B4J Tutorials

The ABMDateTimePicker has, next to date and time selection now also week selection. I've searched some time to find a good one, but didn't so I decided to write it myself. Looks like a great...

 

I took my inspiration from Erels JavaObject to make a similar one for BANano. This is the 'Object' that rules them all... (in version 1.08+)

What is the difference between a...

 

Another small example of what you can do with ABM. (code can follow)...
It is not so much about the page, but what you can do with the creation of the SQL Query.

PDF docs are...

 

Hi there...

Well, this is just my approach of how I have developed my dynamic calendar with calendar events being loaded from a database. This is what I wanted to achieve...

1. Each...

 

Creating new workbooks based on existing workbooks saves a lot of work and also allows adding features that are not directly available in POI / XLUtils, such as charts.
Templates are regular...

 

Ola

New: BANanoWebix App Creation Process

BANanoWebix

Download BANanoWebix

NB: The official webix form builder is here, it does not work with BANanoWebix
NB: The...

 

I use some Windows *.bat files to do backups, etc. Some things are quite difficult or crap to do (like error handling, messaging, etc.) so I decided to convert one of my scripts to a non-ui B4J...

 

Hi,

wanted to learn more about jRDC2. Let me share testing jRDC2 accessing a MySQL database, running on a Raspberry Pi (RPi), via a B4J UI application.

Raspberry Pi MySQL Setup

• ...

 

This is the second part of the tutorial on some big changes I'm making to ABMaterial in 1.09. It should be fully backwards compatible so no (or very, very little) changes will be needed from your...

 

As shared in multiple places in this forum Java 11 OpenJDK does not allow to run jar files directly. (here)

Here is an easy workaround...

1. Run cmd with administrator privilege.
2...

 

Hi there

For this exercise I wanted to have a dashboard that will provide me with total Expenditure vs Budget as demonstrated in Figure 1 below. In this table, records are added that will have a...

 

SQLite3 has the REGEXP keyword. That means we can do SQLite queries like

SELECT * FROM table1 WHERE col1 REGEXP '\d+[a-z]+\d*';

.

Unfortunately, the REGEXP keyword references an SQLite...

 

XLUtils v1.13 adds support for converting workbooks to PDF. This is a Windows only feature and it relies on Excel being installed on the computer.

Exporting to PDF is a matter of...

 

B4J v10.00 includes support for "code snippets". This feature will be added to the other tools in the next updates.
A code snippet is a piece of code that can be added to your code in very few...

 

Ola

DISCLAIMER: ALWAYS RUN YOUR PHP WEBSERVER ON TOP ON SSL

Download Source code to REPRODUCE (Extracted from the BVAD3 Library)

Whilst you might be secure when running PHP apps on...

 

Hi there...

This is not ABMaterial related, however I wanted to run my ABMaterial WebApp from my local internet connection via WIFI, so here we go.

Well, install XAMP, you can get a copy...

 

This is a very quick tutorial on the H2 database - https://www.h2database.com/html/main.html

The main features of H2 are:

• Very fast, open source, JDBC API
• Embedded and server...

 

Sharing my experience in building my first ABMaterial WebApp running on a Raspberry Pi (RPi).
Note: any hints on improvements appreciated

Objective
ABMaterial Learning...

 

If you run a non-ui app in release mode and then close the IDE, then the process will continue running.
It is difficult to later kill it with Windows task manager as all the Java processes names...

 

Follow these steps to associate files, based on their extension, with your app. The user will be able to double click on a file and your app will be opened with the selected file.

Step 1: Make...