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Setting variable to NULL after free
In my company there is a coding rule that says, after freeing any memory, reset the variable to NULL . For example ...
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Better way to get type of a Javascript variable?
Is there a better way to get the type of a variable in JS than typeof ? It works fine when you do:
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How to write log to file
I'm trying to write to a log file with Go.
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Does assignment with a comma work?
Why does aaa = 1,2,3 work and set the value of aaa to 1 ?
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Why is lazy evaluation useful?
I have long been wondering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
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How to kill all processes matching a name?
Say I want to kill every process containing the word amarok. I can print out the commands I want to execute. But how do I actually make the shell execute them. ie.
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Format Float to n decimal places
I need to format a float to "n"decimal places.
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How do I sort a list of dictionaries by a value of the dictionary?
I have a list of dictionaries and want each item to be sorted by a specific property values.
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Best way to select random rows PostgreSQL
I want a random selection of rows in PostgreSQL, I tried this:
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How many spaces will Java String.trim() remove?
In Java, I have a String like this:
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