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Write lines of text to a file in R
In the R scripting language, how do I write lines of text, e.g. the following two lines
13 Answers
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How to send commands when opening a tmux session inside another tmux session?
A typical situation may be:
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Restore the state of std::cout after manipulating it
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Creating Threads in python
I have a script and I want one function to run at the same time as the other.
6 Answers
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How do I temporarily disable triggers in PostgreSQL?
I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis.
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How can I dynamically add a directive in AngularJS?
I have a very boiled down version of what I am doing that gets the problem across.
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Running multiple commands with xargs
In the example above, xargs takes echo % as the command argument. But in some cases, I need multiple commands to process the argument instead of one. For example:
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git diff file against its last change
Is it possible to get git to produce a diff between a specific file as it exists now, and as it existed before the last commit that changed it?
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Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
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What really is a deque in STL?
I was looking at STL containers and trying to figure what they really are (i.e. the data structure used), and the deque stopped me: I thought at first that it was a double linked list, which would allow insertion and deletion from both ends in constant time, but I am troubled by the promise made ...