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  How to write your own DSL in Ruby

DSL(Domain Specific Language) is a language defined to fulfill some domain specific requirements to ease people's work. It can be used to define attributes and actions of a domain easily and cleanly. And it is often created based on some common observations or micro patterns of some domain. In Ruby world, there are quite a few places people can find DSL. For example, Ruby itself, Chef recipes. To create a class in Ruby, the traditional OOP way would look like. class User @name = nil @email =...

   RUBY,DSL,TUTORIAL     2017-03-04 09:40:34

  PHP to get access token for Twitter app

Previously we wrote an article about getting access token for Facebook app--PHP to get access token for Facebook app. Today we will introduce how to get access token for Twitter app using PHP. Since now Twitter is also using OAuth 2.0 to allow some web apps to access some users information on behalf of one user. They provided some APIs for developers to easily get them integrated with their own websites. The first step to get all these done is how to get the access token, the access token seems ...

   Twitter,OAuth,access token,PHP     2013-03-03 03:49:26

   7 Incorrigible Mistakes Of Mobile App Design

Plethora of mobile apps are launched every day, let alone a month or a year. With such a rising competition making an app which is not liked by people is a committal sin not just from a user's perceptive but also due to so many people and their efforts attached to it. In this blog we will discuss some of the very important factors which one should know before crafting an app. It's obviously not worth crying over the split milk as 80% of the users not even open an app again if they encounter ...

   Mobile App     2015-06-18 08:08:48

  What was the Internet like in 1995?

The Internet evolves very fast since its birth. In 1995, a TV program called Computer Chronicles made an episode about new technology "The Internet". Now let's check out what the Internet looks like in 1995 through some video screenshots. First the host Stewart Cheifet appeared in the video where he was in a network cafe. There you can meet the real people and virtual person. That's a good thing. The first guide of us is the technology journalist from New York Times John Markoff. He said his f...

   Internet,History,1995,Computer Chronicles     2013-04-10 06:30:28

  Tom Uglow from Google : 5 steps to innovation

Google has been known for its innovation In Google there is a "welfare": each employee can spare 20% of his/her time to do what he/she likes to do so that any idea has a chance to be turned into reality. Perhaps this freedom makes Google capable of introducing new products and new ideas continuously. Google China held a small discussion session in its office in Tsinghua Science Park recently, Google Creative Director Tom Uglow shared some experience and cases of Google in production and innovat...

   Innovation,Technology,Google     2012-10-10 20:00:47

  IoT System Cyber Attack Case Study 02: Python Deserialization Attack and Library Hijacking Attack

Project Design Purpose: The objective of this cyber attack case study is to develop a workshop that demonstrates how a red team attacker can permanently compromise a people detection radar IoT device. The attack path is achieved through a series of attacks, including traffic eavesdropping, data deserialization attacks, web shell attacks, remote command/code execution, and Python library hijacking attacks. This case study is intended for IoT and data security professional training, aiming to ill...

       2024-07-14 01:40:09

  Google Chrome Alternatives: Best Browsers For Android

Most Android phones come with Chrome pre-installed as the default browser. There’s nothing wrong with that. Chrome is a great browser with excellent features. And it feels natural alongside all the other Google products that also come pre-installed on Android. But the type of browser someone uses is super important. In the end, the browser may be one of the most-used apps on any phone.  Browsers need to fit the needs and lifestyle of the person who is using it. To name a few examples,...

   FIREFOX,MICROSFT EDGE,CHROME     2020-06-18 07:12:35

  What did iPhone bring to us in the past 5 years?

It is five years now since the first iPhone was released on 29th June 2007. In these 5 years, iPhone is the biggest variable in technology industry on this planet. It brings revolutionary change to many industries including the mobile phone, communication and Internet. It brings us into the era of mobile web. BuzzFeed collected a series of pictures to summarize the changes brought to us by iPhone in these 5 years. Here are some of them.1. Apple is the most valuable company in the worldIn August ...

   Apple,Change,World,Flash,iPhone     2012-07-09 14:27:32

  A simple example of drawing bar chart with label using d3.js

D3.js is a very popular graph library to help developers draw various kind of charts using JavaScript in a webpage. It utilizes the SVG format supported by all major modern browsers and can help developers get rid of the old age of Flash or server side graph drawing libraries. In this post, we will introduce some simple examples of drawing bar chart with labels using D3.js.  First, let's see what will be the final look of the graph drawn. Below is the complete source code for this example....

   JAVASCIPT,D3,BAR CHART,LABEL,TUTORIAL     2020-05-16 23:25:40

  Guide to Clearing Storage Space on a Macbook

Macbooks are pretty notorious when it comes to what storage space you have available. Those few gigabytes that you have will disappear in no time if you are not careful. The whole issue becomes even more problematic for people who are not that familiar with Macbooks or have switched from another computer. And if you do not pay attention, it will not take too long before you have next to no storage space on the hard drive. Leaving only a few gigabytes of free space will significantly reduce the ...

   MACBOOK,APPLE,DATA STORAGE     2020-08-08 00:21:42

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