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Linear Regression and group by in R
...4879969 -0.119510035 1.2276294 0.0392312 0.8479318 2
# 2 NY 0.105032068 -0.006838924 0.8797785 0.9388678 0.3609470 2
# Variables not shown: logLik (dbl), AIC (dbl), BIC (dbl), deviance (dbl),
# df.residual (int)
fitted_models %>% augment(model)
# Source: local data frame [20 x 10]...
Unit testing Anti-patterns catalogue
anti-pattern : there must be at least two key elements present to formally distinguish an actual anti-pattern from a simple bad habit, bad practice, or bad idea:
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Error renaming a column in MySQL
...on
– Mr. Deathless
Jan 21 '16 at 18:32
@Dejan thanks and this is really annoying, why require a type when you can't sp...
AWS S3 copy files and folders between two buckets
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A simplified example using the aws-sdk gem:
AWS.config(:access_key_id => '...', :secret_access_key => '...')
s3 = AWS::S3.new
s3.buckets['bucket-name'].objects['source-key'].copy_to('target-key')
If you want to perform the copy between different buckets, then specify the target ...
json_encode is returning NULL?
...l).
– Peter Krauss
May 29 '16 at 18:32
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Leading zeros for Int in Swift
...wn below in order to solve your problem.
#1. Using String's init(format:_:) initializer
Foundation provides Swift String a init(format:_:) initializer. init(format:_:) has the following declaration:
init(format: String, _ arguments: CVarArg...)
Returns a String object initialized by using ...
How do I move forward and backward between commits in git?
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answered Oct 7 '17 at 9:32
DziamidDziamid
9,7111111 gold badges5858 silver badges9999 bronze badges
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Hidden features of Perl?
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Cool! !!$undef_var doesn't create a warning.
– Axeman
Oct 2 '08 at 20:40
4
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Get current domain
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Try using this: $_SERVER['SERVER_NAME']
Or parse
$_SERVER['REQUEST_URI']
apache_request_headers()
share
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improve this answer
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Swift: #warning equivalent
...mple all at the same time.
// Description of what you need to fix
var FIX_ME__????????????: AnyObject
Throws a warning that 'FIX_ME__????????????' was never used.
You can add emoticons to the variable name if you like... I often use ???? and ????, for something that really needs fixing I'd eve...