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How to replace a character with a newline in Emacs?
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edited Apr 9 '14 at 9:48
itsjeyd
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ans...
Simplest way to do a recursive self-join?
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113
WITH q AS
(
SELECT *
FROM mytable
WHERE ParentID IS ...
Scala: Nil vs List()
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189
scala> println (Nil == List())
true
scala> println (Nil eq List())
true
scala> prin...
composer: How to find the exact version of a package?
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176
I know it's an old question, but...
composer.phar show
Will show all the currently installe...
How to change the output color of echo in Linux
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You can use these ANSI escape codes:
Black 0;30 Dark Gray 1;30
Red 0;31 Light Red 1;31
Green 0;32 Light Green 1;32
Brown/Orange 0;33 Yellow 1;33
Blue 0;34 Light Blue 1;34
Purple 0;35 Light Purple 1;35
Cyan 0;...
A simple command line to download a remote maven2 artifact to the local repository?
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170
Since version 2.1 of the Maven Dependency Plugin, there is a dependency:get goal for this purp...
List All Redis Databases
...atabases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to know the number of databases:
CONFIG GET databases
1) "databases"
2) "16"
You can use the following command to list ...
How does IPython's magic %paste work?
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138
You can't copy to IPython directly. This are the steps:
Copy the lines you want to copy into...
Analyze audio using Fast Fourier Transform
...ly spaced frequencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be the 0 frequency coefficient. That is basically the av...
How to select rows from a DataFrame based on column values?
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