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Count with IF condition in MySQL query

I have two tables, one is for news and the other one is for comments and I want to get the count of the comments whose status has been set as approved. ...
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Is it possible to set transparency in CSS3 box-shadow?

Is it possible to set transparency on the box shadow? 1 Answer 1 ...
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error: ‘NULL’ was not declared in this scope

I get this message when compiling C++ on gcc 4.3 6 Answers 6 ...
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how to check redis instance version?

how to check Redis server version? 6 Answers 6 ...
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Two statements next to curly brace in an equation

How can I write an equation with one curly brace ( { ), and on the right-hand side next to the curly, two statements in two different lines? ...
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Why is this F# code so slow?

A Levenshtein implementation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build. ...
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What is q=0.5 in Accept* HTTP headers?

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How to get the first column of a pandas DataFrame as a Series?

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Python unittests in Jenkins?

How do you get Jenkins to execute python unittest cases? Is it possible to JUnit style XML output from the builtin unittest package? ...
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Numpy how to iterate over columns of array?

Suppose I have and m x n array. I want to pass each column of this array to a function to perform some operation on the entire column. How do I iterate over the columns of the array? ...