I'm implementing the command design in my Java project. The command design utilizes a command interface, were the actual command classes implement that interface and execute the command.
I'm trying to figure out the best way to actually do this and how and where to actually execute the method. L...
One challenge I've encountered in a project involving Access front-end that uses an ODBC backend (typically a SQL Server instance, but the problem is applicable to any ODBC backend). Here are the conditions that we want to meet:
User and passwords must be never stored. They must be inputed by t...
The purpose of the code is to merge two ordered lists (list 1 : 5 integers, list 2 : 8 integers) into another third ordered list, whilst maintaining their order, while entries that appear in more than one list also appear multiple times in the result.
Example:
An input of List1 (Feld1): 3 6 7 9...
I'm practicing my TTD skills and trying to apply best practices in Java. I finished (passing all the test cases) the ConnectFour kata in the Agile Katas and I would like to know if there is a way to improve my code.
The Main Parts of the Code
ConnectFourGame
public class ConnectFourGame {
...
Goal
From a number x, I would like a string of the rounded value at n decimals and replace each trailing zeros by a space.
Examples
Let n = 4
f(0.1, n=4)
[1] "0.1 " # 3 whitespace
f(0.1111999, n=4)
[1] "0.1112" # 0 whitespace
f(0.12, n=4)
[1] "0.12 " # 2 whitespace
f(0.1234, n=4)
[1] "0.12...
i am posting here for feedbacks about the code that i wrote
var arr = Array(4...17)
var count = 0
for i in arr{
if Double(i).squareRoot().rounded == Double(i).squareRoot(){
count += 1
}
}
print(count)
The result from the code above is as expected. However, Is this the "correct" way o...
So this program should generate NxN boards where there are words going from left to right and words going from top to bottom. Words are valid if they appear in the scrabble dictionary. For example a valid 3x3 board would be:
ACT
TOO
EGO
as it contains ACT, TOO and EGO going across, and ATE, CO...
I have an API endpoint to modify a race car, which supports PUT method:
PUT /api/racecars/{racecarId}
Since PUT must be idempotent it works as a full replacement of an entity.
[Route("api/racecars/{racecarId}")]
public class RacecarsController : Controller
{
private readonly IRaceCarsAp...
I found those functions reviewing a C++14 codebase I am working on:
struct Service {
Service(std::string id): id(id) {}
virtual ~Service() {}
std::string id;
HeartbeatCheckpoint lastPing;
HeartbeatCheckpoint lastPong;
};
std::map<std::string, Service> services;
bool Pacema...
I am trying to write one Name Entity Recognition in Hindi.
I have primarily used NLTK of Python.
I have used HMM Module with its supervised training.
The data is annotated and saved in .pos files as
required by the training module. I have included
one snippet of the labelled data here.
I ha...
I'm working on this exercice:
There is a classroom which has M rows of benches in it. Also, N students will arrive one-by-one and take a seat.
Every student has a preferred row number(rows are numbered 1 to M and all rows have a maximum capacity K. Now, the students come one by one starting fro...
I am running jscpd tool with my code and it detect the following as duplicate code,
dbService.connectDb(commonService.DB_CONFIG.CONNECTIONSTRING, {}).then(() => {
return dbService.query(Model, {
'name':Name
}, {}, {});
...
I have a database with 5000 entries of local area codes to separate the area code from a phone number string. I'm not sure if the code i use is the fastest way to solve these job.
I shrink the number of db entries with the first three digits from phone number string. After these i put the entri...
Another day, another Chess related CodeFights problem.
Pawn Race
Pawn race is a game for two people, played on an ordinary 8 × 8 chessboard. The first player has a white pawn, the second one - a black pawn. Initially the pawns are placed somewhere on the board so that the 1st and the 8th...
I'm thinking about which manner is more efficient and in which cases.
So I can do a deep copy using the following ways:
public static T DeepCopy<T>(this T source)
{
return JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(source));
}
Or I can of course implement the ICloneable...
I am developing business application for multi users..I want to generate random numbers when click on forgot password link..kindly help
I have a few issues with the following code...
private async Task<EntityType> FillEntityDataAsync(ViewModel viewModel)
{
First, I'm thinking I need some sort of intermediate/domain model between the ViewModel and the Entity to clean this up...
var typeAObj1 = new Response<TypeA>();
va...
I have a piece of code, and I have one statement repeating in that. This is done intentionally to avoid two conditions checking at runtime. Can anyone please give there comment on that.
Code 1
if(!obj.xyz) {
o.xyz= new XYZ();
o.xyz.something = [""];
} else if (!o.xyz.something) {
o....
This is a practice for operator overloading, I am well aware that some of these don't make sense. I am seeking review only on the code/practices, not the purpose.
/* (C) 2017 ZACH HILMAN
* PROPRIETARY/CONFIDENTIAL. ALL RIGHTS RESERVED
*
*
*
*
*
*/
#ifndef COMPUTERSCIENCE_ENHANCED_STRING_H...
I wrote the following Author class in Python for a project I'm working on. I wanted to make sure that the rich comparisons and the methods I used to validate the constructor parameters were done properly.
Author class:
class Author:
def __init__(self, id, firstname, lastname):
self._valid...
This is a singleton class which can be accessed anywhere including the shouldLock variable. I want to make sure that the variable is thread safe.
Is this the proper way to make a variable thread safe? Is there an easier or better way? I got my inspiration from here.
class LockNavigation {
...
Github here: https://github.com/cmancone/mygrations
I'm working on a different kind of database migration system for helping manage web applications. I asked a question about part of the system just yesterday and now I'm looking to get the main processing loop looked at. You can read my post f...
I am working on simple Chat program and for some unknown reason the compilation process works smoothly, however when I try to run the program I get a bunch on exception errors... I have looked in every line of the code and I cant seem to find any problem. Is there something in the code below that...
please help out!
I'm having troubles wrapping my head around how to code this. Please anyone help out.
question:
A conversational computer program. A program is not going to be able to talk about a lot of topics, but you can write it so it can talk for a few minutes on a specific topic. Some id...
I am storing a password in a database (school coursework so nothing too complicated but I want to challenge myself), I am using a one way hash function, is this suitable? It works I just feel there may be nicer ways of storing the password. The database is SQL, language is C#
static class Encryp...
So my teacher wants me to create a infix to postfix algortihm in python using a given stack class and nothing more than basic operations... yet as I have tried implementing this I keep getting an error .. can someone help me out ?
Stack class `class StackArray:
"""Implements an efficient la...
