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:content {:text "users write programs by directly manipulating their visual representation. "},
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:content {:text "The visual notation can take up a lot of screen real estate; the mitigation for this is to elide detail, e.g., by requiring a configuration pane or via modular language constructs [3 , 27]. Even the palette can get too full, hindering discoverability, which can be mitigated by search facilities. A drawback of visual languages compared to textual languages is that they tend to be co-dependent on their visual programming environment, hindering the use of basic tools such as diffing or search, or of third-party tools such as linters or code generators"},
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:content {:text " Programming by demonstration"},
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:content {:text " useful if executing it does not yield exactly the same behavior as the initial demonstration, but rather, generalizes to different data. "},
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:content {:text "little difference in the Read and Execute columns: users read programs on a code canvas (if provided), and watch them executing on the stage (if visible). That hints at an opportunity for reusing building blocks across tools for different techniques."},
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:content {:text "A core goal of low-code programming is to reduce the need to learn a programming language. Citizen developers can demonstrate a program or describe it in natural language without having been taught how to do so. Visual programming, on the other hand, is often not quite as selfexplanatory, which is why Figure 1 associates it more with semi-developers. On the other hand, depending on the user’s attitude, the need-to-learn can also be a positive aspect, since it grows computational thinking skills."},
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:content {:text "All three low-code techniques from Section 3 are intrinsically related to domainspecific languages (DSLs"},
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:content {:text " When multiple views are present, the system keeps them in synch with a single joint model, and through that, with each other. Edits in one view are projected live to all other views. The model is a program in a domain-specific language (DSL). As discussed previously, the DSL may or may not be exposed to the user, and may or may not be embedded in a host programming language. Optionally, the system may even expose the textual DSL as another view, for instance, in a structure editor [37]. Besides the model and the view, the third part of the MVC pattern is the controller, which, for low-code, can contain a player and/or a configuration pane"},
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