semanticText
musl-sem-ext
semanticText | musl-sem-ext | |
---|---|---|
3 | 1 | |
28 | 0 | |
- | - | |
0.0 | 10.0 | |
almost 3 years ago | over 4 years ago | |
JavaScript | C | |
MIT License | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
semanticText
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Ask HN: Small scripts, hacks and automations you're proud of?
A small copy/paste tool to assess the semantic quality of any webpage:
https://github.com/prettydiff/semanticText
- Ask HN: What's Your Proudest Hack?
- I can only think that modern front end development has failed
musl-sem-ext
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Ask HN: What's Your Proudest Hack?
A few years ago, the company I work at switched to using Alpine-based docker images for most containerized things. One side effect was that our Ansible playbooks (running from inside one of these containers) would fail with inconsistent network timeouts when targeting a couple thousand servers. It turned out that the issue wasn't with the network nor with Ansible. The way that Ansible invoked some library functions for keeping track of SSH connections caused it to create a bunch of POSIX semaphores via sem_open().
glibc had a dynamically allocated data structure to keep track of semaphores, but musl libc only had a fixed-size 256 element array. When the semaphore limit was exhausted, Ansible would fail to keep track of the connections, resulting in a network timeout error message. I fixed the problem by forking musl's semaphore functions, making the array resizable, and loading the implementation with LD_PRELOAD: https://github.com/chenxiaolong/musl-sem-ext. Worked perfectly for 6 years until we decommed our data center :)
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