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Deleting an element from an array in PHP

Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element? ...
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How is a CRC32 checksum calculated?

Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web. ...
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adding noise to a signal in python

I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic. 7 Answer...
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Efficient way to determine number of digits in an integer

What is a very efficient way of determining how many digits there are in an integer in C++? 28 Answers ...
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How to get the type of a variable in MATLAB?

Does MATLAB have a function/operator that indicates the type of a variable (similar to the typeof operator in JavaScript)? ...
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Group by multiple columns in dplyr, using string vector input

I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns. 9 Answ...
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Circle line-segment collision detection algorithm?

I have a line from A to B and a circle positioned at C with the radius R. 27 Answers ...
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How do I output text without a newline in PowerShell?

I want my PowerShell script to print something like this: 18 Answers 18 ...
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se

I tried to restart my Apache server on CentOS 5.0 and got this message: 11 Answers 11 ...
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Why do people say there is modulo bias when using a random number generator?

I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++. ...