This is my first cart implementation in rails so i wanted to get some feedback on the right method to implement it.
First of all i am storing the data directly in session because the items in the cart are small.
The idea is that i save a list of integers(ids of the items) in session[]. When a...
I made an ATM Machine application that uses arrays. I need hints/suggestions on how to improve the code. I have made single line comments to state these questions. (Please skip following info if not important to you) I am supposed to create an atm machine that:
asks user to input username and...
I am trying to generate n-grams from series of words in a para or sentences, when I use sliding_over_words=False, fixed_length_gram=False in my code, though it generates valid result but it seems to be patchy as it generates an empty element in my dictionary too like (): [36, 40] in {(): [36, 40]...
I am basically saturated to find further solutions on this issue. Any pointers are appreciated.
I am running a python script which takes a word file, parses through it using regex for various values and resulting matches are converted into a json dictionary so that I can use the output to form a...
One major annoyance in VBA programming is that it's hard to keep a secret secret. In this particular case, it's the ADODB.Connection. For reasons not germane to the post, it is necessary to be able to re-create new instances of ADODB.Connection, which also implies filling in the connection string...
In order to learn java, I have been working through some HackerRank problems. The one I am asking about is here:
There are cities that we can connect together by repairing some destroyed roads, provided by integer pairs
We can build a library in one or more cities
There is a cost to the roads ...
I want to select multiple rows based on multiple values in a single column. Example below.
Is there a better way to do this?
I decided to make a simple calculator, but then I decided I want to make an advanced calculator. Before I achieve that though I settled for a calculator capable of order of operations.
#!/usr/bin/env python3
"""
Brandon Dunbar
Start Date: 11/20/17
v1.0 End Date: 12/04/17
Calculator
"""
# Can...
Every piece of business that gets written (E.G. an adviser's client puts an additional £10k payment into a pension plan) goes in a spreadsheet called the SubSheet. It's split into 8 worksheets for different kinds of business, each with lots and lots of columns. E.G. "Adviser" "First Name" "Invest...
I am struggling with creating a Stored Procedure in SQL Server for getting sales statistics. I have managed to get the information I need out, but the query is a mess and I have probably messed up the table variable by using 3 different ones.
Any ideas on how to merge this triple part-query into...
I would like to improve my DisjointSet class implementation in Python. I would be grateful for specific advice. I use it in online contests so it must be short, quick and reusable.
from copy import copy
class DisjointSet:
def __init__(self, s=None):
if not s is None:
self.__par =...
Child classes inherit the function from the parent, but the function defined in the parent, uses the field defined in the child class. Is this ok?
class Logs{
public static function getMessage( $code ){
return isset(static::$errors[$code])
? __(static::$errors[$code])
...
I was trying to solve a task on leetcode, where I need to find if a positive integer is the sum of squares of two other integers. My solution is below, but it fails due to exceeding time limit.
var judgeSquareSum = function(c) {
let output = false;
for(let i = c; i >= 0; i--) {
for...
I have been asked to replace some Windows Services with Web Services and make it more efficient. There is one particular call SP that I am having difficulty with on how best to approach it.
The SP is as below at the moment, and I have tidied some things up within it, however, the main area of ...
I've just started to read K&R. I'm on page 31 and this is the solution I implemented for problem 1-19:
#include <stdio.h>
#define MAX_LINE_LENGTH 1000
void reverseLine(char reversedLine[], char line[], int lineSize);
int main(void) {
int c;
int i = 0;
char line[MAX_LINE_LENGTH];...
I would like to have some insights on the code i created. It would be really insightful for me to get some feedback about the code, what should i do differently, i there an easier, more elegant way etc. Thanks!
Code:
#!/usr/bin/python3
import math
import sys
import os
import matplotlib.pyplot...
Sorry for the long keyword title, but I wanted this to be easily discover-able by others who are looking for similar solutions.
I have a Xamarin.Forms application which utilizes dependency services to access Android specific features, in this case file access on the storage.
The file we are acc...
Write a method isSorted that accepts a stack of integers as a parameter and returns true if the elements in the stack occur in
ascending (non-decreasing) order from top to bottom, and false
otherwise. That is, the smallest element should be on top, growing
larger toward the bottom. For e...
im doing a project to my OOP Class, using C# with SQL Server, and i think im not coding the best way... I dont want code, just some guidance on how to improve my code.
for example: I have the following treeView that will populate a datagridview according with the selected node. In the database, ...
Any idea for some classes on a rock game paper scissors project in the network using oop principles?
I did a Python implementation of binary search implementation
iteratively. It passes all of the test and I was wondering if I can
get any feedback.
Thank you.
#!python
def binary_search_iterative(array, item):
"""iteratively return the index of the item with binary search or None i...
I recently found adventofcode, but when I solved Day 3 in Python, I noticed that my code isn't looking very nice. The challenge is about navigating a hypothetical memory laid out in a square spiral:
You come across an experimental new kind of memory stored on an infinite two-dimensional grid....
I have tried to make a perfect number finder as efficient as possible in python. I anyone has any things I can add to make it more efficient or any problems with my code please say.
def is_prime(num):
if num <= 1: return False
elif num <= 3: return True
elif num % 2 == 0 or num % 3 =...
Hearthstone is a collectible card video game similar to Magic: The Gathering, where players play cards with certain values of "attack" and "health" for certain "mana" costs. After being introduced to some of the basics of R, I decided that I would find some of the "values" of these characteristic...
I am developing a promotion/coupon platform where sellers/merchants can create coupons and will be published on the site.
Visitors can also submit coupons to the site.
This is the first part of series of code i will be posting here for review as the project proceeds.
Below is the coupon domain ...
I have an XML file that has got the following structure:
<root>
<body>
<e1>
<en>
<tag1>testt1</tag1>
<tag2 user="anonym">testt2</tag2>
<tag3>testt3</tag3>
<tag4>testt4</tag4>
<tag5>
...
To learn further i decided to try solving some of project Euler problems. Here are the first five of them.
The things i'm interested the most from the review.
The performance of the code
Overall review of the code structure, styling rules and naming convention.
Problem: 1
Find the sum...
I use the below code to keep track of the rank names and hierarchy in my ASP.NET application.
Theoretically, the dictionary and collection should both be created only once, but this is done only with a few piecemeal references and my own limited knowledge on the topic.
// Various utilities to...
