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nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...ck. Same error. what could be causing this? I also tried rebooting, I am really at a loss here. Any help would be greatly appreciated.
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HashMap get/put complexity
...ever it depends on the hash implementation. The default object hash is actually the internal address in the JVM heap. Are we sure it is good enough to claim that the get/put are O(1) ?
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Can I use an OR in regex without capturing what's enclosed?
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Depending on the regular expression implementation you can use so called non-capturing groups with the syntax (?:…):
((?:a|b)c)
Here (?:a|b) is a group but you cannot reference its match. So you can only reference the match of ((?:a|b)c) that is either ac or bc.
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jquery how to empty input field
...0' max="10" value="5"></input>? I guess said differently, are you allowed to set a numeric input to be blank?
– Kevin Wheeler
Jun 10 '15 at 21:49
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Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods
I've encounter an strange issue after installing RestKit with cocoapods.
after resolving RestKit dependency for my project with cocoapods and trying to build it, I face this error:
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...ing to choose the right technology to use for updating a project that basically renders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here:
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How can I see the specific value of the sql_mode?
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The combination modes are all documented here: dev.mysql.com/doc/refman/5.5/en/server-sql-mode.html. For example, here you can see which 7 modes comprise the ORACLE combination mode: dev.mysql.com/doc/refman/5.5/en/…
– Ike Walk...
arrow operator (->) in function heading
...) + std::declval<T2>())
compose(T1 a, T2 b);
except it's getting really verbose now. So the alternate declaration syntax was proposed and implemented and now you can write
template <typename T1, typename T2>
auto compose(T1 a, T2 b) -> decltype(a + b);
and it's less verbose and t...
Preserve line endings
... run sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
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