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How to join multiple lines of file names into one with custom delimiter?
I would like to join the result of ls -1 into one line and delimit it with whatever i want.
22 Answers
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Modifying a subset of rows in a pandas dataframe
Assume I have a pandas DataFrame with two columns, A and B. I'd like to modify this DataFrame (or create a copy) so that B is always NaN whenever A is 0. How would I achieve that?
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How can I read command line parameters from an R script?
I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows.
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Convert int to ASCII and back in Python
...d(node_id, 58)
url = BASE58[mod] + url
node_id = int(div)
return 'http://short.com/%s' % BASE58[node_id] + url
Turning that back into a number isn't a big deal either.
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Exit codes in Python
I got a message saying script xyz.py returned exit code 0 . What does this mean?
13 Answers
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With MySQL, how can I generate a column containing the record index in a table?
Is there any way I can get the actual row number from a query?
8 Answers
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Appending a line to a file only if it does not already exist
I need to add the following line to the end of a config file:
10 Answers
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How to get evaluated attributes inside a custom directive
...should wrap it in quotes. (See 3rd input)
Here is the fiddle to play with: http://jsfiddle.net/neuTA/6/
Old Answer:
I'm not removing this for folks who can be misled like me, note that using $eval is perfectly fine the correct way to do it, but $parse has a different behavior, you probably won't nee...
Ruby / Rails: convert int to time OR get time from integer?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to handle multiple cookies with the same name?
Say for example I had an application sending the following HTTP headers to set to cookie named "a":
6 Answers
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