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how to release localhost from Error: listen EADDRINUSE
i am testing a server written in nodejs on windows 7
and when i try to run the tester in the command line i get the following error
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?? Coalesce for empty string?
...ore and more is checking a string for empty (as in "" or null) and a conditional operator.
10 Answers
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Cannot find or open the PDB file in Visual Studio C++ 2010
I use Visual Studio 2010 C++ and my project builds without errors but when I run it I get this. I am on Windows XP.
7 Answe...
What's the difference between QMainWindow, QWidget and QDialog?
...lasses in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in a window, and has functions to make it work well with common buttons on dialogs (accept, reject, etc.)....
How does TransactionScope roll back transactions?
I'm writing an integration test where I will be inserting a number of objects into a database and then checking to make sure whether my method retrieves those objects.
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What should go into an .h file?
...rototypes, and enumerations typically go in header files. In a word, "definitions".
Code files (.cpp) are designed to provide the implementation information that only needs to be known in one file. In general, function bodies, and internal variables that should/will never be accessed by other modul...
Why should I prefer to use member initialization lists?
I'm partial to using member initialization lists with my constructors... but I've long since forgotten the reasons behind this...
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How to get the absolute coordinates of a view
...follow
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edited Mar 22 '18 at 11:22
TapanHP
4,71755 gold badges3030 silver badges5757 bronze badges
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Read lines from a file into a Bash array [duplicate]
...ision based on comment from BinaryZebra's comment
and tested here. The addition of command eval allows for the expression to be kept in the present execution environment while the expressions before are only held for the duration of the eval.
Use $IFS that has no spaces\tabs, just newlines/CR
$ I...
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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