traitlets
kdb
| traitlets | kdb | |
|---|---|---|
| 4 | 7 | |
| 602 | 407 | |
| 0.0% | 1.5% | |
| 7.7 | 4.3 | |
| 18 days ago | 5 days ago | |
| Python | HTML | |
| BSD 3-clause "New" or "Revised" License | Apache License 2.0 |
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traitlets
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[Guide] A Tour Through the Python Framework Galaxy: Discovering the Stars
Try traitlets
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Is Spock-Config the only tool that integrates object-oriented config files and command-line interfaces?
https://github.com/ipython/traitlets/pull/693 should help.
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An oral history of Bank Python
> This is loosely the same idea that drives React, ObservableHQ, Kafka, and other event-streaming architectures, but I first encountered this ~15 years ago at a bank.
See also the "observer pattern" [0]. It's a fun exercise to implement a reactive system in Python using the descriptor protocol [1]. IPython's traitlets library is an example of this in the wild [2].
[0]: https://en.wikipedia.org/wiki/Observer_pattern
[1]: https://docs.python.org/3/howto/descriptor.html
[2]: https://github.com/ipython/traitlets
kdb
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Function Composition in Programming Languages – Conor Hoekstra – CppNorth 2023 [video]
> And later array languages have mostly abandonned the crazy names in favour of actual words
Sharing this without comments:
https://github.com/KxSystems/kdb/blob/master/c/c/k.h
- Want cleaner code? Use the rule of six
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If risc-v is successful, no need of those backdoor injectors which are compilers anymore (and absurd and grotesque bloats). Just write risc-v assembly without abusing the macro preprocessor.
ah, I see you too are a disciple of the kdb school
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if you code in J for 6 months, you will no longer think in loops, and if you stay with it for 2 years, you will see that looping code was an artifact of early programming languages, ready to be displayed in museums along with vacuum tubes
Ah, after all these years, you've finally found it: a worthy opponent for kdb source code.
- An oral history of Bank Python
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Breaking into q/kdb+
I am an experienced developer with 10+ years in various other languages (c++/python/ some scala). I am interested in getting into q/kdb+ after a recommendation from a friend in the industry. Does anyone out there have any suggestions on how to break into the industry Ive done the courses on https://code.kx.com/ and read a few suggested books but cant find any officially recognised certs I could get, and practical experience is limited ! Im not sure even id hire myself into such a role
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Are you interested in learning about low latency zero allocation programming?
For the curious, when I first ran into it it looked like this. That is not minified code, it's how people who write K write Java code. It was expected you would take that file and include it in your sources somewhere. The KDB protocol is actually very simple, basically writes out the types with a type tag, length and then the data in binary.
What are some alternatives?
arctic - High performance datastore for time series and tick data
aiomonitor - aiomonitor is module that adds monitor and python REPL capabilities for asyncio application
sqlite_http_csv - simulation kdb+ http behavior for sqlite.
spock - spock is a framework that helps manage complex parameter configurations during research and development of Python applications
Agrona - High Performance data structures and utility methods for Java
baize - Powerful and exquisite WSGI/ASGI framework/toolkit.
cinder - Cinder is Meta's internal performance-oriented production version of CPython.
Maat - Validation and transformation library powered by deductive ascending parser. Made to be extended for any kind of project.
jsource - J engine source mirror
hupper - in-process file monitor / reloader for reloading your code automatically during development
javakdb - Using Java with kdb+