Questions tagged [finance]

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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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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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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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1answer
21 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 ...
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12 views

cs50 Finance Invalid Syntax on function declaration

When working on Finance I encountered a syntax problem which higlights a function declaration def buy(): ^ SyntaxError: invalid syntax. I have a feeling that because such an obvious thing was ...
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20 views

What is the best approach to DB design? (CS50X PSET9)

I'm pretty excited going over the pset9, however, I have a question when it comes to db design. The following text might be a spoiler to the solution of the problem set, beware. Given the above ...
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1answer
21 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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1answer
36 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 %...
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1answer
48 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 ...
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1answer
10 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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43 views

Pset9 - Finance sell function not working

Can anyone help me with this problem? check50 keeps returning these lines, but I don't know what is the problem, since the web application works fine when I test it manually. :( sell handles invalid ...
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34 views

How do you check if a value is fractional? HEAR ME OUT FIRST

This is from cs50 finance: Text: :( buy handles fractional, negative, and non-numeric shares Cause application raised an exception (see the log for more details) Log sending POST request to /login ...
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23 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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12 views

Finance: how does the "errorhandler" work?

I am trying to understand the errorhandler function in pset9 finance. In the given application.py: # Original version def errorhandler(e): """Handle error""" if ...
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1answer
61 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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17 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 ...
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1answer
30 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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1answer
48 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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23 views

I have an error in register function (Week9 Finance)

I would like to ask for your help please with an error I keep getting on my code for the week 9 Finance. I have been receiving like this Here is my login/ register function below. @app.route("/...
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38 views

Week9, Finance " :| logging in as registered user succeeds "

I would like to ask for your help please with an error I keep getting on my code for the week 9 Finance. I have been receiving :| logging in as registered user succceeds can't check until a frown ...
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65 views

" can't check until a frown turns upside down " annoys me (Finance, week9)

I got like this: :| quote page has all required elements can't check until a frown turns upside down :| quote handles invalid ticker symbol can't check until a frown turns upside down :| quote ...
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22 views

CS50 Finance Error: Expected something but got other

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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79 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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1answer
54 views

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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15 views

How do I get an API key from IEX?

I've just started on pset9 finance, but I can't create an account with IEX. When I try, it tells me that my email address is already in use (this is definitely not true - I'm using a relatively new ...
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1answer
44 views

Finance (buy) having trouble to update the table

So I'm trying to update the "share" column in an existing row in the table portfolio instead of creating a new one when buying a stock that the user already has, here is my code: def buy(): ...
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1answer
28 views

Finance - register: Always getting 500 error

I am struggling with the implementation of register. I started small, just copied the content of the already defined login-function as well as the content of login.html. So, my first attempt is just ...
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1answer
53 views

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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1answer
58 views

I'm on pset9 right now and I'm running check50 on my code and getting :( logging in as registered user succeeds expected status code 200, but got 403

I've tried everything that I thought could be the problem but nothing is working. I registered and tried logging in but I keep getting '403 Invalid username and/or password' error This is my login ...
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28 views

CS50X Finance: check50 says buy isn't handling valid purchase. But it is handling fine

I'm wondering what is being tested because its looking for the value 112. expected to find "112.00" in page, but it wasn't found I'm flashing the result of the buy transaction on the index....
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43 views

Pset Finance - issue with usd

I'm stuck with pset9 Finance... When I try to sell a quote and return to index.html, I have an error with : File "/home/ubuntu/pset9/finance/templates/index.html", line 1, in top-level ...
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1answer
58 views

check50 errors for "buy" and "sell"

I get below errors from check50: :( buy handles invalid ticker symbol application raised an exception (see the log for more details) :( buy handles fractional, negative, and non-numeric shares ...
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1answer
46 views

What mistake am I doing in the below "buy" and "sell" code.? I get the below errors from check50

I get the below error from check50: :( buy handles invalid ticker symbol application raised an exception (see the log for more details) :( buy handles fractional, negative, and non-numeric shares ...
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0answers
13 views

What mistake am I doing for the below "sell" code.?

What mistake am I doing for the below "sell" code: @app.route("/sell", methods=["GET", "POST"]) @login_required def sell(): """Sell shares of ...
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17 views

Why can't I update the Cash balance.? It only shows the balance that was deducted the first time only

application.py @app.route("/") @login_required def index(): """Show portfolio of stocks""" # Select symbol owned by user and its quantity purchases ...
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1answer
100 views

Pset 9 Finance index function, current stock price not displaying correctly

I am working on getting the proper information to display on the index page. I have one piece left, and it is displaying the current value of the stock. When I look at my output for my 'user' and '...
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42 views

ADD EXTRA CASH IN FINANCE

Trying to add extra cash to my pset finance. I have made as you can see below in the picture, that is adding an extra part of code to the index function(), but I'm just getting a 404 answer. Why is it ...
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1answer
80 views

CS50 Finance index doesn't display what it needs to

I'm at the last check for the 'buy' part and I keep getting: :( buy handles valid purchase expected to find "9,888.00" in page, but it wasn't found I'm pretty sure that number is supposed to ...
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1answer
42 views

Buy/Sell on Index - button attributes & form value issues

I've got a couple issues adding my own buy/sell buttons to the index page. First, each "Buy" or "Sell" buttons opens up the form for all of the table rows. How can I modify these ...
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235 views

Pset 9 finance-Problems for type= number output on the webpage

I am working on a CS50 task called "finance". The problem is that I get an error when I want to check the integer value of the share amount and put it on a separate template for checking my ...
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10 views

Q: how to read terminal window and debug in Finance?

I am receiving errors (in red) in my terminal window. However I'm not understanding what those errors actually mean. Can someone help direct me on how to 1) read the error 2) find out where exactly ...
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1answer
168 views

PSET 9 Finance index.html issue with displaying table results with html

I'm currently on CS50 PSET 9 Finance and stuck on the index.html portion of the assignment. This is my code from assignment.py: @app.route("/") @login_required def index(): stocks = db....
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1answer
60 views

check50 on finance pset

I'm having 2 problemas with my check50: :( buy handles fractional, negative, and non-numeric shares :( sell handles invalid number of shares As shown in the code below, my input in buy and sell is ...
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1answer
42 views

Buy Finance Pset9 Cash not working

I am working on pset9 finance and I have been stuck for a while on it, especially this part: cash = db.execute("SELECT cash FROM users WHERE user_id = :userid", userid= ...
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1answer
21 views

Problems when deploying "Problem9: Finance" to Google cloud platform

I'm trying to deploy "finance" to the google cloud platform. My solution passed the check50 test 100%. To deploy it to the google cloud platform, I kept all the ordinary code, only removed ...
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1answer
79 views

PS9 Finance - Check50 - :( buy handles valid purchase

I am running into an issue with check50 on my buy function. Check50 gives me the following error: :( buy handles valid purchase Cause application raised an exception (see the log for more details) ...
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0answers
27 views

Week 9 - Finance. How could I check de return?

I am coding the week 9 problem (Finance) and I am part of (quote) and I have some doubts. The lookup () function returns (none) if the API does not find (stock). I am interested in how I check using ...
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1answer
63 views

Pset9 Finance Sell select menu

I'm doing the "sell" part of the Finance pset. I am trying to display the stocks someone is able to sell on a HTML page with a select menu. The problem is that they don't display properly on ...
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18 views

Index route_TypeError: 'NoneType' object is not subscriptable

I tried to run the program and encountered this error: My code: @app.route("/") @login_required def index(): """Show portfolio of stocks""" # Selecting ...
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1answer
34 views

Pset9 Finance - How do I load the symbol into my input box on the Buy.html?

I am successfully getting the symbol from the button (as see in image) but I am not sure how load it into the text field as value to be submitted. Please help.... @app.route("/buy", ...

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