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How to import CSV file data into a PostgreSQL table?
How can I write a stored procedure that imports data from a CSV file and populates the table?
18 Answers
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How to do a simple file search in cmd
I want to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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Profiling Vim startup time
...m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
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How do you merge two Git repositories?
...com/rails/rails.git master
This will appear as a single commit where all files of Rails master branch are added into "rails" directory.
However the commit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. You ...
What's the difference between .so, .la and .a library files?
I know an .so file is a kind of dynamic library (lots of threads can share such libraries so there is no need to have more than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries?
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deny direct access to a folder and file by htaccess
... block direct access to the whole includes folder, you can put a .htaccess file in that folder that contains just:
deny from all
That way you cannot open any file from that folder, but you can include them in php without any problems.
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Import multiple csv files into pandas and concatenate into one DataFrame
I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far:
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Notification when a file changes?
Is there some mechanism by which I can be notified (in C#) when a file is modified on the disc?
3 Answers
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How should strace be used?
...ls issued by a program along with their return codes. Think things such as file/socket operations and a lot more obscure ones.
It is most useful if you have some working knowledge of C since here system calls would more accurately stand for standard C library calls.
Let's say your program is /usr/...
Writing a Python list of lists to a csv file
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import csv
with open(file_path, 'a') as outcsv:
#configure writer to write standard csv file
writer = csv.writer(outcsv, delimiter=',', quotechar='|', quoting=csv.QUOTE_MINIMAL, lineterminator='\n')
writer.writerow(['number', 'text...