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What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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How do I clear the terminal screen in Haskell?
How can I clear a terminal screen after my user has selected an option from my application's menu?
8 Answers
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No newline at end of file
When doing a git diff it says "No newline at end of file" .
12 Answers
12
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How to hide the keyboard when I press return key in a UITextField?
Clicking in a textfield makes the keyboard appear.
How do I hide it when the user presses the return key?
12 Answers
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How to find the array index with a value?
Say I've got this
12 Answers
12
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Can I use a binary literal in C or C++?
I need to work with a binary number.
19 Answers
19
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Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
5
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iOS 5 Best Practice (Release/retain?)
As a beginning iPhone programmer, what is the best practice for writing apps to be used either with iOS 5 or older versions? Specifically, should I continue using the release/retain of data, or should I ignore that? Does it matter?
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Reverse Y-Axis in PyPlot
I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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Convert String array to ArrayList [duplicate]
I want to convert String array to ArrayList . For example String array is like:
5 Answers
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