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Catch Ctrl-C in C
...
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) {
signal(SIG...
Heroku NodeJS http to https ssl forced redirect
I have an application up and running on heroku with express on node with https,. How do I identify the protocol to force a redirect to https with nodejs on heroku?
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
I'm having a little trouble understanding the pass-by-reference properties of data.table . Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening.
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How can I do width = 100% - 100px in CSS?
... for example it was displaying as calc(94%), I had to escape it as follows and now it works width: calc(~"100% - 6px");
– nsilva
Apr 19 '16 at 12:53
14
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...returns the index of the item in the array if the first argument is found, and it returns -1 if its not found. This means that if you're looking for a boolean of "is this value in the array?", you can't do a boolean comparison, since -1 is a truthy value, and when $.inArray returns 0 (a falsy value)...
HTML inside Twitter Bootstrap popover
...since it belongs to <a href="#" that's why it wasn't working, change it and it's all good.
Here is working JSFiddle which shows you how to create bootstrap popover.
Relevant parts of the code is below:
HTML:
<!--
Note: Popover content is read from "data-content" and "title" tags.
-->
<a...
How can I symlink a file in Linux? [closed]
I want to make a symbolic link in Linux. I have written this Bash command where the first path is the folder I want link into and the second path is the compiled source.
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Fatal error: Class 'SoapClient' not found
I'm trying a simple web service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file:
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Can I have an onclick effect in CSS?
...he style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of JavaScript.
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Get generic type of java.util.List
...lass java.lang.Integer.
}
}
You can also do that for parameter types and return type of methods.
But if they're inside the same scope of the class/method where you need to know about them, then there's no point of knowing them, because you already have declared them yourself.
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