Excel formulas are getting scary good.

Dynamic PHP pages give you the option to choose a MySQL table dynamically from which to query. You must ensure that the table exists before running a query on the table. PHP has a quick function that ...

Say I can pass several commands to my program, and each command corresponds to a function. How can I call this function without a lot of if-else? To add a little seasoning, I also need to pass ...

Overview Excel remains a core tool for data analysts, and a small set of functions can handle most tasks related to lookups, ...

Pivot tables still have their place, but I'd rather type one formula for a quick summary.

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...

Ajax works with HTML tables and XML data to display a list of records for your Web readers. Instead of defining each HTML element, Ajax lets you call table functions to display records in rows and ...