similar to: undefined method `validates_presence_of'' for #<ProductsContr

Hi, I have two products which are substitudes. I try to fix a system as below to mydata. Demand1 = A1 -B1*Price1 + C1*Price2 Demand2 = A2 +B2*Price1 - C2*Price2 I would expect C1 & B2 to be symmetric, If they are truly substitude. How can I enforce this symmetry when creating a system of equations via SystemFit ? -- View this message in context:

On Feb 5, 2012, at 11:32 AM, Arpan Sen wrote: > For the very simple example below, I get Unknown instruction error from lli and llvm-dis, while llc does not print anything. Not sure what is that I am missing here. My llvm-gcc version is i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00) > 1-39-155-188:pastebin Babai$ llvm-gcc example.c

Hi Is there any link from where i can get complete information about the variables used in xen domu configuration in details like hvm, pae, acpi, apic, device_model etc and when to use which variable thansk _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

When I try to start a Rails app, I get the following error: ruby can''t open library: /Library/MySQL/lib/mysql/libmysqlclient.12.dylib I''m on OS X and was previously using Complete MySQL. Recently, I upgraded to MySQL 4.1 using the regular MySQL installer. I think that this problem probably occurred after that upgrade, as I have not used Rails after upgrading (about a couple

hi all i am trying to boot from rhel5.1 x86_64 image. with the following configuration kernel = "/usr/lib/xen/boot/hvmloader" builder=''hvm'' memory = 3048 name = "rhel51" vcpus=1 cpus = "" vif = [ ''type=ioemu, bridge=xenbr0'' ] disk = [ ''phy:/dev/cciss/c0d0p7,ioemu:hda,w'',

I made a clean install of my system yesterday, and installed ROR and related items using the script from nubyonrails. Now whenever I start the server, it stops after a couple requests. If I force it to start using webbrick, it works OK. I even created a fresh rails app to test it and I continue to get the same problem, so the problem is definitely not in the code. Does anyone know what the

Hi, I am new to ROR. I have created a form with foru fields in ROR. Now its working fine for all CRUD operations. But I want to validate data on form for "validates_presence_of" validation. How to do this? I tried it by putting line "validates_presence_of :description" . But its not working. Its throws error like "undefined method `each'' for

This is what I have class Photo < ActiveRecord::Base belongs_to :image, :polymorphic => true acts_as_list :scope => image end class Place < ActiveRecord::Base has_many :photos, :as => :image end class Child < ActiveRecord::Base has_many :photos, :as => :image end I want to be able to reorder the images. What I need is for the position of the photos to be set

Hi Eric, Here's the C code (example.c): include <stdio.h> int main() { printf("testing\n"); } Here's the LLVM IR (from llvm-gcc): ModuleID = 'example.c' target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple =

Hi, For the very simple example below, I get *Unknown instruction error from lli and llvm-dis*, while* llc does not print anything*. Not sure what is that I am missing here. My llvm-gcc version is i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00) 1-39-155-188:pastebin Babai$ cat example.c #include <stdio.h> void hello() {

Hi, I have some values on my webpage displaying like 1.22333333333 2.33333344444 2.33377777777 etc. Here I want to display values upto 2 decimal places correct. i.e, 1.22333333333 should be dislayed as 1.22 2.33333344444 should be dislayed as 2.33 2.33777777777 should be dislayed as 2.34 & so on.... How to do this in ruby????? Is there any function??? Thanx in advance. Prash --

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/.

Probably your g++ compiles x86_64 binary by default, but i686 dylib is supplied? Try: g++ -m32 e.cpp /Developer/Platforms/iPhoneOS.platform/Developer/usr/llvm-gcc-4.2/libexec/gcc/i686-apple-darwin10/4.2.1/libllvmgcc.dylib - D. 2012/1/22 Arpan Sen <arpansen at gmail.com>: > Hi, > > I am trying to use some LLVM API in my C++ code, and I end up getting linker > errors. I am

Hi, I have an object (@cnt). Now when I am calling "@cnt.inspect" on object it gives me output as follows:- ----output---- [#"3"}>] ----------- Now in aboove output the number between double quotes (3) which is of my interest & I want to display it. How to do that? Actually this is my method:- ==================================== class Tagging < ActiveRecord::Base

Hi, In my application I cant use "to_url" method on any of strings. What should I do if i want to use this method? Is there any plugin needed to download for this "to_url". In my application now when I am trying to use this methos I am getting following error:- ======================================== undefined method `to_url'' for "This is my

Hi, I am trying to use some LLVM API in my C++ code, and I end up getting linker errors. I am working on Apple MacOSX Lion. Using g++ for the compile. It is the CreateGlobalStringPtr which is throwing the error. This is LLVM 3.0. Here's the codeI am trying to use some LLVM API in my C++ code, and I end up getting linker errors. I am working on Apple MacOSX Lion. Using g++ for the compile. It

Hi, I am using acts_as_athenticated plugin for my rails application. That plugin is using "SHA1" algorithm to encrypt password & stroe it into database. Now in future suppose user requsted his password through email, hhow should I decrypt that password in my application & for sending it through mail? Please help me. I am trying this since last 2 days. But still not

Hi, I want to calculate difference between Current date & previous date (stored in database). The difference should be in days. Hhow to do that?? PLs tell me. Thanx in advance. Prash -- Posted via http://www.ruby-forum.com/.

How to check which all network card are part of xenbr0 and what way i can add additional nic on the fly in the xenbr0 _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

Hi i have assigned 4 vcpus to windows domu in in the configuration file for that VM but when i start that vm but when i start that machine check it only shows single cpu is there anything which need to defined or declared in configuration for windows domu Thanks _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com