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How to write PNG image to string with the PIL?
...inal file format, so in this case you can use format=image.format.
In old Python 2 versions before introduction of the io module you would have used the StringIO module instead.
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OAuth with Verification in .NET
...e the user's status, it would be "http://api.twitter.com/1/statuses/update.xml?status=Hello".
Then set that string into the HTTP Header named Authorization.
To interact with third-party services, like TwitPic, you need to construct a slightly different OAuth header, like this:
var authzHeader ...
The smallest difference between 2 Angles
...ept angles outside the range [0, 2π) you can generalize the above. Here's Python code for the generalized version:
PI = math.pi
TAU = 2*PI
def smallestSignedAngleBetween(x, y):
a = (x - y) % TAU
b = (y - x) % TAU
return -a if a < b else b
Note that the % operator does not behave t...
Check if item is in an array / list
... @jdi, and that loop will run much faster than the one coded explicitly in Python, not to mention being easier to read.
– Mark Ransom
Jun 28 '12 at 19:44
...
Split string every nth character?
...you tell it. The above answer is really only just a for loop but expressed pythonically. Also, if you need to remember a "simplistic" answer, there are at least hundreds of thousands of ways to remember them: starring the page on stackoverflow; copying and then pasting into an email; keeping a "help...
Remove warning messages in PHP
... the production server, but not on the devel server. If you are generating XML content, the warning will cause the browser not to render because the server is sending malformed XML caused by the warning. Sometimes you want that on devel, but not for something caused by a temporary DNS lookup failure...
How to save traceback / sys.exc_info() values in a variable?
...
For Python3, exc_tuple[1] (aka value) is the instance of the exception, not the "String passed as parameter". See: docs.python.org/3/library/sys.html#sys.exc_info
– Jinghao Shi
Oct 6 '18 at ...
Elegant Python function to convert CamelCase to snake_case?
...
Personally I am not sure how anything using regular expressions in python can be described as elegant. Most answers here are just doing "code golf" type RE tricks. Elegant coding is supposed to be easily understood.
def to_snake_case(not_snake_case):
final = ''
for i in xrange(len(n...
Split views.py in several files
...
In Django everything is a Python module (*.py). You can create a view folder with an __init__.py inside and you still will be able to import your views, because this also implements a Python module. But an example would be better.
Your original views...
Max retries exceeded with URL in requests
...cause the target machine actively refused it".
There is an issue at about python.requests lib at Github, check it out here
To overcome this issue (not so much an issue as it is misleading debug trace) you should catch connection related exceptions like so:
try:
page1 = requests.get(ap)
except...