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Stabilizing a debounce with useMemo(() => debounce(fn, 300), []) fixes one bug and creates a worse one: the callback is…

react19debounce

@DevDhaif

Unwrap errors type-safely with errors.AsType (Go 1.26)

errors.AsType[E] (Go 1.26) is a generic, type-safe version of errors.As. It returns the matched error and a boolean ins…

go1.26errors

Sandbox filesystem access to a directory with os.Root (Go 1.24)

os.Root (Go 1.24) confines all file operations to a directory: Open, Create, Stat, and friends resolve relative to the…

go1.24filesystem

Write custom iterators with range-over-func (Go 1.23+)

Go 1.23 lets functions of type iter.Seq[V] be consumed by for range. You return a function that calls yield for each el…

go1.23iterators

Use b.Loop() for accurate benchmarks (Go 1.24)

b.Loop() (Go 1.24) is the new benchmark loop. Beyond being cleaner than for i := 0; i < b.N; i++, it keeps setup outsid…

go1.24testing

Track tool dependencies in go.mod with tool directives (Go 1.24)

Go 1.24 tracks executable dependencies with tool directives in go.mod, retiring the old tools.go blank-import hack. go…

go1.24modules

Attach request-scoped metadata with the Context facade so it flows into logs and jobs

The Context facade (Laravel 11+) stores key/value data for the current request that's automatically added to every log…

observabilitylogging

Turn N+1 queries into errors in development with preventLazyLoading()

Called in a service provider, this throws a LazyLoadingViolationException whenever a relation is accessed without being…

eloquentperformance

Lock down outbound HTTP in tests with preventStrayRequests()

Http::fake() alone lets un-matched requests fall through to the real network, which makes tests flaky and slow and can…

testinghttp-client

Auto-delete stale records with the Prunable trait instead of a custom command

Add Prunable and a prunable() query, and model:prune (scheduled) deletes matching rows in chunks — no bespoke cleanup c…

eloquentmaintenance

Use whenLoaded() in API resources to avoid firing queries during serialization

Referencing $this->posts directly in a resource lazy-loads the relation for every model when it wasn't eager-loaded — a…

eloquentapi-resources

Throw IntrinsicException for expected errors to skip Nest's auto-logger

NestJS 11 added IntrinsicException: throwing it bypasses the framework's automatic error logging while still propagatin…

nestjs11exceptions

Validate and convert date query params at the boundary with ParseDatePipe

NestJS 11 ships ParseDatePipe, which validates an incoming date string and hands your handler a real Date. Parsing date…

nestjs11pipes

Skip the HTTP layer for workers and CLI with createApplicationContext()

createApplicationContext() boots the DI container without starting an HTTP server. For cron jobs, queue consumers, and…

nestjsworkers

Keep the SWC builder (default in Nest 11) for ~20x faster builds

Nest 11 defaults to the Rust-based SWC compiler, which is dramatically faster than tsc for builds and dev restarts. SWC…

nestjs11build

Configure a strict global ValidationPipe to strip unknown fields and coerce DTOs

whitelist: true removes any property not declared with a validation decorator — your defense against mass-assignment, s…

nestjsvalidation

nextjs15server-components

Push 'use client' to leaf components and pass server data down as props

Everything in the App Router is a Server Component until you add 'use client', and that directive taints the whole subt…

Remember GET route handlers are uncached by default since Next.js 15

Next.js 15 flipped the default: GET route handlers and the client router cache are no longer cached unless you opt in.…

nextjs15caching

Invalidate exactly what changed with revalidateTag/revalidatePath after writes

After a mutation, invalidate the specific cache entries it affected rather than forcing a broad refresh or client reloa…

nextjs15caching

Use Server Actions for internal mutations instead of hand-rolled API routes

Server Actions run mutation logic on the server and can be called directly from a <form action> or a client handler — n…

nextjs15server-actions

Stream slow sections with loading.tsx and Suspense instead of blocking the route

A route-level loading.tsx wraps the page in a Suspense boundary so the shell streams immediately while data loads. Wrap…

nextjs15streaming

Cache expensive server routes at the edge with defineCachedEventHandler

Nitro's defineCachedEventHandler wraps a server route with stale-while-revalidate caching backed by your configured sto…

nuxt4nitro

Set per-route rendering strategy with routeRules instead of restructuring code

routeRules applies a rendering mode per URL pattern in config, so marketing pages prerender, content pages use ISR, and…

nuxt4rendering

Give useAsyncData an explicit key to control dedup and caching

useAsyncData dedups and caches by key. Without an explicit key Nuxt derives one from the call site, which can collide w…

nuxt4data-fetching

Share state across components with useState, never a module-level ref, on SSR

On the server a module-level ref is created once and shared by every request, so one user's cart can leak into another'…

nuxt4state

Use useFetch in setup and $fetch in handlers to avoid double-fetching

useFetch is the SSR-aware wrapper: it runs during server render, serializes the result into the payload, and hydrates o…

nuxt4data-fetching

Prefer asymmetric visibility over readonly when a class mutates its own state

public private(set) (PHP 8.4) makes a property readable from anywhere but writable only inside the class. readonly forb…

php8.4oop

Chain methods directly off constructors in PHP 8.4

PHP 8.4 allows new Foo()->method() without wrapping the instantiation in parentheses. It's a small ergonomic win that r…

php8.4syntax

Add #[\Override] in PHP 8.3 to catch broken method overrides at compile time

#[\Override] (PHP 8.3) tells the engine you intend to override a parent or interface method. If no matching method exis…

php8.3attributes

Use property hooks in PHP 8.4 to compute and validate without getter methods

PHP 8.4 lets a property define get/set hooks inline, so computed and validated values no longer need a separate method…

php8.4oop

Type your class constants in PHP 8.3 to lock the contract across subclasses

PHP 8.3 added type declarations for class, interface, and enum constants. Without a type, a subclass could override a c…

php8.3constants

Let the React Compiler memoize instead of hand-writing useMemo/useCallback

The React Compiler analyzes your components and automatically memoizes values and callbacks at build time, following th…

react19react-compiler

Drop forwardRef in React 19 and accept ref as a normal prop

React 19 lets function components receive ref as a regular prop, so forwardRef is no longer required for the common cas…

react19refs

Handle form mutations with built-in pending and error state via useActionState

useActionState wraps an async action and returns the last result, the action to bind to a <form action>, and a pending…

react19forms

Read promises and context conditionally with the use() hook

React 19's use() unwraps a promise or reads context, and unlike the Rules of Hooks it can be called conditionally or in…

react19suspense

Show instant UI with useOptimistic and auto-revert on failure

useOptimistic renders an expected next state immediately while the real async action runs, then reconciles to the true…

react19optimistic-ui

Pass inline async handlers with async closures and the AsyncFn traits (Rust 1.85)

Rust 1.85 stabilized async closures (async || { ... }) and the AsyncFn/AsyncFnMut/AsyncFnOnce traits. These let higher-…

rust1.85async

Use native async fn in traits and drop the async-trait crate

Since Rust 1.75, async fn works directly in traits (via return-position impl Trait), giving you static dispatch with ze…

rust1.75async

Flatten guard clauses with let ... else

let ... else binds a pattern or diverges — the else block must return, break, continue, or panic, so control flow leave…

rustpattern-matching

Future-proof public types with

#[non_exhaustive] on a public enum or struct forces downstream crates to include a wildcard arm when matching, and bloc…

rustapi-design

Control impl Trait lifetime capture precisely with use<> (Rust 2024)

In the Rust 2024 edition, return-position impl Trait captures every in-scope generic and lifetime by default. That's us…

rust2024impl-trait

Replace modelValue/update boilerplate with defineModel() for v-model

defineModel() returns a writable ref wired to the parent's v-model, collapsing the modelValue prop plus update:modelVal…

v-modelcomponents

Cancel stale async work in watchers with onWatcherCleanup()

Registered inside the watcher callback, onWatcherCleanup runs before the next invocation and on stop. It removes the ma…

watchersasync

Destructure props with native defaults in Vue 3.5, but pass a getter to watch

Stabilized in 3.5: destructured variables from defineProps compile to props.count on access, so they stay reactive and…

propsreactivity

Generate hydration-safe unique IDs with useId() for accessibility

useId() produces IDs that are stable and identical across server render and client hydration, so label/for and aria-des…

ssraccessibility

Use useTemplateRef() for typed template refs instead of string-matched refs

Vue 3.5 resolves template refs by key at runtime, so the type is inferred and you drop the ref(null) declaration that h…

composition-apirefs