TAKESAKO @ Yet another Cybozu Labs: Web2.0時代ã®Ajax Binary Hacks※公開用ã«ã„ãã¤ã‹æ‰‹ã‚’åŠ ãˆã¦ã‚ã‚Šã¾ã™ å‰ãƒ•ãƒªãŒé•·ã„ã¨ã®ãƒ„ッコミãŒã‚ã‚Šã¾ã—ãŸã®ã§ã€ä»Šå›žã®ç™ºè¡¨å†…容を少ã—è¦ç´„ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ 1. GIF Format Hacks (Server side) ã¾ãšã¯ã€ä»»æ„ã®pixelサイズ（幅・高ã•ï¼‰ã‚’æŒã£ãŸç”»åƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’固定長ã®35byteã§å‡ºåŠ›ã™ã‚‹æ–¹æ³• #!/usr/bin/perl use strict; use warnings; sub create_gif { my $size = pack "S2", @_; return "GIF89a$size\xf0\x00\x00\x00\x00\x00\xff\xff\xff," . "\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02L\x01\x00;"; } print "Content-Length: 35\n"; print "Content-Ty
Binary Hacks - ãƒã‚¤ãƒŠãƒªã‚¢ãƒ³åº¦ãƒã‚§ãƒƒã‚¯
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