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How to validate IP address in Python? [duplicate]
...at's the best way to validate that an IP entered by the user is valid? It comes in as a string.
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Try/Catch block in PHP not catching Exception
...o run this Example #1 from this page: http://php.net/manual/en/language.exceptions.php
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How are virtual functions and vtable implemented?
We all know what virtual functions are in C++, but how are they implemented at a deep level?
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
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Nested function in C
Can we have a nested function in C? What is the use of nested functions? If they exist in C does their implementation differ from compiler to compiler?
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled.
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Windows path in Python
What is the best way to represent a Windows directory, for example "C:\meshes\as" ? I have been trying to modify a script but it never works because I can't seem to get the directory right, I assume because of the '\' acting as escape character?
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Regex group capture in R with multiple capture-groups
In R, is it possible to extract group capture from a regular expression match? As far as I can tell, none of grep , grepl , regexpr , gregexpr , sub , or gsub return the group captures.
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Move an array element from one array position to another
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How do I remove a property from a JavaScript object?
Say I create an object as follows:
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