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RULE DESCRIPTION: This is an indicator of poorly designed code. TIMESTAMP: 0:14 Intro 0:32 Acceptable examples 1:11 Bad ... Say goodbye to NullPointerExceptions forever! This 2-minute guide reveals how Java's Optional class can transform your error ... Preparing episode 37 and onwards of the series. The goal for these next episodes, is to make ... Get the source code for this video for FREE → Join a community of 1000+ . Stop writing complex logic to validate your method arguments and use Guard, part of the .NET Community Toolkit. Guard is faster ... Free 5-Day Data Career Kickstart ⚡ INTERMEDIATE COURSE: ...
One invisible mistake in your dataset can cost a company millions of dollars. I'm not talking about syntax errors; I'm talking about ... When handling data in tools like Power Query or databases, it's essential to identify whether the field contains
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42 - Avoiding Null Checks
Why and how to avoid null checks (part 1)
Nulls are great - here's why
Rule #43 - Avoid passing null arguments
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Last Updated: June 2, 2026
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