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Catch Ctrl-C in C
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With a signal handler.
Here is a simple example flipping a bool used in main():
#include <signal.h>
static volatile int keepRunning = 1;
void intHandler(int dummy) {
keepRunning = 0;
}
// ...
int main(void) {
...
Why does DEBUG=False setting make my django Static Files Access fail?
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With debug turned off Django won't handle static files for you any more - your production web server (Apache or something) should take care of that.
s...
Prevent any form of page refresh using jQuery/Javascript
...on() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script>
The user will be prompted with the message, and given an option to stay on the page or continue on their way. This is becoming more common. Stack Overflow does this if you try to navigate awa...
how to remove X-Powered-By in ExpressJS [duplicate]
I want to remove X-Powered-By for Security,Save Bandwidth in ExpressJS(node.js). how to do it?
it could be filter(app.use) ?
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How to use Git properly with Xcode?
... been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far.
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Auto margins don't center image in page
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add display:block; and it'll work. Images are inline by default
To clarify, the default width for a block element is auto, which of course fills the entire available width of the containing element.
By setting the margin to auto, the browser assi...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
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Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.index...
Automatic post-registration user authentication
...lding a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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Why should you use an ORM? [closed]
...cess more abstract and portable. ORM implementation classes know how to write vendor-specific SQL, so you don't have to.
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
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DateTime cannot be used as a constant but you could make it a nullable type (DateTime?) instead.
Give the DateTime? a default value of null, and if it is set to null at the start of your function, then you can initialize it to any value you want.
static void test(DateTime? dt = n...