Public repository - CC-by-SA 3.0

• Accounting: (very rudimentary) personal accounting

• Acta: a journaling database

• Anagrams: generates anagrams for a phrase; using a unix words dictionary (see the about box for source)

• AppendOnly: project for append-only files with variable-length records; I intend to use it in a CQRS project later on. See article at http://mdpopescu.blogspot.com/2013/09/append-only-files.html

• AppUpdater: component for updating an application

• Backtracking: a generic solver using the Backtracking algorithm

• BigDataProcessing: utility that processes GB-sized data sources efficiently, using Rx.NET

• BinarySearchTimings: comparing different search algorithms; see article at http://mdpopescu.blogspot.com/2013/05/optimization-implementing-binary-search.html

• BruteForcePuzzle: solve puzzles of the form RAI + IAR + IA = 824 (the result must be a number); uses the evaluator from my book

• CachingAlgorithms: comparing several caching algorithms (least recently used, most recently used and so on)

• CommandLineRouter: a library for adding handlers to various command-line options, similar to the routing in a web application

• CompareExcelFiles: compares two Excel files with the same structure, based on the indicated columns; shows for each file what records are present in that one but not the other

• CompareExcelFiles2: the same project as above but started from scratch using TDD; article at http://mdpopescu.blogspot.com/2013/06/comparing-excel-files-take-two.html

• Conway: Conway's Game of Life, with restrictions

• CQRS, CQRS2, CQRS3: playing with ideas for implementing the CQRS pattern

• CustomCrypto: a custom encryption / decryption algorithm (NOT recommended, I am not a professional cryptographer!)

• CustomDialogs: replace the File Open / File Save dialogs in a different application with custom versions

• DecoratorGen: an utility to generate decorators around an interface (a class implementing that interface by delegating to another interface of the same type)

• DesktopClock: a simple desktop wallpaper clock - trying to learn WPF

• DINGO: DocumentatIoN GeneratOr - generate HTML documentation from C# code

• Elomen: notification service (application that can receive natural-language commands and send notification of future events)

• ETL: a code generator for processing data

• EventSystem: a way to organize an application as a series of async commands

• EverythingIsADatabase: trying to play with ideas from http://witheve.com/

• EverythingIsAStream: example of replacing simple variables with streams

• ExpressionCompiler: an expression evaluator using a multi-stage process, similar to a compiler

• ExtractLinks: utility to extract links from web pages (so that I can paste them into Calibre and download a bunch of books from SufficientVelocity or SpaceBattles at once)

• Failover: fail-over algorithm; see article at http://mdpopescu.blogspot.com/2013/06/fail-over-algorithm.html

• FindDuplicates: finds the identical / similar images in the given folder

• Flow: a framework inspired by Cycle.js - especially https://egghead.io/courses/cycle-js-fundamentals - for treating IO as a stream of values

• FSM: quick implementation of a generic finite state machine; see article at http://mdpopescu.blogspot.com/2013/08/a-generic-implementation-of-finite.html

• Giles: social assistant for managing posts to blogs / Twitter / Facebook

• GilesBot: virtual assistant / Skype bot

• Hot Folder Windows Service: Windows service to monitor a specific folder and (for now) log the create / delete / change / rename events

• httpd: Simple web server (only static files)

• Inventory: (INCOMPLETE) inventory management system - mainly to use SignalR and Knockout.js

• Inventory2: another attempt, this time to test some ideas about event sourcing

• ISBN: Program for converting a product code (12 digits) to an ISBN number (10 digits)

• Logfind: Implements http://projectsthehardway.com/2015/06/16/project-1-logfind-2/

• MaxRecursion: answer to a problem posed by Karl Seguin on Twitter https://twitter.com/karlseguin/status/521592595282006016 - Write code that prints out the maximum depth of recursion allowed.

• NetMqBenchmark: see how many messages can be sent / received per second, using two processes on the same computer

• NoIfsChallenges: programming without IFs, trying to do the exercises from http://programmingwithoutifs.blogspot.ro/2009/07/five-challenges-can-you-pass-acid-test.html

• PageFaults: project from https://www.freelancer.com/projects/C-Sharp-Programming/FIFO-OPTIMAL-LRU.html (I included the detailed spec in the project); apparently someone else is taking the same exam - https://www.freelancer.com/projects/C-Sharp-Programming/lab-rep-project-repost.4718106.html

• PHO: a program to download the https://parahumans.wordpress.com/ book

• Pomodoro: an alarm clock with a 10 / 20 / 30 minute interval, after which it sounds an alarm

• Propagators: code based on ideas from https://www.youtube.com/watch?v=O3tVctB_VSU and http://mcdonnell.mit.edu/sussman_slides.pdf

• QRMaker: the same guy with the Yelp project had another one, a bulk QR generator; unfortunately I didn't get this job either - https://www.odesk.com/jobs/URGENT-Really-fast-Bulk-maker-zip_~01368c1f8e16aa230d

• RecursiveCompare: recursive comparison of two objects' properties (if some of those properties are objects, compare those using the same algorithm); incomplete

• RollDice: generates a random number within some rules

• RxProblem: how to implement the pipeline pattern using Rx, allowing an entire stream to be processed even if some of the filters in the pipeline throw exceptions

• SafeRedir: time-limited URL redirection; the shortened link will redirect to the real one for only a limited time (default 5 minutes) and then redirect to a "safe" link afterwards; deployed at http://red.renfieldsoftware.com/

• SaveWebsiteCopy: solution for https://www.upwork.com/jobs/~01dea9d9c9418bb4f5 - the description of the project is inside, in the notes.txt file

• ScreenCap: demonstrates how to capture all screens

• Secure: Command-line Encryption / Decryption Utility (using AES) -- run without argument for usage

• SecurePasswordStorage: how to store retrievable passwords in a relatively safe manner -- based on https://security.stackexchange.com/a/22761

• Sierpinski: generate a Sierpinski triangle (a fractal)

• SimpleViewEngine: a view engine with only two directives, {{if}} / {{else}} / {{endif}} and {{foreach}} / {{endfor}}. Evaluates expressions with {{name}} and the current item itself in a foreach is {{}}.

• SlotMachine: a slot machine

• Snake: a snake game written in an event-driven fashion

• SocialClone: a FB-like site

• SocialNetwork: what the name says; written for a job interview.

• SocialNetwork-Python: same thing in Python.

• Spiral: generate a spiral with numbers from 1 to n^2, starting in the middle and going outwards

• SqlBenchmark: a benchmark written after reading https://ayende.com/blog/174273/how-to-waste-cpu-and-kill-your-disk-by-scaling-100-million-inefficiently (the idea that GUIDs as primary keys are horribly inefficient). On my computer, I INSERT 200K records/sec with INT Ids and 100K records/sec with GUIDs.

• Statix (formerly StaticBlog): a blogging tool that generates static files based on a template (and regenerates them when the template is changed)

• Sudoku: a Sudoku solver based on Peter Norvig's article at http://norvig.com/sudoku.html

• SyncMaster: application for keeping folders synchronized, with some servers designated as "pull-only" or "push-only"

• TaskSpikes: I need a long-running, cancelable task that might need to interact with the UI

• Turtles: implementation of the "turtle graphics" idea used in Logo -- see for example https://docs.python.org/3/library/turtle.html

• TechnicalDrawing: a program to transform a text stream with 3D start/end coordinates for lines into a technical drawing (3 parts with the XY, XZ and YZ plans and one part with an arbitrary projection)

• TextGeneration: (for now) using Markov chains to generate plausibly-looking texts.

• TicTacToeAI: trying a combination Neural Network / Genetic Algorithm to play TicTacToe

• TransformyClone: library based on the idea from http://www.transformy.io/

• TweetNicer: a WinForms replacement for TweetDeck with some additional features (work in progress)

• VideoSpinner: (INCOMPLETE) Solution for https://www.odesk.com/applications/247465623 which I did not get (I will admit that it took me far too long). However, the project was quite interesting so I wanted to finish it. I do NOT like the resulting design of the code - I was too busy trying to make it work to ensure a proper design, unfortunately. Like they say - make it work, make it good, make it fast; this is only at the "make it work" stage.

• VinReader: code to read a VIN barcode; written for https://www.guru.com/jobs/.NET-VIN-Barcode-Application/978230

• Virtual Machine Interpreter: implements the VM described at http://courses.cms.caltech.edu/cs11/material/c/mike/lab8/lab8.html

• VM: implements a custom virtual machine - I was bored :)

• WClone: clone a website into a local folder, rewriting URLs as needed.

• WebStore: Another implementation of an inventory management system, using an event store

• WinFormsClock: drawing a clock using WinForms graphics

• WinRng: WinForms random number generator

• WordCount: display the ten most frequent words in a document

• YelpSearch: search Yelp for businesses (eg hotels) near a given zip; solution for https://www.odesk.com/jobs/~~d5624935369d26d1 (I didn't get the job so the code is mine)

• Zaruri: dice game