Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...
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Photoshop Tutorial CS6 and later: How to Transform Your Photos into Gorgeous Lomographs

Photoshop tutorial for versions cs 6 and later, showing how to create the high-contrast, unique saturated color-look of lomographic photos. Photo provided by Shutterstock Image ID: 351961673 ...
IEEE

Signal Flow Graph Analysis of Analog Circuits using Principles of Control Theory : Tutorial Review

Abstract: This tutorial paper discusses an efficient approach that can be adopted to analyze complex analog circuits. The approach is specifically designed to show the graphical interdependencies ...
Hacker

A Nodejs Tutorial: OpenPGP Crypto Functions on a Node API Server

Bob has been designing hardware and coding software for decades. He likes to draw and write. He’s a web cadet wannabe. Bob has been designing hardware and coding software for decades. He likes to draw ...
Search Engine Land

When and how to use knowledge graphs and entities for SEO

If you’re like me, you’ve heard plenty of talk about entity SEO and knowledge graphs over the past year. But when it comes to implementation, it’s not always clear which components are worth the ...
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Photoshop Tutorial Transform Signatures into Fun, Stunning Spirographs

Photoshop CC tutorial showing how to create stunning Spirographs from signatures & typed words. In addition are the steps to record the Action that will automatically create Spirographs.
golem.ph.utexas.edu

The Dual Concept of Injection

We’re brought up to say that the dual concept of injection is surjection, and of course there’s a perfectly good reason for this. The monics in the category of sets are the injections, the epics are ...