Questions tagged [finance]

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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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1answer
15 views

How to access the values returned by SELECT SUM

I am trying to create the table in pset9 finance to display what stocks the user has. My current attempt tries to do this by summing up the number of stocks in past transactions the user has made. I ...
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database schema for finance PSET9

Just wondering what the best database design is for this particular pset. ATM I have a table for trades which serves to record all transacsatsions (buy and sell), each trade has an unique id, and ...
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1answer
11 views

Why is the portfolio not being displayed? I get not errors but nothing is being displayed. I am at a loss as to why I cannot display any stocks

@app.route("/") @login_required def index(): """Show portfolio of stocks""" rows = db.execute("SELECT symbol, SUM(shares) as Total_shares FROM ...
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1answer
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PSET 8 Finance “:( buy handles valid purchase exception raised in application: TypeError: 'method' object is not subscriptable”

I've been having a problem with CHECK50, I cant seem to find the right object to change. This is the log I get sending GET request to /signin sending POST request to /login sending POST request to /...
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0answers
26 views

C$50 Finance: “:( sell handles valid sale expected to find ”56.00“ in page, but it wasn't found”

Check50 does not seem to think that the values in my table in index.html are updating correctly. After an afternoon of testing and searching through here and stackoverflow for similar issues, I cannot ...
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1answer
26 views

API key or look up function error in cs50 finance pset9?

I was working on the implementation of buy and trying to buy stocks when all of a sudden I began receiveing incorrect/invalid stock symbol for every stock symbol I tried(as if the stock symbol was not ...
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1answer
30 views

PSET 9 Quote function not working correctly

Lookup function always returns "None". Weirdly the same code produced correct results yesterday but as of today it stopped. Any thoughts why? The code for the quoted.html and application.py ...
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0answers
43 views

Pset9 Finance| “Index table” doesn't display all the companies

I'm doing pset9 "Finance" and I've designed the two tables in the database, one with purchases and the other with transactions. Now when I render the index page, the shares of only one ...
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1answer
30 views

Runtime Error Unsupported Value in pset9 Finance

I'm doing Pset09 "Finance" and I have been stuck in the "index" function for quite a while. I tried to use the already existing "trans" table but I am getting an error. ...
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26 views

issue with my “Buy” code in finance problem set

There is a syntax error when I try to insert the buy information into my trade table. Here is my code. The issue is at the long db.execute line. Any guidance would be great. Thanks. def buy(): &...
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0answers
13 views

pset9 finance // expected to find “112.00” in page, but it wasn't found [duplicate]

Hi I was testing out my code for the buy function to buy a stock but once I tried to buy a stock it gave me this error: expected to find "112.00" in page, but it wasn't found and I am not ...
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1answer
28 views

pset9 buy function // buy handles invalid ticker symbol and handles valid purchase having error

I ran check50 to check some things that were wrong and I got 2 errors but when i check the details of the error it doesnt really give me a detailed overview of the problem so I am not really sure how ...
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0answers
23 views

Finance problem set. Register is not loading

I can not get the register page to load. I assume something is wrong with /register section of application.py, but can't find my problem. Any help is gratefully appreciated. Here is my code. @app....
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0answers
25 views

PSET 9Help with SyntaxError: invalid syntax error

The SyntaxError: invalid syntax error points me to line 75, but I cant see what is wrong there. Please I need help to identify possible reason. When i run Flask, the server crashes. 192.168.1.172 -...
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1answer
30 views

CS50 Finance check50 problem in sell function, it works fine when i test it as well but idk what the problem is

I tried my solution multiple times and compared it to the staff's solution as well but there is an check 50 error saying ":( sell handles valid sale expected to find "56.00" in page, ...
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2answers
30 views

What is the difference between Finance in 2020 and 2021

Please I want to ask What is the difference between Finance in 2020 and 2021. I have tried the problem set in 2020, I want to know as it might help em know how to proceed.
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1answer
30 views

pset9 finance // index function doesnt display the sum of the shares

I am doing pset9 finance and I am kind of stuck because whenever I buy for example FB stocks multiple times it doesn't sum up in to show in the index function. this is the code: @app.route("/&...
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1answer
32 views

PSET9 /Register exception raised in application: RecursionError: maximum recursion depth exceeded while calling a Python object

I'm having a weird issue with my register() and it was working before. Now it's giving me this error without touching this function: exception raised in application: RecursionError: maximum recursion ...
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1answer
25 views

pset9 finance // how can I check whether someone has registered

I ran a check50 and i found that its not checking if the user is in the database when registering so i decided to put a if statement which checks if the user is not added but it gives an error and i ...
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1answer
92 views

pset9 Finance “jinja2.exceptions.TemplateSyntaxError: expected name or number” error

In my index function, every time I try "flask run" it outputs that error (jinja2.exceptions.TemplateSyntaxError: expected name or number). Everywhere I've checked most people have been ...
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1answer
50 views

pset9 Finance - “ RuntimeError: unsupported value: ” error

(1) "buy" code in application.py: @app.route("/buy", methods=["GET", "POST"]) @login_required def buy(): if request.method == "GET": ...
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0answers
40 views

PSet9 Finance: Check50 register function exception - 'NoneType' object not subscriptable

I recently completed Pset9 (everything seems to be running fine on the local server) and decided to run a check50 before submitting. However, Check50 marked two issues in my register function: "...
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0answers
35 views

Is there a bug in check50 cs50/problems/2021/x/finance?

I completed problem set 9 and works as supposed, but with check50 I get the following result: :( sell handles valid sale expected to find "56.00" in page, but it wasn't found For testing ...
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1answer
44 views

pset 9 Finance can't register or check for duplicates TemplateSyntaxError

I'm passing all register checks except for: :( registering user succeeds :( registration rejects duplicate username I've checked other answers and I've re-written the code a few times but I can't ...
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0answers
77 views

What's wrong with my register function? (Pset9 - Finance)

Here's my register function in application.py: @app.route("/register", methods=["GET", "POST"]) def register(): """Register user""" ...
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1answer
143 views

CS50 (2021) - Finance. :( registration rejects duplicate username - expected status code 200, but got 400

I´ve been struggling to complete the Pset9 - Finance, version from 2021. After reading multiple threads I decided to post here the issue, looking for some guidance so I can move forward in the course. ...
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2answers
62 views

PSET9 Finance: Check50 says Buy doesn't handle fractional/invalid shares, but when I try these things my page does reject them. Why check50 no like?

I have been using some of the html from the cs50 finance example page: https://finance.cs50.net/buy (which is permitted by CS50) I think it may be at the root of the problem. Here's the relevant html ...
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1answer
20 views

For finance, does anyone know why my page for selling stocks does not work?

Here is my python code. @app.route("/sell", methods=["GET", "POST"]) @login_required def sell(): """Sell shares of stock""" if ...
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1answer
28 views

For finance, does anyone know why my page to buy stocks does not work?

Here is my python code @app.route("/buy", methods=["GET", "POST"]) @login_required def buy(): """Buy shares of stock""" if request....
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2answers
104 views

Finance Check50

I completed Finance and everything seems to be working for me but when I use check50 it gives error. https://submit.cs50.io/check50/9d1a3517645a1207b1792d521c920386d586caf0 As you can see it shows ...
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1answer
35 views

Internal Server Error just using the distribution code in CS50 Finance

The distribution code for new CS50-Finance application is not working. It is giving Internal Server Error when I do "flask run". Can you please help? ~/workspace/ $ cd finance ~/workspace/...
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2answers
70 views

CS50 IDE gives error for flask run

I was able to run flask run till yesterday. But today it is not working, it has been giving errors for SQL and I have been able to code today. It gives me this error continuously. ERROR: Error on ...
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1answer
15 views

Why do my defaultdict get overwritten?

I'm trying to add two lists to a defaultdict, by the following code: for index, holding in enumerate(holdings): # Get all relevant numbers symbol = holding['symbol'] stock = lookup(symbol) ...
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1answer
45 views

Pset8 Finance Register HTTP 500 error

I am working on the Finance PSET8 and am having trouble with the Register part of the problem. This is my application.py code: @app.route("/register", methods=["GET", "...
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1answer
42 views

register not inserting credentials and returning invalid username/password

I almost spent a whole day on this. I saw every letter in the function, but still didn't got any progress. When I register, It show like this here's my code: @app.route("/register", methods=...
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1answer
59 views

Pset8 Finance personal touch

I decided to go with trading from index without manually typing the symbol. Also, I decided to simply go to the buy/sell page with the symbol pre-selected by a GET method (without quantities being ...
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2answers
155 views

CS50 pset8 finance buy

I have been struggling with the buy portion of the finance assignment for CS50. I have created my new tables and written down the logic concerning buying stocks. When I run flask and try to purchase ...
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1answer
61 views

Blocked on C$50 Finance suggested personal touch feature - adapting index page to enable transactions in situ

Dug into the docs and trawled all the usual online sources but starting to suspect that I'm trying to solve this in a way that's impossible! This is how I've edited the index page to allow user input ...
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1answer
21 views

Finance - trouble implementing javascript

I am trying to set up my index page so that each stock in the user's portfolio has buttons to buy and sell said stock. The first step is working so far. Each row in the index table has buy and sell ...
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1answer
43 views

PSET8 Web Finance - Index/Portfolio - Why do my for loop variables not pull over to Portfolio.html?

I have the below code for my application: #valid stock row queries valid_stocks_rows = db.execute("SELECT symbol, SUM(shares) as sum_total FROM ledger WHERE user_id=:user_id GROUP BY symbol ...
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0answers
43 views

CS50 Web Track - Finance: OSError: [Errno 99] Cannot assign requested address

I'm trying to create a standard 'forgot password' feature for my web application. The issue is, when the user types in their email address and clicks submit to receive a token after which they can ...
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0answers
59 views

Finance - Buy Implementation

I am getting the error message "500 Internal Server Error" when trying to buy shares. Can you please tell me what I am missing? The application.py code is: @app.route("/buy", ...
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1answer
36 views

Week 8 - Finance - Buy - Getting Error Message Missing Shares

I'm trying to get the Buy implementation to work but I keep on getting the error message "Missing Shares" when I log into the cs50 finance site and enter in the symbol and number of shares. ...
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1answer
101 views

CS50 Finance Register

I was able to figure out the POST and /register, but I am confused on how to use INSERT a new user into users. Any help would be appreciated. Thank you. From application.py @app.route("/...
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2answers
37 views

Finance - Index showing correct number of rows but all the same record. For- loop issue?

So I've been looking at this all morning and can't figure what I'm doing wrong. All my variables are producing the correct values so it seems to be something to do with my For loop. In the html ...
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2answers
46 views

finance password strength validation fails to call function

I'm trying to call a function which I've defined but the code fails to call it. Does it matter where the function is defined? def register(): """Register user""" ...
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3answers
36 views

pset8 Finance History - rows repeat in the table in number of times per length of rows

Do not know the reasons why the row in the HTML table will repeat in number of times per the length of rows. Please see my codes as follows: application.py rows = db.execute("SELECT * FROM ...
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1answer
58 views

FINANCE: GROUP BY doesn't add up the numbers of shares of the same stock

So in index i'm trying to display a table with all the stocks that the user has bought, one row for each stock, displaying the total number of shares in the user's portfolio along with the total value ...
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0answers
17 views

FINANCE: how to commafy numbers in jinja?

I was wondering about how to commafy large digits in jinja so that instead of [$10000 / $100000 / $1000000] these numbers would be displayed as such [$10,000 / $100,000 / $1,000,000] I've been looking ...

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