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Creating Unicode character from its number
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YAML current date in rmarkdown
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SabDeMSabDeM
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Access an arbitrary element in a dictionary in Python
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91
That only works in Python 2.x, for 3.x you have to use list(my_dict.keys())[0]
– alldayremix
Oct 8 '...
linq query to return distinct field values from a list of objects
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Malice
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answered Jun 3 '11 at 18:53
Jon SkeetJon Skeet
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ActionController::InvalidAuthenticityToken
...n :verify_authenticity_token
On pages which do caching.
As @toobulkeh commented this is not a vulnerability on :index, :show actions, but beware using this on :put, :post actions.
For example:
caches_page :index, :show
skip_before_filter :verify_authenticity_token, :only => [:index, :s...
How can I “pretty print” a Duration in Java?
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Joda Time has a pretty good way to do this using a PeriodFormatterBuilder.
Quick Win: PeriodFo...
Parsing JSON with Unix tools
... tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed o...
How to change the Eclipse default workspace?
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Go to eclipse\configuration\
Open the file "config.ini"
Modify the line
osgi.instance.area.de...
Autolayout - intrinsic size of UIButton does not include title insets
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What's default HTML/CSS link color?
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standard link - #0000FF //blue
visited link - #800080 //purple
active link - #FF0000 //red
t...