Erlang Cloud
At erlang.cloud, our mission is to provide a comprehensive resource for developers and businesses interested in utilizing Erlang and Elixir in the cloud. We aim to offer a platform that promotes collaboration, innovation, and knowledge-sharing among the Erlang and Elixir communities. Our goal is to empower developers to build scalable, fault-tolerant, and distributed systems using these powerful programming languages. We strive to provide high-quality content, tools, and resources that enable our users to stay up-to-date with the latest trends and best practices in Erlang and Elixir development.
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Introduction
Erlang and Elixir are two programming languages that are designed to handle distributed systems and concurrency. They are widely used in the cloud computing industry due to their ability to handle large-scale applications. This cheat sheet is designed to provide an overview of the key concepts, topics, and categories related to Erlang and Elixir in the cloud.
Erlang
Erlang is a programming language that was developed by Ericsson in the late 1980s. It was designed to handle large-scale telecommunications systems and has since been used in a variety of other applications. Erlang is known for its ability to handle concurrency and distributed systems.
Key Concepts
Concurrency: Concurrency is the ability of a system to handle multiple tasks simultaneously. Erlang is designed to handle concurrency through the use of lightweight processes.
Distributed Systems: A distributed system is a system that is composed of multiple computers that work together to achieve a common goal. Erlang is designed to handle distributed systems through the use of message passing.
OTP: OTP stands for Open Telecom Platform. It is a set of libraries and tools that are used to build fault-tolerant and scalable systems in Erlang.
Topics
Processes: In Erlang, a process is a lightweight thread of execution that is used to handle concurrency. Processes are created and managed by the Erlang runtime system.
Message Passing: Message passing is the mechanism by which Erlang processes communicate with each other. Messages are sent between processes using the send and receive functions.
Fault Tolerance: Fault tolerance is the ability of a system to continue operating even in the presence of failures. Erlang is designed to be fault-tolerant through the use of processes and message passing.
Categories
Web Development: Erlang is used in web development to build high-performance and scalable web applications. Some popular web frameworks in Erlang include Cowboy and Nitrogen.
Telecommunications: Erlang was originally designed for use in telecommunications systems and is still widely used in this industry today.
Elixir
Elixir is a programming language that was developed by José Valim in 2011. It is built on top of the Erlang virtual machine and is designed to be more user-friendly than Erlang. Elixir is known for its ability to handle concurrency and distributed systems.
Key Concepts
Concurrency: Like Erlang, Elixir is designed to handle concurrency through the use of lightweight processes.
Distributed Systems: Elixir is designed to handle distributed systems through the use of message passing, just like Erlang.
Phoenix: Phoenix is a web framework for Elixir that is designed to be fast, scalable, and easy to use.
Topics
Processes: Elixir processes are similar to Erlang processes in that they are lightweight threads of execution that are used to handle concurrency.
Message Passing: Elixir processes communicate with each other using message passing, just like Erlang processes.
Phoenix: Phoenix is a web framework for Elixir that is designed to be fast, scalable, and easy to use. It is built on top of the Plug library, which is used to handle HTTP requests.
Categories
Web Development: Elixir is used in web development to build high-performance and scalable web applications. Phoenix is a popular web framework for Elixir.
Distributed Systems: Elixir is designed to handle distributed systems, making it a popular choice for building large-scale applications.
Conclusion
Erlang and Elixir are two programming languages that are designed to handle distributed systems and concurrency. They are widely used in the cloud computing industry due to their ability to handle large-scale applications. This cheat sheet provides an overview of the key concepts, topics, and categories related to Erlang and Elixir in the cloud. Whether you are new to these languages or an experienced developer, this cheat sheet is a valuable resource for anyone working with Erlang and Elixir in the cloud.
Common Terms, Definitions and Jargon
1. Erlang: A programming language designed for building scalable, fault-tolerant systems.2. Elixir: A dynamic, functional programming language built on top of Erlang.
3. OTP: The Open Telecom Platform, a set of libraries and tools for building distributed systems in Erlang.
4. Beam: The virtual machine that runs Erlang and Elixir code.
5. GenServer: A behavior in OTP for building stateful servers.
6. Supervisor: A behavior in OTP for building fault-tolerant systems.
7. Application: A unit of code in Erlang and Elixir that can be started, stopped, and monitored.
8. Cowboy: A web server written in Erlang.
9. Phoenix: A web framework for building scalable, real-time applications in Elixir.
10. RabbitMQ: A message broker that can be used to build distributed systems in Erlang and Elixir.
11. Mnesia: A distributed, fault-tolerant database built into Erlang.
12. Dialyzer: A static analysis tool for detecting type errors in Erlang and Elixir code.
13. Observer: A graphical tool for monitoring and debugging Erlang and Elixir systems.
14. Erlang Distribution: A built-in mechanism for distributing Erlang and Elixir code across multiple nodes.
15. OTP Design Principles: A set of guidelines for building scalable, fault-tolerant systems in Erlang and Elixir.
16. Hot Code Loading: A feature in Erlang and Elixir that allows code to be updated without stopping the system.
17. ETS: A built-in, in-memory key-value store in Erlang.
18. DETS: A disk-based version of ETS.
19. Mnesia Schema: A way of defining tables and indexes in Mnesia.
20. Erlang Term Storage: A built-in mechanism for storing Erlang terms on disk.
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