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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
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Python argparse mutual exclusive group
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add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options...
Call a Server-side Method on a Resource in a RESTful Way
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Let's take a look a the proposed design:
ACTION http://api.animals.com/v1/dogs/1/
First off, we should not consider creating a new HTTP verb (ACTION). Generally speaking, this is undesirable for several reasons:
(1) Given only the service URI, how will a "random" programmer know the ACTION ve...
What is a non-capturing group in regular expressions?
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How to create circle with Bézier curves?
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How can I convert JSON to a HashMap using Gson?
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Check substring exists in a string in C
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get...
How to call a stored procedure from Java and JPA
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