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| kdb | javakdb | |
|---|---|---|
| 7 | 2 | |
| 402 | 48 | |
| 1.5% | - | |
| 4.0 | 4.9 | |
| 15 days ago | 6 months ago | |
| HTML | Java | |
| Apache License 2.0 | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.
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.
kdb
Posts with mentions or reviews of kdb.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-09-28.
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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.
javakdb
Posts with mentions or reviews of javakdb.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-01-14.
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Java OSS with the WORST code quality you’ve ever seen?
The Java client for the kdb+ database. It's a single file, see for yourself: https://github.com/KxSystems/javakdb/blob/master/javakdb/src/main/java/com/kx/c.java
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Are you interested in learning about low latency zero allocation programming?
Since I left this domain, Kx Systems has hired a Java dev, and they now have a library they push to Maven central, and they've formatted an commented the file. It now looks like this.
What are some alternatives?
When comparing kdb and javakdb you can also consider the following projects:
arctic - High performance datastore for time series and tick data
Spring Boot - Spring Boot
sqlite_http_csv - simulation kdb+ http behavior for sqlite.
megabasterd - Yet another unofficial (and ugly) cross-platform MEGA downloader/uploader/streaming suite.
Agrona - High Performance data structures and utility methods for Java
cinder - Cinder is Meta's internal performance-oriented production version of CPython.
jmurmel - A standalone or embeddable JVM based interpreter/ compiler for Murmel, a single-namespace Lisp dialect inspired by Common Lisp
jsource - J engine source mirror
jsch - Mirror of JSch from JCraft.
crapbenchmarks
Feign - Feign makes writing java http clients easier