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Click button copy to clipboard using jQuery

... Edit as of 2016 As of 2016, you can now copy text to the clipboard in most browsers because most browsers have the ability to programmatically copy a selection of text to the clipboard using document.execCommand("copy") that works off a selection. As with some...
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Why do I need to override the equals and hashCode methods in Java?

... hashCode(), let's see what would happen in this particular case where we know that two objects of MyClass are equal if their importantField is equal but we do not override equals(). Override only hashCode If you only override hashCode then when you call myMap.put(first,someValue) it takes first, ca...
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Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]

... It seems Microsoft has picked up on this as a similar example is now on MSDN: Generic Delegates share | improve this answer | follow | ...
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What should I put in a meteor .gitignore file?

... Heh. Now I get it. It's not inside projects root but is inside .meteor folder. – Nek Nov 29 '14 at 20:43 ...
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What does threadsafe mean?

... int tmp = myInt; tmp = tmp + 1; myInt = tmp; return tmp; } Now thread A and thread B both would like to execute AddOne(). but A starts first and reads the value of myInt (0) into tmp. Now for some reason the scheduler decides to halt thread A and defer execution to thread B. Thread ...
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Best way to use multiple SSH private keys on one client

...File ~/.ssh/private_ssh_file User username-on-remote-machine Now you can connect using the friendly-name: ssh friendly-name More keywords can be found on the OpenSSH man page. NOTE: Some of the keywords listed might already be present in your /etc/ssh/ssh_config file. ...
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How do you fork your own repository on GitHub?

...new project based on this repository, but I don't want to affect how it is now. I tried forking it using the GitHub UI but it didn't do anything. ...
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Spring DAO vs Spring ORM vs Spring JDBC

...to the proper DataAccessException subclass. As an example, suppose you're now using Hibernate, and your service layer catches HibernateException in order to react to it. If you change to JPA, your DAOs interfaces should not change, and the service layer will still compile with blocks that catches H...
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Why should I declare a virtual destructor for an abstract class in C++?

I know it is a good practice to declare virtual destructors for base classes in C++, but is it always important to declare virtual destructors even for abstract classes that function as interfaces? Please provide some reasons and examples why. ...
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Scala Programming for Android

...er for mobile applications. Additionally, the IDE runs out of memory every now and then. I assume dex is not made for big libraries like the scala-library . ...