RAG vs Fine-Tuning: Which One Should You Use?
A practical comparison of RAG and fine-tuning, with guidance on when to choose each, and when to combine them in production systems.
·4 min read · #rag#fine-tuning#llm
Blog
1745 posts · page 26 of 37
REST API Design Best Practices: A Practical Guide
Apply REST design best practices for resources, naming, status codes, pagination, and versioning to build clean, durable APIs.
·3 min read · #rest#api-design#http
REST API Error Handling Conventions
Design clear, consistent error responses for REST APIs using HTTP status codes, problem details, and error envelopes that clients can actually handle.
·4 min read · #rest#api#errors
REST API HATEOAS Explained
Understand Hypermedia as the Engine of Application State, why most REST APIs skip it, and when adding hypermedia links actually pays off.
·4 min read · #rest#hateoas#hypermedia
REST API Pagination Patterns
Compare offset, cursor, and keyset pagination for REST APIs. Pick the right pattern for your data, scale, and client experience.
·4 min read · #rest#api#pagination
REST API Throttling and Rate Limiting
Protect your API from abuse and accidental overload using token buckets, leaky buckets, and standard rate-limit headers that clients can actually respect.
·4 min read · #rest#rate-limiting#throttling
REST API Versioning Strategies
Compare URL, header, and content-type versioning for REST APIs. Learn when to bump versions and how to retire old ones without breaking clients.
·3 min read · #rest#api#versioning
Designing Bulk Operations in REST APIs
How to design REST endpoints that accept many items at once: request shape, partial success, error reporting, idempotency, and limits that keep your API healthy under load.
·4 min read · #rest#api-design#bulk
Designing Idempotency Keys for REST APIs
A practical guide to idempotency keys: what they are, how to store them, how to handle replays and conflicts, and how to make POST endpoints safe to retry without duplicates.
·4 min read · #rest#idempotency#api-design
REST Webhooks vs Polling
Choosing between webhooks and polling for event delivery in REST APIs: trade-offs in latency, reliability, security, and operations, with a working example of both.
·4 min read · #rest#webhooks#polling
Python asyncio Event Loop Guide
Understand how Python's asyncio event loop schedules coroutines, what await actually does, and how to avoid the classic mistakes that turn async code into a tangle of bugs.
·5 min read · #python#asyncio#concurrency
Python Decorators Deep Dive
A practical tour of Python decorators: how they work under the hood, when to use them, and how to write decorators that preserve metadata, accept arguments, and stack cleanly.
·5 min read · #python#decorators#metaprogramming
Python Logging Best Practices
How to set up Python logging properly: loggers vs handlers, structured logs, contextual fields, log levels that scale, and how to avoid the classic print-debug trap.
·4 min read · #python#logging#observability
Python Multiprocessing vs Threading
When to use threads, when to use processes, and why the GIL shapes both choices. A practical comparison with code, benchmarks, and patterns for real workloads.
·5 min read · #python#concurrency#multiprocessing
React Context vs Redux: When to Use Which
A practical comparison of React Context and Redux: rendering model, performance, devtools, and concrete heuristics for picking the right tool.
·5 min read · #react#redux#state-management
React Error Boundaries: A Practical Guide
How to build resilient React apps with Error Boundaries: what they catch, what they miss, and how to design fallback UI that actually helps users.
·5 min read · #react#error-handling#error-boundary
React Forms: Controlled vs Uncontrolled Inputs Explained
Understand the difference between controlled and uncontrolled inputs in React, when to use each, and how to combine them with refs and form libraries.
·4 min read · #react#forms#hooks
The React key Prop: A Deep Dive Into Identity and Reconciliation
Understand what the React key prop actually does, how it drives reconciliation, and why a bad key choice causes mysterious state and animation bugs.
·4 min read · #react#keys#reconciliation
React.memo, useMemo, and useCallback Demystified
When memoization actually helps in React: the difference between React.memo, useMemo, and useCallback, and how to avoid memoizing for no reason.
·5 min read · #react#performance#memoization
React Modal and Overlay Patterns
Build accessible, composable modals and overlays in React using portals, focus traps, and headless primitives — with pitfalls around scroll lock, stacking, and a11y.
·4 min read · #react#modal#accessibility
React Portals and Modals: A Practical Tutorial
Learn how React portals work, when to use them, and how to build accessible modals that escape parent overflow and z-index traps.
·4 min read · #react#portals#modals
React Render Props vs Hooks
Compare render props and hooks as two ways to share reusable logic in React, with examples, mental models, and guidance on which pattern fits modern codebases.
·4 min read · #react#hooks#render props
React Server Components Explained
A practical guide to React Server Components: how they differ from client components, the rendering model, streaming, and when to reach for each.
·5 min read · #react#rsc#nextjs
React Server Components vs Client Components
Understand the boundary between Server and Client Components in React, when to use each, and how data, state, and bundles flow between them.
·4 min read · #react#rsc#nextjs
React State Machines with XState
Learn how XState brings finite state machines to React, eliminating impossible UI states with explicit transitions, guards, and a predictable mental model for complex flows.
·4 min read · #react#xstate#state machines
React State Colocation Patterns: Where State Should Actually Live
A practical guide to deciding where state belongs in a React app, with patterns for lifting, colocating, and splitting state for performance and clarity.
·4 min read · #react#state#architecture
React Suspense and Data Fetching
How React Suspense works for data fetching: boundaries, the use() hook, streaming, and how to design loading states that do not feel janky.
·5 min read · #react#suspense#data-fetching
React SuspenseList Tutorial
Coordinate multiple Suspense boundaries with SuspenseList to control reveal order and loading states, reducing layout shift and chaos during streamed data fetching.
·4 min read · #react#suspense#concurrent react
React Tailwind Component Library Patterns
Build a maintainable React component library on top of Tailwind CSS using variants, slots, and class merging — without losing the speed that made Tailwind appealing.
·4 min read · #react#tailwind#component library
React Testing Library Best Practices
Practical guidance for writing maintainable, user-focused tests with React Testing Library, including queries, async patterns, and smart mocking.
·4 min read · #react#testing#rtl
React State Management: Zustand vs Redux vs Context Compared
Compare Zustand, Redux Toolkit, and React Context for state management. Learn when each shines, their trade-offs, and how to pick the right tool.
·4 min read · #react#state#zustand
Rust Actix vs Axum Comparison
A side-by-side comparison of Actix Web and Axum, covering architecture, ergonomics, performance, ecosystem, and how to pick the right one for your project.
·4 min read · #rust#actix#axum
Rust async/await and Futures Explained
How Rust's async/await desugars into a state machine, what a Future actually is, and the runtime model that makes it efficient on real workloads.
·4 min read · #rust#async#futures
Rust Axum Web Framework Tutorial
A practical introduction to building HTTP services in Rust using the Axum web framework, with routing, extractors, state, and JSON handling.
·4 min read · #rust#axum#web
Rust Builder Pattern Explained
Learn the builder pattern in Rust, why it fits the language so well, and how to use it for ergonomic, type-safe configuration of complex structs.
·4 min read · #rust#builder#design-patterns
Rust Cargo Workspaces Tutorial
Organize multi-crate Rust projects with Cargo workspaces: shared dependencies, internal crates, build performance tips, and publishing workflows.
·4 min read · #rust#cargo#workspaces
Rust Channels and mpsc Tutorial
A practical tour of Rust's std::sync::mpsc channels: senders, receivers, backpressure, and patterns for safe message passing between threads.
·4 min read · #rust#concurrency#mpsc
Rust Deref and AsRef Explained
Demystify Rust's Deref, DerefMut, and AsRef traits with clear examples showing how smart pointers, coercions, and flexible APIs really work.
·5 min read · #rust#traits#deref
Rust Clippy and Fmt Tutorial
How to use Clippy and rustfmt effectively in Rust projects, including configuration, CI integration, and tips to make linting friction-free.
·4 min read · #rust#clippy#rustfmt
Rust Error Conversion With From
How Rust's From trait powers the question-mark operator and lets you compose error types cleanly across libraries, applications, and async code.
·4 min read · #rust#errors#from
Rust Error Handling with Result
How idiomatic Rust handles errors with Result and the ? operator: propagation, conversion, custom error types, and when to use anyhow or thiserror.
·5 min read · #rust#result#error-handling
Rust Lifetimes Deep Dive
Lifetimes are how Rust tracks how long references live. This deep dive covers annotations, elision rules, generic lifetimes, and the common error patterns.
·6 min read · #rust#lifetimes#references
Rust Iterators and Adapters
Master Rust's iterator trait, lazy adapters like map and filter, and consumers like collect and fold for fast, expressive data processing.
·3 min read · #rust#iterators#adapters
Rust Modules and Visibility Explained
Understand how Rust organizes code with modules, files, and the pub keyword, plus the visibility rules that keep crates clean and maintainable.
·5 min read · #rust#modules#visibility
Rust Ownership and Borrowing Explained
A practical introduction to Rust's ownership and borrowing rules: moves, references, mutability, and the mental model that makes the borrow checker stop fighting you.
·6 min read · #rust#ownership#borrowing
Rust Macros: Declarative vs Procedural
A practical comparison of declarative macro_rules! and procedural macros in Rust, including derive, function-like, and attribute macros with examples.
·4 min read · #rust#macros#metaprogramming
Rust Pattern Matching Tutorial
Use Rust's match expression, if-let, while-let, and pattern syntax to destructure data safely with exhaustive compile-time checking.
·4 min read · #rust#pattern-matching#match
Rust Serde Tutorial
A complete guide to Serde, Rust's de facto serialization framework, covering derive macros, attributes, custom types, and common JSON patterns.
·4 min read · #rust#serde#json