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Does Foreign Key improve query performance?
Suppose I have 2 tables, Products and ProductCategories. Both tables have relationship on CategoryId. And this is the query.
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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console.log([...Array(5).keys()]);
(ES6 credit to nils petersohn and other commenters)
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How to store decimal values in SQL Server?
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That gives you a total of 18 digits, 4 of which after the decimal point (and 14 before the decimal point).
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High Quality Image Scaling Library [closed]
...'s a nicely commented Image Manipulation helper class that you can look at and use. I wrote it as an example of how to perform certain image manipulation tasks in C#. You'll be interested in the ResizeImage function that takes a System.Drawing.Image, the width and the height as the arguments.
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Can a unit test project load the target application's app.config file?
...to play around with the .testrunconfig at all.
– Rowland Shaw
Jan 14 '09 at 12:20
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How to remove a key from a Python dictionary?
...y', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To delete a key that is guaranteed to exist, you can also use
del my_dict['key']
This wil...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...ing a query string to be sent to a web server - when do you use escape() and when do you use encodeURI() or encodeURIComponent() :
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Resetting a multi-stage form with jQuery
I have a form with a standard reset button coded thusly:
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css z-index lost after webkit transform translate3d
...e translate3d webkit transform to animate these elements off the screen, and then back onto the screen. After the transform, the elements no longer respect their set z-index values.
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jQuery and AJAX response header
So I've got this jQuery AJAX call, and the response comes from the server in the form of a 302 redirect. I'd like to take this redirect and load it in an iframe, but when I try to view the header info with a javascript alert, it comes up null, even though firebug sees it correctly.
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