Show HN: Inflation-adjusted stock charts – Total Real Returns

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  • crystal

    The Crystal Programming Language

    Crystal is beautiful, highly performant, concise, powerful, well documented. It has a solid standard library and plenty of "shards" (packages) too. It's really the elegance of writing it that I appreciate the most -- perhaps even more than I get that elegant feeling from Ruby. The code for the standard library is highly readable and well documented, which is awesome.

    In working on this project, I discovered two "superpowers" of Crystal:

    The first was macros which I used sparingly, but to great effect, when an ordinary method call wouldn't do.

    The second was monkeypatching: specifically, it's super easy to reopen existing standard library classes and add a field I need, for example:


  • uPlot

    📈 A small, fast chart for time series, lines, areas, ohlc & bars


    It's about 3000 lines of Crystal code -- it's been an absolute dream to program in. Ruby-like syntax, statically compiled performance. Nice standard library. Would recommend :)

    Performance == caching

    Local ephemeral filesystem for shortest-term caching.

    Redis for shared medium-term caching and locking.

    S3-compatible object storage for longest-term caching (for raw data feeds pulled every evening by a cronjob).




    Just a sprinkle of inline JS+CSS on the page.

  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Data Platform where developers build real-time applications for analytics, IoT and cloud-native services in less time with less code.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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