Think, Wait, Fast

Hi! I'm Thomas Wu, a software engineer with experience in advertising, short videos, e-commerce, and cloud-native. I've written code in Java, Go, Python, and Shell. Here are some of my essays on coding, reading, and thinking.

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Recent Posts

Why Using iptables to Block k8s NodePort Does Not Work

Published: 2025-09-30 at 11:31 AM

k8s NodePort has a series of complex iptables rules, and directly blocking it may not take effect
Do not modify the parameter of method annotated with @Cacheable in Java

Published: 2025-08-26 at 12:38 PM

When the @Cacheable annotation does not take effect, you need to check whether the parameter of method has been modified
Precision Issue of jq

Published: 2025-06-24 at 10:29 AM

jq may lose precision when processing integers
Building a Personal Website with Astro

Published: 2025-06-19 at 07:10 PM

How to build a personal website using Astro and customize its theme