Questions tagged [list]
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13
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PSET 9 Finance - NONETYPE error after querying db
Need help solving this error:
File "/workspaces/finance/app.py", line 223, in sell
if available_shares < shares:
TypeError: '<' not supported between instances of 'NoneType' and 'int'
...
CommunityBot
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1
vote
1
answer
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How to display python list in index.html ? finance - index.html
I need is to display the list below in index.html file.
print (stock_info)
[{'symbol': 'AAPL', 'name': 'Apple Inc.', 'price': 145.16, 'quantity': 20}, {'symbol': 'AMZN', 'name'...
CommunityBot
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Says that ./hello is a directory and error code when say clang -0 hello hello.c
I was following the directions from the website and was putting clang -0 hello hello.c I got an error code. I'm not sure if this means anything but when I put ls it says a.out* hello/ and hello.c. ...
1
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1
answer
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Cant get past the ls command in hello.c
I cant get past the List command in hello.c, and i'm not sure if i'm supposed to get something in the terminal after i type in ls, so i kept going and typed clang and i get the error message. I've ...
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Problem Set 1 help, clang hello.c, and ls (list)
When I follow the directions from Problem Set 1 on the website, I get an error code when I type in clang hello.c and when i type in ls the list doesn't show up. Before I made the new file so I could ...
CommunityBot
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1
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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....
- 28.4k
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PSET6 Similarities (More) 500 Internal Server Error
While performing testing of my web application, upon submitting the form and going to /score, none of the actual webpage is displayed, only the text:
Internal Server Error
The server encountered an ...
- 18.7k
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Pset6: Python how to extract a single number as int from a list of strings of numbers
i = 0
sum = 0
sum += number[i]
i += 2
It gives me this error:
'int' object is not subscriptable
Googled it. Don't understand.
What I want to do is add every other number in a credit card number, ...
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1
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pset7: why do we need [0] in from of list? (e.g. someData[0]['dic']?)
Just completed pset7, gosh it was a long one, took a month!
Am curious as to why we need to have a [0] in front of the list to get the "pure" data?
For instance, when we get back a list while ...
- 7,396
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speller, linked list [duplicate]
//defining a node with a word and a pointer to a node
typedef struct node
{
char word[LENGTH+1];
struct node *next;
}
node;
// defining an array of 26 node pointers one for each letter of the ...
CommunityBot
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1
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A very basic program to find out the largest int given the number of bits used. Why is my output off?
I think im retarded.
CODE:
#include <stdio.h>
#include <cs50.h>
#include <math.h>
#include <string.h>
int main(void)
{
long long sum = 1;
for (int i = 1; i < 50; i+...
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CS50 commands, standard commands - is there any literature and who did that? [closed]
I am on week 1 and it is a lot frustrating to me. I certainly am not good with computers. When in first part of the lecture, teacher says things such as someone invented it, computer looks for it... I ...
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confused by search function in Week 7 "lecture, continued"
I didn't quite follow the lecture; maybe someone can help me. This is regarding Week 7's "Lecture, continued," about 12 minutes in, when Prof. Malan is going over the simple implementation of a search ...
CommunityBot
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