I've found a sleek open source software for English study.Reijiro: 間隔反復学習で英辞郎を「読む」アプリ knsmr/reijiro · GitHubHave you heard of "Spaced repetition"? According to wikipedia: Spaced repetition is a learning technique that inc…

I read an article introducing 'Blind SQL Injection'. I've never heard this word before though, I'll try to show how it works.Japanese article is here: OWASP AppSec USA 2013 レポート（前編）：深刻な「ブラインドSQLインジェクション」の脅威 (2…

It seems that several companies are getting into Peer-to-peer payment business. I found two articles about it in this week. Ribbon Takes On Square Cash, PayPal & Others With A Peer-To-Peer Payments Service That Lets You Send Money For Free…