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Setting Short Value Java
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LauriLauri
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16
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How to extract year and month from date in PostgreSQL without using to_char() function?
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date_part(text, timestamp)
e.g.
date_part('month', timestamp '2001-02-16 20:38:40'),
date_part('year', timestamp '2001-02-16 20:38:40')
http://www.postgresql.org/docs/8.0/interactive/functions-datetime.html
s...
How can I return pivot table output in MySQL?
...ble looks something like this:
CREATE TABLE `test_pivot` (
`pid` bigint(20) NOT NULL AUTO_INCREMENT,
`company_name` varchar(32) DEFAULT NULL,
`action` varchar(16) DEFAULT NULL,
`pagecount` bigint(20) DEFAULT NULL,
PRIMARY KEY (`pid`)
) ENGINE=MyISAM;
Now look into his/her desired table:...
Android Facebook integration with invalid key hash
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20
By this way, most likely you got a key hash for debug keystore. It works for you in development mode, not necessary works for your producti...
How can I create a correlation matrix in R?
... between your matrix x and matrix y. Ex.:
set.seed(1)
x <- matrix(rnorm(20), nrow=5, ncol=4)
y <- matrix(rnorm(15), nrow=5, ncol=3)
COR <- cor(x,y)
COR
image(x=seq(dim(x)[2]), y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column")
text(expand.grid(x=seq(dim(x)[2]), y=seq(dim(y)[2])), la...
Running code in main thread from another thread
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answered Jun 20 '12 at 17:49
David WasserDavid Wasser
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Difference between LoadFile and LoadFrom with .NET Assemblies?
...dentity?
– Xaisoft
Sep 25 '09 at 15:20
No, I just used CodeBase here as an arbitrary property of the assembly to illus...
request exceeds the configured maxQueryStringLength when using [Authorize]
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Also good to know is the max value for this param is 2097151 -- at first I tried to use the Int32.MaxValue, but the exception that was thrown at runtime pointed me to use a value between 0 and 2097151.
– TimDog
Jan 4 '12 at 21:26
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Selecting with complex criteria from pandas.DataFrame
... B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 True
4 False
5...
Difference between Python datetime vs time modules
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answered Sep 20 '11 at 4:00
SingleNegationEliminationSingleNegationElimination
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