Tip Bank

DevX - Software Development Resource

Understanding Memory Pages and Page Alignment

System memory is divided into units that are called “pages”. A page consists of 4,096 bytes (4K) on Intel architectures, and on Alpha systems it consists of 8,192 bytes (8K).

DevX - Software Development Resource

Overriding a Deprecated Function

Question: I have a class that extends one class and implements an interface.The interface requires a getName() method.At the same time the class I am extending has a getName() functionthat

DevX - Software Development Resource

Finding the Identity Fields

Question: I am working on a database program that will insert random data into all fields in the database. What the program is supposed to do is look for field

DevX - Software Development Resource

Returning a Certain Number of Rows

Question: How do I get a query to return only a certain number of rows? For instance, a search criterion might return 100 rows, but I only want to see

DevX - Software Development Resource

Answering SQL Queries in Excel

Question: I’ve got an Excel workbook composed by a series of pages (worksheets). One of them is called ‘Wholesales’. I’ve tried to retrieve values even with basic syntax: select *

DevX - Software Development Resource

Inactivity Timeout

Question: I’d like incorporate an inactivity timeout for an application.When there is no mouse or keyboard activity in the application fora certain period of time, I want to close all