Hacker News Reader

augusto2112on The new hire who showed up is not the same person we interviewed

Because it rhymes :)

augusto2112on Fed up with the Mac, I spent six months with a Linux laptop

I have a XPS 13 as well, and it does ship with Ubuntu.

augusto2112on Haskell: The Bad Parts, part 2 (2020)

Exactly, meant to say that :)

augusto2112on Haskell: The Bad Parts, part 2 (2020)

A partial function is a function where all inputs have an output. For example, calling head on an empty list will throw an exception. To make this a total function you’d need to return a Maybe instead.

augusto2112on My Resignation from the Intercept

Greenwald’s story did damage Bolsonaro’s reputation, but I don’t think it had much to do with Lula’s release.

augusto2112on Professor suspended for saying 那个 nà ge

From his CV[1]:

- "Professor Patton primarily teaches in USC’s Full-Time MBA Program and its Executive MBA Programs in the U.S. and China"

- "He has served as a key advisor to the Center for Asian-Pacific Leadership, a faculty member at the US-China Institute and a leader of MBA learning programs in China and Korea."

[1]: https://www.marshall.usc.edu/sites/default/files/gpatton/pci...

augusto2112on Hacking on Clang is surprisingly easy

Hey! I'm starting my master's in the field of compilers.

Could maybe could you share your setup/workflow? For example do you use any IDEs? I'm trying to use Clion but it seems 16GB of RAM is not enough.

Any tips would be appreciated :)

augusto2112on Null References: The Billion Dollar Mistake

Sometimes you don't want to allow a value to be null at all, but with null references you can't represent that at the language level.

augusto2112on Null References: The Billion Dollar Mistake

Functional programming languages have been doing it for ages. Most "newer" statically typed languages also have it (Swift, Kotlin, Rust) by default. And old languages had it bolted on (C# 8, Java 8, C++ 17).

I think at this point basically everyone has realized null by default is a terrible idea.

augusto2112on Why Slack is no longer using a cross-platform C++ library

> Objects from DataProviders are returned as immutable models. On iOS, where the app uses a CoreData cache, this means the rest of the app no longer needs to access mutable CoreData objects directly, which reduces the need to worry about concurrency issues and avoids the crashes due to accessing data on the wrong thread that are common with CoreData.

Is this the common way of dealing with core data? I am actually doing exactly that at work right now, and was wondering if it was the right decision.

augusto2112on My favorite Rust function

Probably lack of generics?

augusto2112on iMessage: Malformed Message Bricks iPhone

Your second link is an article from 2012 that says Apple stopped saying Macs can’t get viruses...

augusto2112on How Lisp Became God's Own Programming Language

How is the math? I've heard it's not exactly easy.

augusto2112on Parallel Programming with Python

It's matrix multiplication.

Has been in Python since version 3.5

https://www.python.org/dev/peps/pep-0465/

augusto2112on Ask HN: Who is hiring? (July 2018)

Hey Russ, your company seems to have a really cool intern program. I don't see any open positions though, is it ok if I apply to a dev position as an intern, and if not, are you guys planning on opening any positions soon?

augusto2112on Why is it faster to process a sorted array than an unsorted array? (2012)

Can someone explain how interchanging the loops make it immune to mispredictions please? I don't get it

augusto2112on On the Unhappiness of Software Developers

What do you mean by lock-in business model?

augusto2112on Algorithms

I'm going through Sedgewick's class right now. Is the MIT OCW's course math heavy? It lists "Mathematics for Computer Scientists" as a prerequisite, I am somewhat familiar with the material, but not in a very deep level. Should I take that one before?