Mohammad Faizal zeenfaizpy

This is not intended to be comprehensive or authoritative, just free online resources I've found valuable while learning more about Erlang.

Joe Armstrong's Swedish Institute of Computer Science homepage (Wayback Machine)

https://web.archive.org/web/20070429181654/http://www.sics.se/~joe/

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Tested only on Ubuntu 24.04, KDE Neon User Edition (based on Ubuntu 24.04) and OSX Mojave or higher.

will probably work on other newer versions, with no changes, or with few changes in non-python dependencies (apt-get packages)

NOTE: Don't create a .sh file and run it all at once. It may will not work. Copy, paste, and execute each command below manually. :-)

Ubuntu

# DO NOT RUN THIS AS A ROOT USER

React context vs Redux in 2020

The [React docs][condoc] give some example use cases for context:

Context is designed to share data that can be considered “global” for a tree of React components, such as the current authenticated user, theme, or preferred language.

The common property of these use cases is that data like the current theme doesn't change often and needs to be shared deep down the component tree, which would be cumbersome with "[prop drilling][drill]". Something else that needs to be shared everywhere is the application state when using a "single source of truth" pattern, so it would follow that the context API would help with that as well, but there's a catch: components that use context will rerender every time that the provided value changes, so sharing the whole application state through context would cause excessive render lifecycles.

	export PGPORT ?= 4488
	PG_PATH ?= $(shell if test -d /usr/lib/postgresql/9.1; then echo /usr/lib/postgresql/9.1; else echo /usr/lib/postgresql/8.4; fi)
	PG_DIR = ${PWD}/instance/var
	PG_DATA = ${PG_DIR}/data
	PG_RUN = ${PG_DIR}/run
	PG_LOG = ${PG_DIR}/log
	PG_SOCKET = ${PG_RUN}/.s.PGSQL.${PGPORT}
	PGPARAMS = -D ${PG_DATA} -o "-F -c unix_socket_directory=${PG_RUN} -c custom_variable_classes='busy' -c busy.active_user=0" -l ${PG_LOG}/pg.log