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Why is volatile not considered useful in multithreaded C or C++ programming?
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@OJW: But Microsoft's compiler redefines volatile to be a full memory barrier (preventing reordering). That's not part of the standard, so ...
Difference between SPI and API?
...y to extend / alter the behavior of a software or a platform (programmable vs.
programmatic)
-->SPI evolution is different from API evolution, in SPI removal is not an issue
-->Addition of SPI interfaces will cause problems and may break existing implementations
For more explanation clic...
Why does C++ compilation take so long?
...mmon headers get processed over and over again. That's O(N^2) worst-case, vs. most other languages O(N) parsing time.
– Tom
Dec 7 '08 at 7:05
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Are PHP short tags acceptable to use?
...e any of the other features that might not be supported on a server? MYSQL vs MYSQLI? You will waste your time little by little, again and again writing long tags just to avoid a tiny chance of spending a little time to change to a better host.
– Dean Or
Jun 28...
Check if pull needed in Git
...(git rev-parse HEAD) == $(git rev-parse @{u})
(Note: the benefit of this vs. previous answers is that you don't need a separate command to get the current branch name. "HEAD" and "@{u}" (the current branch's upstream) take care of it. See "git rev-parse --help" for more details.)
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Why all the Active Record hate? [closed]
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edited Nov 27 '09 at 9:28
answered Nov 27 '09 at 9:02
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What do Clustered and Non clustered index actually mean?
...however.
– blobbles
Mar 25 '16 at 9:27
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show 8 more comments
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Is either GET or POST more secure than the other?
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27 Answers
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Active
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How to replace plain URLs with links?
...hen it comes to parsing URLs: international domain names, actual (.museum) vs. nonexistent (.etc) TLDs, weird punctuation including parentheses, punctuation at the end of the URL, IPV6 hostnames etc.
I've looked at a ton of libraries, and there are a few worth using despite some downsides:
Soapbo...
What is the difference between a heuristic and an algorithm?
... the same answer, is called deterministic.
(note 2): This is called the P vs NP problem, and problems that are classified as NP-complete and NP-hard are unlikely to have an 'efficient' algorithm. Note; as @Kriss mentioned in the comments, there are even 'worse' types of problems, which may need exp...