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ERROR: Error installing capybara-webkit:
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If you are in Ubuntu do
sudo apt-get install qt4-dev-tools libqt4-dev libqt4-core libqt4-gui
If you are on Mac
brew install qt
and then
gem install capybara-webkit -v '0.11.0'
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Python : List of dict, if exists increment a dict value, if not append a new dict
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edited Oct 28 '13 at 19:46
answered Nov 7 '09 at 8:28
ste...
Output data from all columns in a dataframe in pandas [duplicate]
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42
There is too much data to be displayed on the screen, therefore a summary is displayed instead....
How to prevent browser page caching in Rails
...nse.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Control"] = "no-cache, no-store"
response....
Array include any value from another array?
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NakilonNakilon
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3
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Regex how to match an optional character
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4 Answers
4
Active
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Appending to an existing string
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answered Mar 1 '10 at 15:44
sepp2ksepp2k
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R data formats: RData, Rda, Rds etc
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answered Jan 26 '14 at 22:53
KenMKenM
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
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1484
+500
Here's...