I have 2 Dataframes. I excel i would add additional columns to Holdings lets say “S&P Number” and perform Vlookup by taking S&P from Holdings and look in Rating Map then return Number value. Holdings = Ratings Map = Please note that we dont have one key in this situation, if i want to cove…
Tag: python
how to scrape all items of a page using a loop
i’m trying to scrape and list 24 items from a certain website. instead, it shows the same item 24 times. to get the first price i did this: as said, it does print 24 lines. but instead of listing all the different ones, it just lists the first result (probably because the i = 0). i’m very bad at c…
Sort based Dictionary of Dictionary of Dictionary Values?
I have a dictionary like this I am trying to sort dictionary based on KEY OF LAST VALUES(LIST). FOR EXAMPLE I am looking for get dictionary value like ‘C’ IN first and ‘D’ in second I’m trying to get correct order. Here is code: Unfortunately didn’t get correct result This …
How to convert color with OpenCV?
I am struggling with converting red color to another color, blue, yellow, green and so on. I’ve already achieved to convert red color to gray scale color as bellow. But what I really want to achieve is turn a color into another one but not gray scale. How should I change the code or any good reference? …
Testing-containers and clickhouse-driver error:Unexpected EOF while reading bytes
I have these libraries installed: This code: I am trying to get a generic container with clickhouse DB running. But it gives me: EOFError: Unexpected EOF while reading bytes. I am using Python 3.5.2. How to fix this? Answer It takes some time to run a container. Add a time delay before executing operations.
Find timedelta hour with highest number of occurences in pandas dataframe
I have a dataframe where I store orders and the time at which they are received There are may orders but the dataframe contains orders for the month. I want to know which hour I receive the most orders during the month. I tried creating a series like this. So that I could group by hour like this But it
Python Decorator, Wrapper got argument multiple times
I wrote this decorator to be used by two functions: I keep getting the error: How can I pass the argument page recursively without having it multiple times? Thanks! EDIT: functions are called as in: Answer Positional arguments in python must be passed in order of definition in the function prototype. This lin…
How to describe snapshots by OwnerIds and Filters using boto3
How to describe snapshots owned by me and filtering by tag simultaneously? It describe snapshots owned by me with code below: But when I add “Filters”, its starts ignoring “OwnerIds” and filtering only by tag. I’m follow an official boto3 documentation: https://boto3.amazonaws.co…
Python csv: Split column to columns and then to rows by delimiter
I have a column in a csv file which contains person’s details in this format: Actual csv format: I want to split them in a new csv file like this: Splitting details: Split Row Delimiter : ‘ O&-‘ where & can be only ‘K’ or ‘Z’ Split Column Delimiter : ‘:&…
join two patrition dataframe pyspark
I have two dataframes with partition level 2. Dataframes are small probably around 100 rows each. df1 : df2: my final df will be join of df1 and df2 based on columnindex. But when I am joining two data frames as per below it looks it is shuffling and giving me the incorrect results. Is there any way I can