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How to create PDF files in Python [closed]
... this:
First, download the Windows installer and source
Then try this on Python command line:
from reportlab.pdfgen import canvas
from reportlab.lib.units import inch, cm
c = canvas.Canvas('ex.pdf')
c.drawImage('ar.jpg', 0, 0, 10*cm, 10*cm)
c.showPage()
c.save()
All I needed is to get a bunch...
Converting numpy dtypes to native python types
If I have a numpy dtype, how do I automatically convert it to its closest python data type? For example,
12 Answers
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ImportError: No module named Crypto.Cipher
When I try to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import statement is just from Crypto.Cipher import AES . I looked for duplicates and you might say that there are some, but I tried the solutions (although most are not even solutions) and n...
When to use %r instead of %s in Python? [duplicate]
On Learn Python the Hard Way page 21, I see this code example:
4 Answers
4
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Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
9 Answers
9
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How to use string.replace() in python 3.x
The string.replace() is deprecated on python 3.x. What is the new way of doing this?
8 Answers
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Assigning a variable NaN in python without numpy
...s have a NaN constant you can use to assign a variable the value NaN. Can python do this without using numpy?
6 Answers
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How can I sort a dictionary by key?
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Standard Python dictionaries are unordered. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering.
The easiest way is to use OrderedDict, which remembers the ...
In Python, how do you convert a `datetime` object to seconds?
Apologies for the simple question... I'm new to Python... I have searched around and nothing seems to be working.
10 Answer...
Best way to handle list.index(might-not-exist) in python?
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There is nothing "dirty" about using try-except clause. This is the pythonic way. ValueError will be raised by the .index method only, because it's the only code you have there!
To answer the comment:
In Python, easier to ask forgiveness than to get permission philosophy is well established,...