Questions tagged [cs50web]

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13 views

CS50W Email - Problem setting .innerhtml to “” due to elements displaying as “null”

I have a problem resetting the content for the divs in the view where I show a single email. For some reason the divs console.log out as "null", while the parent element for some reason ...
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1answer
15 views

Return confirm in javascript not working

I have the following JS code in my HTML, but no confirm windows shows when pressing the button - what is wrong? <script> function confirmSubmit() { var retVal = confirm("Are you ...
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0answers
5 views

cs50.me/cs50w grade disappeared without any email

My grade of final project of cs50 web disappeared but I haven't received any email with info why it is rejected(not even in spam). Any idea where can I get info why they have rejected me ?
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2answers
114 views

Help with Search Bar - Wiki Project1 CS50 Web Django

For the Wiki project I'm having trouble implementing the search bar. I have spent about 2 days researching search bars in Django, but so far everything I've tried yields the same result: No matter ...
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0answers
16 views

Parsing Error: Unexpected token in Javascript

For my final project I'm implementing a simple chrome extension in Javascript but I keep getting the error "Parsing Error: Unexpected Token :" However I copied this example code directly ...
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1answer
160 views

CS50W Django Project1 Wiki - Textarea issue

I got stuck at completing Wiki assignment because of strange behaviour of textarea in form, needed for creating and editing entries. Everytime user saves the entry, for each line of entered text there ...
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0answers
20 views

cs50 Web course - Do you have to pay for the certificate to have your web work checked?

For cs50 web course, i was informed that actual people check your work, instead of there being an automatic check that will show you how many tests your work fails or not. Do i have to pay for the ...
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0answers
71 views

CS50W Final Project: I need help with deploying my website

for my final project, i made a website that i want to also deploy to production, because i want to be able to implement it in real life. I have made the docker image according to what Brian ...
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0answers
18 views

href not working properly

i have a layout html file in the following path: C:\Users\user1.vscode\files\web50p1\templates\layout.html in which i have the following code: <a href="/logout">Log Out</a></li&...
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1answer
71 views

Can't import books.csv using import.py

I'm on a project1, here is the link to it: https://docs.cs50.net/ocw/web/projects/1/project1.html I've successfully made a Table books using my Python script, however when I try to import the "books....
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1answer
596 views

Flask Sessions Not Working

I'm using VS Code and following along Brian's Flask class in Web50. I have copied his notes program word for word, and somehow I get different results. I've downloaded Flask and Sessions, so that's ...
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0answers
39 views

Trying to flask run the task session on the CS50 web Lecture DATABASE issue

I had a great time learning about HTML and CSS. Then came this intimidating flask feature. I was able to create a session["username"] to login and logout. I'm trying to use session to create a todo ...
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0answers
1k views

sqlalchemy.exc.ArgumentError: Could not parse rfc1738 URL from string

Traceback (most recent call last): File "list.py", line 9, in engine = create_engine(os.getenv("DATABASE_URL")) File "C:\python 3.8\flask_env\env1\venv\lib\site-packages\sqlalchemy\...
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0answers
11 views

Can I use databases to take in signup information from the user?

Can I use database in my Project 1 website for the user signup and login, to store the user information? Or is it necessary to use sessions, as mentioned in the 'hints' section of the Project 1 ...
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0answers
59 views

Debugging error message

C:\Users\LIVELINKS\Desktop\web\lecture3\databases (master) λ python list.py Traceback (most recent call last): File "list.py", line 7, in engine = create_engine(os.getenv("DATABASE_URL")) ...
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0answers
20 views

What is the difference between regular cs50.harvard and extension cs50.harvard?

I am planning to take CS50 web course. However I find the following two: https://cs50.harvard.edu/web/ and https://cs50.harvard.edu/extension/web/2020/spring/ What is different between of them? ...
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1answer
53 views

Problem with commas in psql

So I have a problem with project1, specifically in import.py. In the csv provided with the books information, some of them have a comma inside the title, and this is causing the following error when I ...
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1answer
25 views

CS50_Web ORMs,APIs_ lecture 4, classes4.py - Understanding Classes, Objects, Functions and Lists

I've "simplified" the ORMs,APIs- lecture 4_web_classes4.py code to try and understand more about Python classes, objects and list. can anyone help me out? Question 1: Why doesn't print(self....
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1answer
264 views

cs50web switch from submit50 to me50?

I started with cs50 web earlier this year, completed the first 3 assignments and then submitted by pushing them to the relevant branch of the submit50/USERNAME.git repository, and got a grading email ...
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1answer
433 views

API Goodreads issue with the book page

I have been facing an issue with the API, it does not display in the book page in project1 I keep getting the error "Not Found" could someone help me? Check the screenshots of the python code below, ...
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1answer
97 views

CS50 Web Development Project 2 Attribute Error: module 'engineio' has no attribute 'WSGIApp'

This is my first time trying to run flask on Linux, I've made projects 0 and 1 in Windows 7. I've been able to run Project 2 on Windows, right before I switched to Linux. As I enter "flask run" on the ...
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1answer
402 views

SQL SELECT query for multiple word search

I'm working through project 1 in the CS50 Web Programming course. I have created a search form which is just one text box in the middle of the page where the user can type in the ISBN number, the ...