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Recently we are seeing issues with the classic material flow. In particular the attach event is not working although it is properly...

The latest and greatest ANTLR ( https://www.antlr.org/download.html ) version is here. Hurray! As you probably already know this is the...

How do you arrange the elements of an array in ascending/descending order? This trivial problem has an even more trivial solution - you...

What are literals? These are the constant values that we use in the code. Examples are: numbers ( 1 , 2 , 10#1 , 16#FF , 8#77 , 3.14 ,...

If your experience is mainly with OLP you are probably quite used to waiting for signals to change in your code. It is a natural thing to...

I already have a post ( https://ifiziev.wixsite.com/psinside/post/semantic-code-validation ) related to code validation but back then...

Snippets are standard across programming languages. They are small portions of text that can easily be inserted while you type. The text...

If you recall, some time ago I showcased the usage of a custom motion profile on joints. It was just a function that calculates the...

Expressions are everywhere - we use them when expressing conditions, formulas, logic. But how do we position them in the code? We...

We all know that values are assigned to variables using the assign (:=) operator. But do you know that the assign operator may be used...

You already know how to add new functions, function blocks and data types using the script. It is easy - just import the related text...

Introspection means extracting semantic (meaningful) information from the code. For example: getting variable names, type names, default...

When you need to compare two integers for equality you use the equality (=) operator in SCL. This is so intuitive that it hardly needs to...

Scripting is nice. I think we all agree with this statement. It would be even nicer if we can automate the process of creating scripts....

I get this question from time to time. At first I was puzzled. It is so natural for a debugger to be implemented this way. What do they...

How does text highlighting work in an integrated development environment? Tough question ... The straight-forward approach would be to...

Now that we have the distance sensor available, we can extend its usage and implement a velocity sensor (radar). Just like the distance...

How do we check if the position of a 3D point is above or below a given 3D plane? This is a classic math problem and it has a well known...

It has been a while since we allow the usage of arrays in SCL but initialization was a pain until now. Usually you had to populate the...

Traffic lights are simple devices that are quite common but do you know how they work? In this post I'll try to implement a traffic light...