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XXX.cc:100: error: ‘::strerror’ has not been declared - C/C++ - 清泛网 - 专注C/C++及内核技术
XXX.cc:100: error: ‘::strerror’ has not been declared#include <string.h>解决。#include <string.h> 解决。strerror
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - C/...
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared#include <pthread.h>#include <signal.h>除了pthread.h外，还要引入signal.h头文件才行，解决。#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。pthread_kill
Difference between res.send and res.json in Express.js
...re not valid JSON.
The method also uses the json replacer and json spaces application settings, so you can format JSON with more options. Those options are set like so:
app.set('json spaces', 2);
app.set('json replacer', replacer);
And passed to a JSON.stringify() like so:
JSON.stringify(value,...
Difference between == and === in JavaScript [duplicate]
...ce is subtle. If you were to assign new String() to two different objects, s1 and s2, the valueOf() method on each would return a string primitive for each, and s1.valueOf() === s2.valueOf() would return true.
– danorton
Feb 14 '13 at 23:26
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Does Java support default parameter values?
...ter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Jun 15 '09 at 18:14
Kathy Van StoneKathy Van Stone
...
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...
Can I call an overloaded constructor from another constructor of the same class in C#?
...
{
public foo(){}
public foo(string s ) { }
public foo (string s1, string s2) : this(s1) {....}
}
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Coroutine vs Continuation vs Generator
... |
edited Apr 7 '13 at 22:35
answered Apr 3 '09 at 21:29
zv...
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...
String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]
... according to your first comment to me : why this code string s1 = "hello";string s2 = "héllo"; s1.Equals(s2, StringComparison.InvariantCulture) return False ? you said that a and à is treated the same...
– Royi Namir
Jan 11 '13 at 18:01
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