Microsoft Tag: Microsoft’s own 2D barcode
It just wouldn’t be right if Microsoft didn’t have its own barcode technology too, which is why today Microsoft Tag (Beta) was announced at CES 2009. Much like other 2D barcode technologies including the popular but underwhelming QR Code, Microsoft Tag allows data to be stored in a graphical bitmap using shapes and colors. But with a twist. If you were to assume Microsoft Tag is just a clone of QR
Macportsのcoreutilsコマンド群はなんでも「g」から始まる
CoreutilsはcatやlsといったUNIX上の基本的なコマンドを集めたGNUのパッケージである。これをMacPortsからインストールしたからGNUのコマンド群が使えるようになるぞ、と思っているとハマることになる。Coreutilsを普通にインストールしても、「ls」はインストールされないのである。 % port file coreutils /opt/local/var/macports/sources/rsync.macports.org/release/ports/sysutils/coreutils/Portfile <- coreutilsはインストールされている % ls --help ls: illegal option -- - <- GNUのlsではない usage: ls [-ABCFGHLPRSTWabcdefghiklmnopqrstuwx1] [file .
Don't Bet on Moore Saving Your Ass (by Jeremy Zawodny)
Over on the 37signals blog, DHH writes Mr. Moore gets to punt on sharding. His argument is basically that if you continually delay fixing your data storage and retrieval layer, Moore's Law will be there to save our ass--over and over again. Bzzzt. Wrong answer. Depending on future improvements to fix your own bad planning is a risky way to build an on-line service--especially one you expect to gro
Mr. Moore gets to punt on sharding
Sharding is a database technique where you break up a big database into many smaller ones. Instead of having 1 million customers on a single, big iron machine, you perhaps have 100,000 customers on 10 different, smaller machines. The general advise on sharding is that you don’t until you have to. It’s similar to Martin Fowler’s First Law of Distributed Object Design: Don’t distribute your objects!
raganwald's rewrite_rails at master — GitHub
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Merbに関する記事のまとめ - Hello, world! - s21g
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Beyond Polling? Consider PubSub, Push and MOM
Testing is Overrated