Monads should and can be tranformed into different other monads. This article guides you through this process.

#haskell

​​xkcd styled chart #js lib: https://github.com/timqian/chart.xkcd

- Stricter Generators
- More Accurate Array Spread
- Improved UX Around Promises
- Better Unicode Support for Identifiers
- import.meta Support in SystemJS
- get and set Accessors Are Allowed in Ambient Contexts
- Ambient Classes and Functions Can Merge
- APIs to Support --build and --incremental

#js

​​Nice talk about turning unit tests into property-based tests. That's something every developer should think about: properties of your code, not specific implementation.

#haskell

​​nushell: everything inside your shell is data! Written in #rust: http://www.jonathanturner.org/2019/08/introducing-nushell.html

​​WTF is a personal information dashboard for your terminal, developed for those who spend most of their day in the command line: https://wtfutil.com/

#cli

Bloat is an endemic problem in software, but there are a few things that make it a particular challenge for #rust:

Cargo makes it so easy to just reach for a crate.
Generics, particularly monomorphization.
Poor support for dynamic libraries.

standard.js maintainer decided to include ads in the terminal output.

All internet is now going on him. But, his point was missed. He spent more than 3000 unpaid hours to create and maintain popular projects that thousands of people use everyday.

So, maybe that's not so wrong?

Legendary github issue from 2013. When one user suggested that it is better to use Category Theory for bulding #js Promises. His request was declined due to "API simplicity", because monads:

> Totally ignore reality in favor of typed-language fantasy land

We all know that in 2019 Promises in #js are monadic and API was changed. Simple is really hard.

​​#poll

Do you remember tar flags?

py-spy: sampling #python profiler written in #rust.

Generates flame graphs and visualizes execution: https://github.com/benfred/py-spy

Demo: https://raw.githubusercontent.com/benfred/py-spy/master/images/console_viewer.gif

​​Nominal types are coming to TypeScript!

Discussion: https://github.com/microsoft/TypeScript/issues/202
Pull Request: https://github.com/microsoft/TypeScript/pull/33038

​​Sampler is a tool for #shell commands execution, visualization and alerting. Configured with a simple YAML file: https://github.com/sqshq/sampler

Golden article about function color and async/await syntax problems.

​​mdr is a program and markup designed to facilitate documentation and testing.

Written in #haskell, suitable for all languages: https://github.com/fennecdjay/mdr

First impressions on #github sponsors from dry-rb creator.

> It can become a job and for many Open Source contributors it does become their second job. The problem? Nobody really has the time to do this job and to make things worse barely any Open Source contributor is being paid to do it. As a result many contributors flip the table and quit. This is the reason why I am very happy to see GitHub Sponsors!

​​Pony is an object-oriented, actor-model, type-safe, memory-safe, exception safe, data-race free, deadlock free, capabilities-secure programming language. https://tutorial.ponylang.io/

#pony

​​A battle-tested PostgreSQL client with strict types, detailed logging and assertions: https://github.com/gajus/slonik

#js

#tarantool is forked by the main contributor, the project future is now unclear: https://groups.google.com/forum/#!topic/tarantool/XjnDemkP3RY

#lua

​​Pulumi 1.0 is released!

Pulumi is a modern infrastructure as code tool that lets you declare infrastructure using real languages, with a SaaS management console for configuring identities, organizations, and related policies.

https://www.pulumi.com/blog/pulumi-1-0/

#ops #iac

​​A command-line benchmarking tool written in #rust: https://github.com/sharkdp/hyperfine