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How do I correctly clone a JavaScript object?

I have an object x . I'd like to copy it as object y , such that changes to y do not modify x . I realized that copying objects derived from built-in JavaScript objects will result in extra, unwanted properties. This isn't a problem, since I'm copying one of my own literal-constructed objects. ...
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Phonegap Cordova installation Windows

...ommand line, node.js stuff (seriously you will waste hours on this. Go to github and simply download the PhoneGap master .zip In that zip are project files for window phone, etc platform... just use those templates. I don't know how such an easy process could have worse documentation. It as if it...
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Running Python on Windows for Node.js dependencies

...;C:\My_python_lib That's nice, but that doesn't set the PYTHON variable, it sets the PYTHONPATH variable. Meanwhile, just using the set command only affects the current cmd session. If you reboot after that, as you say you did, you end up with a whole new cmd session that doesn't have that vari...
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How to force NSLocalizedString to use a specific language

...e NSLocalizedString returns the string in the language of the iPhone. Is it possible to force NSLocalizedString to use a specific language to have the app in a different language than the device ? ...
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JPA getSingleResult() or null

I have an insertOrUpdate method which inserts an Entity when it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an ex...
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Semi-transparent color layer over background-image?

...ould like to put a pattern as background. This pattern is gray. So to make it a little more nice, I would like to put a light transparent color "layer" over. Below is what I tried but which did not work. Is there a way to put the colored layer over the background image? ...
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Check if image exists on server using JavaScript?

... Function is awesome. I put it in my collection :) I thought fileExists would be better name because this function does not check if image exists on server. It check if file is accessible from server. There is no check if that file actually is an image....
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Tree data structure in C#

...ed. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues presented in the article. ...
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How do I update the notification text for a foreground service in Android?

... I would think that calling startForeground() again with the same unique ID and a Notification with the new information would work, though I have not tried this scenario. Update: Based on the comments, you should use NotifcationManager to update the notification and your servi...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

... This probably has do with conflicts in your L2 cache. Cache misses on matice1 are not the problem because they are accessed sequentially. However for matice2 if a full column fits in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2...