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Python function global variables?
... value of the result of func_A, or (3) to a local variable x with no value and (in the eyes of the compiler) no relation to "some value" or the x in func_A?
– Akshat Shekhar
May 14 '12 at 18:00
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instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
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Array.push() if does not exist?
...two arguments, this would simplify the case when the added value is inline and not in a variable you can access in your function. array.pushIfNotExist({ name: "tom", text: "tasty" }, function(a,b){ return a.name === b.name && a.text === b.text; });
– Vincent Robert
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Can you make just part of a regex case-insensitive?
...e minus sign will be turned off. E.g. (?i-sm) turns on case insensitivity, and turns off both single-line mode and multi-line mode.
Not all regex flavors support this. JavaScript and Python apply all mode modifiers to the entire regular expression. They don't support the (?-ismx) syntax, since turn...
How to remove the default arrow icon from a dropdown list (select element)?
...ow. There's a pseudo-element for the dropdown arrow on IE:
select::-ms-expand {
display: none;
}
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Can I make 'git diff' only the line numbers AND changed file names?
...rs", if you do not care about line numbers in the output see this question and answer.
10 Answers
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What is a coroutine?
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Coroutines and concurrency are largely orthogonal. Coroutines are a general control structure whereby flow control is cooperatively passed between two different routines without returning.
The 'yield' statement in Python is a good exam...
How do I unload (reload) a Python module?
I have a long-running Python server and would like to be able to upgrade a service without restarting the server. What's the best way do do this?
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The apk must be signed with the same certificates as the previous version
I had uploaded my app to Google Play (back when it was called Android Market) some time ago.
11 Answers
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How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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