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What are '$$' used for in PL/pgSQL
Being completely new to PL/pgSQL , what is the meaning of double dollar signs in this function :
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How can I tell Moq to return a Task?
I've got an interface which declares
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Python extending with - using super() Python 3 vs Python 2
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Rails.env vs RAILS_ENV
I see both in examples when checking what env one is running in. What's preferred? Are they, for all intents and purposes equal?
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What's the difference between io.sockets.emit and broadcast?
What's the difference between io.sockets.emit and socket.broadcast.emit? Is it only that broadcast emits to everyone BUT the socket that sends it?
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Get current stack trace in Ruby without raising an exception
I want to log the current backtrace (stacktrace) in a Rails 3 app without an exception occurring. Any idea how?
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Adding a y-axis label to secondary y-axis in matplotlib
I can add a y label to the left y-axis using plt.ylabel , but how can I add it to the secondary y-axis?
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
... realize there are a ton of questions about this, but none that I found specifically referenced which VS version they referred to. With that important information lacking, I still was unable to successfully use the answers I found. The most common was
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Stretch child div height to fill parent that has dynamic height
As it can be seen in the following fiddle, I have two div s, contained in a parent div that have stretched to contain the big div, my goal is to make those child div s equal in height.
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recursively add file extension to all files
I have a few directories and sub-directories containing files with no file extension. I want to add .jpg to all the files contained within these directories. I've seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?
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