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if A vs if A is not None:
...the is None test was indeed the slowest for me. In pypy they all measured em>x m>actly the same :)
– John La Rooy
Mar 25 '13 at 6:09
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Transform DateTime into simple Date in Ruby on Rails
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DateTime#to_date does em>x m>ist with ActiveSupport:
$ irb
>> DateTime.new.to_date
NoMethodError: undefined method 'to_date' for #<DateTime: -1/2,0,2299161>
from (irb):1
>> require 'active_support/core_em>x m>t'
=> true
>> D...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...te elements and has a defined order that generally does not change unless em>x m>plicitly made to do so. stacks and queues are both types of lists that provide specific (often limited) behavior for adding and removing elements (stacks being LIFO, queues being FIFO). Lists are practical representations of...
Force the origin to start at 0
How can I set the origin / interception of the y-am>x m>is and m>x m>-am>x m>is in ggplot2?
3 Answers
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Subscripts in plots in R
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em>x m>pression is your friend:
plot(1,1, main=em>x m>pression('title'^2)) #superscript
plot(1,1, main=em>x m>pression('title'[2])) #subscript
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Convert Enumeration to a Set/List
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There is a simple em>x m>ample of convert enumeration to list. for this i used Collections.list(enum) method.
public class EnumerationToList {
public static void main(String[] args) {
Vector<String> vt = new Vector<String&g...
NSURLRequest setting the HTTP header
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Em>x m>cellent answer! I wanted to point out that RamS's answer has nice documentation.
– fskirschbaum
Dec 13 '14 at 19:25
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How to use ADB to send touch events to device using sendevent command?
...simulate miscellaneous input events. To simulate tapping, it's:
input tap m>x m> y
You can use the adb shell ( > 2.3.5) to run the command remotely:
adb shell input tap m>x m> y
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Get MIME type from filename em>x m>tension
How can I get the MIME type from a file em>x m>tension?
24 Answers
24
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Fastest way to em>x m>tract frames using ffmpeg?
Hi I need to em>x m>tract frames from videos using ffmpeg.. Is there a faster way to do it than this:
6 Answers
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