23
votes
Accepted
Shell Emulation inside Mathematica
First of all, I agree, as OP mentioned in his comment, ANTLR is one of the proper ways to go.
Now for this specific task, it might be easier to just compose a parser in the "dirty" way, except we don'...
- 27.1k
22
votes
What are "\<" and "\>" delimiters in box expressions?
This syntax was deprecated in the version 6.0 era. According to the legacy documentation,
For example, in version 5.2, the following strings are interpreted differently
...
- 25.4k
21
votes
Accepted
What is FrontEnd`AttachCell?
##Intro
One day I was playing with Developer` package and found DateSetter which uses some kind of floating elements that I ...
Kuba♦
- 135k
19
votes
Accepted
How do I get the timing of an evaluation after it has already finished?
The case when the evaluation is finished
Some of my calculations take hours or even days, so I don't want to restart the entire evaluation just to add Timing[] to ...
- 61k
17
votes
Accepted
How to change the font color of a variable in whole input cell
You can use this to create a functionality which will fit your need the best.
Here's how you can preview your input cell with c highlighted ...
Kuba♦
- 135k
17
votes
Accepted
How can I clean up a notebook?
Update
I have incorporated Kuba's improvement into the code.
Here is how I would do it.
In a working notebook (not the target notebook) put the following code.
...
- 107k
16
votes
Accepted
ShowGroupOpener's behavior change in 11.3
TL;DR;
To set ShowGroupOpener on a global level, previously done by CurrentValue[$FrontEnd, ShowGroupOpener] = True, now use:
<...
Kuba♦
- 135k
15
votes
How do I get the timing of an evaluation after it has already finished?
Evaluate
SetOptions[$FrontEnd, EvaluationCompletionAction -> "ShowTiming"]
and then the evaluation time for the last evaluation will be shown in the ...
- 66.3k
13
votes
How to copy and paste $n$ lines from a text editor to $n$ cells?
It is not straightforward to access the clipboard contents but one way, that doesn't involve writing and reading from temporary notebooks is to use the undocumented ...
- 3,436
13
votes
12
votes
Set the style of a cell
I don't know if any of them can be callled documented but I know three ways to do this:
mentioned above:
FrontEndToken way:
...
Kuba♦
- 135k
12
votes
How can I clean up a notebook?
Another possibility is to modify the notebooks style sheet by defining a new "Screen Environment" that hides cell brackets and closes input cells:
...
- 127k
12
votes
Accepted
How to open a Python interpreter input cell?
Type > at the start of a cell (or when between cells). This is documented in an example on ref/ExternalEvaluate (last Basic Example). I'm a bit suprised it's not in the details section. It probably ...
- 13.9k
11
votes
Accepted
How to programmatically mark and then select a subset of input cells?
There is a special cell attribute called CellID. I would suggest using this instead of cell tags to avoid the problem that you mentioned with cell tags being ...
- 69.5k
11
votes
Accepted
What are "\<" and "\>" delimiters in box expressions?
Thanks to andre's comment (where this link is provided), I now see the effect of those delimiters (I tested it in Mathematica 11 and also some earlier versions). When I add 2 newlines to the box ...
- 7,103
11
votes
Select Only Printed Out Cells
Here is a quick way of doing it:
NotebookFind[nb = EvaluationNotebook[], "Print", All, CellStyle];
CreateDocument[NotebookRead[nb]]
- 37.2k
11
votes
Accepted
Delete all output in notebooks
Print and Message and so on are generated cells, like the output from evaluating input. This, from the docs for ...
- 37.2k
11
votes
Accepted
New input cell style with a custom evaluator
You can use StyleKeyMapping to easily switch back and forth from "Input" cells to your "CustomInput" cell. For example:
...
- 127k
11
votes
Accepted
10
votes
Accepted
How to make a dynamic nested menu?
Here's beta version, basic functionality is delivered. I have to polish it but probably I won't have time for that this year. It has to be packed into self contained module and styling options have to ...
Kuba♦
- 135k
10
votes
What are "\<" and "\>" delimiters in box expressions?
Summary of the all available information
In the hoarier days space-like characters (spaces, newlines, tabs) inside strings were interpreted on input in an odd way: for example single newlines ...
- 61k
10
votes
Accepted
Run several input cells in parallel
You don't have to write all your code within ParallelSubmit. You can wrap your code in Module or ...
- 64.5k
10
votes
Accepted
Increasing notebook magnification pushes output onto a new line
You can increase the CellMargins for the styles "Input" and "Output" in your style sheet to accommodate the increased size of the cell labels. For example, the ...
- 127k
10
votes
Accepted
Is there a way to obtain the time when an input was executed in a notebook?
Update
It turns out that there is a much simpler method than my previous answer. If you need the actual cell label value, than I think messing around with the ...
- 127k
10
votes
Accepted
How insert into Text cell chevron symbols used for Inline GroupOpener icons?
Those symbols are in fact special characters:
Row@{"\:f442", "\:f443"}
- 32.1k
10
votes
Accepted
A way to contract input in Mathematica
From comments, these are the two options
Use cell/open/close
Use Iconize, as suggested by Carl Lange, which I think is a better option, since you still see the LHS of the assignment and so know what ...
9
votes
Any way to make my equations look better, more Latex like?
You can use MaTeX to get $\LaTeX$ formatting directly:
MaTeX["\\frac{1}{N}{\\sum _{i=1}^N \\frac{\\tilde{x}_j^i(k|k)}{\\sqrt{P_{\\text{jj}} (k|k)}}}"]
...
- 231k
9
votes
Accepted
Notebook cells space on disk profiler
Here is another try, this time more close to what you actually wanted: It generates a list of buttons for the largest cells (button is labeled with size in kB). If you press a button, the ...
- 23.5k
9
votes
Syntax highlighting in text cells
According to this answer, there is a way to make an inline cell with automatic syntax highlighting. For example we can create a "Text" cell containing an inline <...
- 61k
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