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Programming

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SQL Criteria for Normal Forms

In SQL, normal forms are defining characteristics of relational databases. SQL forms get classified according to the types of modification anomalies they're subject to. First, second, and third normal [more…]

SQL Data Types

Depending on their histories, different SQL implementations support a variety of data types. The SQL specification recognizes nine predefined general types, shown in the lists below [more…]

SQL Value Functions

You use SQL value expressions to combine two or more values. Several kinds of SQL value expressions exist, corresponding to the different data types; the following tables list string, numeric, and datetime [more…]

SQL Set Functions

Sometimes, the information that you want to extract from an SQL table doesn't relate to individual rows but rather to sets of rows. SQL provides five set [more…]

SQL WHERE Clause Predicates

The WHERE clause is an SQL filter that passes rows that meet the search condition and rejects rows that don't meet the condition. By including WHERE clauses in your SQL SELECT statements, you can restrict [more…]

SQL All-in-One For Dummies Cheat Sheet

SQL is a popular and useful programming language. You can make SQL even more useful if you know the phases of SQL development, the criteria for normal forms, the data types used by SQL, a little bit about [more…]

Common Shortcuts in VBA-Access 2007

Knowing the most popular keyboard shortcuts in VBA-Access 2007 will help you work more efficiently. Use this shortcut chart until you learn the keyboard combinations and their functions: [more…]

Shortcut Keys to Debug Code in VBA 2007

Avoiding bugs or errors means you have to be precise when writing code in a programming language. Luckily, using these shortcuts will debug code quickly in VBA: [more…]

Common Shortcut Keys in VBA 2007 Editor

Writing, editing, and testing your VBA code in Visual Basic editor will run more smoothly if you learn these helpful shortcut keys and their functions: [more…]

VBA 2007 Shortcuts for Immediate and Code Windows

To get your tasks done quickly in the Immediate window (which lets you run code anytime, right on the spot) and Code window (used for writing, editing, and viewing VBA) use these VBA shortcuts: [more…]

Codes for Common VBA 2007 Tasks

This list shows you the most common jobs carried out in VBA 2007 and the code statements you need to type to complete the VBA task, so keep this list handy: [more…]

How to Join the Apple Developer Program

To run your app on a real iPad or get a chance to profile your app in the App Store, you have to enroll in either the Standard or Enterprise version of the iPhone Developer Program. The iPhone Developer [more…]

How to Create an Xcode Project for an iPad App

To develop an iPad app (or an app for the iPhone or any other Mac device), you work in what's called an Xcode project. So, time to fire your own Xcode project up. [more…]

How to Customize Xcode for Your iPad App

Xcode gives you options galore when it comes to creating an iPad app; you probably won't customize much of Xcode until you have a bit more programming experience under your belt, but a few customization [more…]

How to Follow the Distribution and Development Processes for Your iPad App

When you create an iPad app, you have to go through two processes: one for development and one for distribution. Both processes produce different (but similarly named) certificates and profiles. The [more…]

How to Create an Apple Development Provisioning Profile and Development Certificate

To run an app on the iPad, you must have a Provisioning Profile installed on your iPad, as well as a Development Certificate on your Mac. The whole point of the Development Provisioning Assistant is to [more…]

How to Provision Your iPad App for the App Store

To get the iPad app you design into Apple's App Store, you need to provision it. To provision your iPad application, you start at the Provisioning Portal. [more…]

How to Use Frameworks in Your iPad App

A framework offers common code that provides generic functionality. The iPhone OS for the iPad provides a set of frameworks for incorporating technologies, services, and features into your apps. For example [more…]

How to Control the View in Your iPad App

When creating your iPad app, you need to include code that controls the view in that app. The following example iPad app is designed to display words scrolling down the screen. After opening the [more…]

How to Set Up User Preference Settings in Your iPad App

You can set preferences for iPad applications, which are application-specific settings used to configure the behavior or appearance of your iPad app. You can create and save preference settings in your [more…]

How to Add Outlets to a Modal View Controller in Your iPad App

Before using Interface Builder to create the elements for the Modal view of your iPad app, you should first put outlets in your app's code that will connect your methods to the Interface Builder interface [more…]

How to Add Methods to a Modal View Controller in Your iPad App

If your iPad app has a Modal view, you need to add methods to the SettingsViewController.m(implementation) file. These methods manage the iPad app's Modal view and perform any user-input actions. [more…]

How the In App Purchase Feature Works with Your iPad App

Apple offers the In App Purchase feature, which enables the app users to purchase virtual items directly from inside the app. If you're developing a game app with multiple levels or environments, or virtual [more…]

How to Become an Apple Registered Developer

If you want to submit iPad apps to Apple, you must become an Apple Registered Developer and obtain your Apple ID. If you don't want to join the Developer Program right away, you can register first for [more…]

Understanding Graph API — or Facebook Development — Syntax

Understanding the basic syntax of Facebook's Graph API is all you need to get started in Facebook development. Graph API's simple syntax is this: [more…]

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