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std::back_inserter for a std::set?
...n't have push_back because the position of an element is determined by the comparator of the set. Use std::inserter and pass it .begin():
std::set<int> s1, s2;
s1 = getAnExcitingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.begin()), ExcitingUnaryFunctor());
The ins...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
... would change constraints in your overridden updateConstraints method (a recommended way to change constraints, btw), call setNeedsUpdateConstraints, and most of the time, setNeedsLayout after that.
If you need any of the actions above to have immediate effect—e.g. when your need to learn new fram...
Polymorphism with gson
...ve a problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
...
Method overloading in Objective-C?
...hod name" includes the method signature keywords (the parameter
names that come before the ":"s), so the following are two different methods, even though they both begin "writeToFile":
-(void) writeToFile:(NSString *)path fromInt:(int)anInt;
-(void) writeToFile:(NSString *)path fromString:(NSString...
When does static class initialization happen?
...
There is a common pitfall though. Primitives and Strings are substituted and not referenced. If you reference a class Other { public static final int VAL = 10; } from some class MyClass { private int = Other.VAL; }, the class Other will...
What is the maximum depth of the java call stack?
...
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git update-index --assume-unchanged on directory
...
git update-index wants the file names on its command line, not on its standard input.
Step 1:
cd into the folder you want to assume is unchanged
Step 2:
You can do either this:
git update-index --assume-unchanged $(git ls-files | tr '\n' ' ')
or
git ls-files | ...
How to make overlay control above all other controls?
...top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left="100" Fill="blue"/>
<Rectangle Canvas.ZInd...