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Simplest way to profile a PHP script
... dated 2004, the extension is no longer maintained and has various compability issues (see comments).
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Join strings with a delimiter only if strings are not null or empty
This feels like it should be simple, so sorry if I'm missing something here, but I'm trying to find a simple way to concatenate only non-null or non-empty strings.
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Difference between String#equals and String#contentEquals methods
...nce) and does not check if the other object is also an instance of String. It can be anything as long as it is an implementation of CharSequence which covers a.o. String, StringBuilder, StringBuffer, CharBuffer, etc.
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Select multiple images from android gallery
...ges . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don't want to use a custom adapter but just the vanilla one.
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JQuery to load Javascript file dynamically
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Yes, use getScript instead of document.write - it will even allow for a callback once the file loads.
You might want to check if TinyMCE is defined, though, before including it (for subsequent calls to 'Add Comment') so the code might look something like this:
$('...
How to check if a value exists in an array in Ruby
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edited Apr 29 '16 at 12:02
Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
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Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
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Xcode 4 - “Archive” is greyed out?
...es menu in the top left where you used to select between simulator/device. It won’t let you archive a build for the simulator.
Or you may find that if the iOS device is already selected the archive box isn’t selected when you choose “Edit Schemes” => “Build”.
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...when my page gets shared?
Facebook has a set of open-graph meta tags that it looks at to decide which image to show.
The keys one for the Facebook image are:
<meta property="og:image" content="http://ia.media-imdb.com/rock.jpg"/>
<meta property="og:image:secure_url" content="https://...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
I had the same question as asked here: New git repository in root directory to subsume an exist repository in a sub-directory
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