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mkdir's “-p” option
...oes in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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How to JSON serialize sets?
I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection.
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How do I get the calling method name and type using reflection? [duplicate]
I'd like to write a method which obtains the name of the calling method, and the name of the class containing the calling method.
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Regex select all text between tags
...<pre>(.*?)</pre>", (replacing pre with whatever text you want) and extract the first group (for more specific instructions specify a language) but this assumes the simplistic notion that you have very simple and valid HTML.
As other commenters have suggested, if you're doing something c...
How can I override the OnBeforeUnload dialog and replace it with my own?
...dialog box appears that gives users the option to stay on the current page and retain the string that was assigned to it. The default statement that appears in the dialog box, "Are you sure you want to navigate away from this page? ... Press OK to continue, or Cancel to stay on the current page.", c...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
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This is a handy little language feature that I just cannot remember. It's like there's a _ = ... in my brain.
– Marc L.
Mar 14 '18 at 14:29
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Open file in a relative location in Python
...thon code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
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LINQ .Any VS .Exists - What's the difference?
...any element of a sequence satisfies a condition.
This is new in .NET 3.5 and uses Func(TSource, bool) as argument, so this was intended to be used with lambda expressions and LINQ.
In behaviour, these are identical.
share...
What is the purpose of the single underscore “_” variable in Python?
...nt) in an interactive
interpreter session. This precedent was set by the standard CPython
interpreter, and other interpreters have followed suit
As a general purpose "throwaway" variable name to indicate that part
of a function result is being deliberately ignored (Conceptually, it is being discarde...