Category Archives: perl programming

Why you shouldn't waste your time on Perl 5.6

This is a sort-of response to mst's On Perl 5.6 post. Mostly, I agree with Matt about not gratuitously breaking 5.6 compatibility (i.e. to "force people to upgrade"). However, in recent years, I've never received a single bug report or patch from a person actually using 5.6 for anything except smoke testing things on 5.6. […]

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The Annotated Berlin Consensus

The official Berlin Consensus document is on Github. This is an annotated review of it. The Berlin Consensus At the first Perl QA Hackathon (QAH) in 2008 in Oslo, a number of QA and toolchain authors, maintainers and experts came together to agree on some common standards and practices. This became known as "The Oslo […]

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Faster ordered hashes for Perl

With some prompting and suggestions from Mario Roy, author of MCE, I've been optimizing Hash::Ordered. With the exception of setting existing/new elements, which got a bit slower due to ensuring keys are strings, not references, most functions got faster. Some, like large hash deletion, are now MUCH faster. Here are changes in benchmarks from version […]

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Perl QA Hackathon 2015 report

tl;dr: I led hours of "consensus discussions" about toolchain governance, the Test::Builder roadmap, PAUSE policies and responsible authoring practices. I fixed bugs and applied patches for CPAN.pm, CPAN indexing and CPAN META tools. I experimented with indexing META files to generate deep reverse-dependency graphs. I concluded I need to invent Metabase 3.0. Why I love […]

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What to do if PAUSE tells you this distribution name can only be used by users with permission for X, which you do not have

Over the last year, a handful of CPAN authors have been bitten by PAUSE complaining that they don't have permissions for a distribution name they've uploaded. What's going on? (short explanation) PAUSE used to have a gaping security hole; it's now closed. As a result, when an author uploads a distribution with a name like […]

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