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 evaluation
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Mar
10
awarded  pattern-matching
Mar
9
revised Can a pattern examine all partitions of a sequence?
edited body
Mar
9
answered Can a pattern examine all partitions of a sequence?
Mar
4
comment Fill Dataset value with result of queries on other Datasets
@alancalvitti I am using 10.0.2. In my first alternative I get an invalid result (with Missing elements) if I use KeySort. The query plans are different, reflecting the fact that KeySort is ascending and KeySortBy is descending. In my second alternative, it does not matter whether the operator is ascending or descending, so I just use the shorter-named ascending KeySort.
Mar
4
answered Fill Dataset value with result of queries on other Datasets
Feb
28
revised Adding Trace produces error messages
added 4 characters in body
Feb
28
answered Adding Trace produces error messages
Feb
24
awarded  Good Answer
Feb
24
comment Can someone explain this snippet: (#[#] &)[#[#][#] &]
@MartinJohnHadley I added the phrase "infix operator for function definition", along with a link to the documentation page.
Feb
24
revised Can someone explain this snippet: (#[#] &)[#[#][#] &]
by request, added the phrase "infix operator for function definition" to serve as a target for searches
Feb
19
comment Change Values in Dataset under Condition
The workaround should only take effect if there is an explicit reference to noTypes. Do you have a counterexample? In any event, ClearAll[noTypes] will remove the definition. Also, restarting your session will clear it unless you have added to your init.m.
Feb
19
comment Context of localised (dynamic) symbols
@Kuba Thanks for that link -- I had not seen that question. I have added a reference to it at the part in which I said "I dunno what $CellContext does". I'm not sure that I can add to the discussion to be found at that question.
Feb
19
revised Context of localised (dynamic) symbols
added a link to a posting about $CellContext (thanks to @Kuba)
Feb
19
revised Context of localised (dynamic) symbols
minor tweaks
Feb
19
revised Context of localised (dynamic) symbols
edited body
Feb
19
comment Context of localised (dynamic) symbols
@Kuba I don't know of any section in the documentation that pulls all of the recommendations together. There a bits and pieces scattered about in the sections about variables, packages, and the internals of Mathematica. I can also recall some rather lengthy essays and presentations by Stephen Wolfram on the subject. So I guess my so-called recommendations are actually just me trying to summarize my understanding of de facto established practice.
Feb
19
comment Context of localised (dynamic) symbols
@halirutan I took a crack at describing the DynamicModule behaviour. Now I need to lie down :)
Feb
19
revised Context of localised (dynamic) symbols
I added the sections related to dynamic modules and scoping.
Feb
18
comment Context of localised (dynamic) symbols
I realize that there is still more to be said about the double-evaluation and double-scoping of DynamicModule, but I've run out of time to extend this post at the moment :) I figured that I would post it anyway since it is too long for comments.
Feb
18
answered Context of localised (dynamic) symbols