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How to change language settings in R
...setting, such as for example
defaults write org.R-project.R force.LANG en_US.UTF-8
when run in Terminal it will enforce US-english setting regardless of the system
setting. If you don't know what Terminal is you can use this R command
instead:
system("defaults write org.R-project.R fo...
How do I programmatically determine operating system in Java?
...es a wrapper for java.lang.System with handy properties like SystemUtils.IS_OS_WINDOWS, much like the aforementioned Swingx OS util.
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Can you attach a UIGestureRecognizer to multiple views?
...attach a UIGestureRecognizer to multiple views?"
– DD_
Feb 15 '13 at 9:33
7
This (or something ve...
Nginx reverse proxy causing 504 Gateway Timeout
I am using Nginx as a reverse proxy that takes requests then does a proxy_pass to get the actual web application from the upstream server running on port 8001.
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Possible reasons for timeout when trying to access EC2 instance
... Thanks a lot @dslosky you saved my life. :)
– A_01
Aug 30 '17 at 8:39
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How to check if hex color is “too black”?
...nipulation in javascript in a while. cool stuff. en.wikipedia.org/wiki/Rec._709#Luma_coefficients
– jbabey
Aug 20 '12 at 18:54
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filtering NSArray into a new NSArray in Objective-C
...Implicit conversion of 'NSUInteger' (aka 'unsigned long') to 'NSIndexSet * _Nonnull' is disallowed with ARC... it expects NSIndexSets
– anoop4real
Apr 28 at 8:01
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rails 3 validation on uniqueness on multiple attributes
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In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at...
Failed to serialize the response in Web API with Json
...oblem, this answer helped me to solve the issue.
– RK_Aus
Oct 13 '17 at 0:33
It works for me. No need to add using Sys...
how to check the jdk version used to compile a .class file [duplicate]
.... Useful if you don't have access to javap. ref: en.wikipedia.org/wiki/Java_class_file#General_layout
– Jim
Apr 24 '14 at 11:19
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