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  1. HOWTO Working with HTML Articles in Lianja 9.4

    Lianja 9.4 (9.4.3) supports the ability to Create, Edit and Display HTML Articles in an ArticleView section or in the Report Viewer.

    Articles are HTML formatted files that can contain {macros} and other embedded content which are substituted when displayed.

    Articles are embedded in an ArticleView and are dynamically generated. They can be used in Desktop, Web and Mobile Apps.

    Uses of Articles

    Articles have a variety of uses including:

    Updated 2023-10-16 at 02:41 by barrymavin

    LowCode , HOWTO , LianjaDev , NoCode
  2. HOWTO Working with reports in Lianja 9.4

    A Visual Report Builder is a tool that allows you to create and customize reports from your data without coding. You can use a visual report builder to:

    • Visualize data in different ways, such as charts, graphs, maps, tables, and more. Visualizing your data can help you discover patterns, trends, and insights that are not easily seen in raw numbers or text.
    • Analyze your data from different sources, such as forms, surveys, databases, spreadsheets, or online services. You can filter,

    Updated 2023-10-11 at 12:00 by barrymavin

    LianjaDev , NoCode , LowCode , HOWTO
  3. HOWTO Build a Lianja App using best practices

    Lianja is a low-code Apps platform.

    To reduce coding and speed up your App development you need to understand the Lianja Apps Architecture and follow best practices when building your Apps.

    Lianja is a feature rich development environment which encourages you to build Apps by "thinking" and keeping your coding down to an absolute minimum.

    By following best practices as detailed in this article you will become proficient in developing Lianja Apps quickly. ...
    LowCode , HOWTO
  4. HOWTO Integrate Python and LianjaScript

    LianjaScript and Python integration

    Python is now the most popular programming language in the world.

    LianjaScript is a data-centric scripting language specifically used for developing database applications. It is a modern day superset of Microsoft Visual FoxPRO which was widely praised for its speed and flexibility.

    Lianja has complete two-way integration with Python. You can execute Python code directly from LianjaScript and execute LianjaScript code directly ...

    Updated 2024-03-04 at 01:50 by barrymavin

    LianjaDev , LowCode , ProCode , HOWTO
  5. HOWTO Working with forms in Lianja

    Lianja provides the ability to visually create forms that will run on Desktop, Web and Mobile devices.

    If you come from a VFP background this is the equivalent of the VFP form designer.

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    You can visually build forms that use any of the following scripting languages as the Lianja UI framework is scripting language independent across Desktop, Web and Mobile Apps.

    • LianjaScript/VFP
    • Python
    • JavaScript
    • Typescript

    Updated 2023-06-02 at 07:00 by barrymavin

    LianjaDev , LowCode , HOWTO
  6. HOWTO Use the Lianja Script Editor

    The Lianja Script Editor is a full featured and modern source code editor. It includes support for syntax highlighting, intelligent code completion, code snippets, code folding, intellisense and Intellitips. Go beyond normal Intellisense with "Live" pick lists for cursors, parameter hints for all functions, function and variable discovery and much more.

    Full documentation can be found at:
    LowCode , ProCode , HOWTO
  7. HOWTO Working with Lianja grids

    Lianja grids are highly customizable and flexible. In this article I will explain the magical features and functionality of Lianja grids which is particularly relevant to No-Code and Low-Code developers.

    All of this functionality is available in Desktop, Web and Mobile Apps.

    So let's get started.

    Grid overview

    In its simplest form a grid displays data in rows and columns with the ability to browse millions of records with built in pagination. ...

    Updated 2023-06-15 at 01:24 by barrymavin

    NoCode , LowCode , HOWTO
  8. HOWTO Build standalone executables in Lianja on Windows

    Lianja provides the ability to build standalone executables on Windows.

    This has been a popular request, so we have added in this functionality.

    These executables can only be built for Apps that have been hand coded in LianjaScript, Python, JavaScript, TypeScript or Babel using the Lianja UI Framework.

    This functionality is primarily for building small GUI Apps not for business Apps running under the Lianja App Center under the control of Permissions and Roles.

    Updated 2024-02-05 at 23:17 by barrymavin

  9. HOWTO use the Lianja Cloud Admin Console

    The Lianja Admin Console for Lianja Cloud provides you with everything you need to administer your users, databases, packages, reports and - very importantly - forensics in the cloud. It also contains a real time dashboard that is dynamically updated. This monitors the users connected and the CPU, memory and disk usage. The Lianja Admin Console is a Lianja App so you can open it in the App Builder, study how it is implemented, modify it and enhance it and deploy it to your server.

    NoCode , HOWTO
  10. HOWTO Subclass attributes and delegates in one or more Apps using MetaTypes

    MetaTypes provide a powerful means of defining custom types and then subclassing them in Pages, Sections and FormItems.

    Each MetaType that you define in the MetaType Editor can contain attribute/value pairs as well as delegates and their procedure or function names.

    A MetaType is essentially a 'class' which can be inherited simply by specifying its name in the 'Meta Types' attribute for user interface elements. (Pages, Sections and FormItems).

    For full details

    Updated 2022-02-04 at 04:15 by barrymavin

    LianjaDev , ProCode , HOWTO
  11. HOWTO Setup Lianja backup/restore for use with Dropbox, OneDrive and iCloud

    Setup Lianja backup/restore target directory for use with Dropbox, OneDrive and iCloud.



    mkdir ~\Dropbox\Lianja\data\backups\
    mklink /D \Lianja\data\backups\  ~\Dropbox\Lianja\data\backups\

    mkdir ~/Dropbox/Lianja/data/backups/
    ln -s /opt/lianja/data/backups/  ~/Dropbox/Lianja/data/backups/

    mkdir ~/Dropbox/Lianja/data/backups/
    ln -s /Users/Shared/Lianja/data/backups/

    Updated 2021-12-02 at 23:13 by barrymavin

  12. HOWTO Build a digital dashboard in Lianja

    A digital dashboard is a business intelligence tool that allows business leaders to track, analyze and report on KPIs and metrics. Modern, interactive dashboards make it easy to combine data from multiple sources and deeply explore and analyze the data directly within the dashboard itself.

    You can build a digital dashboard in Lianja without any coding needed.

    In this article I will show you the steps needed to build a dashboard like this.

    Dashboards are made ...

    Updated 2021-11-30 at 05:21 by barrymavin

    LianjaDev , NoCode , HOWTO
  13. HOWTO build a package, upload it and install it in a Cloud Server

    Lianja Package Files (.lpk) are used to package up Apps, databases and Library files to transfer to another Lianja App Builder installation.
    They can also be installed/updated automatically by the Lianja Cloud Server.

    1. Build a package

    You build a Lianja package file (.lpk) in the "Deploy" workspace.

    Click image for larger version. 

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    Note: If you have a project open then the files contained within the project will already ...

    Updated 2021-11-28 at 21:25 by barrymavin

    ProCode , HOWTO , LianjaDev , NoCode , LowCode
  14. Lianja DBA (Database Administrator) cheat sheet

    The Lianja database is a high performance SQL and NoSQL (Navigational data access) database.

    It is embedded in Lianja App Builder, Lianja App Center, Lianja Cloud Server and Lianja SQL Server.

    Despite its powerful features the Lianja database is simple to set up and easy to use.

    It is used in many business critical installations worldwide including banking, defense and logistics.

    A Lianja database is a container holding a collection of tables,

    Updated 2023-11-23 at 22:45 by barrymavin

  15. HOWTO integrate Lianja and VFP with concurrent data access

    Many developers have requested the ability to be able to build modern Web Apps in Lianja while running legacy VFP applications side by side accessing the same data.

    Although this is possible using Lianja virtual tables with the VFP ODBC driver, OLEDB provides better performance and flexibility.

    In Lianja 6.3 we have provided the ability to use OLEDB providers as an alternative means of transparent data access.

    Let’s look at how we can integrate Lianja and ...

    Updated 2022-01-18 at 00:22 by barrymavin

    LianjaDev , NoCode , LowCode , ProCode
  16. HOWTO setup SSL certificates using LetsEncrypt on Linux servers

    if you want to use https to serve your lianja web apps you need an SSL certificate installed and install the Lianja apache module.

    Firstly Install the Lianja apache module.

    This tutorial shows how to setup an SSL certificate on Ubuntu 18.04

    And this on centos 8 and redhat ...

    Updated 2021-11-14 at 21:11 by barrymavin

  17. HOWTO use loadable modules in LianjaScript

    LianjaScript Modules are similar to libraries in that they can be dynamically loaded and contain procedures that may be used in your Apps.

    Modules however encapsulate all procedures, functions and public variables and make these only visible from an object. This prevents name clashes and is a simple way to wrap code libraries into objects without any special coding syntax.

    Modules provide simple (Object-Oriented Programming ) OOP concepts:

    • Objects
    • Abstraction
    • Encapsulation
    • Inheritance
    • Polymorphism

    Updated 2022-01-04 at 03:35 by barrymavin

    LianjaDev , LowCode , ProCode , HOWTO
  18. Understanding UI Data Queries in Lianja

    There are many types of data queries in Lianja Apps. UI consistency is important for onboarding users with minimum training being needed. Providing powerful built-in data querying is an important requirement of a No-Code and Low-Code platform.

    Action queries

    An action query is a query that navigates between records using the ActionBar.

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    Instant Search

    Instant Search allows the user to search the data on ...

    Updated 2021-11-28 at 23:31 by barrymavin

    LianjaDev , NoCode , LowCode , ProCode , HOWTO
  19. Developing PWA Apps in Lianja

    A Progressive Web App (PWA) is a website that can be installed on your device and provide an app-like experience.
    What is a Lianja PWA? Learn more here.

    Lianja supports a wide range of functionality for building Progressive Web Apps (PWA).

    Media capture

    Media capture allows apps to use the camera and microphone of a device. After recording a video you can play it, download it or record another one.

    Capture and upload photos. The ...

    Updated 2021-11-29 at 04:45 by barrymavin

  20. Understanding Responsive UI Apps

    I'm sure you may have heard the term "Responsive UI" used. This article explains what it is and how Lianja handles a responsive UI in more ways than can be imagined.

    Let's look at the functionality built into Lianja to let you build Apps that can run on multiple devices all with possibly different screen resolutions. This is a fundamental feature of LIanja and requires no coding to build Apps with a responsive UI.

    The UI of an App can adjust its appearance based ...

    Updated 2021-11-06 at 05:06 by barrymavin

    NoCode , LianjaDev
  21. Lianja Key/Value Store (KVS)

    Lianja 6.3 introduced a new Key/Value Store (KVS) to support data streaming and IoT applications.

    A key-value database is a type of nonrelational database that uses a simple key-value method to store data. A key-value database stores data as a collection of key-value pairs in which a key serves as a unique identifier. Both keys and values can be anything, ranging from simple objects to complex compound objects.

    KVS is implemented as a collection of functions built into ...

    Updated 2023-10-07 at 08:45 by barrymavin

    LianjaDev , ProCode
  22. No-Code / Low-Code QuickStart in Lianja

    No-code Developer QuickStart in Lianja

    Understanding the Lianja application architecture

    Creating a database and its tables

    Creating an App

    Creating a page

    Updated 2021-11-06 at 05:08 by barrymavin

    LianjaDev , NoCode , LowCode
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