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What is the most frequent concurrency issue you've encountered in Java? [closed]
...actice as the reader thread will eventually see the change - but we don't know how soon he saw it.
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Regex Named Groups in Java
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(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September 2...
In Vim is there a way to delete without putting text in the register?
...remap P "*P
vnoremap y "*y
vnoremap Y "*Y
vnoremap p "*p
vnoremap P "*P
Now I yank to and put from the clipboard register, and don't have to care what happens with the default register. An added benefit is that I can paste from other apps with minimal hassle. I'm losing some functionality, I know...
How can I conditionally require form inputs with AngularJS?
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This feature is documented by now: docs.angularjs.org/api/ng/directive/ngRequired
– bjunix
May 9 '16 at 11:42
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Callback to a Fragment from a DialogFragment
...od like callBackMethod(Object data). Which you would calling to pass data.
Now you can implement DialogFragmentCallbackInterface interface in your fragment like MyFragment implements DialogFragmentCallbackInterface
At time of DialogFragment creation set your invoking fragment MyFragment as target f...
C++ Object Instantiation
...a = new B();
a->f();
delete a;
return 0;
}
This will print "B". Now lets see what happens when using Stack:
int main(void) {
A a = B();
a.f();
return 0;
}
This will print "A", which might not be intuitive to those who are familiar with Java or other object oriented languages. The...
How to make a programme continue to run after log out from ssh? [duplicate]
...am in the background and a message is displayed confirming that.
You can now log out and it will continue running..
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How to update bower.json with installed packages?
In my project I've installed bower components without save option. Now, I would like update to bower.json ?
6 Answers
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What is the use of join() in Python threading?
...t joining a demonized thread opens most likely a whole can of trouble! I'm now considering to remove the join() call in my little diagram for the daemon-thread...
– Don Question
Mar 3 '15 at 17:15
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What's the best practice to round a float to 2 decimals? [duplicate]
...that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public stati...