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What is an efficient way to implement a singleton pattern in Java? [closed]

...s to be final. In this case, I've used the final keyword to let the users know it is final. Then you need to make the constructor private to prevent users to create their own Foo. Throwing an exception from the constructor prevents users to use reflection to create a second Foo. Then you create a pr...
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Long press on UITableView

... Don't forget, gesture recognizers can now be added to UI elements directly in Interface Builder and connected through an IBAction method, so this answer is even easier ;-) (just remember to attach the recognizer to the UITableView, not the UITableViewCell...) ...
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How can I make my own event in C#?

... } static void Main(string[] args) { //Now lets test the event contained in the above class. MyClass MyObject = new MyClass(); MyObject.OnMaximum += new MyEventHandler(MaximumReached); for(int x = 0; x <= 15; x++) ...
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MVC3 DropDownListFor - a simple example?

...use StackOverflow to figure out how to get them to appear on the View, but now I don't know how to capture the values in its corresponding properties on the View Model when it's submitted. In order to get this to work I had to create an inner class that had an ID and a value property, then I had to...
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Automatic popping up keyboard on start Activity

...ting the keyboard even if all the controls on my form were disabled. Fixed now. Thank you! – crowmagnumb Jul 31 '14 at 18:06 1 ...
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remove_if equivalent for std::map

...would work, but semantically, people often use for() for iterating over a known range, and while() for an unknown number of loops. Since the range is known in this case (from the beginning, to endIter), for() wouldn't be an unusual choice, and would probably be more common. But again, both would be ...
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Reloading submodules in IPython

...ole. Unfortunately I am not very happy with workflow that I am using right now, I would appreciate some advice. 13 Answers ...
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Good or bad practice for Dialogs in wpf with MVVM?

... I've been using an almost identical approach for several months now, and I'm very happy with it (i.e. I haven't yet felt the urge to rewrite it completely...) In my implementation, I use a IDialogViewModel that exposes things such as the title, the standad buttons to show (in order to ha...
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How to join multiple lines of file names into one with custom delimiter?

... i just upvoted it, this is and now it has the same votes as the selected answer. THIS IS THE ANSWER. no trailing delimeter – thebugfinder Sep 14 '15 at 13:23 ...
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What is the difference between JavaScript and ECMAScript?

... momentum and is scheduled to release its 6th Edition in a few months from now with the biggest changes its had thus far. You can use a list of features for ECMAScript 6 here http://kangax.github.io/es5-compat-table/es6/ and also the browser support. You can even start writing Ecmascript 6 like yo...