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Resolve build errors due to circular dependency amongst classes
... A.h
class A {
B _b;
};
// file: B.h
class B {
A _a;
};
// file main.cc
#include "A.h"
#include "B.h"
int main(...) {
A a;
}
When you are compiling the .cc file (remember that the .cc and not the .h is the unit of compilation), you need to allocate space for object A. So, well, how much sp...
Best timestamp format for CSV/Excel?
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For second accuracy, yyyy-MM-dd HH:mm:ss should do the trick.
I believe Excel is not very good with fractions of a second (loses them when interacting with COM object IIRC).
sha...
String was not recognized as a valid DateTime “ format dd/MM/yyyy”
I am trying to convert my string formatted value to date type with format dd/MM/yyyy .
13 Answers
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Linux command (like cat) to read a specified quantity of characters
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How to open, read, and write from serial port in C?
... tty.c_oflag = 0; // no remapping, no delays
tty.c_cc[VMIN] = 0; // read doesn't block
tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // shut off xon/xoff ctrl
tty.c_cflag |= (CLOCA...
momentJS date string add 5 days
i have a start date string "20.03.2014" and i want to add 5 days to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
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brew install mysql on macOS
...hAgents]$ ls com.adobe.ARM.202f4087f2bbde52e3ac2df389f53a4f123223c9cc56a8fd83a6f7ae.plist com.mysql.mysqld.plist com.facebook.videochat.ava.plist homebrew.mxcl.postgresql.plist` under ` ~/Library/LaunchAgents` but unloading them gives launchctl: Couldn't stat(...
Single quotes vs. double quotes in C or C++
...instance:
const uint32_t png_ihdr = 'IHDR';
The resulting constant (in GCC, which implements this) has the value you get by taking each character and shifting it up, so that 'I' ends up in the most significant bits of the 32-bit value. Obviously, you shouldn't rely on this if you are writing plat...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...上面int 21h/ah=9的调用写成下面这副样子：
call PrintString, addr szHello
终于，好消息出来了，Win32环境中的编程接口就是这个样子，这就是API，它实际上是以一种新的方法代替了DOS中用软中断的方式。和DOS的结构相比，Win32的系统...
How do I get today's date in C# in mm/dd/yyyy format?
How do I get today's date in C# in mm/dd/yyyy format?
8 Answers
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