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怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...个参与者，一 个是windows系统，它主要负责投递消息，收不收是用户线程的事，另一个就是用户线程，它主要负责取出消息并处理消息，即使用户线程因为睡眠或者根本 就没有设定消息循环，系统还是会投递的，系统和用户线程...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...检测器在指示的画布上侦听比例手势。 请注意，此处的输入是 Canvas1 组件本身，它是从 Canvas1 抽屉底部的“组件”块中获取的。 （这里插入 myCanvas 插槽的块必须是 Canvas 组件块，否则应用程序会崩溃。）
最后，还有一个 Canvas1...
Random float number generation
How do I generate random floats in C++?
14 Answers
14
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How to detect total available/free disk space on the iPhone/iPad device?
...using NSUInteger instead of stuff like uint64_t ? We're writing Obj-C, not C++ or C. NSUInteger will give you an unsigned 64 bit integer now, but if things happen to change I imagine that Apple will update that Macro (let's say 128 bits at some point, becomes real)
– Goles
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Does Java have buffer overflows?
...s:
If you call native code via JNI
In the JVM itself (usually written in C++)
The interpreter or JIT compiler does not work correctly (Java bytecode mandated bounds checks)
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Why is processing a sorted array slower than an unsorted array?
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Good reason why everything you learn in C/C++ doesn't apply verbatim to a language like C#!
– user541686
Dec 24 '12 at 17:48
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ Lock-free Hazard Pointer（冒险指针）hazard_pointer1 Safe Reclamation MethodsFolly 的 Hazard Pointer 实现中有一段注释，详细描述了 C++ 里几种主流的安全内存回收方法，列表如下：优点缺点场景Locking易用读高开销
1. Safe Reclamation Methods
Fo...
Undefined reference to static class member
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The problem comes because of an interesting clash of new C++ features and what you're trying to do. First, let's take a look at the push_back signature:
void push_back(const T&)
It's expecting a reference to an object of type T. Under the old system of initialization, such...
Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
Linux C/C++进程单实例互斥代码分享linux-process-singleton分享一段LinuxC C++程序只能启动一份实例的实现代码，原理是通过文件锁互斥实现，最重要的是考虑了不同用户运行同一程序互斥的场景，已经过充分的测试，可直接用于实际项...
Why is Java Vector (and Stack) class considered obsolete or deprecated?
...thods, etc. The same applies for implementers of Map and so on. Meanwhile, C++ does have a std::array class, which is just a template-based replacement for C-style static length arrays.
– JAB
May 14 '14 at 15:07
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