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reformat in vim for a nice column layout
...command in visual mode for step #1 is: '<,'>s/"\(\w\+\) \(\w\+\)"/"\1_\2"/g
– Luciano
Aug 11 '15 at 9:38
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...d was moved to native memory.
So in order to remove this message
edit MAVEN_OPTS Environment User Variable:
Java 7
MAVEN_OPTS -Xmx512m -XX:MaxPermSize=128m
Java 8
MAVEN_OPTS -Xmx512m
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What would cause an algorithm to have O(log n) complexity?
...h of (some function of N)" if and only if:
For all N > some arbitrary N_0, there is some constant c, such that the runtime of the algorithm is less than that constant c times (some function of N.)
In other words, don't think about small problems where the "constant overhead" of setting up the...
What's the maximum value for an int in PHP?
...rt unsigned
integers. Integer size can be
determined using the constant
PHP_INT_SIZE, and maximum value using
the constant PHP_INT_MAX since PHP
4.4.0 and PHP 5.0.5.
64-bit platforms usually have a maximum value of about 9E18, except on Windows prior to PHP 7, where it was always 32 bit.
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How do I remove all non alphanumeric characters from a string except dash?
... Here's a regex compiled version: return Regex.Replace(str, "[^a-zA-Z0-9_.]+", "", RegexOptions.Compiled); Same basic question
– Paige Watson
Sep 30 '11 at 16:35
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Explicitly set Id with Doctrine when using “AUTO” strategy
...adata->setIdGeneratorType(\Doctrine\ORM\Mapping\ClassMetadata::GENERATOR_TYPE_NONE);
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join list of lists in python [duplicate]
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import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))
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How to select the nth row in a SQL database table?
...upports the standard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
FROM tablename
) AS foo
WHERE rownumber <= n
(which I just copied from the site linked above since I never use those DBs)
Update: As of PostgreSQL 8.4 the st...
How to filter by IP address in Wireshark?
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Maybe because Im running the trial version... >_<
– Shanimal
Jun 24 '13 at 15:51
2
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Android: Clear the back stack
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Try adding FLAG_ACTIVITY_NEW_TASK as described in the docs for FLAG_ACTIVITY_CLEAR_TOP:
This launch mode can also be used to
good effect in conjunction with
FLAG_ACTIVITY_NEW_TASK: if used to
start the root activity of a task, it
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