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How to unmount a busy device
I've got some samba drives that are being accessed by multiple users daily. I already have code to recognize shared drives (from a SQL table) and mount them in a special directory where all users can access them.
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Django rest framework nested self-referential objects
I have model that looks like this:
11 Answers
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How to check size of a file using Bash?
I've got a script that checks for 0-size, but I thought there must be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
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surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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How to loop over directories in Linux?
I am writing a script in bash on Linux and need to go through all subdirectory names in a given directory. How can I loop through these directories (and skip regular files)?
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SQL Server, convert a named instance to default instance?
I need to convert a named instance of SQL server 2005, to a default instance.
7 Answers
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What is the difference between “ is None ” and “ ==None ”
I recently came across this syntax, I am unaware of the difference.
5 Answers
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How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
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How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
11 Answers
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Custom bullet symbol for elements in that is a regular character, and not an image
I realize one can specify a custom graphic to be a replacement bullet character, using CSS attribute:
15 Answers
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