Security teams have always known that insecure direct object references (IDORs) and broken authorization vulnerabilities exist in their codebases. Ask any ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.