I just completed Project Euler Problem 81 in Haskell. I'm looking for feedback on a few specific aspects, but I appreciate general feedback and style suggestions as well.
I try to solve Project Euler problems without external dependencies, and I'm interested in learning how to do things in the ...
I have a too large data.txt file containing data as follows:
a = line0
line1
line2
€
b = line0
line1
line2
€
...
z = line0
line1
I am still beginner with java, I wrote this code to split the data.txt into multiple .txt files named a.txt , b.txt etc... it splits the data.txt at each €\n charact...
This implementation seems to work. I would love to get any suggestions / comments on how this code could be improved. Are there any potential memory management issues? Any additional methods that would be useful (also, from educational point of view) to implement? Thank you!
Stack.hpp
#ifndef S...
I've implemented a factorial function in a more "Ruby" way. I would like to get feedback on the algorithm.
def factorial_of n
(1..n).inject :*
end
factorial_of 5
=> 120
I tried everything to make it work but the mode and weight category didnt work i want to ask if anyone can help fix the code and make it work. its just the basics but i hope someone can help me.
import statistics
user_stats = []
def program_menu():
print("Welcome message to the user to explain...
I am beginner in C++ (Data-structure algorithm) and I need some help to write a better computation function in my int computemodes method. Is there way to write a better function that sorts the item count pair list in descending order by count. For example the item count pair list becomes,
{2,3}...
I'm rewriting collection-json.js, a client for Collection+JSON. (Collection+JSON is a HATEAOS API media type built on top of JSON.)
My Goals:
Remove coffee-script
webpack, have a distribution
Use ES6 classes but hopefully, through the dist, make it work for people who aren't using ES6.
I'm m...
I wrote a solution to find all combination of 4 element from a list that sum of element equal to some digital
find all combination of 4 element that sum equals to target
Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b + c + ...
if (window.FileReader) {
var reader = new FileReader(), rFilter = /^(image\/bmp|image\/cis-cod|image\/gif|image\/ief|image\/jpeg|image\/jpeg|image\/jpeg|image\/pipeg|image\/png|image\/svg\+xml|image\/tiff|image\/x-cmu-raster|image\/x-cmx|image\/x-icon|image\/x-portable-anymap|i...
I recently worked on module, in which i implemented the functionality of downloading the CSV files, I need to know the best practices which will improve this to the next level.
@RequestMapping(value = "/export_data")
public void downloadDataInCsv(
@RequestParam("type") String type,
...
I began implementing Game of Life for fun, then I challenged myself to implement the game with no loops. I only used STL Algorithms. I don't know how to make pretty GUI's yet but this will print the coordinates of each alive cell. I also do not know if I made a good hashing function. I think it's...
I'm reading on how to implement design patterns. I'm trying to implement the DIP after reading SOLID principles. I'm a beginner in design patterns.
Application scope:
I'm building a Windows form C# project that keeps some information. It will create a bunch of textboxes and comboboxes dynamica...
I've been told few days ago that using is is a code smell and anti-pattern.
I used it in an game to filter some elements of a collection (the inventory of the player).
Classes structure
The base class of an element of the collection is Item :
public abstract class Item
{
public int Id {...
I have a method that takes as parameter an array of several depth (group) and a name as a string (currentFilterName)
checkFilterValue(group, currentFilterName) {
group.forEach((element, index) => {
if (element.children) {
if (element.name === currentFilterName) {
this.returne...
Summary
It appears we can create a property on a Django model, and add an annotation with the exact same name to querysets for that model.
For example, our FooBarModel has foo = property(...), and on top of that we can do FooBarModel.objects.annotate(foo=...).
Note that the names are the same...
I have created a query that populates a datapoint with random values.
The logic is simple: Iterate between the START and END dates and INSERT random values.
I want from this query to be very perfomant. For example populate every second of a year with values (what with this code will last ages)...
Just a simple script that puts a user's currently playing track(on Spotify) to his account's status on vk.com. And printing info about the track in the console.
import requests
import os
import json
URL_TRACK = 'https://api.spotify.com/v1/me/player/currently-playing'
URL_STATUS = "https://api...
I have an array of string values, where all elements match pattern \d+\w?.
For example:
string[] input = { "1", "1C", "1B", "1A", "2", "2D", "3", "4F", "4B", "6", "7" };
And I want to check whether this array is ordered.
For my case array is ordered when it satisfies following conditions:
...
Task
I want to handle a XML file from a source I cannot influence. All XML files from this source have the "problem" that the < and >symbols are represented by < and > respectively.
Problem
My program only sees the file on the local hard drive and is not influencing the genration of th...
Consider the following situation:
public class TeamMember { public string Name { get; set; } }
public class AlphaTeam
{
public AlphaTeam() { Members = new List<TeamMember>(); }
public ICollection<TeamMember> Members { get; }
}
public class BravoTeam
{
...
Suppose you get a response from some web service with things like:
[...] blocked by another user (pult ПРОЦ 0). Please try again later.
Which produces exceptions.UnicodeEncodeError: 'ascii' codec can't encode characters in position 41-44: ordinal not in range(128)
While trying to log the error...
I have a table called Developers
DeveloperName | password_ | Email
john 1234 john@gmail.com
Rose 5678 Rose@gmail.com
Developer Class
public class Developers {
private int developer_id;
private String developer...
Please look into the following code for a text-based bluff(cheat)game.
it should display the cards in hand for each user before their turn.
ask for the cards they want to call, and then for the actual cards they want to
place on the pile(one by one).
then display the number and type of card which...
i know how to print it
But my question is
import UIKit
class rules{
func printsomething(income:String){
print(income)
}
}
var objs:rules
print(objs.printsomething(income: "ssd"))
if I compile it
Error variable objs is not initialized before
I know how to print t...
sorry about my English , my PHP knowledge is very poor...
so , my problem.. I have a File , heard.php where have all PHP Code , here the PHP Code which I think making the problem...
<nav class="link_wechsel">
<h2 class="visually-hidden">Page navigation</h2>
<ul>
<li><a <?php if ($curren...
I was failed at coding challenge for my interview with the following reasons given by the interviewer: deep use of mutation and a not that well thought up internal API.
I understand that my code and design have so many flaws and I genuinely want to get your opinion so I could improve my code.
...
I have below working code with pandas and python, i'm looking if there is an improvement or simplification which can be done.
Can we Just wrap this up into a definition.
$ cat getcbk_srvlist_1.py
#!/python/v3.6.1/bin/python3
from __future__ import print_function
from signal import signal, SIGPI...
is it even possible to store content of .txt file into cassandra tables directly ?
if anyone ever done this thing then share your idea and logic please
I have a code with several if else statements in python and I want to optimize it without using all those if-elif statements. My code using the input variables with the purpose of output 3 variables by checking 12 specific combinations of the input vars. My code is the following:
def probs(s_a, ...
Last night, in about an hour, I created a relatively simple program in Python that could convert temperatures between Fahrenheit, Celsius, and Kelvin. But it's not working all the way.
def tofahrenheit(x, scale):
if "celsius" in scale:
x = (x * 9 / 5) + 32
elif "kelvin" in scale:...
I have created my first java app. I am very familiar with C++ and thus without reading any books (just introduction, googling and IntelliJ auto-completion) I directly jumped into Java.
So I made a calculator.
Main.java:-
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;...
I want to print a code like this in java:
/\
/ \
/ \
/ \
/ \
/__________\
I've spent hours going through this and I feel I am missing simething. Each employee has random annual leave totals somewhere it's broken
I repeated a lot of code here and I'm trying to use more es6 but I'm not sure where I should have used it in my code. I'd appreciate any input on where I could improve.
html :
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<title>Calendar</title>
<li...
Thanks everyone,and you know, What Around , come Around?
I am attempting to resolve the following problem:
Write a program in C that executes the following commands the same way a command interpreter would: paste file1 file2 | sort | nl > file3. You must consider that file1, file2 and file 3 will be parameters given to your program in the command l...
This is a Django tag with 2 classes, but can be viewed as a module:
What does the module do? it loads a database, performs some transformations on the data, returns the output as a dictionary of json strings for the frontend of django to represent in slickgrid tables
It's all working fine, but ...
How can I reduce the amount of if statements in this program to make it more robust and any other tips for improvement would be grateful.
# importing pickle
import pickle
# defining variables
create_username = 0
create_password = 0
password = 0
username = 0
# this variable allows the user or d...
When checking a python dict for a key, which is the better way here:
(I can't figure how to use dict.get() to make this cleaner)
if 'y' in self.axes:
ax = self.axes['y'].ax
coord1[ax] = x0
coord2[ax] = (y1) - height[ax]
coord3[ax] = x0 + width[ax]
coord4[ax] = y1
or:
try:
...
Well I'm lacking GraphicsPath in Unity (to fills polygon, draw them with and outline and utilities with shapes in general), so I'm doing my own implementation of it. Well, we could debate also which is the best option, but actually, I prefer this because I'm learning a lot.
The idea is the follo...
I have a small angular project, where I have an Article component to list articles with pagination system.
1)The deffault page
2)The placeholder loader page
The main objectives are:
Display the artiles.
Paginating the artiles with ngb-pagination.
Display a placeholder loader in case the res...
I did the following excercise from here to try out the openpyxl module for generating excel files:
Create a program that takes a numer N from the command line and creates an NxN multipliplication table in an Excel spreadsheet.
Row 1 and column A should be used for labels and should be in b...
I have written a little program that calculates the time by given strings.
A time string in the context of this program consists of a number and a following letter that can be s, m, h, or d.
You can enter something like this:
java TimeCalculator 443432s 34234m 34323m 32344234s 8h 23d 12h
It ...Hi all I am creating a simple mode calculator and I need somebody to review my code below. If everything is alright. For some reason this line [](const auto& lhs, const auto& rhs){ return lhs.second < rhs.second; } gives an compilation error error expected expression . can anyone help me solve my...
