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Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...but for basic data interchange, JSON is much more compact and direct. As a Python developer, there is no impedance mismatch between the simple data types in JSON and in Python. So if I was writing a server-side handler for an AJAX query that was asking about snow conditions for a particular Ski reso...
Is there a generator version of `string.split()` in Python?
..., 'test']
edit: I have just confirmed that this takes constant memory in python 3.2.1, assuming my testing methodology was correct. I created a string of very large size (1GB or so), then iterated through the iterable with a for loop (NOT a list comprehension, which would have generated extra memo...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...was Postgres' uuid_generate_v1mc() function. I've since used the following python equivalent:
from os import urandom
from uuid import uuid1
_int_from_bytes = int.from_bytes # py3 only
def uuid1mc():
# NOTE: The constant here is required by the UUIDv1 spec...
return uuid1(_int_from_bytes(u...
Display help message with python argparse when script is called without any arguments
...
@NunoAndré thanks - updated the answer. Feels more pythonic indeed.
– Ievgen Popovych
Jul 23 '18 at 14:40
...
adding directory to sys.path /PYTHONPATH
...
This is working as documented. Any paths specified in PYTHONPATH are documented as normally coming after the working directory but before the standard interpreter-supplied paths. sys.path.append() appends to the existing path. See here and here. If you want a particular direc...
Why can't non-default arguments follow default arguments?
...is you", b="True"):
... print a,b,x,y
...
Reference O'Reilly - Core-Python
Where as this function make use of the default arguments syntactically correct for above function calls.
Keyword arguments calling prove useful for being a...
What is the difference between statically typed and dynamically typed languages?
... a statically-typed language with type inference).
Examples: Perl, Ruby, Python, PHP, JavaScript
Most scripting languages have this feature as there is no compiler to do static type-checking anyway, but you may find yourself searching for a bug that is due to the interpreter misinterpreting the t...
How do I compare version numbers in Python?
... PEP 440 versions as “not strict” and therefore doesn’t match modern Python’s notion of what a valid version is.
As distutils.version is undocumented, here's the relevant docstrings.
share
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Replace all non-alphanumeric characters in a string
... same but allows the underscore as a word character (don't know why): docs.python.org/3.6/library/re.html#index-32
– JHS
Dec 23 '18 at 1:32
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urllib2.HTTPError: HTTP Error 403: Forbidden
I am trying to automate download of historic stock data using python. The URL I am trying to open responds with a CSV file, but I am unable to open using urllib2. I have tried changing user agent as specified in few questions earlier, I even tried to accept response cookies, with no luck. Can you pl...