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iPhone Development   Python   HTML 5   Java in 21 Days   

iPhone Development

About the Platform

iOS is a mobile optimized variant of Mac OS X created by Apple Inc. It is distributed with all iPod touch, iPhone, and iPad devices, and only occupies about 500 MB of storage space.

There are three distinct approaches to iOS development:

Web Application Development

1. The original iPhone OS 1.0 required all non-Apple applications to be web-based and executed within the Mobile Safari web browser. Because Mobile Safari does not support plugins like Adobe Flash or Microsoft Silverlight, this meant that all third party applications were originally written in HTML, CSS, and JavaScript. This method of development remains a viable option today, especially for applications that must be accessible on a wide range of devices or for development teams with an aversion to Mac OS X and Objective-C.

Native Application Development

1. With the release of iPhone OS 2.0 and the introduction of the iPhone SDK and iTunes App Store, developers have been encouraged to write native applications for the iPhone using Objective-C and Xcode. Native applications are compiled binaries that are installed and executed on the user’s device. These applications are granted considerable access to the device hardware, and only native application binaries can be distributed through the iTunes App Store. Because the iPhone OS runs on iPod touch, iPhone, and iPad devices, most applications can be built for all three devices with only minor code variations, though there are significant advantages to optimizing your application for the much larger iPad screen.

Hybrid Application Development

1. It is also possible to combine the above approaches and create iPhone applications that are installed on a user’s device, are written primarily in HTML, CSS, and JavaScript, and are released through the iTunes App Store. 

Getting Started

In order to develop iPhone SDK applications and continue this tutorial, you will need the following:

An Intel-based Mac running Mac OS X Snow Leopard

• In order to write native applications with the official iOS SDK and test your applications in Apple's official iPhone or iPad Simulator, you will need to be able to run Snow Leopard, the latest desktop and laptop operating system from Apple.

An Apple Developer account.

• This is required to download the iPhone SDK 4, the Xcode IDE, and the iPhone Simulator. You will need to register for an Apple Developer account. Registration is free and will allow you to run applications in the iPhone simulator. A free account is all that is needed for this tutorial, but to actually run your apps on a device or publish through the iTunes App Store you will need to pay to enroll in theiPhone Developer Program .

Xcode and the iPhone SDK 4.

• After logging into your developer account , download and install Xcode 3.2.5 and iPhone SDK 4 (or the latest available versions).

After you have the above, you should be ready to dive into building “Fortune Crunch,” a simple iPhone application that will allow users to “crunch” a fortune cookie and read a message.

iPhone Development Video Lecture by Experts

PYTHON

Python Tutorial 1 - Intro, Print and Basic Math

Python Tutorial 2 - Strings and Escape Sequences

Python Tutorial 3 - Variables

Python Tutorial 4 - Integers and Floats

Python Tutorial 5 - Lists

Python Tutorial 6 - More on Lists

Python Tutorial 7 - Even More on Lists

Python Tutorial 8 - Input and Raw Input

Python Tutorial 9 - Making REAL Programs

Python Tutorial 10 - Tuples

Python Tutorial 11 - Type Conversion

PHP


HTML 5
In this section u can attend the HTML 5 lectures for free from experts...To join this community you have to sign up.

Step 1: Introduction to HTML 5

Step 2: New Elements in html 5

Step 3:New Elements in HTML 5 continues

Step 4: HTML 5 Demo

Step 5: Tag Examples in HTML 5

Step 6: Form Tag and Input Tag in HTML 5

Step 7: Tag Examples

Step 8: Tag Example SVG

Step 9: Tag Example Audio Video

Step 10: HTML 5 Basics and Advanced Conclusion



JAVA IN 21 DAYS

When we will start to learn JAVA first question that comes to our mind is:

1. What is the Scope of JAVA?
2. Java or .NET?

While Java has tough competition on the server side from Microsoft, etc., Java on the mobile phone is doing extremely well. So will J2ME be the primary Java for the next decade or will J2EE continue to hold good. 

Articles like Sun shines on handsets suggest that "The battle between Java and .Net has shifted from the courtroom to mobile phones." The way Java goes is very important as considering how specialized developers are today, it might happen that even if you are good at Java and J2EE you are not considered for a J2ME job. 

So if one is to plan a Java centric career for say the next 5 years, what should one specialize in? Or is trying to be a domain expert still the best bet? As technology might come and go but the domain/enterprise experts still hold jobs and make the developers run around. :-)

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