Unitrai Blog · Page 2

Insights & Guides

Development tutorials, case studies, and technology insights from the Unitrai engineering team.

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5 June 2020

Using IF in MS-EXCEL to display conditional value/text

Way 1: Campare two numbers and print the greater one =IF((10>20),"TEN","TWENTY"); Way 2: Subtract CELL ( A2 ) from CELL (A1) and find if A1 is bigger or smaller.  =IF( ( (A1 - A2) > 0 ) ,"A1 is Bigger ","A1 is Smaller");   Note: Always wrap condition part within brackets.   &nbs

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5 June 2020

What is a Class in PHP?

In simple words, class is a user defined datatype. Which have its own constants, variables and functions. The variables of a Class are called properties of the Class and Functions of the Class are called  methods of the Class. Naming Convention Name of the class can be anything provided that it mu

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5 June 2020

What is the difference between mysql utf8 and utf8mb4

The character set named utf8 uses a maximum of three bytes per character and contains only BMP characters. As of MySQL 5.5.3, the utf8mb4 character set uses a maximum of four bytes per character supports supplemental characters: For a BMP character, utf8 and utf8mb4 have identical storage characteri