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Django-Admin: CharField as TextArea
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GezimGezim
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
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Martin GMartin G
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npm not working - “read ECONNRESET”
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GowthamGowtham
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CSS: Animation vs. Transition
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paulcpedersonpaulcpederson
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How can I clear event subscriptions in C#?
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David Dowdle
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answered Sep 30 '08 at 16:05
Jon SkeetJon Skeet
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All Ruby tests raising: undefined method `authenticate' for nil:NilClass
... in one of my projects.
It is using Ruby 2.0.0-p598, Rails 3.2.21, RSpec 2.99.
When I run all specs together the problem occurred.
When I ran the specs individually, they passed.
I have the following included in my spec/spec_helper.rb:
RSpec.configure do |config|
# ...
config.include Devise::Te...
How to check if type of a variable is string?
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1199
In Python 2.x, you would do
isinstance(s, basestring)
basestring is the abstract superclass ...
How to convert JSON string to array
... Dinanath ThakurDinanath Thakur
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Different ways of clearing lists
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NixManNixMan
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Convert array of strings into a string in Java
...h unneeded synchronization. In short, you're better using StringBuilder in 99% of cases - functionality wise, the two are identical.
DON'T use a string and just append to it with += like some of the answers show here. This sends the GC through the roof because you're creating and throwing away as m...