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More are coming with each new release, yet there is no official source of guidelines / tutorials about how users could create their own. …

Is there a reason to use Hold* attributes for functional code (e.g. no intention to mutate input)? I'd expect performance gains as in pass by value vs pass by reference. E.g. data = RandomReal[1, …

Existence of this topic is discussed in this mathematica.meta post. I'm sure I am not the only non-beginner in WL who from time to time finds themselves not being able to predict an outcome of a spec …

Let's say I have a column to display and each of its items can be hidden separately. Question: Is there a way to make it work without re-rendering whole column whenever a particular item is hidden? W …

What are official restrictions about FormFunctions/general deployment contents? There are problems with many things which sometimes I have workarounds for but I see no general pattern. Edit: I mov …

I moved the second issue to a separate topic: 162013 Please run the code sample As you can see there is a delay between the moment the calculation is finished and when the graphics is shown. And duri …

The very bottom of CellMargins is missing Further reading Guidelines for planning custom GUI in Mathematica …

Too long? Go to Problems section Background I like to learn by doing small, sometimes artificial, projects. Among other things I had 'parsers', and 'stream methods / streams in MMA' on my to learn l …

Cross posted on community.wolfram.com (new comments) TLDR There is a pool of kernels/sessions available for each user, you don't have control over the pool only over specific kernel you currently ev …

Shortly, definitions in form of e.g. x:= RandomReal[] have to be avoided inside DynamicModule[{x}, ...]. Why?, this Prints immediately: DynamicModule[{x}, x := Print[1]; {}] It hit us hard in the pas …

The main question is in the title. Here are subtopics I'd like to focus on: Is there a tutorial related to them anywhere in documentation? How can I check what are current values of e.g. ButtonBoxOp …

What is on topic here Links to guidelines making GUI creation process more stable, predictive. Links to guidelines on how to achieve robust dynamic performance of GUI-s. …

Sometimes it is convenient to work in your package/app with "objects" like: childObject = <| "id" -> 284, "text" -> "texttext", "property" -> <| "type" -> "String", "content" -> "test" …

So while thinking about Replacing numbers of which you only know certain digits I have faced, again, a problem that I find hard to extract from RealDigits' output something I want, what should be natu …

I know this is a little opinion based, but so is Mathematica style guide and similar topics. The issue is important so I think this topic will be beneficial for future visitors. Q: So lowerCaseFunc …