similar to: Strange problem.

e.g. class Asset < ActiveRecord::Base validates_presence_of :asset_number, :make, :model, :location, :name, :serial_number validates_numericality_of :asset_number validates_uniqueness_of :asset_number belongs_to :user belongs_to :location belongs_to :asset_type, :foreign_key => ''type_id'' end class Location < ActiveRecord::Base validates_presence_of :name

I have a list of TimeSheet objects from an ealier AR query, which I can sort by the full name of the user like so: @time_sheet_entries.sort! { |a,b| a.user.full_name <=> b.user.full_name } I can sort by the started time like so: @time_sheet_entries.sort! { |a,b| a.start_time <=> b.start_time } My question is how do I do a sort so that the list is sorted primarily by user.full_name

Le 3 juin 2010 à 16:00, Martin Guy a écrit : > [off list] > >> 0.8f get converted in 0x3FE99999A0000000 by LLVM > > single precision > >> http://babbage.cs.qc.edu/IEEE-754/Decimal.html gives: >> >> 0x3FE999999999999A instead and this value cannot be read back by "llc"... > > double precision > > M Well For float 0.8 :

Dear expeRts, I would simplify following code. --------------------------------------------- youtput <- function(x1, x2){ n <- length(x1) y <- vector(mode="numeric", length=n) for(i in 1:n){ if(x1[i] >=5 & x1[i] <= 10 & x2[i] >=5 & x2[i] <=10) y[i] <- 0.631 * x1[i]^0.55 * x2[i]^0.65 if(x1[i] >=10 & x1[i] <= 15 &

how can I get a float to always print two decimal places? Thanks, Jamie

Hi, In my rails application I want to include a reporting mechanism that will allow the users of application to view statistics of various operations graphically. Does rails provide inbuilt reporting capabilities? what are different appraoches I can follow to achieve reporting in rails? On googling I found following as some of the options, 1.Gruff Graphs for Ruby 2.SVG 3. using Apache FOP.

Hi, I have a function foo(x,y) and a dataframe, DF, comprised of two vectors, x & w, as follows : x w 1 1 1 2 2 1 3 3 1 4 4 1 etc I would like to apply the function foo to each 'pair' within DF e.g foo(1,1), foo(2,1), foo(3,1) etc I have tried >apply(DF,foo) >apply(DF[,],foo) >apply(DF[DF$x,DF$w],foo) However, none of the above worked. Can anyone help ?

I suspect my problem is similar to having an order and wanting to have order items as part of the order, so I''ll explain the problem in those more familiar terms and then explain what if anything makes my actual situation different at the end. In an Order lets say you have: shipping_address and a shipped bool. OrderItem has quantity and name So Order has_many :OrderItems, and OrderItem

Good day! I am GUI-challenged, and proud of it, but I would like a bit of help. When I start netscape (picked from an Earthlink CD) it raises a message box that says (this is picked from --debugmsg +text and folded for mailing convenience): trace:text:DrawTextExW L"Error: temporary directory E: does not exist. Please enter a new directory in the preferences box.", 99 , [(0,0),(264,0)]

Hi, Situation: I'm seeing lots (~500k per day) of log entries like: smbd[13939]: itlab-pc06 (::ffff:10.51.51.103) couldn't find service it261 In this case, the last character of the request is truncated - it should be it2610 I'm seeing the same/similar issue to http://lists.samba.org/archive/samba/2009-March/147277.html I've dismissed this over the last few weeks as a minor

Currently, Xen does not support injecting an NMI to HVM guest OS. Adding this feature is necessary for those softwares which depend on NMI to function correctly, such as KDB and oprofile. The attached patch allows NMI to be injected to guest OS in NMIP capable platforms. It also enables to queue an NMI and then inject it as soon as possible. Signed-off-by: Haitao Shan

Hello I found that in this version, in the access log, the source log lines are wrong. The number of bytes transfered for the source is always 19 bytes... bla.bla.bla.bla - - [17/Nov/2003:23:25:22 +0100] "SOURCE /radio-bro-gwened.ogg HTTP/1.0" 200 19 "-" "IceS 2.0-Beta2" 13325 bla.bla.bla.bla - - [17/Nov/2003:23:25:52 +0100] "SOURCE /radio-bro-gwened.ogg

what should ssh do for: $ ssh host echo bla | echo bla $ ssh -1 host echo bla | echo bla $ ssh -2 host echo bla | echo bla -m

Dear UseRs, I would like to know the way to find classes of each column of data.frame(). Thank you in advance. ========================================================= Dong-hyun Oh Center of Excellence for Science and Innovation Studies Royal Institute or Technology, Sweden e-mail: oh.dongh at gmail.com cel: +46 73 563 45 22

Hello, I get the folowing error msg in rpcclient -c 'adddriver' command: ERROR: string overflow by 1 (1024 - 1023) in safe_strcpy [adddriver "Windows NT x86" "My Driver Name 001:aaa] Printer Driver My Driver Name 001 successfully installed. My command is like this: rpcclient MYSRV -s /etc/samba/smb.conf -A auth.txt -c 'adddriver "Windows NT x86" "My

Is there a native factorial function in R [my searches have been fruitless], or do I need to use gamma() function? ********************************************************************* Dr Peter Caley CSIRO Entomology GPO Box 1700, Canberra, ACT 2601 Email: peter.caley@csiro.au Ph: +61 (0)2 6246 4076 Fax: +61 (0)2 6246 4000 *********************************************************************

Dear R-helpers, i am trying to make a shared library from a Fortran subroutine, and i therefore used (after reading the documentation): Rcmd SHLIB forfile.f #(R1.70, Win2000) And the error is: " 'perl' is not recognized as an internal or external command,operable program or batch file." So i went ahead and tried to install Perl (from the suggested website in

Does anybody know how to make pairs graphics with dots of different colours depending on the value of a categorical variable ? Thanks, Arnaud ************************* Arnaud DOWKIW Department of Primary Industries J. Bjelke-Petersen Research Station KINGAROY, QLD 4610 Australia T : + 61 7 41 600 700 T : + 61 7 41 600 728 (direct) F : + 61 7 41 600 760 **************************

Dear Sir I have successfuly downloaded R package. Kindly let me know where i will get _/*user mannual*/_ for the same. awaiting a prompt reply with regards Pankaj @#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@ Pankaj Kumar Research Scholar Climatology & Hydrometeorology Divison Indian Institute Of Tropical Meteorology Homi Bhabha Road, Pune-411008 India Phone No. +91-20-5893600 Ext. 361

i need step by step directions on how to export a text file into the r file