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How can I select random files from a directory in bash?
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You are right. My previous solution didn't work for file names containing newlines and probably breaks on others with certain special characters, too. I've updated my answer to use null-termination instead of newlines.
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Difference between File.separator and slash in paths
...t documented, but in the absense of finding an official reference (because my memory isn't perfect), I'd stick with using File.separator because you know that will work.
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Original purpose of ? [closed]
...id
For example
<?php
if(isset($_POST['delete_action'])) {
mysqli_query($connection, "DELETE FROM table_name
WHERE record_id = ".$_POST['row_to_be_deleted']);
//Here is where hidden field value is used
}
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Best way to remove an event handler in jQuery?
...red method is using the on()/off() functions. The below would now be,
$('#myimage').click(function() { return false; }); // Adds another click event
$('#myimage').off('click');
$('#myimage').on('click.mynamespace', function() { /* Do stuff */ });
$('#myimage').off('click.mynamespace');
jQuery &...
Determine font color based on background color
..."perceptive luminance" - it really looks better! Already implemented it in my software, looks great.
Edit 2
@WebSeed provided a great working example of this algorithm: http://codepen.io/WebSeed/full/pvgqEq/
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How to load an ImageView by URL in Android? [closed]
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I wrote a class to handle this, as it seems to be a recurring need in my various projects:
https://github.com/koush/UrlImageViewHelper
UrlImageViewHelper will fill an
ImageView with an image that is found
at a URL.
The sample will do a Google Image
Search and load/show the resul...
JavaScript property access: dot notation vs. brackets?
...ws the use of characters that can't be used with dot notation:
var foo = myForm.foo[]; // incorrect syntax
var foo = myForm["foo[]"]; // correct syntax
including non-ASCII (UTF-8) characters, as in myForm["ダ"] (more examples).
Secondly, square bracket notation is useful when dealing with
pr...
Regex select all text between tags
...erformed this search in Sublime Text so I did not have to use modifiers in my regex.
Javascript does not support lookbehind
The above example should work fine with languages such as PHP, Perl, Java ...
Javascript, however, does not support lookbehind so we have to forget about using (?<=(<pr...
How do I debug Node.js applications?
...to the browser console since v0.1. node-codein was just buggy. So, I wrote my own module to help with debugging by allowing you to dump objects and such out to your web browser console. I thought it may be of use to someone else: node-monkey. Plus it works in both Firefox AND Chrome.
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IPN vs PDT in Paypal
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@Tom: My implementation is: When either a PDT or an IPN comes in, read the parameters and try to process the payment. The processor A) blocks out other simultaneous processing (for that user) and B) checks to see if it's been proc...