Category Archives: Not for home page

PostgreSQL has three auto increment column types: The pdAdmin 4 user interface unfortunately generates the wrong CREATE script for existing tables: If we execute it, we get the error message: ERROR: relation “test_id_seq” does not existLINE 3: id integer NOT NULL DEFAULT nextval(‘test_id_seq’::regcl… The correct syntax which auto generates the sequence too, is: For more …

Continue reading “ERROR: relation “…_seq” does not exist”

When we search in web application source directories, we usually find the same resource and variable names in the build outputs too. To filter out false positive search results, enter the comma separated list of build directory names into the files to exclude field:**/.next, **/build

To center a DIV horizontally React example To center a DIV only vertically React example: To center a DIV horizontally and vertically React example For more information There is a great article by Jamie Juviler at 11 Ways to Center Div or Text in Div in CSS

To be able to programmatically update Google Sheets, we need to enable the APIs and Service in Google Cloud Platform. Create a new Google Cloud project Enable the Google Sheet API

To display dynamic data on Lucid Charts. we can link Google Sheets to Lucid Chart objects. The Pull fill color from Google Sheets section of the Lucid documents explain how to set the color of an object based on the cell color, but does not mention one important step. To be able to select the Apply Imported Fill …

Continue reading “Apply Imported Fill Color is not available in Lucid Charts”

Install the Epson ET-3850 scanner driver and scanning utility Connect to the Epson ET-3850 scanner Scan with the Epson ET-3850 scanner

When you try to move a layer with a transparent logo or text in GIMP, sometimes the background layer moves. By default the Move Tool selects the layer of the dragged pixel regardless of which layer is selected. The tool only selects the correct layer if the pixel has at least 25% opacity. If the …

Continue reading “GIMP moves the wrong layer”

Remix uses the loader function to provide a behind the scenes API for the browser side script to supply data in JSON format. The function should return serialized data using the json instruction. When you get the error message: ReferenceError: json is not defined Add this line to the top of the script

React web applications pre-render the pages during application build for faster display and “hydrates” them with the client side javascript to make them interactive and to display data. This error can have causes: Initial url (undefined) does not match URL at time of hydration An installed NPM module

Pizza is awesome, we have never found anyone who does not like it. The Ooni Koda 12 gas fired pizza oven can fully bake a 12 inch pizza in 3 minutes, but we need to rotate it every 20-30 seconds to bake it evenly and avoid burning it on one side. The rotating pizza stone …

Continue reading “Rotating pizza stone for the Ooni Koda 12 pizza oven”