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Unable to set data attribute using jQuery Data() API

...ata- attributes are pulled in the first time the data property is accessed and then are no longer accessed or mutated (all data values are then stored internally in jQuery) This was also covered on Why don't changes to jQuery $.fn.data() update the corresponding html 5 data-* attributes? The demo...
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Set size on background image with CSS?

...ired result if you need the image to be background for some other content (and it will not repeat itself like you seems to want)... CSS3 unleash the powers This is possible to do in CSS3 with background-size. All modern browsers support this, so unless you need to support old browsers, this is the w...
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Difference of keywords 'typename' and 'class' in templates?

... typename and class are interchangeable in the basic case of specifying a template: template<class T> class Foo { }; and template<typename T> class Foo { }; are equivalent. Having said that, there are specific cases ...
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What's the difference between “ ” and “ ”?

... One is non-breaking space and the other is a regular space. A non-breaking space means that the line should not be wrapped at that point, just like it wouldn’t be wrapped in the middle of a word. Furthermore as Svend points out in his comment, non-...
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What is __pycache__?

From what I understand, a cache is an encrypted file of similar files. 10 Answers 10 ...
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What is the difference between user variables and system variables?

What is the difference between user variables such as PATH , TMP , etc. and system variables? 5 Answers ...
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Rails raw SQL example

How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql. ...
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Linux command to list all available commands and aliases

Is there a Linux command that will list all available commands and aliases for this terminal session? 20 Answers ...
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What Android tools and methods work best to find memory/resource leaks? [closed]

I've got an Android app developed, and I'm at the point of a phone app development where everything seems to be working well and you want to declare victory and ship, but you know there just have to be some memory and resource leaks in there; and there's only 16mb of heap on the Android and its appa...
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How does Tortoise's non recursive commit work?

...older structure). So basically there are a lot of deletions (of old files) and additions (of new files). 10 Answers ...