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On select change, get data attribute value
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edited May 29 '13 at 0:12
answered Dec 1 '11 at 17:32
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Fast way to discover the row count of a table in PostgreSQL
...sts in a given schema
TABLESAMPLE SYSTEM (n) in Postgres 9.5+
SELECT 100 * count(*) AS estimate FROM mytable TABLESAMPLE SYSTEM (1);
Like @a_horse commented, the newly added clause for the SELECT command might be useful if statistics in pg_class are not current enough for some reason. For exa...
How to clean project cache in Intellij idea like Eclipse's clean?
...s folder depends on your OS and version installed.
Windows Vista, 7, 8, 10
<SYSTEM DRIVE>\Users\<USER ACCOUNT NAME>\.<PRODUCT><VERSION>
Linux/Unix
~/.<PRODUCT><VERSION>
Mac OS
~/Library/Caches/<PRODUCT><VERSION>
Read this for more details on cache...
Alphabet range in Python
...stuvwxyz'
ascii_uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
digits = '0123456789'
hexdigits = '0123456789abcdefABCDEF'
octdigits = '01234567'
printable = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
p...
How to determine one year from now in Javascript
...FullYear() instead of getYear(). getYear() returns the actual year minus 1900 (and so is fairly useless).
Thus a date marking exactly one year from the present moment would be:
var oneYearFromNow = new Date();
oneYearFromNow.setFullYear(oneYearFromNow.getFullYear() + 1);
Note that the date will ...
Convert Decimal to Double
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+50
An explicit cast to double like this isn't necessary:
double trans = (double) trackBar1.Value / 5000.0;
Identifying the constant as...
How many levels of pointers can we have?
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403
The C standard specifies the lower limit:
5.2.4.1 Translation limits
276 The implement...
Why '&&' and not '&'?
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answered Sep 7 '11 at 9:40
Daniel HilgarthDaniel Hilgarth
156k3535 gold badges285285 silver badges397397 bronze badges
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How to get nth jQuery element
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answered Sep 18 '09 at 6:58
DykamDykam
9,69744 gold badges2424 silver badges3232 bronze badges
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Converting a Java Keystore into PEM Format
...ash$ keytool -keystore foo.jks -exportcert -alias foo | \
openssl x509 -inform der -text
Enter keystore password: asdasd
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 1237334757 (0x49c03ae5)
Signature Algorithm: dsaWithSHA1
Issuer: C=AU, ST=Victoria, ...