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C++ equivalent of Java's toString?
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In C++ you can overload operator<< for ostream and your custom class:
class A {
public:
int i;
};
std::ostream& operator<<(std::ostream &strm, const A &a) {
return strm << "A(" << a.i << ")";
}
This way you can output instances ...
How to push different local Git branches to Heroku/master
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whats the difference btween these two commands or do we have to carry out both
– Saad Masood
Sep 26 '13 at 10:13
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How to escape double quotes in a title attribute
...le="Some &quot;text&quot;">Hover me</a>
Is correct and it works as expected - you see normal quotes in rendered page.
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How to test valid UUID/GUID?
...e is the NIL UUID, noted here. The following regex takes this into account and will return a match for a NIL UUID. See below for a UUID which only accepts non-NIL UUIDs. Both of these solutions are for versions 1 to 5 (see the first character of the third block).
Therefore to validate a UUID...
/^...
Is the list of Python reserved words and builtins available in a library?
Is the list of Python reserved words and builtins available in a library? I want to do something like:
1 Answer
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How do I export UIImage array as a movie?
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Take a look at AVAssetWriter and the rest of the AVFoundation framework. The writer has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll...
Should we @Override an interface's method implementation?
...bject obj).
The same will go for methods that implement an interface (1.6 and above only) or override a Super class's method.
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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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How to change a command line argument in Bash?
Is there a way to change the command line arguments in a Bash script. Say for example, a Bash script is invoked the following way:
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How to persist a property of type List in JPA?
... My mistake was to add @ OneToMany annotation as well... after removing it and just leaving @ ElementCollection it worked
– Willi Mentzel
Jun 13 '17 at 13:41
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