Hacker News Reader

nosefouratyouon There’s a Global Race to Control Batteries–and China Is Winning

https://qz.com/1004330/north-korea-is-sitting-on-trillions-o...

As mentioned in Tom Clancy: Full Force and Effect.

nosefouratyouon A Tiny Hedge Fund Made 8,600% on a Vix Bet

I was introduced to the book "Trading and Exchanges: Market Microstructure for Practitioners" on HN[0] and it seems like a really good book (from the bit I have skimmed so far).

[0]: https://news.ycombinator.com/item?id=3177815

nosefouratyouon Redis on Acid: 0.5M ops/sec, 1ms latency and ACID compliance

I would think that something like hyperdex/warp[1] would be better for that use case.

[1] http://hyperdex.org/ [2] https://www.cs.cornell.edu/people/egs/papers/hyperdex-sigcom... [3] http://rescrv.net/papers/warp-tech-report.pdf

nosefouratyouon Show HN: Quilt – manage data like code

What's the difference between Apache Parquet and Apache Arrow? They are both columnar formats right?

nosefouratyouon Pharo – Quuve

I wonder why they didn't use moose[1]; I guess it probably started development before it.

[1]: http://www.moosetechnology.org/

nosefouratyouon I found a bug in Intel Skylake processors

There's also UndoDB if you can pay for it. Not sure what the differences are between it and RR, but I know with UndoDB you can create a binary for the client that has the recorder built in, so it can automatically record failing states.

nosefouratyouon Typing Nix

There's also Guix in case anyone is interested. It uses Guile/Scheme for everything instead of Haskell.

nosefouratyouon How sandboxing works in Fuchsia

GoboLinux had an amazingly awesome alternative file system layout https://en.m.wikipedia.org/wiki/GoboLinux

nosefouratyouon PG-Strom: SSD-To-GPU Direct SQL Execution

Does that mean that this library[1] requires GPUDirect? That's sad.

[1]: https://github.com/pg-strom/nvme-strom

nosefouratyouon Tuning Your DBMS Automatically with Machine Learning

Reminds me of this: https://blog.acolyer.org/2017/01/17/self-driving-database-ma...

nosefouratyouon Coroutines are now in Clang trunk, libc++

I found this to be a good article about the importance of coroutines compared to continuation-passing style: http://orthecreedence.github.io/cl-async/2012/11/07/missing-...

nosefouratyouon Little Things I Like to Do with Git

Git-annex might be of interest to you.

https://git-annex.branchable.com/

I don't know how the situation has changed in regards to binaries, or if this is a good suggestion, I just remember reading about git-annex when it came out a few years ago.

nosefouratyouon James Gosling, the ‘Father of Java,’ joins Amazon Web Services

"We were not out to win over the Lisp programmers; we were after the C++ programmers. We managed to drag a lot of them about halfway to Lisp."

- Guy Steele, Java spec co-author

nosefouratyouon A Seven Dimensional Analysis of Hashing Methods [pdf]

Recently I was reading about hash tables on wikipedia and I was surprised to learn about how much the birthday problem influenced their design.

"A real world example of a hash table that uses a self-balancing binary search tree for buckets is the HashMap class in Java version 8."

https://en.wikipedia.org/wiki/Hash_table#Separate_chaining_w...