Cloudflare Launches Its Own Certificate Authority for Internet-Wide TLS

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Cloudflare has announced the creation of its own Certificate Authority (CA) to issue TLS certificates across its network. The move aims to give Cloudflare greater control over certificate issuance, renewal, and revocation for its customers. By operating an in-house CA, the company can reduce dependency on third-party certificate providers and improve reliability. The initiative is detailed in a technical blog post published on the Cloudflare website. This development has potential implications for how trust and encryption are managed at scale across the broader internet.

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Spring Boot Microservices: Sync Calls, Events, and AI Integration Explained

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ProgrammingDEV Community ·

Developer Shares C# Unit Testing Approach for School Sports Registration System

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ProgrammingDEV Community ·

Testing Claude Code skill argument substitution across 12 runs reveals key behaviors

A developer ran 12 controlled tests on Claude Code version 2.1.278 on September 22, 2026, to observe exactly how argument placeholders behave inside skill bodies. Results showed that $ARGUMENTS always preserved the raw input string including quotes, while positional variables like $0 and $1 used shell-style splitting with quotes stripped. Missing positional arguments were left as literal text rather than replaced with empty values, and the argument-hint setting had no effect on what the skill body actually received. One notable finding was that bare environment-style tokens like $HOME, when passed as arguments, disappeared from positional slots but remained visible in $ARGUMENTS. The author built dedicated echo-skills to capture substituted content directly from session transcripts, noting that in one of 12 runs the model's reply did not match the actual substituted text — highlighting the value of reading raw transcripts over trusting model output.

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ProgrammingDEV Community ·

AeroCI Tool Lets Developers Test GitHub Actions Workflows Locally Before Pushing

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