similar to: uninitialized constant Datetime

Displaying 20 results from an estimated 300 matches similar to: "uninitialized constant Datetime"

2006 Jun 15
8
rails saves it to the database and I don''t want to
Hello: I am developing a web application to book machines for an event. so I have an event model class Event < ActiveRecord::Base has_many :datetimes ... end and a datetime model class Datetime < ActiveRecord::Base belongs_to :event ... end I have developed a view with the event information and information for the datetimes. and in the event_controller when I capture a datetime I
2006 Jun 15
1
Multiple :conditions?
How do I add multiple conditions to a paginated list? I have: @post_pages, @posts = paginate(:posts, :per_page => 10, :conditions => [ ''(title) OR (body) LIKE ?'', ''%'' + params[:query] + ''%''], :order =>
2006 Nov 09
1
POSIXlt converted to POSIXct in as.data.frame()
In trying to use as.Date(), I've come across the conversion of POSIXlt to POSIXct when a POSIXlt variable is included in a data frame: my_POSIX <- strptime(c("11-09-2006", "11-10-2006", "11-11-2006", "11-12-2006", "11-13-2006"), "%m-%d-%Y") str(my_POSIX) my_Date <- as.Date(my_POSIX) str(my_Date) data <- format(my_Date)
2008 Feb 19
3
will_paginate question
Hi- Is it possible to use search parameters with will_paginate? For example, something like this: @var = Model.paginate :per_page => 20, :page => params[:page], :order => ''my_date DESC'', :conditions =>["my_date >= ? AND my_date <=?",@start,@end] I am getting some errors with this, but will this generally work?
2006 Jun 14
4
Using now() to determine what should be displayed
I''m trying to create a paginated list that will take note of the "end_date" field in my table. This is what I have: @post_pages, @posts = paginate(:posts, :per_page => 10, :order_by => ''end_date'') in the controller. And for the view: <h1>Posts ending soon</h1> <ul><% for post in @posts do %> <strong>Post Title:
2006 Jun 25
1
Sorting ferret results by column
I have the acts_as_ferret plugin installed. Everything searches great, but I would like to limit the results (i.e. by ''end_date'') and sort them (by ''end_date''). ''end_date'' is a valid column in my "posts" table. Here''s the code I have already: @posts = Post.find_by_contents(params[:query]) params[:query] comes from a form. I
2009 Aug 13
2
need technique for speeding up R dataframe individual element insertion (no deletion though)
Hi fellas, I am working on a dataframe cam and it involves comparison within the 2 columns - t1 and t2 on about 20K rows and 14 columns. ### cap = cam; # this doesn't take long. ~1 secs. for( i in 1:length(cam$end_date)) { x1=strptime(cam$end_date[i], "%d/%m/%Y"); x2=strptime(cam$end_date[i+1], "%d/%m/%Y"); t1= cam$vol[i]; t2= cam$vol[i+1];
2006 Dec 11
1
Compute date during before_validation_on_create
Hello, - the form posted by the user have a date field - this date is begin_date, I need to compute end_date - so, added callback before_validation_on_create - in this method I do : end_date = begin_date >> 12 - unfortunately, beeing in before_validation the actual self.begin_date have not been type casted - It''s always a string - unfortunately again, I can''t put this code
2006 Jun 08
5
AM/PM select
I have a customer that has a request that the select_datetime fields have AM/PM selectors instead of 24 hour time. The rails time and datetime selects seem to only support 24 hour time. I can''t seem to find any information on this. i was wondering if there is already a solution out there, or will i have to roll my own? Sean Wolfe master nerd of i heart squares, inc. 3711 N.
2006 Dec 08
2
trouble using ActiveRecord classes
I''ve been trying unsuccessfully for the better part of today to write a worker that can use by ActiveRecord model classes. The bizarre thing is that worker just stops at the point accessing the database connection. An exception isn''t raising, it just dies. My worker class is below, I''ve interspersed log messages throughout to try to determine where it is dying. =====
2013 Jan 29
2
Count entries in postgresql grouped by date
Hi! I have a table with visits with a visited_at: attribute which is a datetime field. They seem to be stored as UTC. Now I want to count all visits each day and return something like: { 2013-01-01: 8, 2013-01-02: 4, 2013-01-07: 9, ... } So, I did it like this which kind of works...: def self.total_grouped_by_day(start_date, end_date) visits = where(visited_at:
2008 Oct 14
4
replace_html not working
hallo, everyone can anybody help me? i did add my code under ENGINES as a module in a project. before the change , all worked . and the differenz between both is only about application''s environment, before is Ruby version 1.8.6 (i486-linux) RubyGems version 1.1.1 Rails version 2.0.2 Active Record version 2.0.2 Action Pack version 2.0.2
2010 Jun 08
2
type conversion with apply or not
Folks, i thought it should be straightforward but after a few hours poking around, I decided it's best to post my question on this list. I have a data frame consisting of a (large) number of date columns, which are read in from a csv file as character string. I want to convert them to Date type. Following is an example, where the first column is of integer type, while the rest are type
2008 Jun 24
10
Question on passing arguments inside a view.
I''m running into an issue undefined local variable or method `directoryid'' for #<EditorialsController:0x23f1bf8> I have two Models on a legacy database and only one controller called editorials with two actions index and display. I''m trying to pass in a parameter from the results of my search and getting the above error. Example: two tables one is editorial the
2011 May 19
1
update_attributes updates data from second instance of nested form but not the first
Got a weird situation with an update put to a controller with a form with nested attributes. On the data below, I am updating data for both items (''0'' and ''1'') in rosters_attributes (in the example below I am updating the ''name'' attribute to a new value in both cases. What I am stuck on is that ''1'' gets its data updated,
2004 Nov 08
2
Matrix Indexing
Hi, I have the following problem. In a csv file I have under column A, the date, and column B, the prices. Thus, for example, the file looks something like this -> 1/31/04 2.5 2/1/04 2.6 ... 4/12/04 3.5 Basically, I use the function inputframe = read.csv( ) which reads the csv file into the inputframe. My question is, how can I make a function that has, as inputs,
2006 Jun 25
1
Using AND in :conditions queries
I have what amounts to a simple search engine running through a table using input from a form. Everything works fine when looking for "title" or "body" But, when I want to couple that with an AND statement the search still works fine, but it seems to disregard the AND statements. Code below: In the view: <%= start_form_tag :action=> "show_search" %>
2007 Apr 23
3
How to change Date format
Hi all, I am using InstantRails with MySQL-Front. Date is stored in format yyyy-mm-dd in database. I want to retrieve and show date in dd-mm-yyyy in my view.rhtml. How can I change it to dd-mm-yyyy form. Please help me out. Thanks -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google
2008 Nov 11
1
Every other week recurring event
I have the code for computing a weekly event: (start_date..end_date).select{|d| d.wday == wday} but I am wondering if anyone has any ideas for using this to figure out a recurring event for every other week. Is it possible to somehow specify every other within the .select method? Any other implementation ideas? --~--~---------~--~----~------------~-------~--~----~ You received this message
2012 Jul 10
1
calculating the difference between days?
Hi List, I have one column of beginning dates and one column of ending dates, I want to find their difference. And I want to ignore the trailing zeros, basically everything after the first colon mark. Begin_date End_date 01JAN2000:00:00:00:000 02FEB2002:00:00:00:000 24MAR2012:00:00:00:000 18MAY2012:00:00:00:000 01OCT2003:00:00:00:000