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Which is more efficient, a for-each loop, or an iterator?

Which is the most efficient way to traverse a collection? 7 Answers 7 ...
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MySQL LIKE IN()?

My current query looks like this: 10 Answers 10 ...
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How to post data to specific URL using WebClient in C#

I need to use "HTTP Post" with WebClient to post some data to a specific URL I have. 8 Answers ...
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How do I make a transparent canvas in html5?

How can I make a canvas transparent? I need to because I want to put two canvases on top of one another. 6 Answers ...
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SecurityException: Permission denied (missing INTERNET permission?)

this error is really really really strange and I don't know how to reproduce it and how to fix it because I made a lot of searches but nothing was useful. ...
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Unicode character for “X” cancel / close?

I want to create a close button using CSS only. 16 Answers 16 ...
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When should I create a destructor?

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Config Error: This configuration section cannot be used at this path

I've encountered an error deploying a site to a server. When trying to load the home page, or access authentication on the new site in IIS, I get the error: ...
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Is it possible to rotate a drawable in the xml description?

I am creating an app, with resources that can be reused (because buttons are always the same, but mirrored or rotated). I do want to use the same resource so I don't have to add 3 more resources that are exactly like the original but rotated. But I also don't want to mix the code with things that ca...
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Shared-memory objects in multiprocessing

Suppose I have a large in memory numpy array, I have a function func that takes in this giant array as input (together with some other parameters). func with different parameters can be run in parallel. For example: ...