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Why dict.get(key) instead of dict[key]?
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@MustafaS: For example, suppose x = {'a':0}. Then x.get('a', 'foo') returns 0 but x.get('a') or 'foo' returns 'foo'.
– unutbu
Dec 4 '15 at 22:27
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Convert string to binary in python
...omething like this?
>>> st = "hello world"
>>> ' '.join(format(ord(x), 'b') for x in st)
'1101000 1100101 1101100 1101100 1101111 100000 1110111 1101111 1110010 1101100 1100100'
#using `bytearray`
>>> ' '.join(format(x, 'b') for x in bytearray(st, 'utf-8'))
'1101000 1100...
How to convert a scala.List to a java.util.List?
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Scala List and Java List are two different beasts, because the former is immutable and the latter is mutable. So, to get from one to another, you first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import s...
How to write iOS app purely in C
I read here Learn C Before Objective-C?
4 Answers
4
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Best practice for Python assert
...h early in the case of a corrupt program state.
Exceptions should be used for errors that can conceivably happen, and you should almost always create your own Exception classes.
For example, if you're writing a function to read from a configuration file into a dict, improper formatting in the fi...
Dynamically updating plot in matplotlib
...ts a graph of the collected data against arrival time. The time of arrival for the data is uncertain. I want the plot to be updated when data is received. I searched on how to do this and found two methods:
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Can you add new statements to Python's syntax?
...roach here: I'm going to add an until statement to Python.
All the coding for this article was done against the cutting-edge Py3k branch in the Python Mercurial repository mirror.
The until statement
Some languages, like Ruby, have an until statement, which is the complement to while (until num =...
How can I expand the full path of the current file to pass to a command in Vim?
...@HVNSweeting Shell: cd ~ ; vim .vimrc, Vim: :!echo %:h, should display '.' for the relative path.
– Annika Backstrom
Apr 6 '13 at 1:33
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sho...
(Mac) -bash: __git_ps1: command not found
...git-prompt.sh) that is bundled with your installation of git.
However, if for some reason you still want to use this functionality by using scripts separately downloaded from master, you should download git-prompt.sh similarly:
curl -o ~/.git-prompt.sh \
https://raw.githubusercontent.com/git/g...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...would recommend you keeping the warning on, but use -isystem instead of -I for include directories of third-party projects. That flag tells GCC not to warn you about the stuff you have no control over.
For example, instead of -IC:\\boost_1_52_0, say -isystem C:\\boost_1_52_0.
Hope it helps. Good L...