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Python module for converting PDF to text [closed]
...ilename, 'rb')
parser = PDFParser(fp) #<-- changed
parser.set_document(doc) #<-- added
doc.set_parser(parser) #<-- added
doc.initialize('')
interpreter = PDFPageInterpreter(rsrc, device)
for i, page in enumerate(doc.get_pages()):
outfp.write...
Find the most frequent number in a numpy vector
...r loop
>>>
>>> max(map(lambda val: (a.count(val), val), set(a)))[1]
12
>>> %timeit max(map(lambda val: (a.count(val), val), set(a)))[1]
100000 loops, best of 3: 4.11 µs per loop
>>>
Best is 'max' with 'set' for small arrays like the problem.
According to @Da...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...
If the objective is to get a subset of the data set using the index, it is best to avoid using loc or iloc. Instead you should use syntax similar to this :
df = pd.DataFrame(data=range(5), index=[1, 2, 3, 3, 3])
result = df[df.index == 3]
isinstance(resu...
Listing only directories using ls in Bash?
...ers. To include them, either specify them explicitly like ls -d .*/ */, or set the dotglob option in Bash.
– Gergő
Jan 11 '15 at 15:15
1
...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
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How to randomly select rows in SQL?
...re each row gets a random number, and then a large unindexed random number set is sorted?
– Andrey
Apr 19 '14 at 16:04
...
Why do we use arrays instead of other data structures?
...he address to that mailbox.
In C, an array is simply a pointer with an offset, the offset specifies how far in memory to look. This provides O(1) access time.
MyArray [5]
^ ^
Pointer Offset
All other data structures either build upon this, or do not use adjacent memory for sto...
Multiple arguments to function called by pthread_create()?
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How to split() a delimited string to a List
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How to list variables declared in script in bash?
...
set will output the variables, unfortunately it will also output the functions defines as well.
Luckily POSIX mode only outputs the variables:
( set -o posix ; set ) | less
Piping to less, or redirect to where you want th...
