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interesting links: https://github.com/rurban/smhasher https://bigdata.uni-saarland.de/publications/p249-richter.pdf
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赞美APL:一种歌词式编程语言
Professor Alan J. Perlis / Yale University / First appeared in SIAM News, 1977-06. http://www.jsoftware.com/papers/perlis77.htm
Many reasons can be given for teaching one or more…
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The tolerant compare uses a calculation of the form a < b\*c. This can be done faster and with more precision by looking at the sign bit of fma(b,c,-a). But it breaks with negative zero.
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In j9.5 the following fragment works as expected and returns `+:`:
```
f=.*:
f deriv 1
```
In J9.6beta13 it returns error, because something is wrong with `u.` in `ufix` in definition of `deriv`.…
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Here's a link to my recent blog post about FreeForth interactivity!
http://www.stinkless.org/blog/encouraging-interactivity-with.html
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[Playground link](https://jsoftware.github.io/j-playground/bin/html2/#url=https://raw.githubusercontent.com/jsoftware/j-playground/j903_wasm/test/gpoly.ijs)
```
1:@:(dbr bind Debug)@:(9!:19)2^_44[(p…
joebo updated
2 years ago
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![image](https://user-images.githubusercontent.com/36027403/104806497-ecdc1a00-57a5-11eb-9bd4-b1b5f9c5d827.png)
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Attempting running new download (as advertised in Jupyter mailing list) on Ubuntu 16.10.
```shell
$ ./jupyter-notebook.sh
Traceback (most recent call last):
File "", line 4, in
File "/hom…
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As we start sharing playground links, it would be nice not to have to type the markdown each time
1. Add a menu item "Copy Playground Markdown Link" to Links menu (or should it be it's own top leve…
joebo updated
2 years ago
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In a clean session:
```j
JVERSION
Engine: j9.6.0-beta7/j64avx2/linux
Build: commercial/2024-05-05T21:37:34/clang-11-0-0/SLEEF=1
Library: 9.6.6
Platform: Linux 64
Installer: j9.6 install
I…