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C# Object Pooling Pattern implementation
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This is a great answer. After C#6 & VS2015 is RTM I'll likely make this the accepted answer as it is clearly the best of all if it's so tuned its used by Rosyln itself.
– Chris Marisic
Jun 5 '15 at 15:34
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Why shouldn't I use mysql_* functions in PHP?
... active development
Is officially deprecated as of PHP 5.5 (released June 2013).
Has been removed entirely as of PHP 7.0 (released December 2015)
This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a version of PHP which supports it, you are using ...
Understanding __get__ and __set__ and Python descriptors
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edited Apr 5 '19 at 12:01
TrebledJ
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answered J...
Memcached vs. Redis? [closed]
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Summary (TL;DR)
Updated June 3rd, 2017
Redis is more powerful, more popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap.
For anything new, use Redis....
mmap() vs. reading blocks
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The upshot is that, on my (modern Intel, circa 2018) hardware, mmap has lower overhead than read for larger-than-page-sized (4 KiB) reads. Now it's very true that if you want to access data sparsely and randomly, mmap is really, really good - but the converse isn't necessa...
Append an object to a list in R in amortized constant time, O(1)?
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R>
That works on vectors too, so do I get the bonus points?
Edit (2015-Feb-01): This post is coming up on its fifth birthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types:
newlist <- list(ol...
Concurrent vs serial queues in GCD
... DarlingtonStephen Darlington
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How does the “this” keyword work?
...bout it. :-)
– RobG
Jun 21 '14 at 3:01
"above I have put the word immediate..." no you didn't. Can you please revise t...
Table with fixed header and fixed column on pure css
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Matthew SchlachterMatthew Schlachter
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... to compile well.
This code has been tested to work well on Visual Studio 2010/2012 and GCC 4.6.ICC 11 (Intel Compiler 11) surprisingly has trouble compiling it well.
These are for pre-FMA processors. In order to achieve peak FLOPS on Intel Haswell and AMD Bulldozer processors (and later), FMA (Fuse...