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Which is better in python, del or delattr?
... (foo)
6 LOAD_CONST 1 ('bar')
9 CALL_FUNCTION 2
12 POP_TOP
This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really...
How to find where a method is defined at runtime?
...
This is really late, but here's how you can find where a method is defined:
http://gist.github.com/76951
# How to find out where a method comes from.
# Learned this from Dave Thomas while teaching Advanced Ruby Studio
# Makes the cas...
How to document class attributes in Python? [closed]
...y has a specific meaning in python. What you're talking about is what we call class attributes. Since they are always acted upon through their class, I find that it makes sense to document them within the class' doc string. Something like this:
class Albatross(object):
"""A bird with a fligh...
How should I call 3 functions in order to execute them one after the other?
If I need call this functions one after other,
11 Answers
11
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Algorithm to find Largest prime factor of a number
...
Actually there are several more efficient ways to find factors of big numbers (for smaller ones trial division works reasonably well).
One method which is very fast if the input number has two factors very close to its square r...
a href link for entire div in HTML/CSS
...
UPDATE 06/10/2014: using div's inside a's is semantically correct in HTML5.
You'll need to choose between the following scenarios:
<a href="http://google.com">
<div>
Hello world
</div>
</a>
which is semantically incorrect, but it wil...
What does __FILE__ mean in Ruby?
I see this all the time in Ruby:
4 Answers
4
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How can I beautify JavaScript code using Command Line?
...y-web/js-beautify/blob/master/js/lib/beautify.js
Second, download and install The Mozilla group's Java based Javascript engine, Rhino. "Install" is a little bit misleading; Download the zip file, extract everything, place js.jar in your Java classpath (or Library/Java/Extensions on OS X). You ca...
Redirecting stdout to “nothing” in python
...
A nice way to do this is to create a small context processor that you wrap your prints in. You then just use is in a with-statement to silence all output.
Python 2:
import os
import sys
from contextlib import contextmanager
@contextmanager
def silence_stdout():
...
What techniques can be used to speed up C++ compilation times?
...ity that takes advantage of caching techniques to speed things up.
Use Parallelism
Many compilers / IDEs support using multiple cores/CPUs to do compilation simultaneously. In GNU Make (usually used with GCC), use the -j [N] option. In Visual Studio, there's an option under preferences to allow it...