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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
... the reason. To extend this result: Intel's Embree project (software.intel.com/en-us/articles/…), uses vectorization for its mathematics. You can download the source at that link and look at how they do their 3/4 D Vectors. Their vector normalization uses rsqrt followed by an iteration of newton-r...
How are parameters sent in an HTTP POST request?
...tipart/form-data encoding instead, which has a different format. It's more complicated, but you usually don't need to care what it looks like, so I won't show an example, but it can be good to know that it exists.
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How to get device make and model on iOS?
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EITHER try this library: http://github.com/erica/uidevice-extension/ (by Erica Sadun). (The library is 7-8 years old, and hence is obsolete)
(Sample Code):
[[UIDevice currentDevice] platformType] // ex: UIDevice4GiPhone
[[UIDevice currentDevice] platfo...
Java lib or app to convert CSV to XML file? [closed]
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typedef struct vs struct definitions [duplicate]
... using typedef . It seems to me like there's really no difference, they accomplish the same goal.
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What are the differences between WCF and ASMX web services?
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Keith Elder nicely compares ASMX to WCF here. Check it out.
Another comparison of ASMX and WCF can be found here - I don't 100% agree with all the points there, but it might give you an idea.
WCF is basically "ASMX on stereoids" - it can be a...
Add days to JavaScript Date
...ally incrementing the month if necessary. For example:
8/31 + 1 day will become 9/1.
The problem with using setDate directly is that it's a mutator and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class rather than an immutable structure.
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How to implement a secure REST API with node.js
...l need to authenticate again. Therefore you need to store the session in a common place. This is typically done using redis.
When the user is authenticated (username+password+apitoken) generate another token for the session, aka accesstoken. Again, with node-uuid. Send to the user the accesstoken a...
What does “zend_mm_heap corrupted” mean
...lain what output_buffering is and why increasing it can help stackoverflow.com/a/2832179/704803
– andrewtweber
May 29 '12 at 19:46
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What's the difference between HEAD^ and HEAD~ in Git?
When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ .
15 Answers
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