Questions tagged [finance]

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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 answer
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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 answer
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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": ...
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10 views

Finance Pset trouble matching username in login function

still working on the Finance PSET here. I'm running into a problem where I'm not able to log in because the username is not recognized (even if the username exists). Here is my code for the login ...
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1 answer
26 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 answer
14 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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16 views

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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10 views

PSET 9 - Finance "TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'" during login/registration

Upon registration or login to Finance I am getting this error... I have finished all of the programming but since deleted all of the data in the SQL tables and tried to register a new user which is ...
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16 views

PSET9 Finance: Register is not working because of index/ Error 405

def index(): """Show portfolio of stocks""" index_symbol = db.execute("SELECT symbol FROM stocks WHERE stock_id = ?", session["user_id"]) index_price =...
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1 answer
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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 answer
44 views

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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8 views

Flask run giving me an error

I just started the Problem set 9 "Finance", follow the steps to get the Token and then when i run flask flask run i get this page Is this an error or part of the problem set?
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PSET9 - SQL / table issue

I'm running into an issue with my code (sorta) for PSET9 that is driving me INSANE. I made a reddit post, which has helped me narrow down where my issue is, but I still need more guidance. https://www....
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2 answers
49 views

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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Check50 can't register but I can, Check50 can register with duplicate usernames but I can't

Been stuck on this for almost a month so I am getting a bit desperate. As the title says Check50 can't register but I can, and since I can't duplicate the problem I don't know how to fix it. :( ...
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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 answer
182 views

Check50 is broken on Problem set 9 (Finance)

I made a previous very advanced version of Finance. But after checking it with check50, almost every checks failed. I decided to throw it all away and make a very scholar version of it, making ...
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1 answer
46 views

check50 Finance "can't check until a frown turns upside down"

I have tested the code manually and everything works fine app.py: import os from cs50 import SQL from flask import Flask, flash, redirect, render_template, request, session from flask_session import ...
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1 answer
46 views

CS50 Finance check50 giving 400 error despite working well

I have coded the CS50 Finance problem set and it seems to be working fine from my end. However, check50 throws a 400 error for Post request on /register. Even in the console, I don't see that error. ...
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1 answer
63 views

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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74 views

pset9 finance :( buy handles valid purchase

I've been trying to figure out why I keep getting the error message for buy. Below is the error log: sending GET request to /signin sending POST request to /login sending POST request to /buy checking ...
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1 answer
6 views

Finance - Quote: Toggle visibility between submit button and table

I'm happy that my finance website finally works properly!!! The thing is that I'm trying to make it look like the staff's solution website and I can't seem to get quote.html to behave like theirs (...
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0 votes
1 answer
66 views

CS50 Finance ValueError: FOREIGN KEY constraint failed

this error has getting me for a while now. From what I researched, it commonly occurs when inserting a wrong type in a column field or a value in the wrong order. Even though it appears in check50, I ...
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0 answers
22 views

Finance Index: Lookup won't accept subscripted argument

I'm working on index in finance. This is my code: @app.route("/") @login_required def index(): id = session["user_id"] stocks = db.execute("SELECT symbol, SUM(shares) ...
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25 views

Help wanted. Trying to make a table using a loop in jinja

My name is Sol and I'm kinda new here. I'm trying to finish my CS50 PSET 7 and I got stuck. Both in index.html and history.html I have the same problem. I'm trying to populate a table with info taken ...
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62 views

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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50 views

RuntimeError: near "GROUP": syntax error

transaction_db = db.execute("SELECT symbol, SUM(number) AS number, price FROM new WHERE user_id = ? GROUP BY symbols", user_id) RuntimeError: near "GROUP": syntax error
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25 views

PSET9 Finance: USD function returns error only when both rendering Index AND after BUY completes a 'purchase'

"unsupported format string passed to Undefined.format"--I know this happens because the non-numerical value is passed into the USD function, but I can't seem to spot the culprit. As ...
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1 answer
54 views

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. @...
1 vote
1 answer
86 views

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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802 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": ...
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1 answer
85 views

my cs50 finance buy do not update in in the portfolio

i have tried so many options but to no avail pls below are the code i wrote.`@app.route("/buy", methods=["GET", "POST"]) @login_required def buy(): """Buy ...
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10 views

PSET 9: Should I use a separate table for symbols?

Symbols will repeat themselves, since different users can buy shares from the same company, so when creating the portfolio table to store data related to the purchase of shares, I thought I could ...
0 votes
1 answer
25 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 ...
0 votes
1 answer
163 views

400 error on login after 302 redirect

I am getting a 400 error after opening the site, e.g., https://USERNAME-code50-#######-#########-5000.githubpreview.dev/. From the network request log I see a 302 redirect to https://github.com/...
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141 views

finance problem 112.00 (timebound)

:( buy handles valid purchase Cause expected to find "112.00" in page, but it wasn't found Log sending GET request to /signin sending POST request to /login sending POST request to /buy ...
0 votes
1 answer
66 views

Flask/Python PSET9 Finance -- Using PRINT() to debug

Having some problems with INDEX that I figure printing variable content to console will help me solve. BUT no matter what I try, print(variable) doesn't result in anything at all on the console/...
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55 views

exception raised in application: RuntimeError: no such table: stocks

from cs50 import SQL from flask import Flask, flash, redirect, render_template, request, session from flask.helpers import get_flashed_messages from flask_session import Session from helpers import ...
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41 views

PSET9 finance: lookup always returns 404 None or 200 None

I reinstalled helpers.py and the entire IEX key is being submitted (IEX console shows credit is being used--see attached photo) but I keep getting: https://cloud.iexapis.com:443 "GET /stable/...
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1 answer
168 views

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 ...
0 votes
1 answer
54 views

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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0 votes
1 answer
164 views

PSET9 Finance- Check50 error - sell page has all required elements - expected to find input field with name "shares", but none found

I get an error when I run the check50 command for Finance problem set. The sell.html template is below: {% extends "layout.html" %} {% block title %} Sell {% endblock %} {% block main %...
0 votes
1 answer
351 views

PSET9 Finance - Check50 Failing on login - logging in as registered user succceeds - IndexError: list index out of range

I have been struggling with the Finance problem for a while. Upon running the check50 command, I get the following error: :( logging in as registered user succceeds Cause application raised an ...
0 votes
1 answer
18 views

Key error(hash) in login function

If len (rows) != 1 or not check_password_hash (rows [0]["hash"], request.form.get ("password")): Return apology ("invalid username and/or password") The following ...
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0 answers
81 views

The predefined login function psets/9/finance error

Have a problem with check50. I'm able to register, log in and all but check50 keeps denying it (the login part): :) application.py exists checking that application.py exists... :) application ...
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1 answer
88 views

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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32 views

NameError in Pset: Finance

Cause application raised an exception (see the log for more details) Log sending POST request to /login sending POST request to /buy exception raised in application: NameError: name 'stock' is not ...
0 votes
1 answer
85 views

Getting error in pset8 Finance

I get this error in register in pset8/finance when I run check50: :) application.py exists :) application starts up :) register page has all required elements :( registering user succeeds expected ...
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1 answer
186 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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204 views

CS50 Week9 Finance I have an error in register

I'm struggling with register function in application.py since I am having error messages in check50 That says: :) register page has all required elements :( registering user succeeds expected ...
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