The point of test %eax %eax [duplicate]

... the operands (registers) as they are and just set/unset specific internal CPU flags like the zero-flag (ZF). You can think at the ZF as a true/false boolean flag that resides inside the CPU. in this particular case, TEST instruction performs a bitwise logical AND, discards the actual result and s...
https://www.fun123.cn/reference/iot/MQTT.html 

App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网

...它与以前的版本不兼容,但允许使用 SSL/TLS 连接以满足更高的安全要求。 在 MQTT 客户端连接到 MQTT 服务器之前,必须先设置连接参数,然后使用 Connect 方法创建与服务器的连接。ConnectionStateChanged 事件报告连接状态的任...
https://stackoverflow.com/ques... 

Making the Android emulator run faster

... Official web page ~50% faster Windows: Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3 Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_E...
https://stackoverflow.com/ques... 

What is the most effective way for float and double comparison?

... Be extremely careful using any of the other suggestions. It all depends on context. I have spent a long time tracing a bugs in a system that presumed a==b if |a-b|<epsilon. The underlying problems were: The implicit presumption in an algorithm that if a==b and b==c then a==c. ...
https://stackoverflow.com/ques... 

What's the better (cleaner) way to ignore output in PowerShell? [closed]

...ad and > $null has about a 0.3% overhead. Addendum 2017-10-16: I originally overlooked another option with Out-Null, the use of the -inputObject parameter. Using this the overhead seems to disappear, however the syntax is different: Out-Null -inputObject ($(1..1000) | ?{$_ -is [int]}) And no...
https://www.tsingfun.com/it/os... 

理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问...
https://stackoverflow.com/ques... 

Simple proof that GUID is not unique [closed]

...(OutOfMemoryException) { // Release the ram we allocated up front. // Actually, these are pointless too. //GC.KeepAlive(reserveSomeRam); //GC.Collect(); } Console.WriteLine("{0:u} - Built bigHeapOGuid...
https://stackoverflow.com/ques... 

Mismatch Detected for 'RuntimeLibrary'

...racted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path so I can easi...
https://stackoverflow.com/ques... 

How to discover number of *logical* cores on Mac OS X?

...id-2011 1.7GHz MacBook Air, this command says 4. However, I suspected it really only has 2 cores, and system_profiler SPHardwareDataType seems to agree. Can you explain the discrepancy? – Joshua Flanagan Sep 24 '11 at 1:42 ...
https://www.tsingfun.com/it/cpp/1282.html 

解决:Run-Time Check Failure #0,The value of ESP was not properly sav...

...常。 所以把在函数定义中进行设置调用规则即可解决此问题。 如: typedef void (__stdcall Foo)(int a); typedef int ( *PFUN)(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType); void CTestProcessMonitorDlg::OnBnClickedButton1() { // TODO: Add your contro...