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Unanswered Questions

357 questions with no upvoted or accepted answers
23 votes
0 answers
668 views

Multiplying big numbers using Karatsuba's method

The Karatsuba algorithm, first published in 1962, aims to speed up the multiplication of big numbers by reducing the number of 'single-digit-multiplications' involved. Because of its complexity (...
14 votes
0 answers
584 views

BattleShip - Ships & Players

I'm making a full-blown OOP Battleship game in VBA (previous post: Battleship Grid), and I want this code to be as good as it gets - and better, if I can. I've refactored a few things, introduced a <...
11 votes
0 answers
360 views

Host-Agnostic Model-View-ViewModel Infrastructure

I've written an API that unlocks some serious MVVM capabilities with VBA's MSForms UI framework. This is the complete code-behind for an example ...
9 votes
0 answers
1k views

Tree for PowerShell

For anyone reading this old question, this module has evolved and improved a lot since then. It has been fully rewritten in C# and uploaded to the PowerShell Gallery! If you would like to try it out: <...
8 votes
0 answers
805 views

Battleship MVC Architecture

The entry point is the Macros module, which - for now - includes only a single procedure, at a very high abstraction level - I'm quite happy with this: ...
7 votes
0 answers
357 views

Web Battleship -The Unofficial Battleship UI

I've written my own UI for Mathieu Guindon's VBA Battleship (Battleship UI: GameSheet) which uses a webpage in a WebBrowser control for the View. Webform: Userform ...
7 votes
0 answers
164 views

Modeling tabular structure in MSSQL to store data like Excel sheet applying Column inheritance

I've created this database structure to store tabular information (it's a simplification of my real structure but enough to show the point). In it I have Sheets and ...
6 votes
0 answers
107 views

Chapter 8 Challenge: Add employee names to a department

The boring but exciting challenge: Using a HashMap and HashSet, create a text interface to allow a user to add employee names ...
6 votes
0 answers
133 views

An over-the-top approach to data entry

My goal: to make the already easy task of filling out an excel sheet 1% easier by putting in hours and hours of effort. On a more serious note, I'm currently developing a system to manage inventory at ...
6 votes
0 answers
1k views

Recursive conversion from ExpandoObject to Dictionary<string, object> #2

Because my original question was lacking many details, I have been advised to ask a new question. I will repeat the important parts of the original question and add examples etc to hopefully make it ...
6 votes
0 answers
453 views

Implementing recursive filters with Haskell/Repa

I recently learned Haskell, and I am trying to apply it to the code I use in order to get a feeling for the language. I really like the Repa library since I manipulate a lot of multi-dimensional data....
5 votes
0 answers
158 views

Java OOP Hangman revision #4 includes UML

This is a continuation of this question. In the game the player chooses a topic and then gets a random word (or words) from that topic to guess. I've repartitioned the code into objects several times,...
5 votes
0 answers
2k views

Android nested RecyclerView handling clicks, using OOP

Brief Background: I just started learning Android Development recently. I have some experience with programming and understand the basics of OOP but am not confident that I am using principles of OOP ...
5 votes
0 answers
1k views

Reading sensor data from serial device and publishing on MQTT

I have a weather station with a data logger which accepts commands (specified in user manual) and sends back the respective data over a serial interface. In my case, I want to read the current data ...
5 votes
0 answers
159 views

Hutton cipher implemented using recursive functions

Is there a way to rewrite these last 2 recursive functions with fewer arguments (preferably 2) while keeping them recursive? The entire code can be seen here: https://github.com/GirkovArpa/hutton-...

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