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Convert light frequency to RGB?
Does anyone know of any formula for converting a light frequency to an RGB value?
9 Answers
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How to declare strings in C [duplicate]
Can anyone explain me what is a difference between these lines of code
4 Answers
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...线程编程的基本方法及同步机制，还介绍了进程间通信IPC（InterProcess Communication）的几种方式。并通过一定的实例介绍相关技术在实际中的运用情况，使读者能够对Linux环境下进程与线程编程在整体上有一定的把握。
关键字：Lin...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++特化模板函数的符号多重定义错误问题error LNK2005: "void __stdcall SerializeElements<class CLogEvent> ...fatal error LNK1169: 找到一个或多个多重定义的符号.我...特化模板函数SerializeElements时，报重复定义的错误，如下：
error LNK2005: "void __std...
Is 'float a = 3.0;' a correct statement?
... @ChristianHackl Converting 4.2 to 4.2f may have the side effect of setting the FE_INEXACT flag, depending on the compiler and system, and some (admittedly few) programs do care about which floating-point operations are exact, and which aren't, and test for that flag. This means that the simp...
Efficiently replace all accented characters in a string?
For a poor man's implementation of near -collation-correct sorting on the client side I need a JavaScript function that does efficient single character replacement in a string.
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...You can do the following or similar in your parent's viewDidLoad method to setup the first childViewController:
[self addChildViewController:self.currentViewController];
[self.view addSubview:self.currentViewController.view];
[self.currentViewController didMoveToParentViewController:self];
[self.cu...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
创建增量同步Oracle物化视图问题我们采用Oracle的物化视图增量刷新机制定时将数据库A上的某个表的数据同步到另一个数据库B上。我们常用的最简单的实现步骤是这样。首先在数...我们采用Oracle的物化视图增量刷新机制定时将数...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
OnNotify函数 ON_NOTIFY消息总结函数CWnd::OnNotify处理通知消息。其默认实现是检查通知消息处理函数的消息映射，然后调用。(checks the message map for notificatio...函数CWnd::OnNotify处理通知消息。其默认实现是检查通知消息处理函数的消息...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码，这可能是我看过最干净的C的源码了。
我不想写一篇大而全的语言手册，一方面是因为...