B4J Tutorials

[Web][SithasoDaisy5] Designing Web Forms with SDUIPreferences - Part 1

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Integrated B4JPackager11 - The simple way to distribute standalone UI apps

B4JPackager11 is a utility written in B4J that uses the underlying Java tools to create a standalone package that doesn't depend on any other software being installed.
It works with OpenJDK 11 and...
 

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  • jssc.zip
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Cache for WebApp was keeping previous version of .js file - How to fix

This was the first time I faced something like this and it was Chrome's fault. Here is what happened:

I added in a .js file a new javascript function. When I tried to call it, Chrome was saying...
 
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[Web][SithasoDaisy5] Designing Forms with the Abstract Designer

Hi Fam

SithasoDaisy5 Demo

Before you start this tutorial, please ensure that your dev environment is setup by following this tutorial...
 
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FXThemes

Now I have a windows 11 PC and thanks to a prod from one of @Cableguy posts on another thread, I finally got round to looking at an alternative to my Replacement Titlebar lib.

This...
 
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jBluetooth under Linux: also works

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B4J-Bridge dockerimage

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[PyBridge] Linear regression with scikit learn

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  • Project.zip
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[PyBridge] Tips to make life easier

1, Download VSCode to edit the Python source files (you get hints etc)
2, Put the Python source code in files directory. (set external tool to VSCode for easy editing)
3, Run the code from...
 
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MathArt

Sure you will figure it out. Four rotating/pivoting arms of different length and rotating at different speeds (some CW and some CCW) to make all kinds of interesting drawings. Change the speed /...
 

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  • b4jMathArt.zip
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HTMX+Bootstrap5+MiniHTML+WebApiUtils+Server

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  • WebApiUtils.b4xlib
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  • MiniHtml.b4xlib
    19.8 KB · Views: 351
  • htmx-b4x.zip
    3.2 KB · Views: 363
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Tip : B4XLib documentation

I recently spent half a day on a wild goose chase trying to find out what was going on with SQLCipher, while the issue turned out to be B4XTable.b4xlib containing an #AdditionalJar for...
 
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Trace of a point on a rolling wheel

 

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  • b4jRotatingWheel.zip
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Run B4J java and javafx UI Applications on Linux ARM32, ARM64 & Intel/AMD Computers and VPSs

To run a B4J console or GUI Application on any 32-bit or 64-bit ARM computer, follow these steps:

Have tested it on Raspberry Pi 4 and Orange Pi Zero 3, 2W running Ubuntu 21.04 and 22.04...
 
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Using MiniORMUtils in Web API Server v3

Introduction
At the time of writing, MiniORMUtils is version 1.14 and Web API Server v3 is version 3.00.
MiniORMUtils support SQLite and MySQL databases.
We don't need to write...
 
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Google Image Downloader (using Pnd_Selenium Library)

Hi there,

I am sharing my example Google Image Downloader using Selenium and to be more specific Pnd_Selenium lib (from Pendrush) that you can find here...
 

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  • Google Image Downloader.zip
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[WebApps] Using Laragon as your development web server

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[Web] Plug n Play MySQL Database Authentication via PHP REST API in 5 minutes or less

Hi Fam

Download

You will recall that we did a tutorial on MySQL back-ends using a plug n play CRUD REST API (Related Topics below)

This is based on this GitHub Project

In this...
 
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[BANano] Using PocketBase (Firebase Alternative) for your Apps.

Hi there.

Update: This class is based on the JavaScript SDK available here, https://github.com/pocketbase/js-sdk
REST API calls are dont internal to the library, if you want to use pure...
 
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Web API Server v3

Part #1: Get Started
Part #2: Configure Settings
Part #3: How Does the Project Work?
Part #4: Server Handlers
Part #5: Using Code Snippets
Part #6: Add a New Field

Part #1: Get Started...
 
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