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np.mean() vs np.average() in Python NumPy?
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Twitter Bootstrap 3: how to use media queries?
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657
Bootstrap 3
Here are the selectors used in BS3, if you want to stay consistent:
@media(max-wi...
Rails create or update magic?
...odels nor does it trigger Active Record callbacks or validations.
Rails 5, 4, and 3
Not if you are looking for an "upsert" (where the database executes an update or an insert statement in the same operation) type of statement. Out of the box, Rails and ActiveRecord have no such feature. You can ...
Explode PHP string by new line
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answered Apr 6 '15 at 13:05
LarzanLarzan
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How can I transform string to UTF-8 in C#?
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257
As you know the string is coming in as Encoding.Default you could simply use:
byte[] bytes = E...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
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git mv and only change case of directory
...of the comments, you can also do an interactive rebase (git rebase -i HEAD~5 if the wrong case was introduced 5 commits ago) to fix the case there and not have the wrong case appear anywhere in the history at all. You have to be careful if you do this as the commit hashes from then on will be differ...
java.net.UnknownHostException: Invalid hostname for server: local
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edited Dec 18 '17 at 23:53
rogerdpack
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How to ignore a property in class if null, using json.net
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edited Jan 30 '16 at 20:51
answered Jun 28 '11 at 14:20
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...spect.gsub(",", "\n")
– Gus
Jul 4 '15 at 13:43
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