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Most efficient way to prepend a value to an array
Assuming I have an array that has a size of N (where N > 0 ), is there a more efficient way of prepending to the array that would not require O(N + 1) steps?
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Filter dataframe rows if value in column is in a set list of values [duplicate]
I have a Python pandas DataFrame rpt :
7 Answers
7
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How to get a reference to a module inside the module itself?
How can I get a reference to a module from within that module? Also, how can I get a reference to the package containing that module?
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How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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See “real” commit date in github (hour/day)
Is there a way to see the date of a commit in github, with day/hour precision? Older commits appear in a "human readable" format, such as "2 years ago" instead of showing the actual date.
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How to catch SQLServer timeout exceptions
I need to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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emacs, unsplit a particular window split
This may be stupid question, but I could not find direct solution to this. I often want to unsplit window as follows
2 Answ...
Undo a Git commit after push using reverse patch?
I've pushed a commit and I want to revert changes introduced by this commit by applying and committing a reversed patch. How do I do it?
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How to RSYNC a single file?
Currently i only RSync-ing the Directories as like:
4 Answers
4
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How do I tell matplotlib that I am done with a plot?
...llowing code plots to two PostScript (.ps) files, but the second one contains both lines.
6 Answers
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