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Android studio: new project vs new module
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edited Sep 17 '13 at 11:13
answered Jun 19 '13 at 9:37
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...n emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline.after 2-3 minutes the list of attached devices ...
MySQL select one column DISTINCT, with corresponding other columns
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diEchodiEcho
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How to return an empty ActiveRecord relation?
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Patrick Brinich-Langlois
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answered Apr 3 '12 at 20:39
steveh7steveh7
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How to 'minify' Javascript code
.../shorter
var a=10;
a+='';//String
a*=1;//Number
Round a number
var a=10.3899845
var b=Math.round(a);
//same as
var b=(a+.5)|0;//numbers up to 10 decimal digits (32bit)
Floor a number
var a=10.3899845
var b=Math.floor(a);
//same as
var b=a|0;//numbers up to 10 decimal digits (32bit)
switch ca...
How to increase font size in a plot in R?
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Dirk EddelbuettelDirk Eddelbuettel
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adding noise to a signal in python
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AkavallAkavall
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bash: pip: command not found
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531
Why not just do sudo easy_install pip or if this is for python 2.6 sudo easy_install-2.6 pip?
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
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380
You can use jmap to get a dump of any process running, assuming you know the pid.
Use Task Ma...
How to take column-slices of dataframe in pandas
...ing to 'bar'
df.loc[:, :'bar']
# foo bar
# slice from 'quz' to the end by 3
df.loc[:, 'quz'::3]
# quz sat
# attempt from 'sat' to 'bar'
df.loc[:, 'sat':'bar']
# no columns returned
# slice from 'sat' to 'bar'
df.loc[:, 'sat':'bar':-1]
sat cat ant quz bar
# slice notation is syntatic sugar for th...