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Apr
12
comment How to switch from array to string?
Elegant! You can use StringDelete[..., "{" | "}" | ","] instead of StringTake.
Apr
10
comment How to set focus of a dialog window?
@Kuba This seems interesting, but do you possess any further information about where, how, and who uses ReferenceBox* and BoxReference* functions? It is hard to experiment with them without any pointer on what they do.
Apr
10
reviewed Leave Open How can I speed up this NM optimization? Most delay seems to be due to long analytic expression
Apr
10
reviewed Leave Closed Writing a function with variable arguments
Apr
9
revised ? (Definition) versus ?? (Information)
edited tags
Apr
9
answered ? (Definition) versus ?? (Information)
Apr
9
reviewed Close Building a 1 page “Scorecard” in mathematica
Apr
9
comment Building a 1 page “Scorecard” in mathematica
How to Work with Tables; Grids, Rows, and Columns overview; Layouts & Tables; User Interface Structuring & Layout; Grids & Tables;
Apr
9
reviewed Close Simplify with assumption of unknown function
Apr
8
reviewed Leave Open Laplace PDE in a polar coordinate system
Apr
7
comment Compile, “global variables” and recursion
@Marius No, unfortunately. My usual approach nowadays is to just write computation-intense code in C and only do top level or data-analysis under Mathematica.
Apr
7
comment How to stop Mathematica from turning .02 into 0.019999999999999997`
@MichaelE2 Perhaps a duplicate of this: The difference between 0. and 0? It has a lot of good answers patternmatching-wise.
Apr
7
awarded  Good Question
Apr
7
comment Compile, “global variables” and recursion
Perhaps related: Compile recursive function modifying global variables.
Apr
6
comment Faded output is printed from dynamic object
... Later on at some point, the behaviour has been changed, but I don't know when. Perhaps version 7?8? It indeed groups now as one would expect when set to Automatic, and it does not mess up my files as it happened with previous version. Was this change documented? Or am I completely missing something here?
Apr
6
comment Faded output is printed from dynamic object
@John Years ago when I started to use it the mainstream approach was not to group cells at all (at that time, it wasn't even possible to collapse an input-output-pair to show the output only). By manual grouping I could group the way I liked. Ultimately, I've put the option into my autoload init.m. Also, when I've set it to Automatic globally and opened a notebook with previously set and saved cell grouping, it was gone and had to either regroup cells, or close and open the nb after resetting FE-level grouping to manual (e.g. after version upgrades where my settings were not kept)....
Apr
6
comment How to stop Mathematica from turning .02 into 0.019999999999999997`
If you want exact numerics, use exact numbers: 2/1000 instead of 0.002 and avoid N.
Apr
5
revised Ordered associations
code typo
Apr
4
reviewed Close Bug report: Attempting to Save Selection As… in a magnified Notebook fails with errors
Apr
4
reviewed Leave Open How can I create a phase plane?