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ValueError : I/O operation on closed file
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Indent correctly; your for statement should be inside the with block:
import csv
with open('v.csv', 'w') as csvfile:
cwriter = csv.writer(csvfile, delimiter=' ', quotechar='|', quoting=csv.QUOTE_MINIMAL)
for w, c in p.items():
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Can I add comments to a pip requirements file?
I'd like to add comments for a few packages in a pip requirements file. (Just to explain why that package is on the list.) Can I do this?
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How to display nodejs raw Buffer data as Hex string
The following code uses SerialPort module to listen to data from a bluetooth connection.
2 Answers
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How to write log base(2) in c/c++
...mpiler doesn't know that log10 will return the same value every time. For all the compiler knows, log10(2) could return different values on successive calls.
– abelenky
Jun 17 '10 at 21:24
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regex to match a single character that is anything but a space
I need to match a single character that is anything but a space but I don't know how to do that with regex.
2 Answers
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Is Python strongly typed?
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Python is strongly, dynamically typed.
Strong typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit...
Inline code highlighting in reStructuredText
I know reStructuredText has this directive:
1 Answer
1
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Eclipse Autocomplete (percent sign, in Juno)
I started using Eclipse Juno a few days ago after using older versions for years.
1 Answer
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What's a quick way to test to see a file exists?
I want to quickly check to see if a file exists in my iPhone app's Documents directory (or any path for that matter). I can enumerate through the directory's files, or I can try to open a specific file. What's the fastest way? I just need to know if the file is there or if it does not exist.
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setting multiple column using one update
How to set multiple columns of a table using update query in mysql?
2 Answers
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