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SQL how to increase or decrease one for a int column in one command
...d SQL.
– paxdiablo
Jun 10 '09 at 2:54
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Are parallel calls to send/recv on the same socket valid?
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94
POSIX defines send/recv as atomic operations, so assuming you're talking about POSIX send/recv t...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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4 Answers
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How do I query using fields inside the new PostgreSQL JSON datatype?
...e performance:
Index for finding an element in a JSON array
Postgres 9.4
Adds jsonb (b for "binary", values are stored as native Postgres types) and yet more functionality for both types. In addition to expression indexes mentioned above, jsonb also supports GIN, btree and hash indexes, GIN bei...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...True is reassignable:
Python 2.7 (r27:82508, Jul 3 2010, 21:12:11)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> True = 4
>>> True
4
In Python 3.x it truly becomes a keyword and a real constant:
Pyth...
what does the __file__ variable mean/do?
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answered Feb 14 '12 at 3:55
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How to build Qt for Visual Studio 2010
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First of all, it’s very important to understand that for using Qt with Visual Studio 2010, it...
Explicitly calling a default method in Java
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4 Answers
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Oracle PL/SQL - How to create a simple array variable?
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245
You can use VARRAY for a fixed-size array:
declare
type array_t is varray(3) of varchar2(10...