22 Repos
Functions for retrieving elements from array columns by index and computing array lengths.
Distinct from Array Element Modifiers: Distinct from Array Element Modifiers: focuses on read-only access and length computation, not modification of array elements.
Explore 22 awesome GitHub repositories matching data & databases · Array Element Accessors. Refine with filters or upvote what's useful.
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.
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.
Just is a collection of JavaScript utility libraries designed for data manipulation, functional programming, performance optimization, statistical analysis, and string processing. It provides a set of tools for deep cloning, filtering, and transforming complex objects and arrays. The project is structured as a series of zero-dependency modules, allowing utilities to be used independently to minimize bundle size. It implements functional programming patterns including currying, piping, and partial application, and provides execution control through memoization, debouncing, and throttling. The
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.
Dieses Projekt ist ein Lehrplan für Machine Learning und eine Lernplattform, die über interaktive Jupyter Notebooks bereitgestellt wird. Es dient als umfassender Leitfaden zur Beherrschung des Python-Data-Science-Toolkits und bietet strukturierte Tutorials für numerisches Rechnen, Manipulation tabellarischer Daten und statistische Visualisierung. Der Lehrplan enthält spezifische Implementierungsleitfäden für Scikit-Learn und einen praktischen Kurs zu TensorFlow für den Aufbau, das Training und das Deployment neuronaler Netze und Computer-Vision-Modelle. Er deckt den End-to-End-Prozess des Aufbaus prädiktiver Modelle ab, von der anfänglichen Problemformulierung und Aufgabenkategorisierung bis hin zum Deployment der Modelle über interaktive Weboberflächen. Das Projekt deckt ein breites Funktionsspektrum ab, einschließlich numerischem Rechnen mit mehrdimensionalen Arrays, explorativer Datenanalyse und Datenvorverarbeitungsroutinen. Es bietet detaillierte Workflows für überwachtes und unüberwachtes Lernen, automatisierte Machine-Learning-Pipelines, Hyperparameter-Optimierung und Modellbewertung mittels Klassifizierungsmetriken und Kreuzvalidierung. Der Bildungsinhalt ist als eine Reihe von Notebooks strukturiert, die Python-Code mit narrativen Erklärungen verknüpfen, um Data-Science-Workflows zu dokumentieren.
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 a function to determine whether a static array contains no elements.
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.
Radash is a TypeScript functional utility library designed for data transformation, validation, and workflow management. It provides a collection of typed helper functions to manipulate arrays, objects, and strings. The project features an asynchronous workflow toolkit for managing promises, retries, and concurrency limits, alongside a suite of boolean validators for verifying primitive types, objects, and promises. It also implements functional programming patterns such as function composition, partial application, and error-first response patterns. The library covers a broad surface of cap
Retrieves the final element of an array or returns a specified default value if empty.
Amber ist ein Transpiler, der High-Level-Quellcode in ausführbare Shell-Skripte für Bash, Zsh und Ksh übersetzt. Er bietet eine typsichere Umgebung für die Shell-Skript-Generierung, was eine statische Typvalidierung und die Erstellung eigenständiger ausführbarer Skripte ermöglicht. Das Projekt zeichnet sich durch einen Kompilierungsprozess aus, der Tree-Shaking-Import-Optimierung zur Reduzierung der Ausgabegröße und templatebasiertes Skript-Wrapping für benutzerdefinierte Header und Footer umfasst. Es nutzt ein modulbasiertes Abhängigkeitsauflösungssystem mit Sichtbarkeitskontrollen, um die Wiederverwendung von Code über mehrere Dateien hinweg zu verwalten. Die Sprachoberfläche deckt eine breite Palette an Automatisierungsmöglichkeiten ab, einschließlich umfassender Dateisystemverwaltung, Prozesssteuerung und Netzwerkkommunikation via HTTP. Es bietet integrierte Hilfsprogramme für Textverarbeitung, Datenmanipulation, Datums- und Zeitmanagement sowie System-Introspektion. Das Toolset enthält einen integrierten Test-Runner zur Logikverifizierung und ein Dienstprogramm zur automatischen Generierung von Markdown-Projektdokumentation aus Quellcode-Kommentaren.
Deno Shell support for storing, retrieving, and slicing values with out-of-bounds protection.
Dieses Projekt ist eine umfassende Bildungsressource, bestehend aus einem Bash-Programmier-Tutorial, einer Skripting-Referenz und einem Linux-Kommandozeilen-Handbuch. Es bietet Lehrmaterialien für das Schreiben von Skripten, die Automatisierung von Systemaufgaben sowie die Beherrschung der Terminal-Navigation und Unix-Systemadministration. Die Anleitungen decken eine breite Palette an Anpassungen der Shell-Umgebung ab, einschließlich Prompt-Styling und der Verwendung von Aliasen. Zudem gibt es einen Leitfaden für die Shell-Umgebung zur Verwaltung von Konfigurationsdateien und zur Initialisierung von Benutzerumgebungen. Die Materialien beschreiben eine Vielzahl von Funktionen, darunter Kontrollflusslogik, Datenverwaltung mit indizierten und assoziativen Arrays sowie Textverarbeitung. Weitere abgedeckte Bereiche umfassen Datei- und Ressourcenmanagement, Pattern-Matching mit regulären Ausdrücken sowie Observability-Tools für das Debugging von Skripten und die Syntaxvalidierung. Die Ressource erklärt zudem interaktive Terminal-Funktionen wie den Abruf der Befehlshistorie, die Eingabevervollständigung und Tastenkombinationen für die Navigation in der Kommandozeile.
Explains how to access specific array members by index and extract ranges for iteration.
ndarray ist eine Bibliothek für mehrdimensionale Arrays für Rust, die als Framework für lineare Algebra und wissenschaftliches Rechnen dient. Sie bietet die Kerninfrastruktur für die Erstellung und Manipulation von n-dimensionalen Arrays und fungiert sowohl als paralleler Array-Prozessor als auch als Toolkit für numerische Datenanalysen. Die Bibliothek zeichnet sich durch effizientes Slicing und Memory-Views aus, was den Datenaustausch ohne Kopieren ermöglicht. Sie nutzt optimierte Backend-Mathe-Bibliotheken für schnelle Matrixmultiplikationen und verteilt rechenintensive mathematische Iterationen auf mehrere CPU-Threads, um die Verarbeitung zu beschleunigen. Das Projekt deckt ein breites Spektrum mathematischer Operationen ab, darunter elementweise Arithmetik, achsenbasierte Datenaggregation und Skalarproduktberechnungen. Zudem sind umfassende Hilfsprogramme für die Array-Manipulation enthalten, wie Reshaping, Flattening, Stacking und die Generierung von Koordinatengittern, sowie Unterstützung für die randomisierte Array-Generierung und Serialisierung.
Provides low-level, unsafe element access to bypass bounds checking for specialized performance cases.
SwiftTips is a curated collection of guides, libraries, and design patterns focused on Swift language mastery, application architecture, and API design. It provides a technical resource for implementing advanced coding techniques and architectural best practices. The project emphasizes creating type-safe and conversational interfaces through strategic protocol composition and generics. It offers specialized patterns for building modular UI systems and managing complex view hierarchies, alongside comprehensive strategies for unit testing and dependency injection. The resource covers a broad s
Provides a utility to check if an optional collection is either nil or empty in a single operation.