タグ「javascript」のすごいエントリー
Inspired by a comment on Ajaxian, I killed another afternoon or two making a small library capable of reading EXIF data from JPEG images, figuring I would at least learn a bit about EXIF and the JPEG (and TIFF) image formats.Before we start, a small disclaimer. I'm somewhat of a dork when it comes to cameras and photography and my digital camera always laughs at me after I take a picture. So I won't go into details about the actual data, since I don't even know what half of these EXIF tags mean.So, there ar... 続きを読む
8 コメント
8 コメント
;;;;; lazy evaluation (def (numbers x) (cons x (numbers (+ x 1)))) (numbers 0) ;;=> (0 1 2 3 4 5 6 7 8 9...) (map (* 5) (numbers 0)) ;;=> (0 5 10 15 20 25 30 35 40 45...) ;;;;; curry ((+ 1) 2) ;;=> 3 ((cons 1) 5) ;;=> (1 . 5) (def a 1) (def (incr1 x) (+ a 1)) (def incr2 (+ a)) (def a 2) (incr1 1) ;;=> 3 (incr2 1) ;;=> 2 (def digits (head (> 10) (numbers 0))) digits ;;=> (0 1 2 3 4 5 6 7 8 9) ;;;;; proceduare composition (def ident (. incr decr incr decr)) (ident 30) ;=> 30 ((. (* 3) (+ 1)) 2) ;;=> 9 ;;;;; ... 続きを読む
1 コメント
1 コメント
As a sort-of reverse birthday present I've decided to release one of my largest projects, in recent memory. This is the project that I've been alluding to for quite some time now: I've ported the Processing visualization language to JavaScript, using the Canvas element. I've been working on this project, off-and-on now, for the past 7 months - it's been a fun, and quite rewarding, challenge. The full scope of the project can be broken down into two portions: The Processing Language The first portion of the... 続きを読む
36 コメント
36 コメント
[PR]ブログのペットがお留守番
