Displaying 4 results from an estimated 4 matches for "test_db".
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2010 Feb 09
1
Help on R functions
.... dbtablename"))
return(dim(initdata))
}
I have written this function which has input parameters like servername
,dbname and dbtable to connect to Ms SQL server 2005 and get data from the
table.
Now when I run this function using the following command
myfunction("01wh155073","test_DB","test_vikrant")
The variable initdata should contain all the data. But it does not contain
any data and dim(initdata)) is NULL.
I dont know how to pass the strings as parameters in the function. Do I
have done this correctly?
If I run the same commands directly from the command...
2004 Dec 19
1
Can I calculate the area of a polygon?
Hello,
I'm verry new in R.
My Problem:
I have a PostgreSQL-Server with installed support for the R-Language.
And now I have a table with a Polygon like this:
test_db=# select * from geo where id=1;
id | koerper
----+---------------------------------
1 | ((0,0),(0,2),(2,2),(3,3),(5,0))
(1 row)
Now, I need to know the area of this object. Please, can you tell me, if
it possible to use the installed plr - Language zu calculate the area?
I have som...
2012 Apr 10
4
TinyTds::Client.new() gives an error "undefined symbol: dbsetluser"
...t install freetds-dev
>gem install tiny_tds
And now when I executed
@client = TinyTds::Client.new(
:username => ''username'',
:password => ''password'',
:host => ''192.168.1.45'',
:database => ''test_db'',
:login_timeout => 5,
:timeout => 5
)
, it gives an error
"ruby: symbol lookup error:
/usr/local/lib/ruby/gems/1.8/gems/tiny_tds-0.5.1/lib/tiny_tds/tiny_tds.so:
undefined symbol: dbsetluser".
Could you please help me out to find a solution to this problem.
PS:...
2006 Jul 31
4
switching database dynamically based on incoming request
So I have this idea to reduce code replication in our rails setup.
Currently we have our rails app serving two distinct sites, soon to be
three. At the moment we check out a separate set of code for each site,
and configure it by adjusting the database setting and some config files
that pull in separate style sheets.
To remove this replication I''d like to have a single codebase, but