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Why were pandas merges in python faster than data.table merges in R in 2012?
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120
It looks like Wes may have discovered a known issue in data.table when the number of unique st...
Do I have to Close() a SQLConnection before it gets disposed?
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109
Since you have a using block, the Dispose method of the SQLCommand will be called and it will ...
Should I use single or double colon notation for pseudo-elements?
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71
Do not use both combined with a comma. A CSS 2.1 compliant (not CSS3 capable) user agent will ig...
In which scenario do I use a particular STL container?
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10 Answers
10
Active
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How to drop all user tables?
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edited Oct 10 '19 at 7:06
Rafael Winterhalter
36.1k1313 gold badges8585 silver badges167167 bronze badges
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
... applications ..
To avoid this
injection in Rails 3, include the rails_12factor gem in your
application. (Heroku Ruby Support 2013-10-26)
The rails_12factor gem is also required in rails 4.
If this gem is not present in your application, you will receive a
warning while deploying, and ...
iOS 7 parallax effect in my view controller
...TypeTiltAlongVerticalAxis];
verticalMotionEffect.minimumRelativeValue = @(-10);
verticalMotionEffect.maximumRelativeValue = @(10);
// Set horizontal effect
UIInterpolatingMotionEffect *horizontalMotionEffect =
[[UIInterpolatingMotionEffect alloc]
initWithKeyPath:@"center.x"
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How to Copy Contents of One Canvas to Another Canvas Locally
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Aug 21 '11 at 22:30
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Convert timestamp in milliseconds to string formatted time in Java
I am trying to convert a long value ( number of milliseconds elapsed from 1/1/1970 i.e. Epoch ) to time of format h:m:s:ms .
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