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What is the difference between Reader and InputStream?

What is the difference between Reader and InputStream? And when to use what? If I can use Reader for reading characters why I will use inputstream, I guess to read objects? ...
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How to detect when cancel is clicked on file input?

... While not a direct solution, and also bad in that it only (as far as I've tested) works with onfocus (requiring a pretty limiting event blocking) you can achieve it with the following: document.body.onfocus = function(){ /*rock it*/ } What's nice abou...
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What is a callback function?

...allback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into. Maybe ...
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Best introduction to C++ template metaprogramming? [closed]

...tatic Metaprogramming in C++" from Generative Programming, Methods, Tools, and Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 97802017348...
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INotifyPropertyChanged vs. DependencyProperty in ViewModel

... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead. ...
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Draw text in OpenGL ES

I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also. ...
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How to clear the canvas for redrawing

After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this? ...
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Versioning SQL Server database

....html. I choose not to put schema dumps in under version control as alumb and others suggest because I want an easy way to upgrade my production database. For a web application where I'll have a single production database instance, I use two techniques: Database Upgrade Scripts A sequence databa...
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How to convert existing non-empty directory into a Git working directory and push files to a remote

... Given you've set up a git daemon on <url> and an empty repository: cd <localdir> git init git add . git commit -m 'message' git remote add origin <url> git push -u origin master ...
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Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. ...