To create user-friendly documents, you often need to hide a gridline or header, protect certain cells, or simply change the line color to respect the corporate identity. With 4D v18 R3, you can do all this and more with the new VP SET SHEET OPTIONS command.
Have you ever needed to use multiple web servers in order to, for example, split your web application code into several business units, or separate the administrator’s web server from the user’s or run an old part, not preemptive-ready yet, in a separate instance, allowing the main part to run preemptive?
If you’re nodding your head yes, then keep reading because 4D v18 R3 allows you to do so … with ease.
In a previous R-release, we added two new automatic themes to define font and the font size, so there are three automatic themes at your disposal which respect the guidelines of each platform. To design your interface, the automatic theme is the recommended way to go with each form object using the font and size recommended by the OS.
In some cases, you may need more control and have valid reasons to ignore the guidelines. With 4D v18 R3, you can override the size of the automatic themes and have more control over how your text is displayed.
How many times have you gotten the “Not supported value type in a shared object” error when trying to put an object into a shared object?
What did you do? Write longer code to turn your innocent object into a shared one, perhaps iterating over all of its properties?
How about transferring a shared object from one shared group to another?
An interesting thing about objects: you already know they can be used as a hash map (a key/value system), but what about gettings all the keys or all the values with a single line of code?
Keep reading, because 4D v18 R3 is out and brings good news!
Very cool stuff is coming in 4D for iOS with 4D v18 R3! To make a long story short, 40+ ready-to-use templates are at your disposal and you have access to an additional integrated Gallery which can be used directly from the project editor. The gallery is based on a dynamic list of up-to-date templates from GitHub. Feel free to use and test the templates and even share your own custom-designed templates with other developers!
XPath is a language allowing you to easily work with your XML documents. It’s already usable via the DOM Find XML element command and with 4D v18 R3, the support of the XPath syntax has been drastically enhanced. If you’re among those who requested features such as using a wildcard in a path, then keep reading!
In a previous blog post, we introduced a very important concept in object-oriented programming: Classes. Now we’ll go through another core concept: Inheritance, the mechanism that allows a class to acquire the behavior of another class.
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