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How to concatenate two strings in C++?
...e performance. Worst case is, that operator+= performs both a deallocation and an allocation. Heap allocations are among the most expensive operations we commonly do.
– IInspectable
Feb 7 at 12:17
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Excluding directory when creating a .tar.gz file
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To exclude whole folder and its content: tar -pczvf MyBackup.tar.gz /home/user/public_html/ --exclude "/home/user/public_html/tmp/*"
– Dr.jacky
Nov 14 '16 at 6:08
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Linux command or script counting duplicated lines in a text file?
...ms together) then uniq -c to give counts, i.e.:
sort filename | uniq -c
and to get that list in sorted order (by frequency) you can
sort filename | uniq -c | sort -nr
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How to make an AJAX call without jQuery?
...er the if blocks relating to the xmlhttp.status, then just call them there and you're done.
– Jay
Jun 18 '15 at 20:30
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What are the differences between various threading synchronization options in C#?
...t me try.. Revision#2 of my orig answer.. with a little bit of more understanding. Thanks for making me read :)
lock(obj)
is a CLR construct that for (intra-object?) thread synchronization. Ensures that only one thread can take ownership of the object's lock & enter the locked block of code....
No output to console from a WPF application?
...mple WPF test application, but when I execute the application from the command line, I'm seeing nothing being written to the console. Does anyone know what might be going on here?
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A generic list of anonymous class
...r I got Error 1 'System.Array' does not contain a definition for 'ToList' and no extension method 'ToList' accepting a first argument of type 'System.Array' could be found (are you missing a using directive or an assembly reference?)
– DHornpout
Mar 4 '09 at 2...
Will Dispose() be called in a using statement with a null object?
... Note that even if your variable is null, the using block is executed, and if you reference your variable inside the using block without first null-checking it, you WILL get NullReferenceException. To prevent misinterpretation, this answer should state: "Yes, Dispose() is only called on non-null...
How do I detect whether a Python variable is a function?
I have a variable, x , and I want to know whether it is pointing to a function or not.
25 Answers
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How can I get the baseurl of site?
... edited Sep 14 '11 at 14:14
Andomar
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answered Sep 14 '11 at 8:39
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