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Python - Passing a function into another function
I am solving a puzzle using python and depending on which puzzle I am solving I will have to use a special set of rules. How can I pass a function into another function in Python?
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Learning Ruby on Rails
...ment with Rails; both books have been excellent.
Peepcode screencasts and PDF books have also been great for getting started; at $9 per screencast it's hard to go wrong. I actually bought a 5-pack.
Also check out the following:
Official Rails Guides
Railscasts
railsapi.com or Ruby on Rails - AP...
Explicitly select items from a list or tuple
I have the following Python list (can also be a tuple):
8 Answers
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Why is printing to stdout so slow? Can it be sped up?
...ng. :-)
The disk appears to be faster, because it is highly buffered: all Python's write() calls are returning before anything is actually written to physical disk. (The OS does this later, combining many thousands of individual writes into a big, efficient chunks.)
The terminal, on the other hand...
Python + Django page redirect
...thod as of Django 1.0. See this answer: stackoverflow.com/questions/523356/python-django-page-redirect/…
– Jake
Dec 16 '10 at 0:40
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Rotating a two-dimensional array in Python
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That's a clever bit.
First, as noted in a comment, in Python 3 zip() returns an iterator, so you need to enclose the whole thing in list() to get an actual list back out, so as of 2020 it's actually:
list(zip(*original[::-1]))
Here's the breakdown:
[::-1] - makes a shallow co...
How to merge dictionaries of dictionaries?
...tate the first argument; that makes the "reduce" easier to explain]
ps in python 3, you will also need from functools import reduce
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How to leave/exit/deactivate a Python virtualenv
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To activate a Python virtual environment:
$cd ~/python-venv/
$./bin/activate
To deactivate:
$deactivate
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Difference between static memory allocation and dynamic memory allocation
...R's The C programming language, Appendix A, Section 4.1, "Storage Class". (PDF)
C11 standard, section 5.1.2, 6.2.2.3
Wikipedia also has good pages on Static Memory allocation, Dynamic Memory Allocation and Automatic memory allocation
The C Dynamic Memory Allocation page on Wikipedia
This Memory Mana...
Understanding repr( ) function in Python
...can "eval()"
it, meaning it is a string representation that evaluates to a Python
object)
5 Answers
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