2.1.1 Top new questions this week

2.1.1.1 Messages leak out from Block

http://mathematica.stackexchange.com/questions/73458/messages-leak-out-from-block

 
When assigning message to a symbol localized by Block, I would expect 
that this message is not accessible outside of Block, but I observe 
different behavior: 
 
ClearAll[x] 
Block[{x}, x::test1 =  ...
 

- asked by jkuczm (12 votes), answered by Mr.Wizard (6 votes)

2.1.1.2 Copy Built-in function to new name

http://mathematica.stackexchange.com/questions/73454/copy-built-in-function-to-new-name

 
It is know that some built-in functions are system function and changing 
their properties may cause trouble. 
 
Suppose for example I want to change features of Cases: 
 
SetAttributes[Cases, HoldFirst] 
 
 
...
                                                                                  

                                                                                  
 

- asked by Algohi (10 votes), answered by Mr.Wizard (8 votes)

2.1.1.3 Possible bug: Quantity[2,"meters"] returns 2 None meters

http://mathematica.stackexchange.com/questions/73259/possible-bug-quantity2-meters-returns-2-none-meters

 
I'm using 10.0 for Linux. 
 
Trial 1: 
 
Quantity[2,"meters"] 
2 None meters 
 
 
Trial 2: 
 
Quantity[2,"Meters"] 
2 meters 
 
 
Trial 3: 
 
Quantity[2,"meters"] //InputForm 
Quantity[2*None, "Meters"] 
 
 
It seems  ...
 

- asked by Jacob Schwartz 10votes

2.1.1.4 How does $CellContext` work?

http://mathematica.stackexchange.com/questions/73530/how-does-cellcontext-work

 
The only official info about $CellContext` I was able to find is: 
 
 
placeholder for the context of a symbol inside Dynamic 
 
 
from StandardNamespaces 
 
I have some intuitive understanding how it works  ...
 

- asked by Kuba (9 votes), answered by Kuba (5 votes)

2.1.1.5 Solve a PDE over a region defined by a Bezier patch

http://mathematica.stackexchange.com/questions/73350/solve-a-pde-over-a-region-defined-by-a-bezier-patch

 
I am using NDSolve to find the solution to a PDE over an arbitrary 
domain. The domain is specified by a Bezier patch. 
 
pts = {{{10, 0}, {0, 30}}, {{15, 10}, {8, 30}}, {{25, 37}, {20, 
37}}, {{35,  ...
 

- asked by cfdguy (9 votes), answered by Michael E2 (3 votes)

2.1.1.6 Triangular mesh of random points on a sphere

http://mathematica.stackexchange.com/questions/73354/triangular-mesh-of-random-points-on-a-sphere

 
My employer with a new logo (shown below). I do not have information on 
how this was created (as it was done by an outside company), though I'm 
fairly sure it was not done in any formal mathematical  ...
 

- asked by user1375062 (9 votes), answered by ybeltukov (15 votes)

2.1.1.7 Slow work of SQLInsert with MS SQL Server in V10

http://mathematica.stackexchange.com/questions/73444/slow-work-of-sqlinsert-with-ms-sql-server-in-v10

 
This question is very similar to: 
Slow work of SQLInsert with SQLite, but for MS SQL Server. Unfortunately 
the use of SQLBeginTransaction and SQLCommitTransaction do not improved 
the performance as in  ...
 

- asked by Murta (8 votes), answered by Murta (8 votes)