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Results tagged with front-end
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user 5
Questions related to the Mathematica front-end (graphical user interface).
2
votes
Accepted
How can selection of delimiter matches be disabled?
The delimiter highlighting time is controlled by the option DelimiterFlashTime, which can be set for a cell or a notebook or the entire front end. You can lower the value (default 0.3 seconds) or disa …
- 89.3k
8
votes
Accepted
How to release $Mathematica$ from the $Pre HoldAllComplete lock
There's nothing that can break out of a HoldAllComplete as long as it has to pass through the kernel. But what if we had a way to bypass the kernel? Hmmm... buttons!
I suggest using the following bu …
- 89.3k
17
votes
Accepted
How to Print to the Console
The "Messages" window or the console is just another notebook, referenced by MessagesNotebook[]. So to print directly to that, use:
Clear[PrintToConsole]
PrintToConsole[expr_] := (SetSelectedNotebook …
- 89.3k
12
votes
Accepted
Why are some functions available without having to load their parent package?
If you look at their Contexts, you'll see that all of them are in the System` context and not the GraphUtilities` context.
Context /@ {GraphDistanceMatrix, CharacteristicPolynomial, AdjacencyMatrix}
…
- 89.3k
4
votes
Mathematica Opens Each Session With Beep
I'm almost certain that the reason is due to a missing stylesheet (or a file that's linked to from a notebook). When you use a custom stylesheet for a particular notebook, you'll find something like t …
- 89.3k
16
votes
Take screenshot of the entire desktop using Mathematica
GUIScreenShot[] (without arguments) works perfectly fine on my Mac, although the front end syntax highlighter indicates a missing argument. As a workaround, you can explicitly give it the dimensions o …
- 89.3k
18
votes
Accepted
How to change the style definitions for Default.nb?
You cannot save to Default.nb by default, because it has Savable set to False and it is a good idea to not forcibly modify this file. Instead, create a private stylesheet as you have done here and put …
- 89.3k
12
votes
Accepted
Is there a callback for notebook exit?
You can use NotebookEventActions for this. For example, evaluating
SetOptions[EvaluationNotebook[],
NotebookEventActions -> {"WindowClose" :> CreateDocument[]}];
in your current notebook will …
- 89.3k
6
votes
Accepted
How to keep track of notebook dimensions
You can use CurrentValue for this. Evaluate the following and try resizing your notebook window:
Dynamic@CurrentValue["WindowSize"]
- 89.3k
10
votes
Accepted
Is there a way to control V10's undo length?
NOTE: I forgot about this. Apparently, the following should (presumably) be the way to change these settings, but the actual feature has not been implemented yet.
You can change this using Und …
- 89.3k
53
votes
Accepted
Automating Esc [[ Esc formatting?
Some approaches are discussed in this question on StackOverflow. Original references to these go to Szabolcs's webpage and a MathGroup posting by Mr.Wizard.
To summarize, you copy the file: $Install …
- 89.3k
22
votes
Accepted
Saving my code before cell evaluations: Insurance against front end hanging
The following definition to $Pre will save a copy of your notebook as filename.nb.backup.nb, where filename.nb is your original notebook and strip it of all output cells every time you evaluate a cell …
- 89.3k
35
votes
4
answers
1k
views
Usage of \[InvisibleApplication] and other related invisible characters
From the front end, \[InvisibleApplication] can be entered as Esc @ Esc, and is an invisible operator for @!. By an unfortunate combination of key-presses (there may have been a cat involved), this cr …
- 89.3k
30
votes
Special Mathematica Cell to work with R code
The following is a style for an R cell, inspired by this answer. You can add this to your stylesheet (change the styles to your liking):
Cell[StyleData["R"],
CellMargins->{{66, 10}, {5, 10}},
…
- 89.3k
13
votes
Accepted
Why isn't autosave enabled by default?
At Mr. Wizard's urging, I'll post my reasoning for why this is not enabled by default (and should never be, for Mathematica):
Mathematica does not have more than 1 undo, period. This is perhaps the …
- 89.3k