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What are “first class” objects?
...lasses are not first class objects but instances of those classes are. In Python both the classes and the objects are first class objects. (See this answer for more details about classes as objects).
Here is an example of Javascript first class functions:
// f: function that takes a number and r...
Python xml ElementTree from a string source?
...ot = ET.fromstring(xmlstring). Equals ET.parse('file.xml').getroot(): docs.python.org/3.6/library/…
– Anton Tarasenko
Aug 11 '17 at 17:43
3
...
Why are floating point numbers inaccurate?
...-bit float. Gloss over these if you only care about the output (example in Python):
def float_to_bin_parts(number, bits=64):
if bits == 32: # single precision
int_pack = 'I'
float_pack = 'f'
exponent_bits = 8
mantissa_bits = 23
exponent_b...
Detecting programming language from a snippet
...t simplistic but it works for my tests. Currently if you feed it much more Python code than Ruby code it's likely to say that this code:
def foo
puts "hi"
end
is Python code (although it really is Ruby). This is because Python has a def keyword too. So if it has seen 1000x def in Python and 10...
is node.js' console.log asynchronous?
...
Console.log is asynchronous in windows while it is synchronous in linux/mac. To make console.log synchronous in windows write this line at the start of your
code probably in index.js file. Any console.log after this statement will be considered as synchronous by interpreter.
if (process.s...
Iterate an iterator by chunks (of n) in Python? [duplicate]
...s, this is what people want (which is the reason why it is included in the Python documentation). Optimising for a particular special case is out of scope for this question, and even with the information you included in your comment, I can't tell what the best approach would be for you. If you want ...
Writing a compiler in its own language
...
Adding a curiosity to the previous answers.
Here's a quote from the Linux From Scratch manual, at the step where one starts building the GCC compiler from its source. (Linux From Scratch is a way to install Linux that is radically different from installing a distribution, in that you have to ...
Saving images in Python at a very high quality
How can I save Python plots at very high quality?
5 Answers
5
...
Python list iterator behavior and next(iterator)
...
Something is wrong with your Python/Computer.
a = iter(list(range(10)))
for i in a:
print(i)
next(a)
>>>
0
2
4
6
8
Works like expected.
Tested in Python 2.7 and in Python 3+ . Works properly in both
...
How to include package data with setuptools/distribute?
... is a low-down, dirty lie. It is only used when building binary packages (python setup.py bdist ...) but not when building source packages (python setup.py sdist ...). This is, of course, ridiculous -- one would expect that building a source distribution would result in a collection of files that ...