Tutorials – Page 11 – Gain More Knowledge

IT Business Start Up Guide

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IT Business Start up Guide

By Larry Battle
The following are 10 simple steps that you can take to successfully turn your idea into a marketable product or service. This guide is more geared to software startups.

Create a Business Plan & Product Document
Construct a product or service that solves a problem.
Verify with others that the product or service is marketable.
Or find at least 3 potential customers willing to buy your product or service.
Note that you need to involve at least one customer throughout the entire start up process.
Process: Develop a document that describes the following information.
- Your product or service
- Audience / Marketplace
- Competition
- Schedule with deadlines
- Financial Projections
- Startup cost
- Business Plan (How are you going to make money?)
- Market and Sells Strategy
- Limitations
- Team Members
- Exit Plan

Create a Requirements Document
Define what your product or service does, what it come with and how you’re going to make the customer happy.
Process: Develop a document that contains the following information.
- Product Name
- Deliverables (what is it you’re making)
- Customer Requirements (What are the customer wants)
- Functional Requirements (What are the functionalities)
- Environment / System Requirements (What will this work with)
- External components
- Diagrams for Overview, Software and /or hardware
- Hardware components
- Limitations
- Assumptions
- Team Roles
Create a Architecture Document
This documents converts the requirement/product/services into simple abstract layers.
Process: Develop a document that contains the following information.
- Programming Language / Framework / Software Used
- Layers
- Customer Requirements to Layers Matrix
- Diagrams of Layers and Data Flow
- Simple Data flow
- Use Cases
- Simple GUI Mock-up
Create a Detailed Design Document
This document will discuss the sub-layers within the layers and define data-flow between them.
Process: Develop a document that contains the following information.
- Layers
- Sub-layers
- Diagrams of Layers, sub-layers and Data Flow
- Data Flow Definitions
Create a Test Plan Document
Create Test cases.
Process: Develop a document that contains the following information.
- System Test Plan
- Integration Test Plan
- Unit Tests Plan
Develop a working prototype of your Product or Service
Develop a prototype of the working system.
I prefer to use test driven development (TDD).
TDD steps are to Write a test case, watch it fail, program it to pass, re-factor.
Convert your product from beta to a final product / service
Work with beta testers and customers to improve your product / service to a final working product or service.
Perform System Verification
Check to see if the system works and have fulfilled all the requirements.
Get ready for release
Create the following items
- Product/Service Packaging
- License and warranty
- Support information
- Company website release page
- Demo setup
- Payment System
- User guide and other documentation
Release and start marketing
Release to the public, market the product/service and rake in the cash.
You can do stuff like …
- Video Demonstrations
- Buy Ads
- Press Release
- Attention getting stunts

Done.

Larry Battle

I love to program, and discover new tech. Check out my <a href="http://stackoverflow.com/users/527776/larry-battle">stackoverflow</a> and <a href="https://github.com/LarryBattle">github</a> accounts.

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10 Minute Tutorial over Logarithms with a Mix of Javascript

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Summary:
This tutorial will provide a simple overview of logarithms.

What are Logarithms?
Logarithms are used to determine the exponent needed to receive a certain value with a particular base.

Example: Log 100 = 2. Since 10^2 = 100.

Here’s a short video explaining logarithms more in-depth with a practical example.

The most common bases used for logarithms are base 10 and E. With base E logarithms normally referred to as the natural logarithm.
In Javascript, the function Math.log returns the natural logarithm of the argument instead of a base 10 logarithm. This can cause some confusion for those unaware of this fact.

Math.log( 100 ) == 2 // returns false
Math.log( 100 ) // returns 4.605170185988092

So how can one use a different base other than E? Well, it simple. All you have to do is take the log of the value that you want, then divide that by the log of the desired based.
Like so.

Math.log( x ) / Math.log( desiredBase );

Here’s a user defined function that does the same operation.

/**
* @function Math.logx
* @purpose: To provide the logarithm for any base desired. Default base is 10.
* @returns a number.
*/
Math.logx = function(x,base) {
    return (Math.log(x)) / (Math.log(base | 10 ));
}

And now, we can calculate log 10 as 2 instead of another number.

Math.log( 100 ) == 2    // returns false
Math.logx( 100 ) == 2   // returns true

Larry Battle

I love to program, and discover new tech. Check out my <a href="http://stackoverflow.com/users/527776/larry-battle">stackoverflow</a> and <a href="https://github.com/LarryBattle">github</a> accounts.

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Video Tutorial: How to make a boy band

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Tutorial:

Examples:

Super Junior

Mindless Behavior

What are you thoughts on boy bands?
Do you want to help me start one?

Larry Battle

I love to program, and discover new tech. Check out my <a href="http://stackoverflow.com/users/527776/larry-battle">stackoverflow</a> and <a href="https://github.com/LarryBattle">github</a> accounts.

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Use the contents of a jar file.

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How to view the contents of a jar file.
Command

// From the cmd line
jar -tvf fileName.jar

Example Output

C:\BrowserGUI\dist>jar -tvf BrowserGUI.jar
     0 Sat Nov 26 21:46:28 PST 2011 META-INF/
   106 Sat Nov 26 21:46:26 PST 2011 META-INF/MANIFEST.MF
 39313 Sat Nov 26 21:46:26 PST 2011 GUIAboutTab.class
 39952 Sat Nov 26 21:46:26 PST 2011 GUIFrame.class
 45354 Sat Nov 26 21:46:26 PST 2011 GUITabbedPane.class
  5244 Sat Nov 26 21:46:26 PST 2011 GUImain.class
   691 Sat Nov 26 21:46:26 PST 2011 NewJFrame$1.class
   509 Sat Nov 26 21:46:26 PST 2011 NewJFrame$2.class
 15458 Sat Nov 26 21:46:26 PST 2011 NewJFrame.class

Check out the Java Package Tutorial for more infomation.

Larry Battle

I love to program, and discover new tech. Check out my <a href="http://stackoverflow.com/users/527776/larry-battle">stackoverflow</a> and <a href="https://github.com/LarryBattle">github</a> accounts.

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