So, I've been programming for what is a probably a little bit and made a very simple logging system for my personal projects. While it works out fairly well so far, I would like advice on how to make it perform better and stuff I can do to make it more usable in general.
Main questions include:
...
I needed to make a freight calculator and had to solve a bin packing problem. I utilized a github package https://github.com/skjolber/3d-bin-container-packing
Basically with the help of my stack overflow question I made a class Method that
Splits an array of packable items into the number of ...
Having just started a new job, I've been looking at the code base of the 2 big projects and am experiencing a combination of respect and forehead-slapping.
One thing which has led to the latter is code in the various repositories which seemingly check for authorization.
To elaborate, these appl...
This code doesn't allow me to do anything when I added a scoring method.If someone can show me how to use a class that'd be extra helpful.
import random
import pygame
import time
import os
pygame.init()
screenwd = 1200
screenht = 800
yellow = (255,255, 0)
white = (255, 255, 255)
black = (0,0...
I have been studying Haskell by myself for about a little over a year. And I have been stuck at monad/monad transformers for quite a while until recently some examples I read online enlightened me. So I decided to try on the following problem with writing monadic Haskell code.
The problem is to...
TLDR
Python developer; first project in Go; looking for feedback :)
Repo
Overview
I just started learning Go as I need to use it at work.
As a fan of project-based learning, I put together a small program to practice writing it. I was hoping someone could review my code & project organization...
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name='Root'>
<xs:complexType>
<xs:sequence>
<xs:element name='Customers'>
<xs:complexType>
<xs:sequence>
<xs:elemen...
I just deep dived to Python and I came with this Hackerrank problem:
Create two class, Person with firstName, lastName, idNumber as its attributes with method printPerson() simply print last name and first name and id, and the derived class Student.
The Student class has additional attributes, ...
I have implemented PropertyInfo GetValue and Expression Cache GetValue by Logic from Reflection vs. compiled expressions vs. delegates - Performance comparison,but I'm sure that there are better ways to do every thing that I did. I would appreciate any feedback on this code, which does work accor...
I have created a cumulative profiler,
meaning it runs a function several times in a row and prints the cumulative profiler results.
it's python >= 3.6 specific, but you can remove nonlocal and the type hints for it work on older versions.
import cProfile, pstats
from typing import Union, List, ...
I have a CSV holding a "flat" table of a tree's edges (NOT binary, but a node cannot have two parents), ~1M edges:
node_id parent_id
1 0
2 1
3 1
4 2
...
The nodes are sorted in a way that a parent_id must always come before any of its children, so a parent_id will alway...
this is a login in code it work with me good but i want to make it more safe if you can help me with this code if any one have time i need to know how to solve SQL injection i have 3 select in my code help me with any one from thim and i will try to solve the author
SqlDataAdapter sda = new Sq...
Sorry for my bad English. So I want to know, is there any simple code for making an Hour Glass pattern with odd or even input using Java or Python? Because my code is not simple (I'm using Python).
Here's the output example:
And then, here is my code:
def evenGlassHour(target):
jsp=1
jtop=...
FORWARD NEURAL NETWORK. SyntaxError: unexpected EOF while parsing . this is the error i am getting if i am including last statement 'err' in loop. how to rectify it
for i in range(len(data)):
nsum_hid_layer = np.dot(W1, X.loc[i,:])
nout_hid_layer = np.maximum(0, nsum_hid_layer)
nsum_o...
I took a task from Codility to find longest sequence of zeros in binary representation of an integer.
For example, number 9 has binary representation 1001 and contains a binary gap of length 2. The number 529 has binary representation 1000010001 and contains two binary gaps: one of length 4 ...
i have been looking for my first front end job lately, the problem is that i never received a call by now.
i assume my skills are not enough to land that first front end job?
i have a couple projects on github, i used vanilla js and all the latest css technologies... flexbox, media queries, css a...
I need to create a Map payload of Json as follows with objects
{
"english" : {"student":"alpha","Id":100,"presence":false},
"maths" : {"aggregrate":75,"total":100,"report":"yearly}
}
How can i create a Map of 2 keys with values refrence to a Json ?
The start of a simple scrabble solver
What I have so far:
Add a word to the trie
Return a sorted list with the all possible combinations, based on the letters input
Some basic tests
Just wondering if my Trie seems correct before continuing
from queue import Queue
import unittest
class Nod...
I made a simple password vault in Java and I was wondering if anyone had any input on it. The code works fine, I just wanted to know if there are any improvements that could be made.
import javax.swing.*;
import javax.swing.table.*;
import java.awt.event.*;
public class PasswordVault implement...
One of the app is inserting date in UTC format (column "CreateDate").
When reporting from this table, I used a difference in hours between the inbuilt GetUTCDate() and GetDate() and added the same to the CreateDate column.
I was hoping to not worry about the daylight time.
Is this approach OK?
S...
To check out the cssv module i wrote a small programm which takes all xlsx files in a folder and converts them into csv files.
Let me know what you would improve on this program.
xlsx_tp_csv
"""
All xlsx files in the folder of the script get converted into csv files
(One for each sheet).
The n...
I've been assigned to use Dijkstra's algorithm in order to find the shortest path on real data, more specifically on Luxembourg's map.
The map is an .xml file with the following structure.
<nodes>
<node id="0" longitude="4963454" latitude="621476"/>
<node id="1" longitude="4959...
I'm new in stack exchange i have 2 majors problems with a script. Firstly, snake length does not change even i eat the apple(actually i have to pass over the apple many times to increase length) and secondly, snake crosses the boundaries without game over.(I've programmed the boundaries). Also ho...
Please, review the code:
const callback = (...args) => {
console.count('callback throttled with arguments:', args);
}
const debounce = (callback, delay) => {
let timeoutHandler = null
return (...args) => {
if (timeoutHandler) {
clearTimeout(timeoutHandler)
}
timeoutHandl...
I made a function that prints out letters in large block letters with each large letter corresponding that same letter. Sample output:
EEEEEE
E ...
I'm creating multiple django apps with vote possibilities. So I made an app vote to handle all this votes. In my templates I'm including an ajax-function named vote. To know on which model I'm liking I add app_name and model_name to the vote function (I made some templatetags to get these values)...
I am trying to ensure that (once a cache item is populated) even if it's refresh object takes a long time to retrieve, the original cache item can be requested.
using System;
using System.Runtime.Caching;
namespace LongCacheTest
{
class Program
{
static void Main(string[] args)
...
I'm rather new to PowerShell so I could use some help with why my script is running so slow. It starts off just fine, and even the first 30 or so iterations of the for loop are zippy. But by the time my for loop gets to around 75 iterations, it has slowed down to ~20 seconds per iteration. Do I n...
