Write-ups on the tools and pipelines behind this site — what worked, what broke, and the parts nobody puts in the docs. 2 notes so far.
The Indonesia Stock Exchange publishes its daily summary openly. Getting it into a dataframe involves one networking trick and one domain fact — and the domain fact is the one that silently corrupts your numbers.
Read the note →Two scheduled jobs, one shared lock, and a site that is already static by the time anyone loads it. The design is boring on purpose. The failures that shaped it were not.
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