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Solving “Who owns the Zebra” programmatically?

.../Mac/BSD): $ bzip2 -cd python-constraint-1.2.tar.bz2 | tar xvf - extract (Windows, with 7zip): > 7z e python-constraint-1.2.tar.bz2 > 7z e python-constraint-1.2.tar install: $ cd python-constraint-1.2 $ python setup.py install ...
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Why use AJAX when WebSockets is available?

...unctionality. But for low-latency bi-directional communication it's a huge win. – kanaka May 7 '14 at 16:21 ...
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Cross cutting concern example

...n use to encapsulate them with the desired transactional behavior is a big win. Another good candidate as an example of a cross-cutting concern is authorization. Annotating a service method with a marker that tells who can call it, and letting some AOP advice decide whether to allow the method call...
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Foreign Key to non-primary key

.... Don't get me wrong, I'm all for normalization, but sometimes pragmatism wins over idealism. If a mediocre design can be helped with a band-aid, surgery might be avoided. share | improve this ans...
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Should I use SVN or Git? [closed]

...t your "central" git-repository on github, their own client – GitHub for Windows). If you're looking on getting out of SVN, you might want to evaluate Bazaar for a bit. It's one of the next generation of version control systems that have this distributed element. It isn't POSIX dependant like git...
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Is 'switch' faster than 'if'?

...s that holds pointer to the labels in something like array structure. following example will help you understand how jump tables are laid out 00B14538 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 Ø.«.Ø.«.Ø.«.Ø.«. 00B14548 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 00 00 00 00 Ø.«.Ø.«.Ø...
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?

...h they are cached. In my experience the query cache isn't often a very big win anyway. Queries and schemas need special construction to make maximum use of the cache. Often application-level caching ends up being necessary anyway in the long run. Native prepares doesn't make any difference for secur...
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Is there any advantage of using map over unordered_map in case of trivial keys?

...rdered_map vs. map (or vector vs list) , the default process heap (talking Windows here) is serialized. Allocating (small) blocks in large quantities in a multithreaded application is very expensive. – ROAR Feb 4 '10 at 3:06 ...
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... edited Mar 9 at 1:52 user2357112 supports Monica 200k2020 gold badges287287 silver badges373373 bronze badges answered Apr 10 '10 at 8:55 ...
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What is Cache-Control: private?

...te proxy, then all 67198 users hitting the same page in the same 15-second window will all get the same contents - all served from close cache. Performance win for everyone. The virtue of adding Cache-Control: max-age is that the browser doesn't even have to perform a conditional request. if you ...