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How can I add “href” attribute to a link dynamically using JavaScript?
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List comprehension rebinds names even after scope of comprehension. Is this right?
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Yes/No message box using QMessageBox
...MessageBox::question for that.
Example in a hypothetical widget's slot:
#include <QApplication>
#include <QMessageBox>
#include <QDebug>
// ...
void MyWidget::someSlot() {
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, "Test", "Quit?",
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Regular expressions in C: examples?
...) *nixes. Here's an example of using POSIX regexes in C (based on this):
#include <regex.h>
regex_t regex;
int reti;
char msgbuf[100];
/* Compile regular expression */
reti = regcomp(&regex, "^a[[:alnum:]]", 0);
if (reti) {
fprintf(stderr, "Could not compile regex\n");
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Difference between “on-heap” and “off-heap”
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Insert ellipsis (…) into HTML tag if content too wide
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What is an .inc and why use it?
I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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error: ‘NULL’ was not declared in this scope
...ot a keyword. It's an identifier defined in some standard headers. You can include
#include <cstddef>
To have it in scope, including some other basics, like std::size_t.
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What is the difference between String and string in C#?
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