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What is the difference between concurrency and parallelism?
.... See also this excellent explanation: haskell.org/haskellwiki/Parallelism_vs._Concurrency
– jberryman
Oct 7 '11 at 2:25
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Why are Objective-C delegates usually given the property assign instead of retain?
...ndamental Objective-C concept of assigning delegates the 'assign' property vs 'retain'. Note, the both are the same in a garbage collected environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
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Difference between author and committer in Git?
...riginal poster asks:
What is the difference between the two (Committer vs author)?
The author is the person who originally wrote the code. The committer, on the other hand, is assumed to be the person who committed the code on behalf of the original author. This is important in Git because Git...
Do you put unit tests in same project or another project?
...flow and it's absolutely crazy to put them in a separate project. Most devs are like this. Followers.
– zumalifeguard
Dec 10 '14 at 0:57
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What are WSGI and CGI in plain English?
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community wiki
2 revsMark Henwood
21
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std::string formatting like sprintf
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If space efficiency is super important, these two solution with vargs and vsnprintf can be useful.
DO NOT USE any solutions with fixed buffer lengths, that is just asking for trouble.
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impro...
Significant new inventions in computing since 1980
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community wiki
2 revssplattne
26
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What is the purpose of the EBP frame pointer register?
...mp -h) in most binaries on a Linux system, It's about 16k for /bin/bash, vs. 572B for GNU /bin/true, 108k for ffmpeg. There is a gcc option to disable generating it, but it's a "normal" data section, not a debug section that strip removes by default. Otherwise you couldn't backtrace through a li...
What is normalized UTF-8 all about?
...ces of base characters and combining marks (say, "s, dot below, dot above" vs putting dot above then dot below or using a base character that already has one of the dots), NFD will also pick one of these (below goes first, as it happens)
The compatibility decompositions include a number of characte...
Find the nth occurrence of substring in a string
...aches presented so far, namely @bobince's findnth() (based on str.split()) vs. @tgamblin's or @Mark Byers' find_nth() (based on str.find()). I will also compare with a C extension (_find_nth.so) to see how fast we can go. Here is find_nth.py:
def findnth(haystack, needle, n):
parts= haystack.s...