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How to get number of entries in a Lua table?

...to be implementation defined behavior. The reason it is like this is that different implementors can pick different implementation choices. – Nakedible Aug 9 '13 at 6:39 19 ...
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How to get current PHP page name [duplicate]

...file called demo.php where I don't have any GET variables in the URL, so if I want to hide a button if am on this page I can't use something like this: ...
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What's the difference between :: (double colon) and -> (arrow) in PHP?

There are two distinct ways to access methods in PHP, but what's the difference? 6 Answers ...
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Visual Studio immediate window command for Clear All

...text-menu, L. If you don't have a context-menu key on your keyboard (you know, the one between right-alt and right-ctrl), you can use shift + F10 instead. share | improve this answer | ...
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Safely turning a JSON string into an object

... The jQuery method is now deprecated. Use this method instead: let jsonObject = JSON.parse(jsonString); Original answer using deprecated jQuery functionality: If you're using jQuery just use: jQuery.parseJSON( jsonString ); It's exactly w...
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Creating Threads in python

...arg): for i in range(arg): print("running") sleep(1) if __name__ == "__main__": thread = Thread(target = threaded_function, args = (10, )) thread.start() thread.join() print("thread finished...exiting") Here I show how to use the threading module to create a t...
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One-liner to check whether an iterator yields at least one element?

... any won't go beyond the first element if it's True. In case the iterator yields something false-ish you can write any(True for _ in iterator). share | improve th...
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How do I pass a method as a parameter in Python

...call__() is meant to be implemented, not to be invoked from your own code. If you wanted method1 to be called with arguments, then things get a little bit more complicated. method2 has to be written with a bit of information about how to pass arguments to method1, and it needs to get values for thos...
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What does $_ mean in PowerShell?

...erty -Name Bar -Value $_.Name -PassThru | Select Bar ... Well, it can work if you have a $_ in the scope where you're executing that pipeline. But that's very different from what you usually mean when trying to write something like that. – Joey Nov 6 '15 at 17:...
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Timeout function if it takes too long to finish [duplicate]

... Beware that this is not thread-safe: if you're using multithreading, the signal will get caught by a random thread. For single-threaded programs though, this is the easiest solution. – Wim Feb 17 '10 at 17:03 ...