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Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”

...m new to the REST school of thought, and I'm trying to wrap my mind around it. 6 Answers ...
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Fast Bitmap Blur For Android SDK

...ion that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image. ...
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Which cryptographic hash function should I choose?

The .NET framework ships with 6 different hashing algorithms: 9 Answers 9 ...
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Multithreading: What is the point of more threads than cores?

I thought the point of a multi-core computer is that it could run multiple threads simultaneously. In that case, if you have a quad-core machine, what's the point of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other? ...
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Creating a segue programmatically

... By definition a segue can't really exist independently of a storyboard. It's even there in the name of the class: UIStoryboardSegue. You don't create segues programmatically - it is the storyboard runtime that creates them for you....
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Why does MYSQL higher LIMIT offset slow the query down?

Scenario in short: A table with more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key* ...
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Sending a message to nil in Objective-C

...entation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation: ...
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Are loops really faster in reverse?

I've heard this quite a few times. Are JavaScript loops really faster when counting backward? If so, why? I've seen a few test suite examples showing that reversed loops are quicker, but I can't find any explanation as to why! ...
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Asp.net MVC ModelState.Clear

Can anyone give me a succinct definition of the role of ModelState in Asp.net MVC (or a link to one). In particular I need to know in what situations it is necessary or desirable to call ModelState.Clear() . ...
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Why doesn't Java allow to throw a checked exception from static initialization block?

Why doesn't Java allow to throw a checked exception from a static initialization block? What was the reason behind this design decision? ...