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Which, if any, C++ compilers do tail-recursion optimization?
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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
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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.
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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...
How do MySQL indexes work?
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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...
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...
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...
How to document Python code with doxygen [closed]
...f Doxygen and unify the documentation system in Sphinx. Awesome in theory. Now, in practice, the last time I checked the project wasn't ready for production.
pydoctor*: Very particular. Generates its own output. It has some basic integration with Sphinx, and some nice features.
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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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Python class inherits object
...problem…
Python introduced new-style classes back in Python 2.2, and by now old-style classes are really quite old. Discussion of old-style classes is buried in the 2.x docs, and non-existent in the 3.x docs.
The problem is, the syntax for old-style classes in Python 2.x is the same as the alter...