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How do I append one string to another in Python?
I want an efficient way to append one string to another in Python, other than the following.
10 Answers
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How to get the return value from a thread in python?
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In Python 3.2+, stdlib concurrent.futures module provides a higher level API to threading, including passing return values or exceptions from a worker thread back to the main thread:
import concurrent.futures
def foo(bar):
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Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
23
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ssibilities:
You can use the builtin list.copy() method (available since Python 3.3):
new_list = old_list.copy()
You can slice it:
new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In...
Dictionary vs Object - which is more efficient and why?
What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object?
8 Answers
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Can I get JSON to load into an OrderedDict?
...d while parsing source, OrderedDict will be used to build up the resulting python value.
– SingleNegationElimination
Aug 22 '19 at 0:33
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sh...
How to percent-encode URL parameters in Python?
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Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended ...
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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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...
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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