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How to concatenate columns in a Postgres SELECT?
I have two string columns a and b in a table foo .
8 Answers
8
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
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edited Sep 14 at 7:18
answered Jul 26 '10 at 7:32
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Launch an app on OS X with command line
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Ned DeilyNed Deily
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How can I generate random alphanumeric strings?
...ring(int length)
{
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
return new string(Enumerable.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray());
}
(Note: The use of the Random class makes this unsuitable for anything security related, such as c...
include antiforgerytoken in ajax post ASP.NET MVC
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edited Jan 23 '13 at 6:54
answered Jan 23 '13 at 6:32
Dar...
How can I deploy/push only a subdirectory of my git repo to Heroku?
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4 Answers
4
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Fastest way to count exact number of rows in a very large table?
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249
Simple answer:
Database vendor independent solution = use the standard = COUNT(*)
There are a...
What is the most efficient Java Collections library? [closed]
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edited Dec 7 '14 at 19:11
Istvan
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answ...
More elegant way of declaring multiple variables at the same time
...elf!
– John Machin
Mar 31 '11 at 8:04
5
This does not answer the question, and it's patronising. ...
node.js fs.readdir recursive directory search
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answered Apr 29 '11 at 4:29
chjjchjj
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