33 dépôts
Methods for updating values in large-scale datasets using indexing syntax.
Distinct from Immutable Array Updates: Focuses on large-scale dataset modification, distinct from immutable array updates.
Explore 33 awesome GitHub repositories matching data & databases · Array Element Modifiers. Refine with filters or upvote what's useful.
This project is a computer science educational resource and a library of common data structures and algorithms implemented in Swift. It serves as a practical reference for studying complexity and efficiency through solved algorithmic problems and conceptual guides. The collection includes implementations of linear and hierarchical data structures, such as stacks, queues, linked lists, and trees. It covers a wide range of computational patterns, including graph and pathfinding implementations, mathematical numerical methods, and data compression techniques. The project also provides implement
Uses lazy propagation to ensure continuous subsets of data are modified in logarithmic time.
Dask est un framework de calcul parallèle et un planificateur de tâches distribué conçu pour mettre à l'échelle les flux de travail de science des données Python, des machines uniques aux grands clusters. Il fonctionne comme un gestionnaire de ressources de cluster qui orchestre la logique computationnelle en représentant les tâches et leurs dépendances sous forme de graphes acycliques dirigés. Cette architecture permet au système d'automatiser la distribution des charges de travail sur le matériel disponible tout en gérant des exigences d'exécution complexes. Le projet se distingue par un moteur d'évaluation paresseuse qui diffère les opérations sur les données jusqu'à ce qu'elles soient explicitement demandées, permettant une optimisation globale du graphe et une allocation efficace des ressources. Il intègre le déversement de données conscient de la mémoire pour éviter les plantages du système lors du traitement de jeux de données dépassant la mémoire disponible, et il utilise la fusion de graphes de tâches pour combiner des séquences d'opérations en étapes d'exécution uniques, minimisant la surcharge de planification et la communication entre nœuds. La plateforme fournit une surface de capacités complète pour l'analyse de données à grande échelle, incluant le support pour l'apprentissage automatique distribué, l'intégration du calcul haute performance et le traitement de données parallèle. Elle offre des outils étendus pour la gestion du cycle de vie des clusters, le profilage des performances et la surveillance en temps réel de l'exécution des tâches. Les utilisateurs peuvent déployer ces environnements sur diverses infrastructures, incluant le matériel local, les fournisseurs cloud, les systèmes conteneurisés et les clusters de calcul haute performance.
Updates specific values within a large-scale dataset using standard indexing syntax including integers, slices, and boolean masks.
Xgo is a programming language that combines familiar constructs from languages like C/C++, Go, Python, and JavaScript with a natural language-style syntax that reads closer to plain English. It executes programs compatible with the Go language, allowing reuse of existing Go libraries and tooling, and supports mixing Go and XGo source files within a single package for gradual adoption of its simplified syntax. The language distinguishes itself through direct foreign function interface capabilities, enabling calls to C/C++ and Python libraries using specialized string literal syntax without man
Supports reading and writing array elements by index using bracket notation.
30 Seconds of Python is a curated collection of short, reusable Python code snippets designed for quick reference and immediate reuse. It provides an interactive browser that lets you explore snippets organized by tags, search across names and descriptions, and copy code to your clipboard with a single click. The collection covers a broad range of common programming tasks, including list and dictionary operations, string formatting and manipulation, date and time calculations, and color format conversion. It also includes utilities for data transformation, such as converting between case styl
Provides a function to check if a list contains no elements using the not operator.
100 Go Mistakes is a reference book and code review companion that catalogues frequent Go programming anti-patterns and provides corrected implementations for each one. It covers a wide range of common pitfalls, from range loop variable capture and interface nil handling to error wrapping and map iteration randomization, helping developers recognize and avoid these issues in their own code. The project distinguishes itself by offering a structured, example-driven approach to learning idiomatic Go. It covers core design decisions such as when to use pointer versus value receivers, how to apply
Teaches checking slice emptiness by length, a fundamental Go idiom for nil and empty slices.
PixiEditor is a multi-functional graphics suite that serves as a pixel art editor, a node-based graphics editor, and a vector graphics tool. It functions as a shader-based painting tool and 2D animation software, providing a comprehensive environment for creating raster images and frame-by-frame motion. The project is distinguished by its use of node-based workflows for building complex image transformations, visual effects, and custom digital brush designs. It utilizes a shader-based brush engine and a node graph to define personalized painting tool behaviors and procedural animations. The
Extracts specific items from lists using index-based accessors with automatic bounds clamping.
LogicStack-LeetCode is a curated repository of solved algorithm problems and data structure implementations, primarily drawn from the LeetCode platform. Its core identity is a structured collection of solutions designed to support technical interview preparation and competitive programming practice, with each solution accompanied by complexity analyses to help engineers understand performance trade-offs. The repository distinguishes itself through its breadth of coverage across fundamental algorithmic patterns and data structures. It includes implementations for array manipulation, string pro
Implements segment tree updates that propagate single-element changes to keep range queries accurate.
ArduinoJson is a C++ library for parsing and manipulating JSON data and MessagePack binary streams on microcontrollers with limited memory and processing power. It provides the core primitives necessary for embedded data serialization and parsing, enabling devices to exchange structured data over serial or network interfaces. The library is distinguished by its focus on microcontroller memory management, employing strategies such as pool-based allocation, string deduplication, and non-owning string views to minimize RAM usage. It further optimizes for constrained environments by allowing cons
Allows looping through JSON array elements by holding a reference to the array within the document.
Rockstar is an esoteric programming language whose syntax is inspired by 1980s hard rock and heavy metal lyrics, making programs read like song lyrics. It uses poetic number literals, where the length of each word in a phrase is parsed as a decimal digit to initialize numeric variables, and pronoun-based variable references, where words like "it" and "they" resolve to the most recently assigned or compared variable at runtime. The language can be compiled to WebAssembly and run inside a web page for in-browser code execution. The language distinguishes itself through a lyric-driven parsing sy
Iterates over array elements using lyrical 'for each' or 'for every' loop constructs.
collect.js is a dependency-free JavaScript library that provides a fluent, chainable interface for manipulating arrays and objects. It mirrors the Laravel Collection API, offering a consistent set of methods for data transformation across JavaScript and Laravel backend environments. The library stores collection data as plain arrays internally and supports fluent method chaining, where each method returns a new collection instance. The library distinguishes itself by closely replicating the Laravel Collection API in JavaScript, mapping each PHP method to an equivalent JavaScript implementatio
Provides a method to check whether a collection contains no items.
Materialize is a streaming SQL database that continuously ingests live data from sources such as Kafka, Redpanda, PostgreSQL, and MySQL, and incrementally maintains materialized views. It provides a PostgreSQL-compatible query engine that accepts standard SQL over the PostgreSQL wire protocol, enabling any existing SQL client or BI tool to query real-time data. The system also includes a Model Context Protocol (MCP) server that exposes live materialized view data to AI agents, providing fresh context without polling. Materialize distinguishes itself through its ability to offer configurable c
Splits a JSON array payload into individual rows, one per array element.
This is a configuration library for JVM applications that parses HOCON, JSON, and Java properties files into an immutable tree structure. It resolves ${...} placeholders by traversing the configuration tree and falling back to environment variables and system properties, and validates loaded configurations against a reference schema. The library loads configuration from classpath resources, files, URLs, system properties, and environment variables, merging them with priority-based override semantics. It provides typed value access with automatic type coercion, supports dot-path navigation,
Allows a configuration value to reference its own previous definition, enabling incremental value construction.
This is a Java library for creating and verifying JSON Web Tokens (JWTs), supporting multiple cryptographic signing algorithms including HMAC, RSA, and ECDSA. The library provides a builder pattern for constructing tokens with custom claims and algorithm selection, and offers separate verification methods that check signatures and validate standard claims such as expiration, issuer, and audience. The library abstracts cryptographic algorithms behind a common interface, allowing pluggable signing and verification without coupling token creation to a specific algorithm. Tokens are represented a
Managing JWTs as immutable objects for thread-safe creation, parsing, and verification in concurrent environments.
Just est une collection de bibliothèques utilitaires JavaScript conçues pour la manipulation de données, la programmation fonctionnelle, l'optimisation des performances, l'analyse statistique et le traitement de chaînes. Il fournit un ensemble d'outils pour le clonage profond, le filtrage et la transformation d'objets et tableaux complexes. Le projet est structuré comme une série de modules sans dépendance, permettant aux utilitaires d'être utilisés indépendamment pour minimiser la taille du bundle. Il implémente des modèles de programmation fonctionnelle incluant le currying, le piping et l'application partielle, et fournit un contrôle d'exécution via la mémoïsation, le debouncing et le throttling. La bibliothèque couvre un large éventail de capacités, incluant la manipulation profonde d'objets, la génération de données combinatoires et des opérations mathématiques telles que la vérification de nombres premiers et le clamping numérique. Elle inclut également des outils statistiques pour calculer des métriques comme la variance et l'écart-type, ainsi que des utilitaires de traitement de texte pour la conversion de casse et l'interpolation de chaînes.
Determines if a collection or string contains no enumerable values.
Apache Hive is a SQL-on-Hadoop data warehouse that enables querying and managing petabytes of data stored in distributed storage such as HDFS and cloud storage services. It provides a familiar SQL interface for batch analytics and reporting, supported by a core set of components including the HiveServer2 Thrift service for remote query execution, the Hive Metastore Service for central metadata management, the Hive ACID Transaction Engine for concurrent read-write operations, and the Hive LLAP Interactive Engine for low-latency analytical processing. The WebHCat REST API offers an HTTP interfac
Retrieves a specific element from an array column by its index and computes the array length.
Ce projet est un cursus éducatif en machine learning et une plateforme d'apprentissage délivrée via des Jupyter Notebooks interactifs. Il sert de guide complet pour maîtriser le toolkit de science des données Python, fournissant des tutoriels structurés pour le calcul numérique, la manipulation de données tabulaires et la visualisation statistique. Le cursus inclut des guides d'implémentation spécifiques pour Scikit-Learn et un cours pratique sur TensorFlow pour construire, entraîner et déployer des réseaux de neurones et des modèles de vision par ordinateur. Il couvre le processus de bout en bout de la construction de modèles prédictifs, de la formulation initiale du problème et de la catégorisation des tâches au déploiement des modèles via des interfaces web interactives. Le projet couvre une large surface de capacités incluant le calcul numérique avec des tableaux multidimensionnels, l'analyse exploratoire des données et les routines de prétraitement des données. Il fournit des flux de travail détaillés pour l'apprentissage supervisé et non supervisé, les pipelines de machine learning automatisés, l'optimisation des hyperparamètres et l'évaluation des modèles utilisant des métriques de classification et la validation croisée. Le contenu éducatif est organisé sous forme d'une série de notebooks qui entremêlent code Python et explications narratives pour documenter les flux de travail en science des données.
Teaches how to retrieve specific values and slices from multidimensional arrays using coordinate-based indexing.
This is a TC39 proposal to add declarative pattern matching syntax to the ECMAScript language. It introduces a match expression that allows developers to inspect and branch on data structures using patterns with destructuring, guards, and logical combinators. The proposal defines a custom matcher protocol via a well-known symbol, enabling objects to implement user-defined matching logic with arbitrary extraction and decomposition. The proposal supports matching against literal primitives using SameValue equality with special handling for signed zero and NaN, as well as relational comparison
Skips leading array elements during pattern matching without binding them.
Carp is a statically typed Lisp compiler that compiles Lisp-like syntax directly to C source code, enabling seamless integration with existing C libraries and low-level system programming. It manages memory deterministically at compile time using ownership tracking and linear types, eliminating garbage collection pauses and runtime overhead while ensuring type safety through an inferred static type system. The language distinguishes itself through compile-time macro expansion and metaprogramming capabilities, allowing code generation and transformation before final binary output. It enforces
Provides unsafe array element access without bounds checking for performance.
This is an open-source, crowd-sourced wiki textbook that teaches Linux system programming in C. It covers the core operating system concepts of process management through the fork-exec-wait model, dynamic memory allocation using implicit free list heap allocators, inode-based file systems, inter-process communication via pipes and shared memory, POSIX threads with synchronization primitives, signal-based asynchronous notification, virtual memory with page table translation, and runtime diagnostics using Valgrind and GDB. The textbook distinguishes itself by providing practical, implementation
Covers the sizeof/array-element-size pattern for computing array lengths.
jsonparser is a Go library for parsing, extracting, and modifying JSON data by key path without requiring predefined structs or type schemas. It uses a deterministic state machine to parse JSON directly from byte slices, enabling zero-copy traversal and lazy typed value extraction. The library provides key-path-based navigation to retrieve raw bytes and typed values from nested JSON structures, supporting extraction of strings, integers, floats, and booleans. It also enables in-place value modification and deletion at specified key paths, as well as iteration over arrays and objects using cal
Walks each element of a JSON array sequentially, invoking a callback with the element's raw value and detected type.