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Open file dialog and select a file using WPF controls and C#

....jpg)|*.jpg|GIF Files (*.gif)|*.gif"; // Display OpenFileDialog by calling ShowDialog method Nullable<bool> result = dlg.ShowDialog(); // Get the selected file name and display in a TextBox if (result == true) { // Open document string filename = dlg...
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Differences in auto-unboxing between Java 6 vs Java 7

...omparison to the same section in the Java 5/6 JLS, probably to clarify the allowed conversions. Java 7 JLS says An expression of a reference type may undergo casting conversion to a primitive type without error, by unboxing conversion. Java 5/6: A value of a reference type can be cast to...
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Using Moq to determine if a method is called

It is my understanding that I can test that a method call will occur if I call a higher level method, i.e.: 3 Answers ...
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How does Amazon RDS backup/snapshot actually work?

...o MySQL on some machines that we manage ourselves. I can't comment specifically, as I'm not an Amazon engineer, but several things I've learned that might explain what you're seeing: Although Amazon does not share the backend details 100%, we strongly suspect that they are using their EBS system t...
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How to enable zoom controls and pinch zoom in a WebView?

...Browser app for Android shows zoom controls when you're scrolling and also allows for pinch zooming. How can I enable this feature for my own Webview? ...
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How can I make gdb save the command history?

... @Frank How about if I type n then I arrow up key, I get all previous commands that start with n. – SIFE Jan 27 '13 at 0:09 ...
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Replace whole line containing a string using Sed

...cusDowning GNU sed does not require the space; it works just fine as originally posted. If your particular sed requires the space, then by all means note which sed is incompatible and add the necessary invocation as a comment. However, please don't change working code in an accepted answer. ...
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In javascript, is an empty string always false as a boolean?

... Yes. All false, 0, empty strings '' and "", NaN, undefined, and null are always evaluated as false; everything else is true. And in your example, b is false after evaluation. (I think you mistakenly wrote true) ...
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MySQL Select Date Equal to Today

... interval was wrong too >.< The downvotes were not that absurd after all. – RandomSeed Oct 21 '15 at 10:17 This ...
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jQuery duplicate DIV into another DIV

...matched elements, meaning that it copies the matched elements as well as all of their descendant elements and text nodes. When used in conjunction with one of the insertion methods, .clone() is a convenient way to duplicate elements on a page. ...