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How can I replace a newline (\n) using sed?
How can I replace a newline (" \n ") with a space (" ") using the sed command?
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How do you find the current user in a Windows environment?
...ou can get a complete list of environment variables by running the command set from the command prompt.
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What's the opposite of head? I want all but the first N lines of a file
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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How do I turn a python datetime into a string, with readable format date?
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The datetime class has a method strftime. The Python docs documents the different formats it accepts:
Python 2: strftime() Behavior
Python 3: strftime() Behavior
For this specific example, it would look something like:
my_datetime.strftime("%B %d, %Y")
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
...u can try this:
Remove RECENT_WORKSPACES line from eclipse/configuration/.settings/org.eclipse.ui.ide.prefs
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Convert the values in a column into row names in an existing data frame
...lue = value) : invalid 'row.names' length In addition: Warning message: Setting row names on a tibble is deprecated.
– user3673
Jun 18 '17 at 2:54
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Why does Pycharm's inspector complain about “d = {}”?
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This can be disabled in the Project Settings or Default Settings.
Navigate to Settings -> Inspections -> Python
Uncheck "Dictionary creation could be rewritten by dictionary literal"
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Scala Doubles, and Precision
Is there a function that can truncate or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
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Applying .gitignore to committed files
...dex --no-assume-unchanged <file>
to find out which files have been set this way:
git ls-files -v|grep '^h'
credit for the original answer to
http://blog.pagebakers.nl/2009/01/29/git-ignoring-changes-in-tracked-files/
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MySQL: ignore errors when importing?
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