Notes & experiments
The garden.
Things learned, ideas explored, and useful details kept along the way.
All notes
109–120 of 170
- Inspecting an older CentOS network configuration
Interface inspection, network-scripts files, and the effect of restarting the network service.
Cloud & systems - Investigating Android Socket.IO polling timeouts
Separate transport timeouts, reverse-proxy upgrades, and certificate validation when diagnosing an old client.
Mobile & interfaces / Cloud & systems - Java primitives and byte-array boundaries
An older conversion helper for numbers, offsets, and array slices.
Mobile & interfaces / Tools & experiments - Keeping a JavaScript receiver with bind
Why extracting a method changes its receiver, and how bind preserves the intended object.
Tools & experiments - Keeping terminal work in tmux sessions
A small session, window, and pane reference for an older Linux terminal workflow.
Tools & experiments - Keeping WordPress changes in a child theme
An earlier child-theme setup and the need for the directory, parent template, and styles to agree.
Tools & experiments - Kotlin nullable access and the non-null assertion
A small comparison of direct access, safe calls, and the !! operator.
Mobile & interfaces / Tools & experiments - Linux service state and boot-time enablement
A short reference separating running a service now from configuring whether it starts on boot.
Cloud & systems - Loading a .env file in Node.js
A small CommonJS example showing why configuration must load before it is read.
Tools & experiments - Making a Dart singleton visible at the call site
A small comparison between explicit instance access, ordinary construction, and a factory constructor.
Mobile & interfaces / Tools & experiments - MD5 digests and keyed SHA-256 in Node.js
Two small crypto examples that perform different operations: an MD5 digest and an HMAC.
Tools & experiments - MongoDB replica sets: members, authentication, and discovery
Reworking a MongoDB 4.4 notebook around topology, reachable member names, and connection discovery.
Cloud & systems