Given a list [[[“source1”], [“target1”], [“alignment1”]], [“source2”], [“target2”], [“alignment2”]], …] , I want to extract the words in the source that align with the words in the target. For example, in the English-German sentence…
AssertionError: Cannot apply DjangoModelPermissionsOrAnonReadOnly
I have a problem with (I think) permissions. When I try to send post request via postman, I get following error: AssertionError: Cannot apply DjangoModelPermissionsOrAnonReadOnly on a view that does not set .queryset or have a .get_queryset() method. [29/Nov/2021 20:21:21] “POST /api/blog/category HTTP/…
Extreme low performance when using a high number of integer & binary variables in Pulp
when modelling a lp production problem, I use a high number of integer. First the problem was being solved in a reasonable time but when I added a big number of binary values (y) due to big M method, it takes hours and hours and the program doesn’t appear to be working at all. This is because Pulp is qu…
Python-docx – merge ALL cells in a row or column of a table (or a specific subset of cells in a column) with one command
I am using python-docx to programmatically generate a very large and messy table inside of word document. How, as part of beautification process I need to merge together all cells in specific rows or columns. When I know how many cells are there in a row or column in advance merge is trivial. MVP below: Howev…
Invalind linking throws ‘id’ expected a number but got ‘{{ navbarList.0.category }}’
I have probably a very simple error but I can’t figure it out. I have a category model that looks like this. Navbar field is for putting the category name and link to it in the navbar section on the page. Due to menu layout looking like this I need to set nav links manually So I’ve set them like
Pandas: Get year to date dates from previous year
I want to compare the dates ranging from January 1st till the current day, from this year versus from last year. example: get the rows with dates ranging from january 1st till november 29th 2020 get the rows with dates ranging from january 1st till november 29th 2021 here is what I have tryed doing, and the o…
how to combine (and add) some value of list of dict in Python 3?
I have two list of dict : I want a dict (or list of dict) as : Can you help me ? Answer To do this efficiently, use a defaultdict and iterate over each nested entry. Result: Note: it looks like {‘Coin’: ‘DDD’, ‘Price’: ‘4’} is excluded from your result and is un…
Pass video uploaded via django to cv2
I am uploading video via django and want to process it using cv2. This is how video uploaded via django is accessed. Next i want to pass it to opencv. I dont want to save video in disk first and then acess it via cv2 using following code I tried passing this video_obj to VideoCapture this way But i got
How to print random n rows from a csv file?
So i have a big csv file and my code prints all the rows but i want to print, for example, only 20 random rows from 100000 rows. I know that somehow with random.sample u can do that, but i don’t really know how. Any suggestions? There is my code: Answer I assume you want to randomly sample your data,
How to get the text of the clicked item of Listwidget in PyQt5?
I was looking for a method to get a text/ name of the clicked element on a listWidget. This was my approach looks like: but it always crashes and gives me this error: Could someone please tell me what Im doing wrong? Answer The signature of your slot lamp_clicked is wrong. Take a look at QListWidget::itemClic…