Tag: ruby

What is the Python equivalent of Ruby’s Base64.urlsafe_encode64(Digest::SHA256.hexdigest(STRING))

I am trying to port parts of a ruby project to python and cannot figure out the equivalent to Base64.urlsafe_encode64(Digest::SHA256.hexdigest(STRING)) Closest I have gotten is base64.urlsafe_b64encode(hashlib.sha256(STRING.encode(‘utf-8′)).digest()) however giving the input of StackOverflow it re…

Translating python raw string / regex to ruby

python regex ruby string

I’m currently trying to translate a python script to ruby. Now I’m stuck on a part that uses a raw string for a regex. This is the original python code: This is my attempt to translate it to ruby: Unfortunately I must be doing it wrong because I get this error: I also tried: But it results in the …

Python’s enumerate in Ruby?

arrays enumerate python ruby

Is something built in for this? It doesn’t need to have it’s members immutable, it just needs to be in the standard library. I don’t want to be the guy who subclasses the Array class to add a Python feature to a project. Does it have a different name in Ruby? Answer Something like this in Py…

Do Python regular expressions have an equivalent to Ruby’s atomic grouping?

python regex ruby

Ruby’s regular expressions have a feature called atomic grouping (?>regexp), described here, is there any equivalent in Python’s re module? Answer Python does not directly support this feature, but you can emulate it by using a zero-width lookahead assert ((?=RE)), which matches from the curren…

generate video pixel by pixel, programmatically

animation python ruby video

I’d like to generate an animation pixel by pixel programmatically. Preferably in Hi-Def, in Python or in Ruby. I thought about using PIL to make each frame and then convert the frames into video. Is there a better way to do this? EDIT: Clarification, this is 2D and I need the pixels to be precise. EDITE…