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Is < faster than
Is if( a &lt; 901 ) faster than if( a &lt;= 900 ) .
14 Answers
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Creating a singleton in Python
...question is not for the discussion of whether or not the singleton design pattern is desirable, is an anti-pattern, or for any religious wars, but to discuss how this pattern is best implemented in Python in such a way that is most pythonic. In this instance I define 'most pythonic' to mean that it ...
How to determine whether a Pandas Column contains a particular value
I am trying to determine whether there is an entry in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data...
Best way to test for a variable's existence in PHP; isset() is clearly broken
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17 Answers
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Access multiple elements of list knowing their index
...eed to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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Pointer vs. Reference
What would be better practice when giving a function the original variable to work with:
12 Answers
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How to split a delimited string into an array in awk?
How to split the string when it contains pipe symbols | in it.
I want to split them to be in array.
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How to set commands output as a variable in a batch file
Is it possible to set a statement's output of a batch file to a variable, for example:
7 Answers
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Convert camelCaseText to Sentence Case Text
How can I convert a string either like 'helloThere' or 'HelloThere' to 'Hello There' in JavaScript?
20 Answers
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