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I always get marked down for my comments and I just wanted to see if these comments are acceptable or what I should include/where I should include them. ...

There are many PHP PDO classes out there, agreed. However I find they do not allow for flexibility. So I created one that helps reduce development time as little as it may be but it does the job (...

Inspired a bit by a previous Brainfuck question and the recent fizzbuzz invasion, I decided to make FizzBuzz in Brainfuck. The code is entirely my own, except for the inclusion of the Printing a ...

This is my very first implementation of a full-fledged ADT, which could potentially be use-ready. Now, I'm still learning, therefore I would like to ask you what I can do to further improve the ...

Recently I decided VB6's Collection wasn't enough for my needs, so I decided to implement something like C#'s List<T>. ...

Even though it's the first time I'm writing something this "big", it feels like I know C# quite well (it is very similar to Java after all). It's been nice to learn LINQ also and I am very impressed ...

I've previously posted this on Stack Overflow, and am considering submitting it to Boost for wider distribution, but thought perhaps it would be best to put it up here for peer review first, and see ...

Calculating probabilities in Minesweeper might sound like an easy task, but I've seen so many probability calculators that's either incorrect, horribly slow, or with ugly code (or all of them) so I ...

I've been doing a lot of Project Euler lately and just wanted to make sure my implementation was as good as it could be. Does anyone have any suggestions to speed this up? ...

Weekend Challenge #2 - Poker Hand Evaluation Very early I decided to support the usage of wild jokers, even though I knew that this was going to lead to trouble more work. I also wanted to support ...

In the process of trying to build a serializable data structure, I found myself building large strings, which gets very slow because VBA copies a string every time concatenation is performed. To ...

It's often useful to be able to time code, for instance, to evaluate alternative approaches to the same problem. Because this is a thing I use frequently, I have created this Stopwatch templated ...

I have a small 10-liner function that writes some data to a file using an std::ofstream. I did not explicitly call .close() at ...

I have put together a small wrapper class to simplify creating parameterized ADODB queries with VB6/VBA. At this point I'm keeping things simple, so it's only supporting input parameters and from what ...

Following-up on Creating ADODB Parameters on the fly and pushing the "wrapping" of ADODB a step further, I have written two more classes that allows me to expose methods that don't require a ...

I was going through the Project Euler problem #3 and made a program to solve it. The problem is as follows: The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the ...

This is a follow-up question for A recursive_count Function For Various Type Arbitrary Nested Iterable Implementation in C++. Thanks to G. Sliepen's answer. Based on the mentioned suggestion, the ...

The following function works well to print out a help message for the program I have written. It prints a multi-line string message that describes the command line usage with some examples: ...

About a year ago when I was applying to jobs for the first time, I had an interview at a company and they posed the following problem to me, which I preceded to bomb. A year later I actually came up ...

When writing Code Review answers, it becomes often necessary to measure how long the modified code takes vs how long the OP's code takes. I needed a nice way to visualize this as a function of the ...

A while ago I implemented .net's string.Format() method in VB6; it works amazingly well, but I'm sure there has to be a way to make it more efficient. I'll start ...

This is the follow-up question for A recursive_transform Function For Various Type Nested Iterable With std::variant Implementation in C++ and A get_from_variant function in C++. Thanks to G. Sliepen ...

Magic numbers are bad... I totally agree. But there's one magic number I find hard to fix: '100' is a magic number. Consider this code: ...

Building on @RubberDuck's recommendations, I now have something I find... beautiful. I'm sure there's a couple of things left to polish - this site is about making great code out of good any code, ...

I just started learning Haskell and this is my first big project (ie not factorials, fibonacci or graphers). This is kind of a gift for somebody so the language is a bit different. The program works, ...

There are many instances of prime number sieve implementation both here and other places on the web, but I wanted something a little different. In particular, I wanted to create a static array of the ...

A recent comment to an answer of mine here on Code Review brought up an interesting point. The comment was that one should use std::vector<char> over ...

I had an uneventful afternoon, so I thought I might try and write a string formatter. This is based on the documentation I found here. ...

Inspired by this question in chat Is there an easy way in .NET to split a string into an array by pulling chunks of the text in. I.e. I have an 18 character string I would like in 3 6-character ...

This very fast, simple sieve quickly finds 31 bit primes. It uses a memory efficient BitArray for odd numbers. How a 32 bit int...

I created a singleton class for managing sound effects on Android. This class will only be instanced and loaded once at the beginning, and each activity will use the loaded songs. I don't know either ...

I’ve created a much cleaner, better designed version to my parallel sieve. I’ve implemented most of EBrown’s micro-optimizations but also revamped the code on my own (that is not in direct response ...

Description This is my code for the Weekend Challenge Reboot - Tic Tac Toe Ultimate. The game can be played here: http://www.zomis.net/ttt (along with some other variations that are also use the ...

This code review is presented in 3 questions due to the amount of code: Part A (this question) contains the Lexical Analyzer and the main portion of the unit test code. Part B contains the lower ...

The program assignment: A drunkard in a grid of streets randomly picks one of four directions and stumbles to the next intersection, then again randomly picks one of four directions, and so on. ...

This is the follow-up question for A Summation Function For Arbitrary Nested Vector Implementation in C++. The following code is the improved version based on Zeta's answer. I am trying to enhance ...

This is a follow-up question for A recursive_transform for std::vector with various return type, A recursive_transform Template Function with Execution Policy, A recursive_count_if Template Function ...

This is a follow-up question for A recursive_transform for std::vector with various return type and A recursive_transform for std::array with various return type. Based on these discussion about the ...

Many people seed their Mersenne Twister engines like this: std::mt19937 rng(std::random_device{}()); However, this only provides a single ...

Given an expression string exp, write a program to examine whether the pairs and the orders of "{","}","(",")","[","]" are correct in exp. For example,...

Whenever I need logging functionality in .net, I use a logging framework, such as NLog. Obviously there's no logging framework for vba, at least none that I know of. As much as I love using NLog, the ...

I wrote a simple Python snake game which is about 250 lines of code. Can someone give me some advice on how I can refactor/make it better? game.py ...

I made my first Brainfuck program today, which prints the numbers 0-255 and the corresponding character. I was wondering if I could improve my program, as I'm repeating myself a lot (e.g. 3 x copy &...

Very often on Stack Overflow, and even on Code Review, I've seen questions and answers that have code that begins by persisting Excel properties like DisplayAlerts ...

I have coded up an implementation of Conway's Game of Life and I have a performance bottleneck in it which I wish to be optimized. The main logic is in the Universe ...

As an update to previous code I've submitted: Improvements this time are mainly having everything moved to a class, before I plough on and add more functionality (I've come back to C++ after a few ...

I went with what I know and can use well, not what I know and can't figure the syntax out to make it look good. So please enjoy the code and prepare to school me (probably in the basics) in C# ...

A very simple Thread pool: Any work added to the pool will be executed. The destructor will wait for all work to be finished before letting the threads stop. We then join all threads before letting ...

I've just done Problem 12 of Project Euler: What is the value of the first triangle number to have over five hundred divisors? The \$N\$'th triangle number is the sum of all natural numbers ...

I was trying to refactor the following Python code (keeping the same time-complexity) which is an implementation of Z-Algorithm for pattern matching in strings. ...