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ERROR: Error installing capybara-webkit:
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For Ubuntu 16.04
sudo apt-get install qt-sdk
Followed by
gem install capybara-webkit -v '1.11.0'
or replace with whatever version you want to install.
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Can I return the 'id' field after a LINQ insert?
... imageUploader: {
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What does void mean in C, C++, and C#?
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What does (void)p do? I did not quite get what you meant by "usage of value is absent."
– Yashas
Nov 27 '17 at 13:20
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rails 3 validation on uniqueness on multiple attributes
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Excluding directories in os.walk
...ng dirs in-place will prune the (subsequent) files and directories visited by os.walk:
# exclude = set(['New folder', 'Windows', 'Desktop'])
for root, dirs, files in os.walk(top, topdown=True):
dirs[:] = [d for d in dirs if d not in exclude]
From help(os.walk):
When topdown is true, the calle...
Resize HTML5 canvas to fit window
How can I automatically scale the HTML5 <canvas> element to fit the page?
15 Answers
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How to define a circle shape in an Android XML drawable file?
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@AnshulTyagi I believe you can do that by calling yourView.getBackground() and setting the color manually. you need to cast it to a proper type like ShapeDrawable. There are related questions on SO about this.
– M. Reza Nasirloo
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How to redirect to Index from another controller?
... Just simply redirecting to another view in a different folder represented by a different controller was getting by me until I read this.
– atconway
Aug 2 '12 at 18:31
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Skip callbacks on Factory Girl and Rspec
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None of these solutions are good. They deface the class by removing functionality that should be removed from the instance, not from the class.
factory :user do
before(:create){|user| user.define_singleton_method(:send_welcome_email){}}
Instead of suppressing the callback, I ...
Difference between Dictionary and Hashtable [duplicate]
... collection is that it does boxing automatically for your values and
in order to get your original value you need to perform unboxing ,
these to decrease your application performance as penalty.
Dictionary: This is generic type of collection where no implicit
boxing, so no need to unboxi...