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Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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What does template mean?
...er parameter:
template<unsigned int S>
struct Vector {
unsigned char bytes[S];
};
// pass 3 as argument.
Vector<3> test;
Template pointer parameter (passing a pointer to a function)
template<void (*F)()>
struct FunctionWrapper {
static void call_it() { F(); }
};
// pa...
Split large string in n-size chunks in JavaScript
I would like to split a very large string (let's say, 10,000 characters) into N-size chunks.
22 Answers
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How to convert QString to std::string?
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That's true - I was thinking about const char *x = qs.ToUtf8().constData(). Still, isn't it easier to just call qs.toStdString()?
– Vitali
Dec 6 '11 at 14:36
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How do you print out a stack trace to the console/log in Cocoa?
...#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int main(int argc, char *argv[])
{
@autoreleasepool {
int retval;
@try{
retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
@catch (NSException *exception)
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What does .class mean in Java?
...lass.getName() ::: " + int.class.getName());
System.out.println("char.class.getName() ::: " + char.class.getName());
System.out.println("long.class.getName() ::: " + long.class.getName());
}
}
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How to remove all line breaks from a string
...\r\n, on WinDOS). (Contrary to another answer, this has nothing to do with character encoding.)
Therefore, the most efficient RegExp literal to match all variants is
/\r?\n|\r/
If you want to match all newlines in a string, use a global match,
/\r?\n|\r/g
respectively. Then proceed with the ...
Concatenating two std::vectors
...t;
#include <iostream>
#include <iterator>
int main(int argc, char** argv) {
std::vector<int> dest{1,2,3,4,5};
std::vector<int> src{6,7,8,9,10};
// Move elements from src to dest.
// src is left in undefined but safe-to-destruct state.
dest.insert(
dest.end(...
How do you write multiline strings in Go?
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@KyleHeuton: Presumably Daniele D is using the backtick character in his/her SQL queries (as MySQL users often do), and finds it painful to have to represent it as ` + "`" + ` and break copy-and-pastability.
– ruakh
Nov 29 '18 at 21:55
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C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(void){ cout << "DerivedAgain::foo()"<< endl; }
} ;
int main(int argc, char** argv)
{
DerivedAgain da;
Base* pB = &da;
da.foo();
pB->foo();
return 0;
}
上述代码运行结果是什么？等等，你确定上述代码能通过编译？在笔者Ubuntu 12.04 + gcc...