Bloggoat

A blog by Vihan mostly about programming and occasionally other things.

Vihan

Hack.lu 2019 Write-ups

October 23, 2019 • ☕️ 1 min read

CTF

Write-ups for the SECCON 2019 capture the flag qualification round.

SECCON 2019: Qualifier Write-ups

October 19, 2019 • ☕️ 1 min read

CTF

Write-ups for the SECCON 2019 capture the flag qualification round.

Crash course in Swift's 'function builders' with SwiftUI

June 5, 2019 • ☕️ 5 min read

SwiftSwiftUI

Function builders are a new proposed feature in Swift that would allow for an expressive and descriptive way to create values. One of the new usages of this feature is in SwiftUI to effectively represent declarative UIs.

'Opaque' Types in Swift 5.1

June 5, 2019 • ☕️ 2 min read

SwiftSwiftUI

Swift 5.1 introduces a new 'type' in a sense. These are prefixed with the keyword 'some' and are sometimes thought of as generics for returns.

Importance of lightweight languages for embedded contexts

September 25, 2018 • ☕️ 1 min read

Compilers

A programming language is the art of designing an abstraction as to abstract away the complexities upon more and more layers of complexity. Over the past decade, upon the most computationally capable…

The Push Protocol and the Web

August 4, 2018 • ☕️ 4 min read

Web

Push notifications offer user retention and engagement. Integration is now possible with the web through the Push Protocols. Information is pretty scattered and most is generally regarding libraries so I'll cover in this article how to create a modern Push Notification server in a language-agnostic way using the Push API.

How to Type Deduction

June 15, 2018 • ☕️ 2 min read

Compilers

Type deduction seems daunting but the solution is simple enough: constraint negotiation, this has the side effect of performing variable resolution and all for you too.

Using LLVM for seamless interop with Clang languages

June 5, 2018 • ☕️ 4 min read

CompilersObjective-CiOSClang

Recently I’ve been working on a project, VSL which is a bare-metal, high-level, compiled language. The problem is with new languages, particularity obscure ones made in someone’s spare-time is it…

Formal Grammar and Automata Theory

July 23, 2017 • 🍪 nothing to read.

Grammars

A brief overview of the history and development of formal grammar and automata theory.

Your CS teacher is wrong about Regex

January 19, 2017 • ☕️ 3 min read

RegexGrammars

Basically everywhere you turn there's someone who is telling you not too use regex. While that does have a level of validity to it, I think it has come more towards a level of misunderstanding.

Parsing Expressions

October 18, 2016 • ☕️ 1 min read

CompilersGrammars

So you’re writing a parser? Expressions are probably one of the more difficult items you’ll come upon to parse but hopefully this article will explain how to handle them.

Resolving Git Accidents 101

August 14, 2016 • ☕️ 1 min read

Git

Accidentally commit or do something in Git that you want to undo? Well you’ve come to the right place!

Special Symbols Seem Super Sensible

July 23, 2016 • ☕️ 3 min read

JavaScriptES6

Excuse the horrible alliteration in the title. This is yet another article on JavaScript ES6’s “Symbols” which due to their unique property, can provide much more powerful behavior, in what I’d say is close to operator overloading with them.

Dealing with surrogates in JavaScript

May 31, 2016 • ☕️ 3 min read

JavaScriptES6

So there are these great, but painful to program with thing, called surrogate pairs. If you’re reading this, you’re probably having trouble with them but hopefully after you read this, those troubles will be gone.

The grammar to end all grammars!

May 29, 2016 • ☕️ 1 min read

CompilersGrammars

Have you been stuck, trying to make an expression parser but you just can't? Well just put this in your parser gen, and you’ll be good to go!

ES6's Unique Symbols

May 17, 2016 • ☕️ 2 min read

JavaScriptES6

ES6 brings a pretty nifty feature— Symbols. Symbols may seem like a small feature but they have such a wide array of uses which can really help make your JavaScript safer and easier to understand.

Synchronously async-ing

May 16, 2016 • ☕️ 1 min read

JavaScriptES6

JavaScript has always had problems with having 8-indent deep nested functions due to its lack of good async support but in ES7, that has finally come to a change! I am surprised at how unpopular this is, but it seriously deserves some more attention so I thought I’d write about it.

What is Bloggoat?

May 16, 2016 • ☕️ 1 min read

Bloggoat separates into two words— **Blog** and **Goat**, which are essentially what this is… a blog. I’ll cover mostly programming, and other technical things I think are cool...