I'm new to C++ and I decided to experiment with the language, by writing a mathematical expression evaluator, using the Shunting-Yard algorithm. A design choice that may stand out as weird is the fact that the parser creates an abstract syntax tree rather than just converting it to Reverse Polish...
Here's my code:
<?php
$db = new PDO('mysql:dbname=dbname;host=host', 'user', 'pass');
$ne = explode(',', $_GET['ne']);
$sw = explode(',', $_GET['sw']);
$shape = "Polygon((
$sw[0] $sw[1],
$ne[0] $sw[1],
$ne[0] $ne[1],
$sw[0] $ne[1],
$sw[0] $sw[1]
))";
$sql_where = '';
if (strlen($_GET...
I was try to add up data in Gotocart.js and was using a nested map but nothing is showing up in the page
the Gotocart.jsx is below
import React from 'react'
import { useState } from 'react'
import { data } from './Data'
import cartstyle from './cartstyle.css'
import Cartitems from './Cartitems';
...
I have this method and checking it with pylint I'm getting this warning.
R1702: Too many nested blocks (6/5) (too-many-nested-blocks)
How do I need to refactor my code that it be by the standard of pylint?
def button_validate(self):
res = super().button_validate()
if (
...
Is it better to use a C# pattern?
if (value is null or "")
or:
if (string.IsNullOrEmpty(value))
I created a two steps changing email system. Firstly I show You the concept how it should work and then the code. I am using Django and React.
Main question: is it a good way to do it? Is it fine to use Redis in this situation? Can I improve something in this code?
Concept
When the user want to c...
[HttpPost]
[Authorize("PublicCreateOrder")]
public async Task<ActionResult> CreateOrder(CancellationToken cancellationToken)
{
var watch = System.Diagnostics.Stopwatch.StartNew();
//--------------> Performance measure Start <------------ FROM THIS POINT
Str...
In my Azure DevOps Project, I have a Git repository that I would like to copy to another Azure DevOps Project.
In other words, I should be able to copy the original repo into other Azure DevOps projects as needed.
To import work items into Azure DevOps, I have written the following code.
Would yo...
Based on this question, I thought I should show how to implement an expression evaluator using Flex and Bison.
Currently it does not handle releasing the expressions (I only spent an hour throwing it together).
Makefile
YACC ?= bison
LEX ?= flex
CXX ?= g++
SRC ...
I am trying to sum primary diagonal and secondary diagonal of 2D array of python
like this.
records = [[12, 5, 2 , 1], [15, 6,10 , 1], [10, 8, 12,1], [10, 8, 12,1]]
primary_diagonal_sum = 0
array_size = len(records)
secondry_diagonal_sum = 0
for index , record in enumerate(records):
prima...
