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What is a “feature flag”?
...ag service and your application accesses the values by pulling that config file. This way you can be sure that changing a value does not need any kind of re-deployment of the app. On top of that it lets you create rules so you serve a value to one user and a different one to another. cool is all th...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...cts that have not been constructed or have already been destructed
Source file and Preprocessing
A non-empty source file that doesn't end with a newline, or ends with a backslash (prior to C++11)
A backslash followed by a character that is not part of the specified escape codes in a character or s...
What is the curiously recurring template pattern (CRTP)?
...t T*>(this)->writeImpl(str); //here the magic is!!!
}
};
class FileWriter : public Writer<FileWriter>
{
public:
FileWriter(FILE* aFile) { mFile = aFile; }
~FileWriter() { fclose(mFile); }
//here comes the implementation of the write method on the subclass
void wr...
How to use single storyboard uiviewcontroller for multiple subclass
... approaches you could take:
store the UI elements in a UIView - in a xib file and instantiate it from your base class and add it as a sub view in the main view, typically self.view. Then you would simply use the storyboard layout with basically blank view controllers holding their place in the sto...
What is declarative programming? [closed]
...etty-printing, fancy-formatting and syntax highlighting of the yacc source file itself and include it in your Reference Manual as a syntactic specification of your language
And many more …
Optimization
Because you don't prescribe the computer which steps to take and in what order, it can rearr...
Alternatives to gprof [closed]
...
Valgrind has an instruction-count profiler with a very nice visualizer called KCacheGrind. As Mike Dunlavey recommends, Valgrind counts the fraction of instructions for which a procedure is live on the stack, although I'm sorry to say it appears to become confu...
What does the restrict keyword mean in C++?
... C++ because it's not a keyword or feature of C++, and if you use C header files in C++ you must remove the restrict keyword. Of course if you pass aliased pointers to a C function that declares them restricted (which you can do from either C++ or C) then it's undefined, but that's on you.
...
Set Additional Data to highcharts series
... this.point.myData + '</b>';
}
}
Full example here: https://jsfiddle.net/burwelldesigns/jeoL5y7s/
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How to debug Ruby scripts [closed]
...
with -rdebug :no need to change source file in order to debug
– germanlinux
Sep 23 '14 at 21:18
2
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MySQL stored procedure vs function, which would I use when?
...d function you can.
e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The price is that functions have more limitations than a procedure.
s...