Window managers are X clients that control the appearance and behaviour of the frames (“windows”) where the various graphical applications are drawn. types tiling window manager stacking window manager dynamic window manager Backlinks i3wm

Haskell is a general-purpose, statically typed, purely functional programming language. It is known for its strong emphasis on functional programming principles and features like type inference and lazy evaluation. Purely Functional In Haskell, functions are treated as mathematical functions, meaning they always produce the same output for the same input and have no side effects (they do not modify external state). Statically Typed The type of variables and expressions is checked at compile time, catching many potential errors before runtime. Haskell also features strong type inference, allowing the compiler to deduce types without explicit declarations in many cases. ...

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A programming language is a formal constructed language designed to communicate instructions to a machine, particularly a computer. Programming languages are used to create computer programs, which implement algorithms. Key characteristics and concepts of programming languages include: Syntax The set of rules that defines the combinations of symbols that are considered to be correctly structured statements or expressions in the language. Semantics The meaning of the instructions and how they are executed by the computer. ...

Python is a high-level, interpreted, general-purpose programming language. It is known for its clear and readable syntax, which emphasizes code readability and reduces the cost of program maintenance. Key characteristics of Python: Interpreted Python code is executed line by line by an interpreter, without the need for a separate compilation step. This speeds up the development process, as changes can be tested immediately. High-level Python abstracts away low-level details of computer hardware, allowing developers to focus on problem-solving rather than managing memory or system resources. ...

Rust is a modern, general-purpose programming language known for its emphasis on performance, memory safety, and concurrency. It is designed to build reliable and efficient software, particularly in areas where performance is critical, such as systems programming, game engines, databases, and operating systems. Key characteristics of Rust include: Performance Rust offers speed and memory efficiency without requiring a runtime or garbage collector, making it suitable for low-level systems programming. Memory Safety Rust’s unique ownership model and borrow checker enforce memory safety at compile time, preventing common errors like null pointer dereferences and data races without the overhead of a garbage collector. ...

Data types forrust. Every value in Rust is of a certain data type, which tells Rust what kind of data is being specified so it knows how to work with that data. Keep in mind that Rust is a statically typed language, which means that it must know the types of all variables at compile time. Scalar Types A scalar type represents a single value. Rust has four primary scalar types: integers, floating-point numbers, Booleans, and characters. You may recognize these from other programming languages. Let’s jump into how they work in Rust. ...

Rust structs are similar to tuples, in that both hold multiple related values. Like tuples, the pieces of a struct can be different types. Unlike with tuples, in a struct you’ll name each piece of data so it’s clear what the values mean. Adding these names means that structs are more flexible than tuples: you don’t have to rely on the order of the data to specify or access the values of an instance. ...

Creating vector in rust. let mut v = Vec::new(); v.push(5); v.push(6); v.push(7); v.push(8); println!("{:?}", v) [5, 6, 7, 8] Reading Elements of Vectors let v = vec![1, 2, 3, 4, 5]; let third: &i32 = &v[2]; println!("The third element is {third}"); let third: Option<&i32> = v.get(2); match third { Some(third) => println!("The third element is {third}"), None => println!("There is no third element."), } println!("{:?}", v) The third element is 3 The third element is 3 [1, 2, 3, 4, 5] Option<T> is an enum that represents the presence or absence of a value. It is a fundamental type in Rust’s approach to handling nullable values and potential errors, promoting explicit handling rather than implicit null pointers found in other languages. ...