Problem My problem consists of me trying to save the position of the player on the board that I created and then loading it when they enter a specified SENTINEL value. Though the problem that I am getting at this current time is referencing something before the assignment. This is how I think I should be load…
Tag: python
The bot gives an error when using the “with” operator
i’ve come across this error. Found on the Internet based on discord.py code to create YouTube alerts on the server. When starting the bot, the system encounters a syntax error and points to the “with” operator. Previously, this operator has already been used in the code and did not give erro…
How to write dict in file with specific format and headers?
I have a dict: I need to write this data into file line by line in the following format: How to do that using Python? Answer You can change dictionary1 to dictionary2 for other values.
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…
When to use xarray over numpy for medium rank multidimensional data?
I have some multidimensional data and was wondering if i should use xarray when speed is one, albeit not highest, of my concerns. I have a 4D array so it’s not so big as to preclude me from using numpy. The coordinates/indices are vital for one dimension but not so for all the others. I’ll have to…
How to create multiple combinations of columns from a pandas dataframe?
I’ll illustrate my problem with a drawing: I have a pandas dataframe with 13 columns of 6 different types. Then I randomly want to take one of each type and create a new table to perform subsequent analyses. So in the end I want to create (3 choose 1) * 1 * (2 choose 1) * (2 choose 1) *
An error occurred (ValidationException) when calling the PutItem operation: One or more parameter values were invalid: Missing the key CreatedAt
Help, I am totally perplexed as to why I am getting this error indicating that CreateAt field is missing when a PutItem() is called. I an ingesting emails into an S3 bucket which are then taken from the S3 and loaded into the Dynamo log table. Once that is completed, the record is then uploaded to Salesforce …
Reading accounting information with regex
Context In my daily job I lost a lot of time putting values in excel from a balance sheet manually, so I start learning how to code in python to speed up my work. Problem I am trying to create a regex that is able to detect the value of one account and send me the money that the account
How can I convert a string to dictionary in a manner where I have to extract key and value from same string
I need to convert string to dictionary in a manner for example Output what I require is Note: str1 can have many more such c, d, e with range. Answer You can do it with a regex: Explanation of the regex: match combination of alphanumeric characters and dashes [w-]+ followed by a space, a colon and a space _:_…
How do you perform an operation on a phrase *only* if it’s outside backticks?
E.g. say you have the line: How could you change only the second “example” to uppercase? E.g: Answer You could split by backtick and then make the replacement in the even indexed chunks: Or, with a regular expression you could look ahead and only make the replacement when the number of backticks t…