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Victor K.
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Top Questions
201
votes
Help find a bright object on Mars!
image-processing
asked Oct 10 '12 at 3:52
mathematica.stackexchange.com
25
votes
Detecting patterns of black and white stones on a 2D board
programming
pattern-matching
algorithm
asked Apr 23 '14 at 3:08
mathematica.stackexchange.com
24
votes
Non-greedy string regular expression matching
regex
r
stringr
asked May 16 '13 at 1:03
stackoverflow.com
20
votes
Applying a function to each row of a data.table
r
data.table
asked Mar 28 '13 at 3:17
stackoverflow.com
17
votes
Problem with ParametricPlot
plotting
asked Jul 19 '12 at 5:25
mathematica.stackexchange.com
14
votes
Proving inequalities with Mathematica
equation-solving
computational-geometry
inequalities
proof
asked Jun 12 '12 at 4:55
mathematica.stackexchange.com
13
votes
Connecting to MS SQL Server from R on Mac/Linux
r
rjdbc
asked Jan 25 '13 at 0:13
stackoverflow.com
11
votes
Are there performance/other downsides in creating a new RJDBC connections to MS SQL database for each request?
sql
sql-server
r
shiny
rjdbc
asked Aug 31 '13 at 21:12
stackoverflow.com
7
votes
data.table NOT summarizing properly by two columns
r
data.table
asked Feb 25 '13 at 21:54
stackoverflow.com
6
votes
How to preserve Dataset's pagination inside Manipulate?
manipulate
dataset
asked Apr 4 '19 at 4:48
mathematica.stackexchange.com
1
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Top Answers
40
How to produce stacked bars within grouped barchart in R
stackoverflow.com
20
Transpose a List of Lists
stackoverflow.com
19
How can I run my shiny app without calling library(“shiny”) beforehand?
stackoverflow.com
14
Perform a semi-join with data.table
stackoverflow.com
11
How can I list all tech note pages?
mathematica.stackexchange.com
9
Convex hull ggplot using data.tables in R
stackoverflow.com
8
data.table NOT summarizing properly by two columns
stackoverflow.com
7
RestKit willMapData:
stackoverflow.com
6
How can I do an animated switch to UISplitView?
stackoverflow.com
6
Metaprogramming with ggplot2
stackoverflow.com
6
Can a developer make an app that can be controlled with Siri?
apple.stackexchange.com
6
Why subset returns only odd-numbered rows?
stackoverflow.com
6
Detecting patterns of black and white stones on a 2D board
mathematica.stackexchange.com
6
How to merge dataset rows conditionally?
mathematica.stackexchange.com
6
Derivative with prime for vector-valued function
mathematica.stackexchange.com
6
VertexContract and contraction of vertices of degree 2
mathematica.stackexchange.com
6
Ascending and descending in the context of the order of operations on Datasets
mathematica.stackexchange.com
5
collapsing by groups and calculating n in data.frame using R
stackoverflow.com
5
Summarize a data.table across multiple columns
stackoverflow.com
5
subsetting data using multiple variables in R
stackoverflow.com
5
data.table and table unexpected behavior
stackoverflow.com
5
Can I still use xcdatamodel core data model relationships with Restkit?
stackoverflow.com
5
What Exactly are Anonymous Files
stackoverflow.com
5
Generating long binary lists fast?
mathematica.stackexchange.com
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