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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this:
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List distinct values in a vector in R
How can I list the distinct values in a vector where the values are replicative? I mean, similarly to the following SQL statement:
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Using the slash character in Git branch name
I'm pretty sure I saw somewhere in a popular Git project the branches had a pattern like "feature/xyz".
5 Answers
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How to set custom location for local installation of npm package?
Is it possible to specify a custom package destination for npm install , either through a command flag or environment variable?
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How to find all occurrences of a substring?
Python has string.find() and string.rfind() to get the index of a substring in a string.
20 Answers
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How can you use an object's property in a double-quoted string?
I have the following code:
4 Answers
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Way to read first few lines for pandas dataframe
Is there a built-in way to use read_csv to read only the first n lines of a file without knowing the length of the lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the...
SQLite Reset Primary Key Field
I have a few tables in SQLite and I am trying to figure out how to reset the auto-incremented database field.
4 Answers
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$(window).scrollTop() vs. $(document).scrollTop()
What's the difference between:
4 Answers
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Argparse optional positional arguments?
I have a script which is meant to be used like this:
usage: installer.py dir [-h] [-v]
3 Answers
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