I have been learning and creating a login system with PHP and mysqli this week but have ended up stuck on the login aspect
if (isset($_POST['login'])) {
$username = $_POST['username'];
$password = $_POST['password'];
if (empty($username)) {
array_push($errors, "...
A few weeks ago, I wrote a Reverse Polish Notation program for my Ti-84+CE calculator. It was a successor to a program I wrote in TI-BASIC a while back, but since that one had too much input lag to be usable, I decided to write this one in C and compile it to native z80 assembly.
I wrote this pro...
I'm sketching out a data model for a Rails app that lets users submit answers to technical questions. For example, the prompt might be:
Write a SQL query to determine the number of unique visitors last week
My models would look like this:
class User < ApplicationRecord
has_many :submissions
en...
I am following this tutorial: Bellman-Ford Algorithm by Jessica Su and implemented the Algorithm 2
as follows:
def negative_cycle(adj, cost):
"""
detect negative cycle in a graph
reference: https://web.stanford.edu/class/archive/cs/cs161/cs161.1168/lecture14.pdf
param adj: list o...
How can I avoid repeating code fragments between the mutations and types with graphene in a FastAPI app? I really want to avoid repeating any codes for obvious reasons.
graphql\mutations.py
import graphene
from models.customers import CustomerLogin, CustomerLogin_PydanticIn
from graphql.types i...
I am trying to solve the following problem:
Return total price based on items and certain conditions. For example,
take this array [['oranges', 1], ['apples', 2],['grapes', 7]].
Based on this array return total costs if second array property is a quantity and
product is first array item. If say...
The following code is an async beginner exploration into asynchronous file downloads, to try and improve the download time of files from a specific website.
Tasks:
The tasks are as follows:
Visit https://digital.nhs.uk/data-and-information/publications/statistical/mental-health-services-monthly...
I made a test job to the position of Junior Java Developer. I did not receive any answer from the employer, so I would like to get a review here.
Task description
A simple text file with IPv4 addresses is given. One line is one address, something like this:
145.67.23.4
8.34.5.23
89.54.3.124
89.54...
for(
let i = 0, j = 10;
i < 5;
(() => {
i++; j++;
})()
){
console.log(i, j)
}
so my question is that does it recreate the function everytime or it just create it once and use it again?
I am trying to learn C++, so I started coding a custom string class (using only c-style strings) to get familiar with concepts like operator overloading etc. in the case we have a pointer attribute. I wanted to know if there is a smarter/better/neater way to implement the += operator (or the othe...
You'll get better answers if you post code that's runnable. Code that's runnable can be tested for bugs, timed for performance, stepped through in the debugger, and so on. For example, this detailed performance analysis and refactoring would not have been possible if the code had not been runnabl...
I have to do a program in PHP that reads IGC files like this IGC file and gets records about the glider.
For now I came up with something like this:
<?php
class Pilot {
public $name;
public $gliderType;
public $competitionId;
public $gpsDat...
Is it OK if I write a question and include a link to GitHub/Pastebin/other similar site instead of putting the code here on Code Review?
In a TED talk Linus Torvalds made a point about “good taste” at approximately 14:10 in the interview. I read through his examples of “bad taste” and “good taste” and wanted to implement the same principle for a function that deletes the last node in a singly linked list. I also followed his codin...
Say I have an open source project hosted on GitHub or wherever, currently in the public review, testing, and bug reporting phase.
The Asking page says:
...feedback on a specific working piece of code from your project...
That tells me that it must be a piece of code not a whole project. Bu...
I am trying to convert a char buffer into multiple int variables. This is what i got so far after a day of trying.
ZeroMemory(buf, 4096);
int bytesReceived = recv(sock, buf, 4096, 0);
if (bytesReceived > 0)
{
/*for (int i = 0; i < bytesReceived;...
Code Review is scheduled for an election next week, 12 April. In connection with that, we will be holding a Q&A with the candidates. This will be an opportunity for members of the community to pose questions to the candidates on the topic of moderation. Participation is completely voluntary.
Her...
