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ZTM Blog Library
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Tutorials
Showing 33 results X RESET
November 29th, 2023 ·15 min read
How to use DATEADD for Period-Over-Period Analysis in ExcelDATEADD is great for period-over-period analysis (right inside Pivot Tables). And it's easier to use than you think... here's how (with setup, code, examples)!
November 27th, 2023 ·21 min read
Build A JavaScript Game Step-By-Step (Using HTML, CSS + JavaScript)Want to improve your JS skills but don't want another boring tutorial or app? Learn how to make a basic game from scratch, with full code and walkthrough!
November 20th, 2023 ·26 min read
Pandas 101: Intro To Numerical Data Manipulation With Pandas + PythonLearn the core fundamentals for data manipulation with Pandas and Python (using code examples)!
November 15th, 2023 ·9 min read
TypeScript Arrays: Beginners Guide With Code ExamplesLooking to improve your TypeScript skills? Learn how to store and access multiple data types, with this beginner's guide to using arrays in TypeScript.
November 8th, 2023 ·31 min read
NumPy 101: Intro To Numerical Data Manipulation With NumPy + PythonInterested in ML, Python, and large Datasets? In this intro guide to NumPy + Python, I break down the key features and commands, with code examples.
November 2nd, 2023 ·11 min read
TypeScript Utility Types: A Beginners Guide (With Code Examples)Want to improve your TypeScript skills? Learn how to use Utility types to streamline the development of your current and future programs. (With code examples!)
October 25th, 2023 ·7 min read
TypeScript Union Types: A Beginners GuideJust what are Union Types in TypeScript? How do they work, what are they for, and how do you use them? Learn all this and more, with code examples ⚡
October 11th, 2023 ·13 min read
How To Use Measures In Excel (With Examples!)Why use measures? How about portable, reusable functions, that auto-update in each pivot table, when you update the single source? Learn how in this guide!
October 6th, 2023 ·19 min read
Type Checking In TypeScript: A Beginners GuideWhat if you could catch errors at both compile and runtime? Thanks to TypeScript's type checking feature, you can! Learn how in this guide, with code examples.
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