Experts estimate that barely 10 percent of Excel users understand how to make the most of worksheet formulas. If you already know your way around Excel basics, "Mr. Spreadsheet" John Walkenbach can help you master formulas to gain greater Excel functionality.
First, he shows you exactly what a formula is, how to create one, and what formulas can …
Practical Internet Security, As organizers increase their systems links across enterprise-wide networks, and VPNS, as well as their exposure to customers, competitors, browsers, and hackers, it becomes increasingly Imperative for Web professionals to be trained in techniques for effectively protecting their sites from internal and external threats.
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A student-friendly text, A Concise Introduction to Data Structures Using Java takes a developmental approach, starting with simpler concepts first and then building towards greater complexity. Important topics such as linked lists are introduced gradually and revisited with increasing depth. More code and guidance are provided at the beginning, allo…
Managing a software development project is a complex process. There are lots of deliverables to produce, standards and procedures to observe, plans and budgets to meet, and different people to manage. Project management doesn't just start and end with designing and building the system. Once you've specified, designed and built (or bought) the system…