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Fastest way to convert string to integer in PHP

Using PHP, what's the fastest way to convert a string like this: "123" to an integer? 8 Answers ...
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Move entire line up and down in Vim

In Notepad++, I can use Ctrl + Shift + Up / Down to move the current line up and down. Is there a similar command to this in Vim? I have looked through endless guides, but have found nothing. ...
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T-SQL split string

I have a SQL Server 2008 R2 column containing a string which I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated. ...
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Round to at most 2 decimal places (only if necessary)

I'd like to round at most 2 decimal places, but only if necessary . 79 Answers 79 ...
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Padding characters in printf

I am writing a bash shell script to display if a process is running or not. 13 Answers ...
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How to check if a float value is a whole number

I am trying to find the largest cube root that is a whole number, that is less than 12,000. 13 Answers ...
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Understanding FFT output

I need some help understanding the output of the DFT/FFT computation. 4 Answers 4 ...
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Strange \n in base64 encoded string in Ruby

The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example: 6 Ans...
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How to read from standard input in the console?

I would like to read standard input from the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#. ...
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How does database indexing work? [closed]

Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level? ...