similar to: Problem while export to xls using spreadsheet gem in rails for Server

I have successfully used the spreadsheet gem to export data out of a mysql database. I am now trying to do something similar using an Oracle 11g database configured for UTF-8 data. But I get the following error on the ''workbook = Spreadsheet::Workbook.new'' line of code: Iconv::InvalidEncoding in VisitLogsController#index invalid encoding (''UTF-8,

Hi All, Created xls file using spreadsheet Excel is not read on linux. I am creating an xls file are as follows workbook = Spreadsheet::Excel.new("Filepath") worksheet = workbook.add_worksheet("Sheet1") | | | workbook.close but when i am trying to download this it not get download. -- Posted via http://www.ruby-forum.com/.

Hello, I use a software that outputs the data in a form/dialect(?) of xml (I think its called "SpreadsheetML", see below for an excerpt). It allows (admittedly) easy import of such files into Excel. I would like, however, to import it directly into R. I am familiar how to do that with standard xml-files (mostly thanks to Duncan Temple Lang's help). But I haven't found the right

Hello all, As much as I hate saying this, I would like to maintain 2 copies of some data, one copy in the form of a table in a database, and one in the form of an Excel spreadsheet. Unfortunately, either or both copies may be modified, so I need some way to synchronize the two, much the same way as a contacts database might be synchronized between a PDA and a desktop application. I am curious to

I am having a problem in reading the columns from an xls file. Following is the code: workbook = Spreadsheet::ParseExcel.parse(params[:dump][:file]) worksheet = workbook.worksheet(0) skip=0 worksheet.each(skip) { |row| puts row.at(0) } I am storing "Customer" in the first row first column. When I print, it is received as

Hi, Does anyone know of a package that will help with generation of spreadsheets? (xls files, not csv) Thanks, Fredrik --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe

Hi All, I want to convert a video file which is located at the Amazon-S3 Store, through ffmpeg. How can it b possible? please help me if anyone have any idea. for ex:- is it possible to execute following command:- system "ffmpeg -i

Is there a gem that will present things in a spreadsheet-like style? I tried searching via both Google and rubygems.org and found mainly things to import and export .xls[x] and Google Spreadsheets. There was also the Exercise gem, which had zero documentation about what it *does*, which doesn''t make me confident in using it. Why do I ask? I''ve made a little app

hey, i want to generate an excel file and send it directly to the browser (without storing it to the harddisk). does anyone has any solution? thanks in advance this is my code: -------------------- def export_excel if @request.env[''HTTP_USER_AGENT''] =~ /msie/i @headers[''Pragma''] = '''' @headers[''Cache-Control''] =

Hi, I?m attempting to export data (split into multiple files from one large dataset) from R to excel using the excel.link package. The code for export is as follows: for(i in practicesNN){ #Create relevant data for input #Separate out all parts of data ? PracticeName is removed from example data for privacy reasons detailedH<-dataExport2[dataExport1$PracticeName == i &

One can import data from Excel ODBC source, but of course it is user's responsibility to ensure that the data are consistent. Each worksheet in the Excel workbook can be accessed as a table (for example, for Sheet1, you should type "select * from [Sheet1$]". The worksheet should have first row containing the column names, and the data rows should follow (the

Hi All, I have 2 tables 1] user_infos & 2] users class UserInfo has_one :user validates_presence_of :city class User belongs_to :user_info validates_presence_of :first_name i write following code in my create method. @user_info = UserInfo.new(params[:user_info]) @user=@user_info.build_user(:first_name=>'''') if @user_info.save else end now what i want is to

I want to use onsubmit for a form validation using javascript on remote_form_for for this i am doing something like this <% remote_form_for :timesheet, @timesheet, :url =>{:action => ''report_user''}, :html => {:onsubmit=>"return ValidateDate();" } do |f| %> // Form elements here <% end %> but it not works well. if condition return false

Hello, I''m using the spreadsheet/excel gem to generate an excel sheet that I want user to be able to download it once it''s generated. Please take a look on the below code: @contacts=Contact.find(:all) if @contacts.size>0 file="#{Date.today}_Report.xls" workbook=Spreadsheet::Excel.new("#{RAILS_ROOT}/public/reports/#{file}")

I have a number of actions that use the spreadsheet/excel library to generate an Excel spreadsheet based on model data and send it to the user using the send_file method. For a while, I''ve been testing these methods with assert_response :success, and then checking the response headers to make sure the file at least looks like what I should be getting. But it occurred to me recently that

>Submitter-Id: current-users >Originator: Eygene Ryabinkin >Organization: Code Labs >Confidential: no >Synopsis: [patch] [vuxml] net/wireshark: fix DoS in SMTP dissector >Severity: serious >Priority: high >Category: ports >Class: sw-bug >Release: FreeBSD 7.1-PRERELEASE i386 >Environment: System: FreeBSD 7.1-PRERELEASE i386 >Description: Today the DoS

Hello people, I'm very new to wine but not so much to linux so try not to make the answers -if any- too complicated. I have successfully installed office 2007 third edition using this post http://samanathon.com/how-to-install-microsoft-office-2007-in-ubuntu-804/ and it worked no probs, I only really installed word and excel though. Word seems to work perfectly but I'm having some little

> Hi, > > I am new to ruby on rails.I am having problem reading excel files. I > tried using gem ''parseexcel'' but still the error is coming. > Could you please help me with the code and how to use this gem? Is > there any better way to read excel sheets. > > Snippet of Code: > > require ''rubygems'' > require_gem

Hello, After I use the lm() function to perform a multiple linear regression, and then use the step function to eliminate variables that predict the weakest, I need to export the final equation to a spreadsheet or a text file. Below is some sample code. In the end I want to export the coefficients to a spreadsheet. Will you please direct me to the appropriate syntax? Thanks for your time, --Eric

R version 2.13.1 OS X (or Windows) Colleagues, I received a number of files with a .xls extension. These files open in XL and, by all appearances, are XL files. However, it appears to me that the files are actually XML: > readLines(dir()[16])[1:10] [1] "<?xml version=\"1.0\"?>" [2] "<Workbook