Takeshi Nishimatsu t-nissie

Compile mruby on Cygwin

Few people may compile mruby on Cygwin, but here are memos for mruby-4.0.0 and After mruby-4.0.0.

Install gcc, ruby, gem and git via Cygwin setup. Install rake with gem install rake.

On going!

$ sudo apt install mpich libmpich-dev
$ sudo apt install mpich libxc-dev
$ sudo apt install mpich libfftw3-dev
$ sudo apt install python3.12-venv

$ tar xf qe-7.4.1-ReleasePack.tar.gz

メルカリの暗号資産（ビットコインBTC、イーサリアムETH、XRP）の月間取引報告書CSVファイルから確定申告のために年間の損益計算をするためのRubyスクリプトmercari.rbとそれをCrystal言語に移植したmercari.cr

ライセンスは GPLv3 で、完全無保証です。税務署に怒られてもしりません。

参考文献: https://help.jp.mercari.com/guide/articles/1513/ メルカルビットコイン取引取引報告書・損益計算方法

I make some 3D Printers with 3D printers.

C++のクラスは小難しい構造体にすぎないので、

シミュレーション、CAD、画像処理、ゲーム、エディタなどのアプリで Tcl, Scheme, Lua, Python, LISPなどが domain-specific language (DSL) として採用されていて、パラメーターサーチ、繰り返し処理、

Munimula CoreXY 3D Printer

	/* WebAssembly/WASM/Emscripten Arguments.c can get three arguments from URL parameters */
	/* For example: http://localhost:6931/arguments.html?foo=Hello%2c&bar=Takeshi%20Nishimatsu&baz=Everything%20is%20OK%3f */
	/* See also JavaScript between </script><script> in template.html. */
	/* Import canvas.c and canvas.h from https://github.com/alextyner/wasm-canvas */
	#include "canvas.h"
	int main(int argc, char** argv) {
	HTMLCanvasElement *canvas = createCanvas("myCanvas");
	canvas->setWidth( canvas, 600);
	canvas->setHeight(canvas, 400);
	CanvasRenderingContext2D *ctx = canvas->getContext(canvas, "2d");

	// Animation.c
	// wasm-canvas: https://github.com/alextyner/wasm-canvas
	// How to compile and run locally (as written in Makefile):
	// ln -s SOMEWHERE/wasm-canvas/src/canvas.c .
	// ln -s SOMEWHERE/wasm-canvas/src/canvas.h .
	// emcc -c -o animation.o animation.c
	// emcc -c -o canvas.o canvas.c
	// emcc --shell-file template.html animation.o canvas.o -o index.html
	// emrun index.html
	////

	// ArcWASM.c draws a rectangle and an arc with wasm-canvas as same as original.html
	// wasm-canvas: https://github.com/alextyner/wasm-canvas
	// How to compile and run locally (as written in Makefile):
	// ln -s SOMEWHERE/wasm-canvas/src/canvas.c .
	// ln -s SOMEWHERE/wasm-canvas/src/canvas.h .
	// emcc -c -o ArcWASM.o ArcWASM.c
	// emcc -c -o canvas.o canvas.c
	// emcc --shell-file template.html ArcWASM.o canvas.o -o index.html
	// emrun index.html
	////