JOEL LIPMAN Systems / Automation / AI

Knowledge base / Since 1999

Scripts, systems & field notes.

Practical solutions and technical notes from CRM platforms, workflow automation, APIs, databases and the systems around them.

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Excel - Check a column for values found in another column
Excel

Excel - Check a column for values found in another column

This is an article to remind me how to search a column in an Excel file for values found in another column (in this example, on another worksheet in the same workbook). How? So for demonstration purposes, I'm using a new Excel file with two worksheets called "Sheet1" and "Sheet2" respectively.

Read note 30,850 hits
Google Drive API v3 - OAuth2 using Service Account in PHP/JWT
Google

Google Drive API v3 - OAuth2 using Service Account in PHP/JWT

This is an article explaining the code needed to write a PHP script which generates an access token for a service account which in turn is used to list files in a team's Google Drive. This is very different to my code for OAuth when attended: Google Authentication - OAuth 2.0 using PHP/cURL... In that this one doesn't...

Read note 88,992 hits
Zoho CRM: APIv2 using PHP & cURL
Zoho CRM

Zoho CRM: APIv2 using PHP & cURL

This is an article documenting how to access ZohoCRM with API v2 using PHP and cURL. The first few functions are to manage OAuth v2 and generate the refresh and access tokens. The second snippet of code below is using the functions to read data from Zoho CRM and to write data back to the system.

Read note 32,472 hits
AutoHotkey: Check Windows Folder Sizes
AutoHotkey

AutoHotkey: Check Windows Folder Sizes

So I needed to clear space on a workstation's C drive. There are other programs about and even some built-in to MS Windows that could potentially be used. This is a quick article on how to write an AutoHotkey program to simply return the folders in the drive and display the size of all the files/folders contained withi...

Read note 33,133 hits
Calculate Aspect Ratio
Graphic Design

Calculate Aspect Ratio

So this is a quick article on how to maintain an aspect ratio when resizing an image. How? These are the calculations to work out the new height given the width or the new width given the height: (original height / original width) x new width = new height (original width / original height) x new height = new width

Read note 23,257 hits

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