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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery

... there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery? ...
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What is the purpose of backbone.js?

I tried to understand the utility of backbone.js from its site http://documentcloud.github.com/backbone , but I still couldn't figure out much. ...
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How to add a changed file to an older (not last) commit in Git

I have changed several things over the last hour and committed them step by step, but I just realized I've forgot to add a changed file some commits ago. ...
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sed or awk: delete n lines following a pattern

How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline. ...
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SQL how to make null values come last when sorting ascending

...e with a datetime field. The field in question can be null. I have a query and I want the results sorted ascendingly by the datetime field, however I want rows where the datetime field is null at the end of the list, not at the beginning. ...
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LaTeX Optional Arguments

How do you create a command with optional arguments in LaTeX? Something like: 6 Answers ...
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CAP theorem - Availability and Partition Tolerance

While I try to understand the "Availability" (A) and "Partition tolerance" (P) in CAP, I found it difficult to understand the explanations from various articles. ...
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Running shell command and capturing the output

I want to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line. ...
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Why unsigned integer is not available in PostgreSQL?

...post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer. ...
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Bash if statement with multiple conditions throws an error

I'm trying to write a script that will check two error flags, and in case one flag (or both) are changed it'll echo-- error happened. My script: ...