Using Redis as Buffer in the ELK stack
Use Redis as a buffer in the ELK stack: decouple log shippers from Logstash and keep spikes from overwhelming Elasticsearch.…
Yo! Avoid finalizers.
Why you should avoid Java finalizers: unpredictable, dangerous, and unnecessary. What Effective Java item 7 means in practice.…
Understanding JIT compiler (just-in-time compiler)
How the Java JIT compiler works: bytecode to native code, C1/C2 tiers, and why the compiler matters most for JVM performance.…
Generate custom QRCode with logo image using zxing
Generate custom QR codes with a logo overlay in Java using ZXing, exposed as a small Spring REST service.…
Service registration & discovery with Spring Cloud Netflix - Eureka
Service registration and discovery with Spring Cloud Netflix Eureka: server setup, client registration, and failover basics.…
Getting started with Built-in NLP for Messenger Bots
Get started with built-in NLP for Messenger bots: enable it, customize with Wit.ai, and build a weather bot in Java.…
A simple sonar quality gates (groovy) script to Break the CI Build in Jenkins
Break Jenkins CI builds on SonarQube quality gate failures with a simple Groovy script. A fix for the broken plugin on Sonar 6.4.…
No! HTTP APIs are not necessarily Rest APIs
HTTP APIs are not necessarily REST APIs: what REST actually requires and why the distinction matters when designing services.…