Go is a programming language created by Google to help solve problems with large software and hardware systems. It was designed to facilitate development of large codebases by many engineers. Some key problems it aimed to address were slowness, clumsiness and lack of productivity in other languages like C++. Go provides features like garbage collection, concurrency with goroutines and channels, and a standard library, while remaining simple and compiled. It grew from a small project at Google into an open source language adopted by many organizations.
Go is an open source programming language designed by Google to be concurrent, garbage collected, and efficient. It has a simple syntax and is used by Google and others to build large distributed systems. Key features include garbage collection, concurrency with goroutines and channels, interfaces without inheritance, and a large standard library.
This document provides an overview of the Go programming language. It discusses that Go was initially developed at Google in 2007 and is now an open source language used by many companies. The document then covers Why Go is useful, including its memory management, concurrency support, and cross-platform capabilities. It also summarizes some of Go's basic syntax like packages, functions, variables, types, and control structures. Finally, it discusses some key Go concepts like methods, interfaces, channels, and the net/http package.
The document discusses the Go programming language and why it was created. It provides several key points: - Go was created over a decade since a new major systems language emerged, and the computing landscape has changed significantly in areas like software development speed, dependency management, type systems, garbage collection, and parallelism. - Go aims to address these changes with a compiled, garbage-collected language that provides fast compilation, easy dependency analysis, lightweight static types, built-in support for concurrency and communication on multicore systems. - Some of Go's guiding principles in design were to reduce typing, clutter, and complexity while avoiding forward declarations and header files everything is declared once without type hierarchies.
This document provides an outline on learning the Go programming language. It discusses Go's history as a language developed by Google in 2007. Key features include being statically typed with garbage collection and support for concurrency. The document outlines disadvantages like Go still being a young language. It provides guidance on setting up a Go environment and learning basics like types, variables, functions, control structures, object orientation, and concurrency using goroutines and channels.
Go is a statically-typed, compiled programming language developed by Google. It aims for fast build times and single binary deployments. Go emphasizes concurrency through lightweight goroutines and channels for communication between them. While it lacks some object-oriented features like inheritance, it provides built-in support for concurrency and parallelism which makes it well-suited for backend services, network applications, and processing large amounts of data.
New language from Google, static safe compiler, with GC and as fast as C++ or Java, syntax simpler then Python - 2 hour-long tutorial and you can start code. In this talk Serhii will talk about Go, also known as Golang – an open source language developed at Google and used in production by companies such as Docker, Dropbox, Facebook and Google itself. Go is now heavily used as a general-purpose programming language that’s a pleasure to use and maintain. This introductory talk contains many live demos of basic language concepts, concurrency model, simple HTTP-based endpoint implementation and, of course, tests using build-in framework. This presentation will be interesting for backend engineers and DevOps to understand why Go had become so popular and how it might help to build robust and maintanable services. Agenda of the presentation: 1. Go is not C, not Java, not anything 2. Rob Pike argument 3. Main ideas and basics 4. Concurrency model 5. Tools 6. Issues
The document provides an introduction to the Go programming language. Some key points: - Go was designed by Google to handle large scale software development with thousands of developers and machines. It focuses on concurrency, simplicity, and reliability. - Some core features of Go include goroutines for lightweight threads, channels for communication between goroutines, and interfaces for abstraction. - Go aims to compile quickly to machine code for performance and packages into single binaries for easy deployment. - The document demonstrates building a basic web server in Go and encourages hands-on learning through its tour and examples.
- Go is a programming language created at Google. It is fast, statically typed, and has garbage collection. - The tutorial covers Go's history, why it was created, library support, and provides examples of variables, functions, flow control, methods, interfaces, and goroutines. - The document includes an outline, code examples throughout to demonstrate the concepts, and references additional resources for learning Go.
Go is a statically-typed, garbage-collected programming language that is fast, supports concurrency, and has built-in support for remote package management. It is well-suited for building network servers and applications with non-blocking I/O. The document provides examples of writing a simple "Hello World" program, building a basic HTTP server, and using goroutines for concurrency. It also outlines how to install Go, set up a development environment, and find additional learning resources.
Go is a compiled, concurrent, garbage-collected, statically typed language developed at Google in 2007 to address issues with large software systems. It was created to facilitate easy memory management, enable rapid compilation, and handle concurrency through built-in goroutines and channels. Many large companies now use Go for its improved developer productivity compared to other languages.
A talk I gave at the Golang TO Meetup. Highlighting the beautiful powers of Go with respect to concurrency, and writing concurrent programs using it. Code at: github.com/jsimnz/concurrency-talk
Goroutines and channels are Go's approach to concurrency. Goroutines are lightweight threads that are scheduled by the Go runtime instead of the OS kernel. Channels allow goroutines to communicate by passing messages. This makes sharing state easier than with traditional threads. Common concurrency problems like deadlocks can still occur, so the Go race detector tool helps find issues. Overall, Go's model embraces concurrency through goroutines and channels, but care must still be taken to avoid problems.
* What are Microservices? * Why Microservices? * Golang Introduction * Golang Testing Tool * Golang Deployment with Docker
Go is a statically typed, compiled programming language designed at Google in 2007 to improve programming productivity for multicore and networked machines. It addresses criticisms of other languages used at Google while keeping useful characteristics like C's performance, Python's readability, and support for high-performance networking and multiprocessing. Go is syntactically similar to C but adds memory safety, garbage collection, and CSP-style concurrency. There are two major implementations that target multiple platforms including WebAssembly. Go aims to guarantee that code written for one version will continue to build and run with future versions.
Introduction to go language programming , benchmark with another language programming nodejs , php , ruby & python . how install go . use what IDE . and rapid learnin golang
The program uses a for loop to iterate from 1 to 100. Inside the loop, it uses if/else conditions to check if the number is divisible by 3, 5, or both and prints the corresponding string. If none of the conditions are met, it prints the number.
Go is an open source programming language developed at Google to build simple, reliable and efficient software. It is a compiled, concurrent language that makes it easy to build scalable network and web applications. Some key features of Go include garbage collection, static typing, concurrency support with goroutines, and a large standard library. Go aims to combine the efficiency and speed of compiled languages like C with the simplicity and ease of dynamic languages.
Go is a programming language designed by Google to help solve Google's problems of developing large, complex software systems involving huge amounts of code and running on many machines. It was created to be compiled, concurrent using lightweight threads (goroutines) and communicate through channels, garbage collected, and have a simple syntax. Some key features include being statically typed, having good standard libraries, and being cross-platform while also eliminating issues like slowness and clumsiness in large codebases. It began as an internal project at Google in 2007 and became publicly available as open source in 2009.
The document provides an overview of the Go programming language including its guiding principles, syntax, concurrency model, and examples of usage. It discusses that Go was created at Google in 2007 to have better support for concurrency and scalability compared to other languages. It emphasizes simplicity, readability, and minimalism in design. Go uses goroutines and channels for concurrency where goroutines are lightweight threads and channels allow goroutines to communicate without shared memory. Examples demonstrate basic syntax, goroutines, and using channels for patterns like ping-pong.
Go is a compiled, concurrent, garbage-collected programming language developed at Google. It aims to combine the performance and low-level access of compiled languages with the ease of use of scripting languages. Some key features of Go include its simple syntax, static and strong typing, concurrency support through goroutines and channels, and automatic memory management through garbage collection. Go is used by many companies and has a large standard library, though it lacks some common features like inheritance.
Slides for a presentation given at the Go MN meetup https://www.meetup.com/golangmn/ given on 4/15/2020. The associated code is available at https://github.com/andreburgaud/meetup-golang-lua. The topic is about the interoperability between Go and Lua, or Lua and Go.
This document compares Go and Python programming languages. It notes that while they share some similarities like being able to be imperative or object-oriented, having multiple return values from functions, and package management, they also have key differences. Go is compiled, strongly typed, and has concurrency built into its runtime via goroutines and channels, while Python uses threads and has a Global Interpreter Lock. The document provides examples of using goroutines, defer, wait groups, and channels for concurrency in Go.
Go is used for many popular projects like Kubernetes, Docker, Prometheus, and Ethereum due to its advantages like being statically compiled, allowing for easy distribution and parallelism. Google migrated its dl.google.com download service from C++ to Go because the Go version was much less code, more readable, testable, and fixed HTTP issues while having equal or better performance. Go's creators aimed to design a language that is simple yet powerful for building reliable and efficient software in the modern era.
The document discusses strategies for working with legacy code, which is code inherited from previous developers or older versions that often lacks tests and good documentation. It defines legacy code and outlines challenges like poor structure, dependencies, and lack of tests. It then provides approaches for modifying legacy code like identifying what to change and test, breaking dependencies, writing tests, and refactoring code in small, tested increments. Specific tactics are presented like using seams, sprouting methods, and interfaces to break dependencies and allow testing legacy code. The importance of understanding the system and increasing test coverage before making changes is emphasized.