Entries from 2014-01-01 to 1 year

Quick overview of Openstack component and typical infrastructure.

Recently I investigate Openstack for my work but I still don't know how Openstack components work together precisely. At the time, I found this link on a weekly news letter of this Openstack blog. The OpenStack Blog — Open Source Cloud Com…

Hot articles at 3 Aug 2014

Why the Security of USB Is Fundamentally Broken | Threat Level | WIRED We don't have any choices without not using USB devices anymore!Netflix And AT&T Sign Peering Agreement | TechCrunch A strong company is going stronger...Jekyll • Simpl…

Today's hot articles

NYC Restaurant Compares Old Surveillance Of Customers To Most Recent And Is Shocked By The Results - IYCATT.COM What do you think one of the cause of delay of serving in NYC restaurants now a days? 21 Things You Didn't Know Your iPhone Cou…

How to use Virtualenv

I came back to Japan and now work on SDN stuff. So I need to learn the Open stack, mainly Neutron which is written in python, using DeployPaste. I'm supposed to be familiar with python and relative things so at first I re-learned the virtu…

Super strict security check for transfer entire amount on my bank

I transferred all my amount in my bank to my friends account today because I left UK. Of course I needed not only a security number for the telephone banking, but also several information required maybe because it's a transfer of entire am…

Articles on 11 May 2014 - Earth view from ISS and Pry(Ruby interpreter)

USTREAM: ISS HD Earth Viewing Experiment: ***QUICK NOTES ABOUT HDEV VIDEO*** Black Image = International Space Station (ISS) is on the night side of the Ea... This is a live stream of the earth from ISS, International Space Station. You ca…

RSpec basics

Recently I have re-studied the RSpec. This is just my reminder. describe to be used to group something to be described. can be nested. context same as describe but usually used to list some different conditions it to be used to write test …

Interested articles (3/May/2014)

Daily chart: Crowning the dragon | The Economist This article said that China will become the largest economy by the end of the year against the past prediction of 2019. Dragdis - Drag & drop anything anywhere. An amazing web service. With…

Collaboration between google map and reCAPTCHA

I think the collaboration is useful and works well. The original article is here. This is interesting for me.Google Online Security Blog: Street View and reCAPTCHA technology just got smarterThe normal CAPTCHA is a web technology which you…

Several articles I read recently

I'll show you some articles which I recently read and felt something against.Tarsnap - Why is 1 GB 10^9 bytes instead of 2^30?I've not known this before. This is not essential, but something new for me was the unit of 'Gm'. We rarely say t…

Rubyにおけるインスタンス変数 クラス変数 クラスインスタンス変数(Instance variables, class variables and class instance variables in ruby)

(English follows)Rubyにおけるインスタンス変数 クラス変数 クラスインスタンス変数に関するメモ。以下の記事に対するコメントを含んでいる。includeとextendの違いについて - shoutm's diary結論は以下の通り。 インスタンス変数はオブジェクトに属する ク…

How big the solar system is - If the Moon were only 1 pixcel

This is a post in three weeks but so simple one. This can show you how bit the solar system is. Just scroll the page right and you can find it. Much talented.If the Moon Were Only 1 Pixel - A tediously accurate map of the solar system

Reijiro - An English learning tool

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…

Blind SQL Injection

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…

Services for P2P payment

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…

Apple might penetrate the mobile payment market.

Link: http://gizmodo.com/report-apples-expanding-mobile-payment-to-physical-go-1508814362I've ever worked on in this area a while ago. I've investigated some products and found PayPal here and Square which both are the payment system in wh…

Anticipatory shipping by Amazon

The title came from a scheme of shipping which amazon was considering. I think this scheme has a huge possibility to change the whole idea of shopping. Amazon Patents “Anticipatory” Shipping — To Start Sending Stuff Before You’ve Bought It…

Meltdown experiment in japan

Long time no update. Today I'll pick up an interesting article, it's about a nuclear experiment held in japan.Don't panic! Japan to send nuke fuel rod into MELTDOWN in Fukushima probe • The RegisterYou might know the apocalypse occurred in…