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Java 8 Iterable.forEach() vs foreach loop
...t execute in parallel, which is a horrible, horrible thing for all but the 0.1% of your code that needs to be optimized. Any parallel code has to be thought through (even if it doesn't use locks, volatiles, and other particularly nasty aspects of traditional multi-threaded execution). Any bug will b...
How to remove the arrows from input[type=“number”] in Opera [duplicate]
...nce: none;
-moz-appearance: none;
appearance: none;
margin: 0;
}
<input type="number" step="0.01"/>
This tutorial from CSS Tricks explains in detail & also shows how to style them
share
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UIGestureRecognizer on UIImageView
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edited Aug 24 '16 at 10:33
Abubakr Dar
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answe...
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 make IntelliJ IDEA insert a new line at every end of file?
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30
@mrbrdo In intellij 14 it's Settings->Editor->General->Other->Ensure line feed at file end on save.
– Nigh...
Parsing a JSON string in Ruby
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Andrew Marshall
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answered Mar 23 '11 at 19:41
GregGreg
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How can I make my match non greedy in vim?
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750
Instead of .* use .\{-}.
%s/style=".\{-}"//g
Also, see :help non-greedy
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Remove all whitespaces from NSString
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303
stringByTrimmingCharactersInSet only removes characters from the beginning and the end of the s...
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...
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, ...