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What is “stdafx.h” used for in Visual Studio?
...n I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...tion pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .)
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Are global variables bad? [closed]
In C/C++, are global variables as bad as my professor thinks they are?
28 Answers
28
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Why are preprocessor macros evil and what are the alternatives?
...er be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alternative after so many years?
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Initialization of all elements of an array to one default value in C++?
C++ Notes: Array Initialization has a nice list over initialization of arrays. I have a
13 Answers
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Go > operators
... power of 2) in other languages, but because Go is a safer language than C/C++ it does some extra work when the shift count is a number.
Shift instructions in x86 CPUs consider only 5 bits (6 bits on 64-bit x86 CPUs) of the shift count. In languages like C/C++, the shift operator translates into a ...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...蓝牙，也称为蓝牙LE 或简称 BLE，是一种类似于经典蓝牙的新通信协议，不同之处在于它旨在消耗更少的功耗和成本，同时保持同等的功能。
因此，低功耗蓝牙是与耗电资源有限的物联网设备进行通信的首选。BluetoothLE 扩展需要...
Declaring variables inside loops, good practice or bad practice?
...y information
The open-source tool CppCheck (a static analysis tool for C/C++ code) provides some excellent hints regarding optimal scope of variables.
In response to comment on allocation:
The above rule is true in C, but might not be for some C++ classes.
For standard types and structures, the ...
创业者只需要一种素质：成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...
创业者只需要一种素质：成为某个领域的意见领袖作为一个普通的创业者，即使你有钱，只要你的产品一经推出，100%是有缺点的，只有经过用户的不断体验和磨砺，最终才能成为有口碑的爆款。
关于创业者需要具备哪些素质，...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...end函数和recv函数详解以及利用select()函数来进行指定时间的阻塞int send( SOCKET s, const char FAR *buf, int len, int flags ); 不论是客户还是服务器应用程序都用send函数来向TCP连接的...int send( SOCKET s, const char FAR *buf, int len, int flags );
不论是...