nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqt8hz3mdqs2gchhr7d6u6nh666keyxzv0ycmmwjavs2h68lpg9wlsvs4heg (nprofile…4heg) It’s logically similar but not quite. Here’s nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqm4nsq9dds3k0wt60zuy57fqz79gm8f8j3nucm7y05jptu80agt3sy4atz4 (nprofile…atz4) with more than you ever wanted to know about it:
https://www.mikeash.com/pyblog/friday-qa-2014-06-06-secrets-of-dispatch_once.html
(Long story short—pthread_once takes an OS lock and will block in the kernel. This isn’t needed for dispatch_once so it uses atomic operations to achieve the same result)
Guy English
npub1t2…mm5kn
2025-02-25 20:23:38 UTC
in reply to nevent1q…t8mm
Author Public Key
npub1t2h8pjrfd0juhwfyz8fsqhhljrqx6sjwvhg4yf9vq9f9vnvtvhvqkmm5knPublished at
2025-02-25 20:23:38 UTCEvent JSON
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"content": "nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqt8hz3mdqs2gchhr7d6u6nh666keyxzv0ycmmwjavs2h68lpg9wlsvs4heg It’s logically similar but not quite. Here’s nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqm4nsq9dds3k0wt60zuy57fqz79gm8f8j3nucm7y05jptu80agt3sy4atz4 with more than you ever wanted to know about it:\n\nhttps://www.mikeash.com/pyblog/friday-qa-2014-06-06-secrets-of-dispatch_once.html\n\n(Long story short—pthread_once takes an OS lock and will block in the kernel. This isn’t needed for dispatch_once so it uses atomic operations to achieve the same result)",
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