Questions tagged [pset9]
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80
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pset9 TypeError: 'NoneType' object is not subscriptable
i am stuck on this for a day and gave up finally! why is this error occuring! tried all sorts of debugging! even open ai is like it's fine! also when i use the website there is no error but cs50 check ...
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1
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36
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Check50 marks my "Quote" as if not functioning properly despite looking identical to the staffs solution
I thought I had finished pset9 and had check50 have a quick look at it and it repeatedly gave me the output:
:( quote handles valid ticker symbol expected to find "28.00" in page, but it ...
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48
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tried everything but pset9 finance last check still wont pass even with the usd formatter?
ive tried for so many hours to get this to work and rewrote the code so many times. i think my tired eyes are missing something obvious but i cant figure it out because the website works when i ...
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can you guys please help me and find out what is wrong with my code? i have been working on this for about 5 hours and cant find what's wrong with it
import os
from cs50 import SQL
from flask import Flask, flash, redirect, render_template, request, session
from flask_session import Session
from werkzeug.security import check_password_hash, ...
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can't seem to figure out the problem with the sell route code
can't seem to figure out the problem with the sell route code that check50 indicates
this is my sell route code:
@app.route("/sell", methods=["GET", "POST"])
@...
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8
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Finance flask unexpectedly closed the connection
hey I'm having an issue with flask run it's been working for about a week and now when I click on it I get the error message: this site can't be reached longurl.dev unexpectedly closed the connection. ...
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18
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pset9: how to get value of cash from DB
I am trying to render index.html, but I am struggling with displaying cash value. I can see something like [{'cash': 9918.82}]. Could anyone help me to get numeric value from this? Maybe getting value ...
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49
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CS50 Week 9 - Finance: How do I save the date and time with SQL?
I'm trying to make a new column in my database where I can save the date and time of the purchase. Am I using the datetime function(?)
ALTER TABLE purchases ADD timedate DATETIME NOT NULL DEFAULT ...
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1
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98
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I just submitted finance and tested my code for all test cases, upon submission I got 25%
I chose to implement finance using AJAX to challenge myself and my code works. No errors under any circumstance but upon submission, I got 25% because the check50 program was looking for error codes ...
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1
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66
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PSET9 keeps returning no results
I am trying to submit my pset9 Finance problem but I keep getting "no results" even though my tests checking accordingly. What could be the issue
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111
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:( logging in as registered user succceeds Problem Set 9 Finance TypeError
I can't find the problem with my register function.
So, I've been pouring over the code for hours now, tried taking breaks, focusing for a long time, none of it worked. And check50 is really ...
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35
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FINANCE - PSET9
I'm having an issue with pset9-finance, as I keep encoutering this error message:
expected to find 112.00 in page, but it wasn't found
here's my /buy code:
@app.route("/buy", methods=[&...
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1
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1
answer
543
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CS50 Finance (week 9 problem set) Check 50 Fails despite program working fine, please help
My program works perfectly when I test it on my own, but when I run check50 it encounters an issue with the "buy" page. The error is """exception raised in application: ...
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68
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CS50x Pset9 - Finance - checking that "112.00" is in page - buy handles valid purchase
I've tried everything I can think of but I just cant figure out what I'm doing wrong.
I've got all the index values, and all other values for that matter, showing in USD.
I have a catch in the py.app ...
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1
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39
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CS50 pset9: Why does 'SELECT last_insert_rowid()' return 0 instead of the expected value when using CS50 SQL library in Flask?
symbol_id = db.execute("SELECT symbol_id FROM symbols WHERE symbol = ?", quote["symbol"])
if not symbol_id:
db.execute("INSERT INTO symbols (symbol) VALUES ...
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1
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77
views
Check50 PSET9 Finance Failing Throughout
First post here...seems I'm coming unstuck at the pointy end of the course. Hahaha!
My code doesn't seem to be passing Check50 through Quotes/Buy/Sell - although the functionality seems to be fine ...
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2
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67
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TypeError: 'NoneType' object is not subscriptable in PSET9, but working manually
I am working on pset9 Finance. I have implemented the functionality for purchasing stocks, and it works well when I manually test it. However, when I run the CS50's check50 validation, it returns an ...
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1
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75
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Is there something wrong with my code for finance?
From app.py:
@app.route("/quote", methods=["GET", "POST"])
@login_required
def quote():
"""Get stock quote."""
if request.method == &...
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0
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0
answers
91
views
Pset9 Check50: buy handles valid purchase
I'm almost done with Finance but my solution doesn't pass the last tests of Check50. I'm stuck on the buy function. Check50 outputs the following: "buy handles valid purchase expected to find &...
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161
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Pset 9 Finance 'TypeError: 'NoneType' object is not subscriptable'
I'm currently doing Finance, for CS50x 2023, but I keep getting the same 'nonetype' object is not subscriptable error. I have tried to debug the error and found out that it is the user_id variable ...
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1
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300
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expected to find "112.00" in page, but it wasn't found on PSET 9 - FINANCE
it is my first time asking here as I've tried various methods and solutions but still unable to solve this problem. I always get stuck on "buy handles valid purchase - expected to find "112....
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1
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1
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253
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PSET9 Finance - Lookup function returns 402
I have been trouble shooting this for a while now. I have the Quote page working and I verified the stock symbol is being sent over correctly to the lookup function. I have done the export API_Key ...
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1
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359
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PSET 9 Finance Index Function (jinja2.exceptions.UndefinedError: 'row' is undefined)
I have tried using dot notation in the index.html for loop. I referred to Lab 9 to check my syntax and ensure that I am passing variables correctly from app.py. I have also used flash(stock_rows[0][&...
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1
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90
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CS50 PS9 finance :( buy exception raised in application: TypeError: '<' not supported between instances of 'str' and 'float'
@app.route("/buy", methods=["GET", "POST"])
@login_required
def buy():
"""Buy shares of stock"""
if request.method == "GET":
...
0
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1
answer
77
views
Runtime error with Buy function
UPDATED:
I've cleared up the runtime error caused by this code, so now it runs but it doesn't work correctly. I just get an apology back even if I submit a valid stock symbol and number of shares and ...
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1
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41
views
Pset9 Register function not working
Working through Pset9 and every time I try testing my register function I get back an image of a grumpy cat and a 403: Invalid username and/or password message.
This is my code for the register ...
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0
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36
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In 'Finance' how do I get the page to load?
I have not been able to get any page to load for the Finance problem (even without me messing about with it!). I tried deleting everything and starting again like so:
$ wget https://cdn.cs50.net/2021/...
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44
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CS50 Problem set 9 - Finance - RuntimeError: foreign key mismatch - "holdings" referencing "users"
I'm facing a Runtime Error in /buy when I try to insert information about the stock into the holdings table. Here is my code for /buy:
# Update holdings table
db.execute("INSERT ...
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1
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144
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check cs50 pset9 finance buy and sell errors
:( buy handles fractional, negative, and non-numeric shares
expected status code 400, but got 200
:( buy handles valid purchase
expected to find "112.00" in page, but it wasn't found
:| sell ...
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2
answers
171
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CS50 Finance: Can't add time of transaction
I have managed to complete the rest of the history part except the time of transaction.
I have tried several different ways to solve this problem, using data types like "DATETIME" or "...
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207
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CS50x finance PSET 9 - quote does not valid ticker symbol expected to find 28.00 and buy page does not have all required elements
I run into some issues with the quoted.html and the buy.html.
I suspect the issue is with my index.html
but I am not sure why that is the case.
For the buy.html page it states that input field shares ...
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482
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PSET9 finance 'buy handles valid purchase error, expected to find "112.00" in page, but it wasn't found'
I'm having issues figuring out why i'm running into this error. I've tried looking online and seeing what answers I could find but I'm stuck. Any help would be greatly appreciated.
Error is:
:( buy ...
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1
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165
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Finance index.html is not displaying any data at all
I am stuck on index() in finance. I have a working SQL function which compiles all the transactions made by the user and sums the shares of all the repeating stocks - ie creating a list of owned ...
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1
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422
views
RuntimeError: API_KEY not set /pset 9
im using the flask run commend in the finance directory but still i get the RuntimeError: API_KEY not set .
and flask-session has alredy the api-key
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94
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pset9 Finance Check50 bot says submission button not found
I have completed my application for pset9 and have all functions working properly, however check50 doesn't agree with my register implementation. Apparently, I do not have a submission button, however ...
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1
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74
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PSET9 FINANCE SQLITE "no such column exists" while multiplying two columns to update a third
In the Index function on APP.PY of my finance code, I'm getting "RuntimeError: no such column: total_per_share" even though I'm using "AS" to create this column -- please advise.
@...
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1
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190
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cs50 finance - RuntimeError: unsupported value: <function buy at 0x7f1c380cfd90>
@app.route("/buy", methods=["GET", "POST"])
@login_required
def buy():
"""Buy shares of stock"""
if request.method == "POST":
...
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0
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1k
views
Here is my cs50 finance /buy code
@app.route("/buy", methods=["GET", "POST"])
@login_required
def buy():
"""Buy shares of stock"""
if request.method == "POST":
...
- 15
0
votes
1
answer
37
views
PSET 9: C$50 Finance. Why not <input type="number"> instead of text?
From CS50's Problem Set 9 specification:
Require that a user input a number of shares, implemented as a text field whose name is shares. Render an apology if the input is not a positive integer.
I'm ...
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1
answer
1k
views
Lab 9: Birthdays - odd behaviour from delete button
I got Lab 9 up and running per spec and am trying to implement a 'delete' button for each row.
My current code works fine to delete each row in the table except for the first row (id = 1).
When I ...
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1
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360
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ValueError: UNIQUE constraint failed: on finance pset9, could someone point me in the right direction on which values should be UNIQUE from my table?
Could someone help me figure out which values should I define as UNIQUE? I'm getting the ValueError: UNIQUE constraint failed: compras.id beacuase of the way I created my table for keeping tab of who ...
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1
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327
views
PSET 9 Finance checking that "56.00" is in page
I've been trying to solve this issue for hours and every time I run the code I get the error:
****:( sell handles valid sale
Cause
expected to find "56.00" in page, but it wasn't found
Log
...
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1
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82
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FINANCE SELL : DROPDOWN MENU not showing any option DESPITE having look for solutions
This is my first time posting on reddit asking for help : I've been so far going through cs50 on ressources online when I got stuck, but here I can't figure it out even tho with the numerous online ...
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1
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160
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Cs50 Finance :(sell handle valid sales :values appearing in index table but check50 doesnt recognise it
updated the code to display history properly,ie when sold shows negative,and when bought shows positive
updated index to remove entire row when stocks is 0
I cant figure out why check 50 is not ...
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1
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343
views
Check50 says buy allows fractional, negative numbers but it doesn't. Where am I going wrong?
I'm down to my last check50 frown (:( buy handles fractional, negative, and non-numeric shares
expected status code 400, but got 200) but my code doesn't allow for these, so I don't know what to do. ...
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1
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936
views
jinja code not working inside html file
I am using flask for the first time and jinja code is being displayed on the webpage.
this is my html file:
<!DOCTYPE html>
<html lang="en">
<head>
...
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1
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306
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Why does my lookup function keep returning "None"?
I have the latest (I think) distribution code and I have exported the API key. Here is my code and it keeps returning 'None'. I can't figure out why I can't look up a stock quote. Do I need to change ...
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1
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868
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PSET9 / can't check until a frown turns upside down
I am getting this message in the following checks
:| sell page has all required elements/
:| sell handles invalid number of shares
:| sell handles valid sale
I guess the problem is in by sell or buy ...
0
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0
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66
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Pset9 problem at check50 tests
hello, i've tried "112.00" in my solution and cs50's solution and the result is same "invalid shares" but i don't know why this error occur.
i'm really stuck any help please
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242
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pset9: finance // jinja syntax error in index
I'm working on my index page and I have two errors. For the first, I'm not sure what's wrong. It seems like it's something with my return statement but I have no idea what's wrong with it.
File "...
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