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How can I check whether a radio button is selected with JavaScript?
...Female" value="Female" />
For client-side validation, here's some Javascript to check which one is selected:
if(document.getElementById('gender_Male').checked) {
//Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
//Female radio button is checked
}
...
Search and replace in bash using regular expressions
... calls external tools for every tiny little task. Also, well-written shell scripts will benefit from faster interpreters (like ksh93, which has performance on par with awk), whereas poorly-written ones there's nothing to be done for.
– Charles Duffy
Aug 10 '15 ...
Doing something before program exit
...ion or something that will be executed before your program quits? I have a script that will be constantly running in the background, and I need it to save some data to a file before it exits. Is there a standard way of doing this?
...
How to find the php.ini file used by the command line?
... Nobody mentioned, that it's possible to take that value from script by calling php_ini_loaded_file and when needed php_ini_scanned_files
– Radek Benkel
Nov 28 '12 at 13:20
...
Shorten string without cutting words in JavaScript
I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
...
Jquery - How to make $.post() use contentType=application/json?
...
I ended up adding the following method to jQuery in my script:
jQuery["postJSON"] = function( url, data, callback ) {
// shift arguments if data argument was omitted
if ( jQuery.isFunction( data ) ) {
callback = data;
data = undefined;
}
return j...
Shards and replicas in Elasticsearch
... I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?).
...
How to update Python?
... be unzipped into a fresh directory and then App\lib\site-packages and App\Scripts could be copied to the new installation, but if this didn't work then reinstalling all packages might have been necessary. Use pip list to see what packages were installed and their versions. Some were installed by Po...
Responsive image map
...rial on how to do this.
Here is jsfiddle with some nice hover effects, description and links: http://jsfiddle.net/eLbpmsaj/
.hover_group:hover {
opacity: 1;
}
#projectsvg {
position: relative;
width: 100%;
padding-bottom: 77%;
vertical-align: middle;
margin: 0;
overflo...
How to escape single quotes within single quoted strings
...d reopens the string.
I often whip up a "quotify" function in my Perl scripts to do this for me. The steps would be:
s/'/'\\''/g # Handle each embedded quote
$_ = qq['$_']; # Surround result with single quotes.
This pretty much takes care of all cases.
Life gets more fun when you introd...