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How do I check if file exists in jQuery or pure JavaScript?
...n('HEAD', url, false);
http.send();
return http.status!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, cal...
`require': no such file to load — mkmf (LoadError)
I was trying to install rails on Ubuntu Natty Narwhal 11.04, using ruby1.9.1.
10 Answers
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Adding local .aar files to Gradle build using “flatDirs” is not working
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The repositories part goes in a different build.gradle in order to work - the global one. The dependencies part goes in the module's build.gradle. That's why I got the error.
– toddmo
Apr 15 '15 at 0:02
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Set selected option of select box
... code into a $(document).ready:
$(function() {
$("#gate").val('gateway_2');
});
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MVC3 DropDownListFor - a simple example?
...in its corresponding properties on the View Model when it's submitted. In order to get this to work I had to create an inner class that had an ID and a value property, then I had to use an IEnumerable<Contrib> to satisfy the DropDownListFor parameter requirements. Now, however, how is M...
How to build query string with Javascript
...the input is the form element (DOM Element)
It doesn't handle fields that allow multiple selection.
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Scatter plot and Color mapping in Python
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Note that the array you pass as c doesn't need to have any particular order or type, i.e. it doesn't need to be sorted or integers as in these examples. The plotting routine will scale the colormap such that the minimum/maximum values in c correspond to the bottom/top of the colormap.
Colorma...
Recommended date format for REST GET API
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REST doesn't have a recommended date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded).
If not having ugly URI is a concern (e.g. not including th...
Regex to match a digit two or four times
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+1 for being mindful of the order needed when using alternation to match 4 digits first, then 2 digits. Also good job providing the other variations.
– Ahmad Mageed
Nov 18 '11 at 2:57
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