So I have a URL for a video file, and there is a simple hack I can do to get the audio file where I need to edit the string in a certain way. Here is the starting string: https://v.redd.it/jvjih3f894b61/DASH_1080.mp4?source=fallback I need replace the resolution DASH_1080 to DASH_audio and I figured I could j…
Tag: string
How can I find all common sub strings using Rust , Python, javascript?
Problem Background Git is an awesome version control system, I want learn git by writing my own version control system. The first step I have to do is implement a string diff tool. I’ve read this blog and this paper. In order to get the diff of two strings, I need to locate the common part. Hence, I cam…
Parse boolean expression in python
Currently, I have a Boolean expression which supports & (logical AND), | (logical OR), (, ) (parentheses) operators along with status codes like s, f, d, n, t and job names. The status codes represent the status of a job. (Eg: s = success, f = failure, etc…) and the job name is enclosed within paren…
Sum a list of string based on rule
I have a huge python list as the following example: I would like to join this information in this formatting: I have tried this code But it was not good, since I have something like: Do you have any idea how can I perform this task? Answer You can use itertools.groupby: It groups the items by whether each ite…
How to generate multiple file paths and save them into a excel with python
I want to generate hundreds of file paths in python and save them into an excel file. Each path should save in a separate row and paths vary just by one value. I am not sure how to iterate it through a for loop. Here is my try: Output is excel file should be like below: Answer There are a
Trying to find averages from a .txt but I keep getting ValueError: could not convert string to float: ”
I’m using the txt file: https://drive.google.com/file/d/1-VrWf7aqiqvnshVQ964zYsqaqRkcUoL1/view?usp=sharin I’m running the script: And I ALWAYS get the error: ValueError: could not convert string to float: ” I’m pretty new-ish to Python and I’m really not sure what I’m doing…
Difference between wkt and str
I have a shapely Polygon. What is the difference between converting it to wkt and converting it to string: Is the result always the same? And can these two be used interchangeably? Answer They are the same. Looking at the source code BaseGeometry.__str__() method returns self.wkt. So with P.wkt or str(P) you …
Finding duplicate characters in a string using for loops in Python:
I have a simple question. First of all I want to say that the code I used below works perfectly fine for the purpose of finding duplicate characters in a string (although there might be better solutions to that problem without a doubt). But I struggle to understand why i need to declare the count variable in …
Create hyperlink and give it an appealing name in Python
I am trying to rename my hyperlink to place in a pdf file. Thus, I do not want to give to the user a massive long link. Let’s say my link is like: https://www.google.com/search?q=images+of+dogs&rlz=1C1OKWM_esES969ES969&sxsrf=AOaemvJFDb3FKdXO1Yqb3A1BdjWNfw0Edg:1632237403618&tbm=isch&sourc…
Error when transforming (and reversing) Tuple Tuple to dict
I am trying to transform following tuple tuple into a dict (and a reversed one of that): This is the code I use: And I receive the following error: TypeError: unhashable type: ‘list’ How should I do this? Thank you a lot! Answer you are right, lists cannot be used as keys in python dict because ke…