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Socket.IO Authentication

... redisclient.get(message.rediskey, function(e, c) { client.user_logged_in = c.username; }); } }); }); share | improve this answer | follow ...
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Is there any advantage of using map over unordered_map in case of trivial keys?

A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
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Vim: Creating parent directories on save

...move my previous options and give feedback. – moebius_eye Sep 3 '16 at 14:28 add a comment  |  ...
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How to import existing Git repository into another?

...mmit to move the merged repository to the subdirectory. git remote add XXX_remote <path-or-url-to-XXX-repo> git fetch XXX_remote git merge -s ours --no-commit --allow-unrelated-histories XXX_remote/master git read-tree --prefix=ZZZ/ -u XXX_remote/master git commit -m "Imported XXX as a subtre...
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How fast is D compared to C++?

... at the assembler listing, it looks like neither dmd nor gdc inlined scalar_product, but g++/gdc did emit MMX instructions, so they might be auto-vectorizing the loop. share | improve this answer ...
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What does cmd /C mean? [closed]

...here's also a command to "pause" the cmd window after output: "cmd /c file_name & PAUSE" it is bit different from cmd /k – Gourav Sep 5 '15 at 19:34 ...
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What resources exist for Database performance-tuning? [closed]

...tabase, this guide may also help. http://download.oracle.com/docs/cd/B28359_01/server.111/b28274/toc.htm share | improve this answer | follow | ...
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How to remove not null constraint in sql server using query

... or you can do : alter table table_name modify column_name type(30) NULL. 30 being the size of your column type, example: varchar(30) – nr5 Sep 19 '12 at 18:11 ...
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Escape string for use in Javascript regex [duplicate]

...ble here: // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/regexp // these characters should be escaped // \ ^ $ * + ? . ( ) | { } [ ] // These characters only have special meaning inside of brackets // they do not need to be escaped, but they MAY be escaped // wit...
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How do I enter a multi-line comment in Perl? [duplicate]

...ng the Pod section: =pod my $object = NotGonnaHappen->new(); ignored_sub(); $wont_be_assigned = 37; =cut The quick-and-dirty method only works well when you don't plan to leave the commented code in the source. If a Pod parser comes along, your multiline comment is going to show up...