B4J Tutorials

I've posted in the past a few examples of a simple chat app based on BLE: https://www.b4x.com/android/forum/threads/ble-chat-connecting-android-and-ios.66543/#content
A new version of this...

 

This Thread is about the german Post and their free Api Service for Postalstamps and other Services...

 

Hi Fam

SithasoDaisy5 Demo incl Preferences Dialog Forms Builder

SithasoDaisy5 Open Source

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

 

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...

 

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...

 

Hi Fam

SithasoDaisy5 Demo

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

 

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...

 

But if to make lots of preparations:
0. Do not forget to include into the B4J library folder file: www.b4x.com/b4j/files/bluecove-2.1.1-SNAPSHOT.jar

1. Install Linux Bluetooth Bluecove...

 

This tutorial is made for Linux JDK14 set Java + JavaFX for B4J practically, AI suggestions were partially OK only.
The .jar app file is compiled at Windows developer host.

Building a DEB...

 

A friend of mine created a docker image for me to debug apps on my server quickly and easily.
I am happy to share this with you.

https://hub.docker.com/r/o0shojo0o/b4jbridge

 

This example is based on: https://scikit-learn.org/stable/auto_examples/linear_model/plot_ols.html
The steps are:

1. Read the CSV file with StringUtils.
2. Take the BMI and target columns...

 

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...

 

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 /...

 

This example uses B4X,

• specifically MiniHTML library
• cross over HTMX to generate interactive HTML
• based on Modal Dialogs in Bootstrap example on HTMX website
• to...

 

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...

 

 

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...

 

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...

 

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...

 

Ola

I just ran into this link, https://www.keycdn.com/blog/web-development-tools

And besides XAMPP, which I have been using for my personal web development projects, there is Laragon...