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6 min readTo deploy an Erlang application, you need to follow a series of steps:Build your application: Compile the Erlang source files into binaries using the Erlang compiler. This will generate beam files that contain the compiled code. Create a release: Use tools like Rebar3 or OTP to create a release. A release bundles the necessary files and resources required to run an application, including beam files, configuration files, and any other dependencies.
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11 min readTo optimize and profile Erlang code, there are several techniques and tools available. These can help identify performance bottlenecks and latency issues, allowing you to make appropriate optimizations. Here are some ways to accomplish this:Measure Performance: Start by profiling your code to understand where the performance issues lie. You can use built-in tools like timer:tc/3 or erlang:statistics/1 to measure execution time or other relevant metrics.
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11 min readDialyzer is a static analysis tool used for type checking in the Erlang programming language. It can detect type errors and provide type specifications for functions and modules in Erlang code. Here is an overview of how to use Dialyzer:Installation: Dialyzer is included in the Erlang/OTP distribution, so ensure you have Erlang installed on your system. Type Specifications: To use Dialyzer effectively, you need to add type specifications to your code.
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10 min readErlang is a powerful programming language that is widely used for building robust and scalable web applications. When it comes to web development, Erlang provides several features and tools that make it an excellent choice for building real-time and highly concurrent systems.One of the key features of Erlang is its support for lightweight processes, also known as actors.
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8 min readDistributed systems refer to a network of computers working together as a single system, where tasks are executed across multiple machines to achieve high availability, fault tolerance, and scalability. Erlang, a functional programming language, is well-known for its built-in support for distributed computing.
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6 min readBinary data in Erlang is handled using the built-in binary data type and a set of functions provided by the Erlang standard library.Erlang represents binary data as sequences of bytes, which are stored efficiently in memory. This makes it suitable for handling tasks that involve reading, manipulating, and encoding binary data efficiently.
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6 min readFile I/O in Erlang allows you to read from and write to files in the file system. Here are the basic steps to handle file I/O in Erlang:Opening a File: To start reading from or writing to a file, you need to open it using the file:open/2 function. This function takes the filename as a string and the mode as an atom. The mode can be read, write, append, read_write, or write_append. Reading from a File: To read data from a file, you can use the file:read/2 or file:read_line/1 functions.
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7 min readIn Erlang, modules are used to group related functions together. Creating and using modules in Erlang is straightforward. Here is a step-by-step guide:Start by creating a new file with the .erl extension. This file will serve as your Erlang module. Begin the module by defining its name using the -module(ModuleName). directive, where ModuleName is the desired name of your module. This directive should be the first line in your file.
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9 min readCreating and supervising processes in Erlang/OTP involves using the built-in mechanisms provided by OTP to ensure fault tolerance and scalability in distributed systems. Here is an overview of the process creation and supervision in Erlang/OTP:Process Creation: In Erlang, processes are lightweight and isolated units of computation. They communicate by sending messages to each other.
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6 min readWorking with processes and concurrency in Erlang is a fundamental aspect of the language that enables robust and scalable applications. Erlang's lightweight process model allows for the creation of thousands or even millions of concurrent processes. Here's a brief overview of how to work with processes and concurrency in Erlang:Process Creation: In Erlang, processes are created easily using the spawn or spawn_link built-in functions.
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4 min readRecursion in Erlang is a powerful technique that allows a function to call itself repeatedly until a certain condition is met. Here's a brief overview of how to use recursion in Erlang:Define a base case: Every recursive function needs a base case, which specifies when the recursion should stop. This base case is typically an if statement or pattern match that checks for a specific condition. When this condition is met, the recursion stops and the result is returned.