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What is the difference between a route and resource in New Router API?
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thecodejack
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answered Feb 20 '13 at 9:35
mavileinmavilein
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How does grep run so fast?
... The result of this is
that, in the limit, GNU grep averages fewer than 3 x86 instructions
executed for each input byte it actually looks at (and it skips many
bytes entirely).
GNU grep uses raw Unix input system calls and avoids copying data
after reading it. Moreover, GNU grep AVOIDS...
Node.js + Express: Routes vs controller
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Michelle TilleyMichelle Tilley
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What is the most efficient/elegant way to parse a flat table into a tree?
...id, descendant_id) VALUES
(1,1), (1,2), (1,4), (1,6),
(2,2), (2,4),
(3,3), (3,5),
(4,4),
(5,5),
(6,6);
Now you can get a tree starting at node 1 like this:
SELECT f.*
FROM FlatTable f
JOIN ClosureTable a ON (f.id = a.descendant_id)
WHERE a.ancestor_id = 1;
The output (in MySQL c...
#include in .h or .c / .cpp?
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answered Jun 8 '10 at 23:36
Brendan LongBrendan Long
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Heroku Postgres - terminate hung query (idle in transaction)
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139
This is a general Postgres answer, and not specific to heroku
(The simple-stupid answer to t...
“Insert if not exists” statement in SQLite
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edited Apr 13 '18 at 6:12
answered Oct 12 '13 at 17:38
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Command line CSV viewer? [closed]
...e demonstrates how to use sed to insert a placeholder:
$ cat data.csv
1,2,3,4,5
1,,,,5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column -s, -t
1 2 3 4 5
1 5
$ cat data.csv
1,2,3,4,5
1,,,,5
$ column -s, -t < data.csv
1 2 3 4 5
1 5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column ...
#pragma pack effect
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433
#pragma pack instructs the compiler to pack structure members with particular alignment. Most ...
Insert the carriage return character in vim
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edited Jul 21 '13 at 8:36
Hulk1991
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a...