GraphQL Federation: A Practical Overview
Understand Apollo Federation: subgraphs, the gateway, entity references, and when to choose federation over a monolithic GraphQL schema.
·3 min read · #graphql#federation#apollo
Blog
1745 posts · page 22 of 37
GraphQL N+1 and DataLoader
Why GraphQL resolvers cause N+1 query storms and how DataLoader batches and caches them away. Clear examples, real code, and the pitfalls.
·5 min read · #graphql#dataloader#performance
GraphQL Pagination: Relay-Style Connections
Understand cursor-based pagination using the Relay connection spec, why it scales better than offsets, and how to implement it cleanly in your schema.
·4 min read · #graphql#pagination#relay
GraphQL Rate Limiting Strategies
Why GraphQL rate limiting is harder than REST and what to do about it. Covers query complexity analysis, depth limits, cost-based budgets, and per-field throttling.
·4 min read · #graphql#rate-limiting#api
GraphQL Resolver Patterns Explained
Compare resolver patterns in GraphQL: thin resolvers, service layers, DataLoader batching, and error handling that scales.
·4 min read · #graphql#resolvers#dataloader
GraphQL Subscriptions Tutorial
Add real-time data to your GraphQL API with subscriptions. Learn the transport, pubsub patterns, and a working Apollo example.
·4 min read · #graphql#subscriptions#websockets
GraphQL Subscriptions with Redis
How to build GraphQL subscriptions that survive multiple server instances by using Redis as the pub/sub backbone. Covers setup, scaling, and the failure modes nobody warns you about.
·4 min read · #graphql#subscriptions#redis
GraphQL Tooling: A Codegen Overview
An overview of GraphQL code generation: what it does, how schemas and operations turn into typed clients, and how to wire it into a modern frontend workflow.
·4 min read · #graphql#codegen#typescript
GraphQL vs REST Tradeoffs
An honest comparison of GraphQL and REST: where each one shines, where each one hurts, and how to choose without religion.
·5 min read · #graphql#rest#api
GraphQL with Prisma Tutorial
A practical guide to wiring GraphQL on top of Prisma. Schema design, resolvers, the N+1 problem, batching, and the patterns that keep your API fast as it grows.
·4 min read · #graphql#prisma#node
CSS Animations and Keyframes Explained
How CSS keyframe animations actually work: timing functions, fill modes, composition, and the patterns that keep them smooth and predictable.
·5 min read · #css#animations#keyframes
CSS Cascade Layers and Specificity: A Calmer Mental Model
Stop fighting !important. Learn how the CSS cascade, specificity, and the new @layer rule combine to give you predictable, maintainable styles.
·5 min read · #css#cascade#specificity
CSS Clamp and Fluid Typography
Use the CSS clamp function to build fluid typography and spacing that scales smoothly between breakpoints without media queries or jarring jumps.
·4 min read · #css#clamp#typography
CSS Container Queries Explained with Real Examples
Container queries let components style themselves based on their parent's size, not the viewport. Learn the syntax, the units, and when to use them.
·4 min read · #css#container-queries#responsive
CSS Flexbox Deep Dive
A focused deep dive into CSS Flexbox: axes, sizing, alignment, growth, shrink, basis, and the small set of rules that explain most layouts.
·5 min read · #css#flexbox#layout
CSS Grid vs Flexbox: When to Use Each (with Examples)
Stop flipping a coin between Grid and Flexbox. Learn the mental model that picks the right layout tool every time, with practical CSS examples.
·5 min read · #css#grid#flexbox
CSS :has() Pseudo-Class Tutorial
Learn how the CSS :has() pseudo-class enables true parent selectors, conditional styling, and sibling-aware rules. Includes a mental model, examples, pitfalls, and best practices for production use.
·4 min read · #css#selectors#has
CSS Logical Properties Explained
Replace top, right, bottom, and left with logical block and inline properties that adapt to writing direction automatically.
·4 min read · #css#logical properties#rtl
CSS Modern Color Functions
A practical tour of modern CSS color: oklch, color-mix, relative color syntax, and wide-gamut color spaces. Learn how to pick palettes that stay perceptually even and accessible across themes.
·4 min read · #css#color#design
CSS Nesting: Native Browser Support
Native CSS nesting is here. Learn the syntax, the ampersand rules, how it compares to Sass, common gotchas with pseudo-classes and media queries, and how to adopt it without breaking older browsers.
·4 min read · #css#nesting#frontend
CSS Positioning: Static, Relative, Absolute, Fixed, Sticky
A clear guide to the five CSS position values, how they interact with their containers, and when each one is the right choice.
·5 min read · #css#positioning#layout
CSS Pseudo-Classes and Pseudo-Elements
Learn the difference between pseudo-classes and pseudo-elements with practical examples like hover, focus-visible, before, and placeholder.
·4 min read · #css#pseudo-class#pseudo-element
CSS Subgrid Tutorial
Use CSS subgrid to align nested elements with their parent grid, perfect for card layouts, forms, and complex content where rows and columns must line up across components.
·4 min read · #css#subgrid#grid
CSS z-index and Stacking Contexts
Understand z-index by understanding stacking contexts: what creates them, how they nest, and why your z-index 9999 sometimes does nothing.
·5 min read · #css#z-index#stacking-context
HTML, ARIA, and Screen Reader Tips
Practical guidance on using semantic HTML and ARIA correctly so screen reader users get a good experience without you over-engineering markup.
·5 min read · #html#aria#accessibility
HTML Forms and Validation Deep Dive
Build accessible HTML forms with the right input types, constraint validation API, and patterns for showing helpful error messages.
·4 min read · #html#forms#validation
HTML Semantic Elements and Accessibility in Practice
Choose the right HTML element for the job and your site becomes more accessible, more SEO-friendly, and easier to style. Practical patterns and pitfalls.
·5 min read · #html#accessibility#semantics
Java Concurrency with CompletableFuture
How CompletableFuture composes asynchronous work in Java: chaining, combining, error handling, executors, and the patterns that keep concurrent code readable.
·4 min read · #java#concurrency#completablefuture
Java Exception Handling Best Practices
Clear rules for using checked and unchecked exceptions in Java, with patterns for wrapping, logging, and propagating errors in real production code.
·4 min read · #java#exceptions#error-handling
Java Generics: Wildcards and Bounds
Understand Java generics deeply: type parameters, upper and lower bounds, the PECS rule, and why type erasure shapes the rules you have to follow.
·4 min read · #java#generics#wildcards
Java Lambda Expressions Tutorial
Learn how Java lambda expressions work, when to use them, and how they interact with functional interfaces and the Streams API.
·3 min read · #java#lambda#functional
JUnit 5 Tutorial: Writing Clean, Modern Java Tests
A complete introduction to JUnit 5. Learn the new architecture, lifecycle, parameterized tests, assertions, and patterns that keep your test suite fast and readable.
·4 min read · #java#junit#testing
Java JPA vs Hibernate Comparison
Understand the difference between JPA the specification and Hibernate the implementation, and when each abstraction matters in practice.
·3 min read · #java#jpa#hibernate
Java JDBC Tutorial
Connect to relational databases from Java using JDBC: drivers, PreparedStatement, transactions, connection pooling, and resource management.
·3 min read · #java#jdbc#sql
Maven vs Gradle: Choosing a Build Tool for Java Projects
An honest comparison of Maven and Gradle. Understand their philosophies, performance, ecosystem, and how to choose the right build tool for your Java project.
·4 min read · #java#maven#gradle
Mockito Tutorial: Mocking Dependencies in Java Tests
Learn how to use Mockito to write fast, focused unit tests. Understand mocks, stubs, spies, argument captors, and how to avoid over-mocking.
·4 min read · #java#mockito#testing
Java Multithreading and Synchronization: A Practical Guide
Understand threads, the Java memory model, synchronization, locks, and concurrent collections. A practical guide to writing correct multithreaded Java code.
·4 min read · #java#concurrency#multithreading
Java Optional Best Practices
Use Java's Optional type correctly: when to return it, when to avoid it, and how to chain operations safely without ever calling get().
·3 min read · #java#optional#null-safety
Java Records vs Lombok
Records and Lombok both reduce boilerplate, but they solve overlapping problems in very different ways. Here is when to pick which, with concrete tradeoffs.
·5 min read · #java#records#lombok
Spring Data JPA Tutorial: Repositories, Queries, and Transactions
Learn Spring Data JPA from the ground up. Understand repositories, derived queries, JPQL, pagination, and transaction boundaries in real Java apps.
·4 min read · #java#spring#jpa
Spring Security Basics: Authentication, Authorization, and Filters
A practical introduction to Spring Security. Understand the filter chain, configure authentication, set up authorization rules, and avoid common mistakes.
·4 min read · #java#spring#security
Java Stream Collectors Deep Dive
Master java.util.stream.Collectors with practical examples covering grouping, partitioning, downstream collectors, and building your own custom collector.
·4 min read · #java#streams#collectors
Java Streams API Deep Dive
A practical tour of the Java Streams API: how it works, when to use it, lazy evaluation, collectors, parallel streams, and the pitfalls that trip up newcomers.
·4 min read · #java#streams#functional
Spring Boot Dependency Injection Explained
How Spring Boot wires your beans: component scanning, constructor injection, qualifiers, profiles, and the testing strategies that follow from each choice.
·4 min read · #java#spring#spring-boot
Spring MVC vs Spring WebFlux
Compare Spring's two web stacks: thread-per-request Spring MVC versus reactive non-blocking WebFlux, and how to choose between them.
·3 min read · #java#spring#webflux
Kubernetes Cluster Upgrades and Pod Eviction Explained
How Kubernetes cluster upgrades drain nodes, how pod eviction works, and how PodDisruptionBudgets and graceful shutdown keep workloads safe during upgrades.
·4 min read · #kubernetes#k8s#upgrades
Kubernetes ConfigMaps and Secrets Tutorial
A practical walkthrough of ConfigMaps and Secrets in Kubernetes, including how to inject them as environment variables, mount as files, and rotate safely.
·4 min read · #kubernetes#configmap#secrets
Introduction to Kubernetes Helm Charts
Learn what Helm charts are, how templates and values work together, and how to package your own application for repeatable, parameterized Kubernetes deployments.
·4 min read · #kubernetes#helm#charts