similar to: Is validates_presence_of() deprecated in Rails 3?

Hello All, I am using virDomainSetBlockIoTune() API to set the IO tune parameter for a running guest VM. I observed that after setting the value succesfully i ned to Shutdown and start the VM inorder to take the set value in effect. Is there any way with which these values come in effect in the same session of the VM without Shutting down and starting the VM. Please help regards, Vikrant

Dear All, I want to connnect R with oracle. I am using RODBC package for this connection. Following is my code to connect library(RODBC) channel <- odbcConnect("Vikrant") I am getting following error. 1: In odbcDriverConnect("DSN=Vikrant") : [RODBC] ERROR: state NA000, code 12288, message [Microsoft][ODBC driver for Oracle][Oracle]ORA-12514: TNS:listener does not

Hi all, I want to submit the content of a form by mail. I don''t want to save it into a DB. How can I validates the content of this form with validates_presence_of ? Thank you. Damien

i am unable to open a file which is saved as .xlsx format in R . The file contains approximately 1,50,000 rows. So I m not able to save it as csv file.Please suggest ways to open this file -- View this message in context: http://n4.nabble.com/how-to-open-excel-2007-xlsx-file-in-R-tp1017273p1017273.html Sent from the R help mailing list archive at Nabble.com.

This is some feedback for rubyonrails.org. My apologies if this is the wrong forum to bring this up, but I wasn''t able to find a "Contact us" link on the site. As of this writing, if I go to Google and search for "active record observer validations", the top 2 results are: http://guides.rubyonrails.org/active_record_validations_callbacks.html and

Can I save R graphs as a R objects ? IF yes then if I click this R object can I edit my chart as in Excel. Please suggest your views -- View this message in context: http://n4.nabble.com/Can-I-save-R-graphs-as-a-R-objects-tp1014621p1014621.html Sent from the R help mailing list archive at Nabble.com.

Anyone got any idea of how to use built-in validation methods in a mixed-in module. What I''ve got at the moment is each class that needs ranking methods includes [the module] Ranking. Then the module Ranking has a bunch of instance methods and a submodule ClassMethods. The ClassMethods in this are mixed in to the class with self.included. So far so good. But I want the module to

ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.3.0] Rails 3.2.13 I have a validates ... :uniqueness constraint on one of the attributes of an ActiveRecord class. In my test suite, I set the attribute from the same attribute in a record in the fixture. I then send invalid? to the object under test. invalid? returns _false_, and the .errors object for the record shows no errors. A

On 27.05.2013 12:36, vikrant verma wrote: > Hello Michal, > > I am using the following code - > > virDomainSetInterfaceParameters(dom, "vnet0", networkParainfoPtr, > nparams,0); > > before calling this i am assigning the following Inbound values > > inbound.average = 10 (10 kbps) > inbound .peak = 10 > inbound.burst = 10 I suspect this way too

Suppose I am reading data from a file and the data contains some outliers. I want to know if it is possible in R to automatically detect outliers in a dataset and remove them -- View this message in context: http://n4.nabble.com/How-to-detect-and-exclude-outliers-in-R-tp1017285p1017285.html Sent from the R help mailing list archive at Nabble.com.

Hi, I want to disable textbox in my page so that user can not modify its contents. How can we do that in ruby? Thanx, Prash -- Posted via http://www.ruby-forum.com/.

Hi, I want to estimate parameters of weibull distribution. For this, I am using fitdistr() function in MASS package.But when I give fitdistr(c,"weibull") I get a Error as follows:- Error in optim(x = c(4L, 41L, 20L, 6L, 12L, 6L, 7L, 13L, 2L, 8L, 22L, : non-finite value supplied by optim Any help or suggestions are most welcomed -- View this message in context:

Hi All, I am setting the value for "read_bytes_sec" using the following API code virDomainSetBlockIoTune(dom, "/mnt/tmpsdb/FileVM1", parainfoPtr, nparams, 2); I am succesfully able to set this value and i can read it back using the API virDomainGetBlockIoTune(dom,"/mnt/tmpsdb/FileVM1",parainfoPtr,&nparams,2); But after setting this value when i shutdown

On 31.05.2013 07:05, vikrant verma wrote: > Hello Michal, > > Throttling is working now after setting inbound.average = 10 (i have > set other values to 0 ) > But i am observing an inconsistent behavior in the observed throttling > bandwidth > > when i set inbound.average = 10 , i observed bandwidth of 24 kbps > when i set inbound.average = 100 , i observed

Dear All: I would like to center the data in 'x' by 'group'. The following code scale the data and I have not been able to figure out how to change it so I get the centered data. x <- c(1, 2, 3, 4, 5, 6, 7, 8) group <- c(1,1,1,2,2,2,2,2) unsplit(lapply(split(x,group),scale),group) I would appreciate your help. Ashraf

Hello people, I''d like to detect whether an attribute of a model has vaildates_presence_of applied to it so I can automatically apply a mandatory (*) to the field...it doesn''t look easy...any ideas? Cheers, -- Dan Webb http://www.danwebb.net

Hi All: I have to compute bootstrap confidence intervals, the statistic (incremental cost effectiveness ratio) is computed from two samples (intervention and control) of different sizes. All the bootstrap functions that I have seen use one dataset as argument. I may go ahead and get the desired number of bootstrap replications separately. I would appreciate if you could point me to a source of a

I want to call R functions from Java. I read a couple of forums that said to install package rJava in R. However I am not able to install rJava package in linux Ubuntu.I tried with two commands. One is install.packages("rJava") and another I downloaded the rJava_0.7-0.tar.gz file from R site. and gave the command R CMD INSTALL rJava_0.7-0.tar.gz. I got the followin Errors :- Warning

---------- Forwarded message ---------- From: Arun Kumar Chaudhary <uniquearun04 at gmail.com> Date: Sat, Jun 21, 2008 at 4:51 PM Subject: Detection of Answer, hangup,busy etc while using Dial command To: asterisk-users at lists.digium.com. Hi Guys, I am in kanpur, India. I am using Dial() command in my phpagi script. I am unable to detect whether it is connected to the dialed number, if

Hi Everyone, I hope I get some feedback on my question. Here it goes. I have a situation here, I have a company table and then using Single Table inheritance it is of 3 types: class Company < ActiveRecord::Base end class Vendor < Company end class Customer < Company end class Agent < Company end Now I have a active record Association class QuoteSheet < ActiveRecord::Base