WebScanNotes

Why Is a Derived Class Also Known As “Sub-class” When It Has More Properties Than Its Base Class (Aka Super-class)?

Lem — Wed, 03 Apr 2013 15:30:40 +0000

A common query of programmers new to object-oriented programming (OOP) is why is a derived class known as a “sub-class” when, by definition, it contains more member properties/functions than the base class (aka super-class) than it inherited from? The trick to understanding this concept is to remember that Computer Science has Mathematics as its roots, [...]

Opera to Change Engine – Switching to Webkit

Lem — Sun, 17 Feb 2013 03:46:56 +0000

Opera has announced its plans to ditch its Presto rendering engine in favor of Webkit in order to allow it to focus its engineering resources to developing new features and user-friendly solutions. Webkit, according to Wikipedia, is the most popular web browser rendering engine; prominent users include Google Chrome as well as Apple’s Safari browsers. [...]

WebRTC new Milestone Reached – Firefox & Chrome’s WebRTC RTCPeerConnection Now Interoperable

Lem — Sat, 09 Feb 2013 15:41:13 +0000

Chrome and Firefox have jointly announced that their WebRTC RTCPeerConnection implementations are now interoperable, implying that it is possible to create direct peer-to-peer video calls. WebRTC stands for Web Real Time Communications, and is an open project supported by Google, Mozilla and Opera to enable web browsers with Real-Time Communications capabilities via Javascript APIs, without [...]

Commonly Used Python Modules/Functions Cheatsheet

Lem — Sat, 19 Jan 2013 13:05:35 +0000

See also Python Syntax Cheatsheet sys/os module String functions &amps Regexp File I/O functions HTTP & SMTP Misc math & random modules Date/time Compression sys/os module import sys sys.argv # list of args. note that the first item is the name of this script import os os.getcwd() os.chdir(path) os.mkdir(path) os.listdir(path=’.’) # note: does not return [...]

Rumour: NTT Docomo to Build Phone on Tizen OS

Lem — Tue, 01 Jan 2013 03:29:53 +0000

According to non-official sources, it seemed that NTT Docomo, the largest mobile telco in Japan, has joined Samsung and Intel to build a phone based on Tizen OS, and will supposedly bring the first Tizen OS phone to market in 2013. Tizen is a Linux-based OS that is being touted as a more open alternative [...]

Python Syntax Cheatsheet

Lem — Tue, 25 Dec 2012 07:20:49 +0000

See also: Commonly Used Python Modules/Functions Cheatsheet Created a cheat sheet for my Python scripting work : Basic Syntax # this is a comment Variables: myVar = 100 myVar = 0×64 myVar = 0o144 #octal myVar = 0b01100100 intDiv = 11 // 2 #equals 5 powerVal = 2 ** 2 #equals 4 myString = ‘hello’ [...]

Using Facebook Messenger Without a Facebook Account – Facebook Gets Serious About Mobile Messaging

Lem — Wed, 05 Dec 2012 13:44:15 +0000

Oops, currently only available on Android in India, Indonesia, Australia, Venezuela, and South Africa. But would most prob be coming to other OSes and regions in due time. Facebook has revealed that it has released an update that will allow Android users in the said regions connect to Facebook Messenger using just their phone number. [...]

HTTPS Strict Transport Security Officially a Standard

Lem — Sat, 24 Nov 2012 04:04:49 +0000

HTTPS Strict Transport Security or HSTS, has graduated from “draft” status, and is now an official standard – RFC6797. HTTPS Strict Transport Security (HSTS) is a proposed mechansim for websites to communicate to the browser that all embedded content, such as images and Ajax requests, on a https-encrypted webpage should be accessed via https as [...]

What is HTML5?

Lem — Thu, 01 Nov 2012 15:00:50 +0000

HTML5 had undergone a natural evolution process My take – the term “HTML5″ had undergone a natural evolution process and now refers to any new proposed browser capabilities that had not existed in HTML4. HTML5 refers to any new browser capabilities that had not existed in HTML4 Strictly speaking, HTML5 should only refer to the [...]

Enough of Cloud Computing! Time for Paper Computing!

Lem — Tue, 30 Oct 2012 16:24:07 +0000

Interesting article on DigInfo regarding research that will make it possible for computers to draw and erase on paper, effectively allowing paper to dual-function as both a computer screen as well as a “printed” hardcopy. “The idea is to do computing on paper. But in the future, we’d like to enable several people to create [...]