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Relative paths in Python
I'm building a simple helper script for work that will copy a couple of template files in our code base to the current directory. I don't, however, have the absolute path to the directory where the templates are stored. I do have a relative path from the script but when I call the script it treats t...
Vibrate and Sound defaults on notification
I'm trying to get a default vibrate and sound alert when my notification comes in, but so far no luck. I imagine it's something to do with the way I set the defaults, but I'm unsure of how to fix it. Any thoughts?
...
Compare two dates with JavaScript
...the result.
var oDateOne = new Date();
var oDateTwo = new Date();
alert(oDateOne - oDateTwo === 0);
alert(oDateOne - oDateTwo < 0);
alert(oDateOne - oDateTwo > 0);
share
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imp...
Installing python module within code
I need to install a package from PyPi straight within my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
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“elseif” syntax in JavaScript
...completely equivalent if the conditions don't return booleans, e.g. if([]) alert('a') produces the alert but switch(true){case []:alert('a')} doesn't. That's because [] is a truthy value but not equal to true, as @zwol explained in this edit.
– Oriol
Mar 27 '16...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...', function(e) {
e.preventDefault();
var touch = e.touches[0];
alert(touch.pageX + " - " + touch.pageY);
}, false);
This works in most WebKit based browsers (incl. Android).
Here is some good documentation.
sh...
Image loaded event in for ng-src in AngularJS
...nt, attrs) {
element.bind('load', function() {
alert('image is loaded');
});
element.bind('error', function(){
alert('image could not be loaded');
});
}
};
});
HTML:
<img ng-src="{{src}}" imageonload /...
When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
7 Answers
7
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Timeout a command in bash without unnecessary delay
...asking for:
http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3
#!/bin/bash
#
# The Bash shell script executes a command with a time-out.
# Upon time-out expiration SIGTERM (15) is sent to the process. If the signal
# is blocked, then the subsequent SIGKILL (9) terminate...
Reference - What does this error mean in PHP?
...Cannot modify header information - headers already sent
Happens when your script tries to send an HTTP header to the client but there already was output before, which resulted in headers to be already sent to the client.
This is an E_WARNING and it will not stop the script.
A typical example woul...