Secure Socket Layer (SSL) は、Web サーバーと Web クライアント (ブラウザー) 間のデータ ストリームを暗号化するために使用されます。 SSL は、一般に公開キー暗号化 (PKI) と呼ばれる、非対称暗号化として知られるものを利用します。公開キー暗号化では、公開キーと秘密キーの 2 つのキーが作成されます。いずれかのキーで暗号化されたものは、対応するキーでのみ復号化できます。したがって、メッセージまたはデータ ストリームがサーバーの秘密キーで暗号化されている場合、対応する公開キーを使用してのみ復号化でき、データがサーバーからのみ送信されたものであることが保証されます。信頼できる認証局によって署名された apache ssl 証明書…
With Facebook’s Graph API and the creation of the Open Graph protocol, it is now easier then ever before to read and write data from facebook to rails application and back to the “social graph”. Here’s a few of the possibilities: You could turn your webpage into a fully-featured Facebook-like page, just like if you were inside Facebook. You can give your users the ability to sign in with their Facebook credentials and customize their experience with parameters taken from their Facebook profiles. You could add a Like button to every object in your page such as images, songs, articles, etc., and tell your users which friends of theirs have …
Ruby on Rails 3.1 uses a new technology called Sprockets to speed JavaScript execution. Sprockets compiles all the features that a Web application uses into a single file, that simplifies work for the developer and quickens the response time of the application. New features to look out for Asset Pipeline Asset Pipeline is the principal feature of the release (Ruby on Rails 3.1) . In simple terms it allows proper organization of CSS and JavaScript files. The asset pipeline helps to make it simple to organize and serve your assets. Combining the pipeline with a well-tuned web and application server means that web sites being blazing fast! Also, browsers will …
Ruby on Rails is an open-source web application framework for the Ruby programming language. The growing demand for Ruby on Rails has been driven by successful companies who benefit from the speed and agility of building applications in Rails, which results in increased productivity and company growth. One such example is that of freelancify. com creator James Fend. His article How I Learned Enough Ruby On Rails In 12 Weeks To Launch Freelancify is a compelling story on how easy and useful Ruby on Rails is for coders. Rails has become “the” web technology for web startups. Does the Future Look Good for RoR? Yes, definitely the future of RoR …
CakePHP and Ruby on Rails are two of the most popular open source frameworks used for developing dynamic websites and web applications. However, often developers come across this question. Ruby on Rails or CakePHP? Well, the answer, to a large extent depends on what you really need out of a web application framework, the time you are willing to spend learning it, and the features you are looking forward to. So, here’s a quick CakePHP and Ruby on Rails comparison that will help you narrow down your choice. The reasons some developers prefer Rails over CakePHP and vica-versa are as follows- No need to grab data in your controller With …
Successful dashboards convey a great deal of dense necessary information with clarity and immediacy. Over time, a successful dashboard will improve an organization’s decision-making based on assisted goal-setting, help monitor negative trends, and improve workplace productivity. The various aspects of dashboard are as follows- A software that organizes information so that it is easy to read and interpret Provides up-to-date status information on Key Performance Indicators (KPI’s) Presents information visually through graphics – charts, gauges, maps, tables Information is simply presented, easy to monitor, and indicates where action needs to be taken. Dashboard users- Who are they? Administrators, directors, managers, executives and IT personnel will find dashboard extremely helpful. …
Nginx is one of a handful of servers written to address the C10K problem. Unlike traditional servers, Nginx doesn’t rely on threads to handle requests. Instead it uses a much more scalable event-driven (asynchronous) architecture. This architecture uses small, but more importantly, predictable amounts of memory under load.
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