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jQuery to loop through elements with the same class
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Use each: 'i' is the postion in the array, obj is the DOM object that you are iterating (can be accessed through the jQuery wrapper $(this) as well).
$('.testimonial').each(function(i, obj) {
//test
});
Check the api reference for more information.
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How to rollback a specific migration?
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rake db:rollback STEP=1
Is a way to do this, if the migration you want to rollback is the last one applied. You can substitute 1 for however many migrations you want to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration that ...
How do I programmatically determine if there are uncommitted changes?
...working tree or the index). What's the cleanest and most efficient way to do that? A command that exits with a return value of zero in one case and non-zero in the other would suit my purposes.
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Android - get children inside a View?
... View nextChild = ((ViewGroup) viewGroup).getChildAt(index);
}
Will that do?
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In Python, what happens when you import inside of a function? [duplicate]
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Does it re-import every time the function is run?
No; or rather, Python modules are essentially cached every time they are imported, so importing a second (or third, or fourth...) time doesn't actually force them to go thro...
What exactly are DLL files, and how do they work?
How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
9 A...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
...rking on (C# ASP.NET Forum). At the moment, most of the database access is done by building the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
I did a lot of searching and also read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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Remove Safari/Chrome textinput/textarea glow
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Edit (11 years later): Don't do this unless you're going to provide a fallback to indicate which element is active. Otherwise, this harms accessibility as it essentially removes the indication showing which element in a document has focus. Imagine ...
Why is @autoreleasepool still needed with ARC?
For the most part with ARC (Automatic Reference Counting), we don't need to think about memory management at all with Objective-C objects. It is not permitted to create NSAutoreleasePool s anymore, however there is a new syntax:
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