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Developer Tools

Does modern Yarn run postinstall scripts? Defaults and hardened mode

Modern Yarn does not run third-party postinstall scripts by default. See how enableScripts, dependenciesMeta and hardened mode work, and what to review.

Oct 18, 20263 min read
Developer Tools

Should you yank or delete a bad release?

Yanking steers new installs away from a faulty release while keeping it available to people who pinned it. Deleting can break them. How to choose.

Oct 18, 20263 min read
Developer Tools

wsl.conf and .wslconfig settings that change WSL security

Drive automounting, Windows interop, PATH sharing and networking mode all change what WSL exposes. Here are the settings and defaults to review.

Oct 18, 20264 min read
Developer Tools

Write your first libFuzzer harness for a C parser

A libFuzzer harness is one function that takes bytes and calls your code. Here is a minimal C example, the build flags, and what the first run looks like.

Oct 18, 20264 min read
Developer Tools

How do you write an OpenAPI spec that helps security testing?

Declare security schemes, constrain inputs, list every operation and define errors. A better OpenAPI file gives scanners and reviewers more to work with.

Oct 18, 20263 min read
Developer Tools

How do you write a custom secret detection rule for an internal token?

Detect your own token format with a prefix, fixed length and checksum rule, test it against real and fake samples, and measure false positives.

Oct 18, 20263 min read
Developer Tools

Workers nodejs_compat and polyfills: what should reviewers know?

The nodejs_compat flag lets many npm packages run on Workers, with some APIs polyfilled or stubbed. Why that affects dependency review and testing.

Oct 18, 20264 min read
Developer Tools

Why does a stdio MCP server skip OAuth and use environment credentials?

The MCP spec says stdio servers should not follow its OAuth flow and should read credentials from the environment. What that means for storing secrets.

Oct 18, 20263 min read
Developer Tools

Why does Spring Security logout only accept POST requests?

With CSRF protection on, Spring Security's logout only handles POST so a forged link cannot sign users out. Here are the safe ways to build a logout button.

Oct 18, 20263 min read

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