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Difference Between ViewData and TempData?

I know what ViewData is and use it all the time, but in ASP.NET Preview 5 they introduced something new called TempData. 6...
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Which, if any, C++ compilers do tail-recursion optimization?

... ICC would do so, I believe. To the best of my knowledge, ICC produces the fastest code on the market. – Paul Nathan Oct 21 '08 at 4:04 35 ...
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How do MySQL indexes work?

... The first thing you must know is that indexes are a way to avoid scanning the full table to obtain the result that you're looking for. There are different kinds of indexes and they're implemented in the storage layer, so there's no standard between t...
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Injecting $scope into an angular service function()

.../services that need to have access to that info (if there aren't any right now, don't be surprised if they start popping up soon). Every time a new student is added (using the service's save() method), the service's own array of students will be updated and every other object sharing that array will...
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How does grep run so fast?

...ality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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Structs versus classes

... a meaningful, user-focused, relevant performance metric, and then you'll know whether the change has a meaningful effect on real users in relevant scenarios. Structs consume less heap memory (because they are smaller and more easily compacted, not because they are "on the stack"). But they take lo...
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition

... in Java, C++, and Python on this page: Features2D + Homography to find a known object Both algorithms are invariant to scaling and rotation. Since they work with features, you can also handle occlusion (as long as enough keypoints are visible). Image source: tutorial example The processing takes a...
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Sublime Text 2: Trim trailing white space on demand

I know that Sublime Text 2 can delete the trailing white space on files upon saving. 5 Answers ...
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Git ignore file for Xcode projects

...entially corrupting our live projects. This IMHO is unacceptable, and I've now started logging bugs against it each time they do so. I know they don't care, but maybe it'll shame one of them into treating developers more fairly. If you need to customize, here's a gist you can fork: https://gist.g...
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Adaptive segue in storyboard Xcode 6. Is push deprecated?

... Did that just now and at least for me "show" operated just like "push". – Spencer Hall Jun 25 '14 at 17:16 9 ...