Displaying 20 results from an estimated 500 matches similar to: "Problem with paginate, include and foreign keys"
2012 Jan 22
4
undefined method `gsub!' for 2012-01-22 17:00:00 -0500..2012-01-23 00:00:00 -0500:Chronic::Span
Hey all,
I am getting this error:
NoMethodError (undefined method `gsub!'' for 2012-01-22 17:00:00
-0500..2012-01-23 00:00:00 -0500:Chronic::Span):
in this code:
date_range = Chronic.parse(the_date, :guess =>
false)
reports.sum_distance_by_date(date_range).each do |d|
u[:m] << d
end
def
2007 Jul 08
2
datetime_select, is creating an instance of the Time class
Hello
It seems that datetime_select, is creating an instance of the Time
class. Why would that be?
I found this while building a site where people can create vigils
(prayer vigils, peace vigils, etc). When I added a validation method
that compared start_date to created_at, it generated the error:
ArgumentError (comparison of Time with DateTime failed):
I was able to put a breakpoint in the
2006 Feb 28
1
Working with date_select ...
I am a little confused about the best way to work with date_select. I see that
in my views it generates a simple input form that allows for the entry of year,
month and date information. If I just leave it at that, great!
But what if now in the controller, I want to work with the date information. I
actually want to take the user input date and compute a new date some number of
days in the
2006 Jun 21
3
Simple range question
I have a model with a datetime field called start_date. I''d like to do
a find on the model so that it returns only records with the start_date
equal to the current day.
Something like this:
@foos = Foo.find(:all,
:conditions => //?? start_date equal to today''s date
??// ] )
Thanks in advance for any help.
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2006 Apr 15
2
Multi-parameter assignment
Hi,
I''m trying to submit data from text boxes on a form to one variable in
my controller, in the same way that datetime_select has date(1i),
date(2i), etc for day, month, year, etc...
I''ve named my variables event[start_date(1i)] event[start_date(2i)] and
event[start_date(3i)] but this doesn''t seem to work and
event[:start_date] is blank ... any pointers would be
2007 Apr 09
1
help with ActiveRecord joins
I''m working on a fairly complex join query and could use a bit of advice
from more expert users of ActiveRecord.
I have an events table with quite a lot of data, with has_many relations
to categories, age_groups, and event_images. In my first naive
implementation, each event had a date, so to load all upcoming events
efficiently, I''d do:
Event.find(:all,
2007 Sep 11
2
How to search with range when I am using AAF
acts_as_ferret :fields => {
:name => {:},
:desc => {},
:start_date => {}
}
def start_date
self.start_datetime.strftime("%Y%m%d")
end
Now that I am strong start_date in YYYYMMDD format, I want to search for
all event in between 20070506 and 20070809
What will my query look like when I am using aaf. This one doesn''t work
2013 Mar 30
1
How to use group in nested associations
The below query fails:
Timesheet.joins(:time_entries).select("timesheets.*,
sum(time_entries.worktime) as total").group("timesheets.start_date")
The models have the following relations:
Timesheet < AR
has_many :activities, dependent: :destroy, inverse_of: :timesheet
has_many :time_entries, through: :activities
accepts_nested_attributes_for :activities,
2011 Apr 20
3
[test message] Can R replicate this data manipulation in SAS?
Apologies for troubling the list, but it is a test that
needs to be carried out. I am resending the message that
I sent earlier on behalf of Paul Miller, but with a
certain word used in the variables names of the SAS code
changed to a different word.
With thanks for your tolerance ...
Ted.
[*** PLEASE NOTE: I am sending this message on behalf of
Paul Miller:
Paul Miller <pjmiller_57 at
2006 Mar 28
2
Fastest way of adding " " around multiline text in RADRAILS
lets say i have the following SQL in my database editor :
When i paste it into rad rails i have to add quotes and the ''+'' symbol
to the end of each line. It is very tedious. What is the best method?
select timesheets.employee,
sum(items.hours) as hours,
sum(items.hours*timesheets.cost)
as cost,
sum(items.hours*timesheets.charge*decode(activities.chargetype,0,1,0))
as charge,
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
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:
2006 Mar 28
4
Problem with ActiveRecord, create, save, and Oracle adapter?
Hi all,
Ruby 1.8.4
Rails 1.1
OCI8 0.1.14
I think I''m hitting an issue with ActiveRecord::Base#save and the Oracle
adapter. Line 158 in the schedules_controller.rb file is simply:
158: if @schedule.save
159: flash[:notice] = ''Schedule was successfully created.''
160: redirect_to :action => ''list''
161: else
162: render :action =>
2010 Mar 10
3
Help with aggregate and cor
Hello,
I do not understand the correct way to approach the following problem
in R.
I have observations of pairs of variables, v1, o1, v2, o2, etc,
observed every 30 seconds. What I would like to do is compute the
correlation matrix, but not for all my data, just for, say 5 minutes
or 1 hour chunks.
In sql, what I would say is
select id, date_trunc('hour'::text, ts) as tshour,
2024 Oct 30
2
Extracting wind direction and wind speed from wind rose plot
Dear all;
I am searching for a way to extract wind direction and speed from a wind
rose plot. I have a graph and I want to make a dataframe of 5 years with
hourly intervals.
> start_date <- as.POSIXct("2019-01-01 00:00:00")
> end_date <- as.POSIXct("2023-12-31 23:00:00")
> time_sequence <- seq(from = start_date, to = end_date, by = "hour")
> df
2011 Dec 01
2
R, PostgresSQL and poor performance
Hi List
Apologies if this isn''t the correct place for this query (I''ve tried a search of the mail archives but not had much joy).
I''m running R (2.14.0) on a Mac (OSX v 10.5.8, 2.66GHz, 4GB memory) and am having a few performance issues with reading data in from a Postres database (using RPostgreSQL). My query / code are as below
# -----------------------------
2007 Jun 19
5
Problems translating should_render from 0.8.2 to 1.0.5
<font size="2">I''m working on a large Rails site and we want to move from RSpec 0.8.2 to the latest and greatest. So we ran the translator and yet we''re having a lot of trouble translating should_render.<br><br>I found this on the web:<br><br>We will NOT be supporting the following in the new syntax:<br>
2009 Jan 27
1
Creating list or numeric vectors out of selected columns of row oriented data
I am just assuming this can be done, but I have not gotten close to
making it happen. I have a data file with about 1 million rows with
1470 unique subjects. Each row represents a small set of observations
made on a specific date for a single subject. I would like to
transform the data so that I have an R object with a single entry for
each subject and start date and vectors for the
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,
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?
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