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A Regex that will never be matched by anything
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This is actually quite simple, although it depends on the implementation / flags*:
$a
Will match a character a after the end of the string. Good luck.
WARNING:
This expression is expensive -- it will scan the entire line, find the en...
Send file using POST from a Python script
...Piotr DobrogostPiotr Dobrogost
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What is the most “pythonic” way to iterate over a list in chunks?
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Finally got a chance to play around with this in a python session. For those who are as confused as I was, this is feeding the same iterator to izip_longest multiple times, causing it to consume successive values of the same seq...
The most accurate way to check JS object's type?
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edited Jan 17 '14 at 20:25
George Stocker
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Remove property for all objects in array
...the performances of your applications. You can't avoid it if you want to really remove a property but you often can either set the property to undefined or just build new objects without the property.
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Weird PHP error: 'Can't use function return value in write context'
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edited Oct 20 '14 at 16:34
answered May 5 '14 at 17:28
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What is an idiomatic way of representing enums in Go?
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great examples (I did not recall the exact iota behaviour - when it is incremented - from the spec). Personally I like to give a type to an enum, so it can be type-checked when used as argument, field, etc.
– mna
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Null coalescing in powershell
...t the Powershell versions involving functions/aliases will always evaluate all arguments. If this is a problem, use the if expression form.
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
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– Johannes Schaub - litb
Apr 11 '11 at 20:15
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Iterating over all the keys of a map
Is there a way to get a list of all the keys in a Go language map? The number of elements is given by len() , but if I have a map like:
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