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What is the __del__ method, How to call it?
I am reading a code. There is a class in which __del__ method is defined. I figured out that this method is used to destroy an instance of the class. However, I cannot find a place where this method is used. The main reason for that is that I do not know how this method is used, probably not like ...
Split list into multiple lists with fixed number of elements
How to split a List of elements into lists with at most N items?
5 Answers
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How to create empty text file from a batch file?
Can somebody remember what was the command to create an empty file in MSDOS using BAT file?
13 Answers
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How to force R to use a specified factor level as reference in a regression?
How can I tell R to use a certain level as reference if I use binary explanatory variables in a regression?
6 Answers
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Reference - What does this error mean in PHP?
This is a number of answers about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them. This is also a Community Wiki, so everyone is invited to participate adding to and maintaining this list.
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When and why I should use session_regenerate_id()?
Why and when should I use the session_regenerate_id() function in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
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OPTION (RECOMPILE) is Always Faster; Why?
I encountered an odd situation where appending OPTION (RECOMPILE) to my query causes it to run in half a second, while omitting it causes the query to take well over five minutes.
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Algorithm for Determining Tic Tac Toe Game Over
I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over:
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Embedding ads on Android app?
I would like to make a free version of the Android app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is specialized in mobile advertising?
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Fixed point vs Floating point number
I just can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
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