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How to concatenate multiple lines of output to one line?
...line characters to spaces:
$ grep pattern file | tr '\n' ' '
Note: grep reads files, cat concatenates files. Don't cat file | grep!
Edit:
tr can only handle single character translations. You could use awk to change the output record separator like:
$ grep pattern file | awk '{print}' ORS='" '...
Get a random boolean in python?
...rt random
If utmost speed isn't to priority then random.choice definitely reads better
$ python -m timeit -s "import random" "random.choice([True, False])"
1000000 loops, best of 3: 0.904 usec per loop
$ python -m timeit -s "import random" "random.choice((True, False))"
1000000 loops, best of 3: ...
Keep only date part when using pandas.to_datetime
...s have a method called normalize that does exactly what you want.
You can read more about it in this answer.
It can be used as ser.dt.normalize()
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What is the App_Data folder used for in Visual Studio?
...ab. "App_Data" is listed there as a restricted folder. Yes i know this thread is really old, but this is still applicable.
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What does %w(array) mean?
...)
%i(one two three)
# good
%w[one two three]
%i[one two three]
For more read here.
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How to get the HTML for a DOM element in javascript
...eturn lines? str.replace(/> *</g,'>\n<'): str;
//easier to read if elements are separated
}
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Get the client's IP address in socket.io
...
Where did you get the info? I thought I had read all the docs for socket.io and did not see this. It worked perfectly to solve my problems similar to the OP.
– MikeB
Jun 13 '14 at 18:42
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How do I set the UI language in vim?
...ince their definition is loaded once at startup, very early on, and not re-read again later. So you really do need to set LC_ALL (or more specifically LC_MESSAGES) in your environment – or on non-Unixoid systems (eg. Windows), you can pass the --cmd switch (which executes the given command first t...
Using .text() to retrieve only text not nested in child tags
...e this.nodeType == Node.TEXT_NODE instead of this.nodeType == 3. Easier to read and understand IMO.
– NorTicUs
Oct 8 '14 at 9:02
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Compile, Build or Archive problems with Xcode 4 (and dependencies)
..." to YES. (link)
With newer versions of Xcode (> 4.2) you might want to read this question related to workspaces.
Manually delete the project.xcworkspace files form all referenced projects
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