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Developer Tools

Which UID should a container user have, and how do you chown files?

Image users get unpredictable IDs unless you set them. Use an explicit numeric UID and COPY with chown so a non-root container can read what it needs.

Oct 18, 20263 min read
Developer Tools

Which pyproject.toml fields are required for a Python library?

Only name must be static in the project table, and version is required but may be dynamic. See which other fields to add before you publish a library.

Oct 18, 20264 min read
Developer Tools

Which preview should I run: plan, change set, template or diff?

A decision table for Terraform plan, CloudFormation change sets, helm template and kubectl diff: what each shows, what it skips, and when to use it.

Oct 18, 20264 min read
Developer Tools

Which PHP version should I run? Support dates for 8.1 to 8.5

PHP 8.1 is end of life and 8.2 security support ends 31 December 2026. Use this table of support dates to pick a supported PHP version and plan the move.

Oct 18, 20263 min read
Developer Tools

Which permission mode should an AI coding agent run in?

Use manual mode for sensitive work, accept-edits for code you review, a locked-down mode for CI, and skip-all-checks inside isolated containers or VMs.

Oct 18, 20264 min read
Developer Tools

Which nuget.config file wins, and what does the clear element do?

NuGet merges settings from machine, user and every folder up the tree, and the closest file wins. The clear element resets a list. Learn why that matters.

Oct 18, 20264 min read
Developer Tools

Which Node.js version should I run in production in October 2026?

Pick an LTS line with the longest runway you can test against: line 24 today, line 26 once it reaches Active LTS on 28 October. Here is how to decide.

Oct 18, 20263 min read
Developer Tools

Which NEXT_PUBLIC variables are safe to use in a headless store?

Variables with the NEXT_PUBLIC prefix are copied into the browser bundle at build time. Which store settings belong there and which must never.

Oct 18, 20263 min read
Developer Tools

Which languages does CodeQL support, and what about the rest?

CodeQL covers a defined list of languages and does not scan PHP or Scala. See the list, what to do about gaps, and how to check your own repositories.

Oct 18, 20263 min read

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