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What are '$$' used for in PL/pgSQL

...Dollar-quoting is a PostgreSQL-specific substitute for single quotes to avoid quoting issues inside the function body. You could write your function definition with single-quotes just as well. But then you'd have to escape all single-quotes in the body: CREATE OR REPLACE FUNCTION check_phone_number...
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How can I tell Moq to return a Task?

...ck.Setup(arg=>arg.DoSomethingAsync()) .ThrowsAsync(new InvalidOperationException()); Update 2016-05-05 As Seth Flowers mentions in the other answer, ReturnsAsync is only available for methods that return a Task<T>. For methods that return only a Task, .Returns(Task.FromRes...
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Return first match of Ruby regex

... answered Feb 6 '09 at 8:53 PresidentenPresidenten 5,7271111 gold badges4141 silver badges5252 bronze badges ...
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Rails.env vs RAILS_ENV

...xplanation, thx! I'm also trying to find where RAILS_ENV is defined? Any idea?? – brad Apr 26 '10 at 16:57 ...
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What's the difference between io.sockets.emit and broadcast?

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Get current stack trace in Ruby without raising an exception

...ktrace (stacktrace) in a Rails 3 app without an exception occurring. Any idea how? 3 Answers ...
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What is sys.maxint in Python 3?

... One downside of this approach is that float inf can ruin the data type of arrays if you are trying to apply jit compilation with numba or Cython or similar. You may need a Python list of all integer types so that a jit compiler can au...
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Adding a y-axis label to secondary y-axis in matplotlib

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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,

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How can I make Array.Contains case-insensitive on a string array?

... @bdukes That's too strong of a statement. There are valid reasons to use InvariantCulture. Use of any of the three choices above depends on the circumstance. I don't object to your reordering, but I'm removing the "probably not" comment. It's already made clear in the answer that...