Go HTTP Service: Diagnosing Goroutine Leaks That Outlive Requests
Find and fix goroutine leaks in Go HTTP handlers that outlive requests using runtime.NumGoroutine() and pprof stack traces.
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Elm’s Http Module: Typed Requests, Result‑Based Error Handling, and a Safe JSON Fetch Example
Elm’s built‑in Http module turns side effects into Cmd messages and forces explicit Result error handling. This blog walks through a safe JSON fetch example, decoder, request, error handling, and trade‑offs.
json
elmChoosing the Right OTLP Exporter Transport for Java Services: gRPC vs HTTP/Protobuf
When instrumenting Java services with OpenTelemetry, choosing between gRPC and HTTP/1.1 OTLP exporters boils down to latency, infrastructure, and operational simplicity. This guide compares both transports, explains trade‑offs, and shows concrete Java code to validate your choice.
opentelemetry
grpcFetching JSON Data Safely in Elm with Http.get and Exhaustive Error Handling
Learn how to fetch JSON in Elm using Http.get, decode the payload, and handle both success and error cases explicitly so the compiler guarantees you never miss an error.
Choosing HTTP vs WebSocket Providers in Web3.js v4 for Ethereum DApps
Decide when to use HTTPProvider or WebsocketProvider in Web3.js v4: compare latency, resource use, and reconnection logic, then see a concrete implementation and validation steps.
web3jsEfficient HTTP Caching in Angular with RxJS shareReplay
Avoid duplicate HTTP requests in Angular by using RxJS’s shareReplay to multicast and cache responses. Learn how to set it up, understand its trade‑offs, and implement a refresh strategy.
angular
rxjsPreserve Raw HTTP Body in Express for Webhook Verification
Express’s express.json() consumes the request stream, discarding the raw bytes required for webhook HMAC verification. The verify option captures the buffer before parsing; scope it to webhook routes to avoid memory overhead.
expressUsing RxJS switchMap to Cancel Out‑of‑Order Search Requests
Learn how switchMap automatically cancels previous HTTP requests in a search‑as‑you‑type flow, ensuring the UI shows only the latest result.
IFTTT Webhooks as Integration Glue: What the HTTP Contract Actually Allows
IFTTT Webhooks let any script trigger applets via HTTP, but 255-character fields, ~60 requests/minute limits, and secret-key exposure risks define where they fit.
ifttt