list of programming languages
The dart:io library is the bridge between a Dart program and the operating system. It provides the File class for reading and writing files, the Directory class for creating and listing directories, and the FileSystemEntity base class that both inherit from. The library is available on the Dart VM and in Flutter, but not in…
Arrays come with dozens of built-in methods — the day-to-day tools that make JavaScript expressive. Some mutate the array in place; others return a new array or a value. Knowing which is which, and when to use what, is the difference between clean code and buggy code. Key point: Every array method falls into one…
Prisma is a next-generation ORM for Node.js and TypeScript that takes a different approach from the traditional ORMs. It is built around a declarative schema file, a generated type-safe client, and an integrated migration system. The schema is the single source of truth: it defines the data models, the relations, and the database connection, and…
The ‘static lifetime is the longest lifetime in Rust. It means “valid for the entire duration of the program,” and it is the lifetime of every string literal, every global constant, and every value that is stored in the binary itself. The annotation appears in three distinct contexts, and the three contexts have different meanings….
A subquery that references a column from the outer query is correlated. This single characteristic changes everything about how the subquery behaves. An uncorrelated subquery runs once and produces a result that the outer query uses. A correlated subquery runs once for every row the outer query processes, because its result depends on the specific…
TypeScript does not have higher-kinded types. This is a fact, not a limitation of your understanding. Higher-kinded types — the ability to abstract over a type constructor itself, as in F<T> where F is a parameter — are present in Haskell, Scala, and Rust (via traits and associated types), but they were never added to…
The matrix() and matrix3d() functions are the most powerful — and most complex — transform functions in CSS. They let you apply exact mathematical transformations using matrices. Overview Function Dimensions Matrix Size Values matrix() 2D 3×3 (6 values) a, b, c, d, e, f matrix3d() 3D 4×4 (16 values) a through p 1. matrix() —…
A Dart application that talks to a REST API has two options. The first is the dart:io library, which provides the HttpClient class and works on the Dart VM, the server, the command-line tools, and the mobile applications. The HttpClient is the low-level, the full-featured client: it handles the persistent connections, the cookies, the authentication,…
The Object global is a toolbox — it’s the constructor for objects, but it also holds static methods that work on any object. These methods are how you enumerate, copy, freeze, compare, and inspect objects. They’re the foundation of modern JavaScript patterns like immutability and destructuring. Key point: Most Object.* methods work on own enumerable…
Drizzle ORM is a TypeScript ORM built on a different philosophy than the traditional data frameworks. It does not try to abstract SQL away. It embraces SQL and provides a thin, type-safe layer on top of it. The schema is defined in TypeScript, the queries look like SQL, and the generated SQL is exactly what…