Displaying 20 results from an estimated 600 matches similar to: "Issue in ActiveRecord generated reader methods"
2006 Jul 07
5
link_to: link is missing id
I''m using a legacy table, where the unique id is not ''id''
I have a Model class like the following:
class Article < ActiveRecord::Base
set_primary_key "ARTICLE_ID"
end
however, using a link_to like the following (modified scaffolding),
the link has no id value:
<% for article in @articles %>
<tr>
<% for column in
2007 Mar 29
1
ActiveRecord attributes -- strange behavior when adding Array to an element
Hi,
I have a database table and associated ActiveRecord model. I was
trying to store (temporarily) an array in one of the attribute
elements - not to save it, but just so that I can keep some form data
in a sensible place. A stripped down version of the problem I''m having
is:
p = Property.new(:bedroom_count => ["2","3"])
puts p.inspect # ==> will correctly show
2009 Sep 23
5
Overriding AR read/write_attribute - Overridden write_attribute Is Never Called
Could someone explain this?
#config/initializers/ar_attributes.rb
module ActiveRecord
module AttributeMethods
alias_method :ar_read_attribute, :read_attribute
def read_attribute(attr_name)
p "read_override"
ar_read_attribute(attr_name)
end
alias_method :ar_write_attribute, :write_attribute
def write_attribute(attr_name, value)
2007 Apr 27
3
attachment_fu content_type problem
Hi all....
Admittedly I''m new to Rails and trying to find my way but I''m having
an issue with uploading documents with attachment_fu.
I have a form where I''m uploading multiple attachments (using AJAX to
add file_filed_tags). That seems to work pretty well. The problem is
I can''t seem to get the content_type to work as I would expect. For
example, if I use
2005 Dec 16
4
Validation with Aggregation
ActiveRecord supports composed_of for value objects which is
fantastic but one thing that it doesn''t seem to support (or at least
I am unable to find any documentation for) validation of the value
objects.
For example, given the following:
class Message < ActiveRecord::Base
composed_of :sender, :class_name => ''EmailAddress''
composed_of :recipient,
2006 Apr 17
5
Finding out updated fields
Hi,
When we update a record via an update form, is there an easy way to find
out the fields that have been changed. If the update is successful, i
want to display:
The following fields have been changed:
field-name = new-value
...
Thanks,
Lantis.
--
Posted via http://www.ruby-forum.com/.
2006 Feb 06
7
Delaying initialization of associations until first access
Guys,
Say I have the following:
-----
class Person < ActiveRecord::Base
has_one :house
end
class House < ActiveRecord::Base
belongs_to :person
attr_accessor :color
end
-----
Then I have the following code:
-----
john = Person.new
john.house.color = "Blue"
john.save
-----
What I would like to have happen, is that on first call to john.house, if
house hadn''t been
2011 Sep 17
3
[PATCH 1/1] hivexml: Base64-encode non-printable data
Some of the data in names and string values were being unsafely printed,
causing some types of XML processors to fail (e.g. Python's Expat).
This patch checks for printability of each character and outputs base64
with an encoding attribute for unsafe data.
---
xml/hivexml.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 64 insertions(+), 11 deletions(-)
2006 Jun 21
8
Modifying Model Output
Hi!
I''m a very-very new Ruby-on-Rails user even if I have some experience
with other Languages (mostly PHP, so this is my first real
object-oriented language)
My problem, newbie-ish as it is, is the following: I have a model,
Article, that returns Articles from the DB. Now, when a certain field of
the model (the intro text) contains no data, I want to fill it with a
truncated
2006 Jul 27
9
Introspecting validates_presence_of
Hello people,
I''d like to detect whether an attribute of a model has
vaildates_presence_of applied to it so I can automatically apply a
mandatory (*) to the field...it doesn''t look easy...any ideas?
Cheers,
--
Dan Webb
http://www.danwebb.net
2005 Dec 30
5
HABTM with finder_sql problem (Rails bug?)
I''m building an app that needs i18n support across the entire database
(i.e. localized attributes). In order to do this I''ve created a
special HABTM join table that can be associated with _any_ other
table:
create table language_strings (
for_table varchar(255) not null,
foreign_id int not null,
language_id varchar(5) not null,
attr_name varchar(255) not null,
value text
2006 Jun 01
1
Automatted Getter/Setter
Hey..
So I have a model that has a lot of number fields. Each of these go
through a process when read in and read out to add/remove commas
(between every three numbers) to make them more readable.
The getter I currently have is like this:
def sale_price
Listing.insert_commas(read_attribte (:sale_price))
end
and the setter is:
def sale_price=(price)
write_attribute(:saleprice,
2006 May 09
11
model filter?
Hi All,
Is there a way to filter / modify the output of a model class before
it''s returned to controller/view that''s calling it?
Example: I have a field phone_number which I always want to preformat
using the number_to_phone() helper....
Any help is appriciated.
Thanks!
--
Posted via http://www.ruby-forum.com/.
2012 Nov 03
1
Violin plot of categorical/binned data
Hi,
I'm trying to create a plot showing the density distribution of some
shipping data. I like the look of violin plots, but my data is not
continuous but rather binned and I want to make sure its binned nature (not
smooth) is apparent in the final plot. So for example, I have the number of
individuals per vessel, but rather than having the actual number of
individuals I have data in the
2008 Mar 19
2
ActiveRecord bug? ActiveRecord::ConnectionAdapters::Column.type_cast for float columns
Hi all,
I just noticed that in ActiveRecord::ConnectionAdapters::Column.type_cast[1]
(and type_cast_code[2]) the type casting for float columns simply does
value.to_f, whereas all the others have a rescue or call out to a method,
the default implementations of which have rescues or enough logic in that I
don''t think they''d fail.
Imagine the following:
create_table :vehicle do
2006 Jan 19
2
Easy way to handle form input without a model class?
I have a couple forms that I''d like to be able to validate and
automatically populate, but it shouldn''t be based on AR. In fact I
often have a bunch of small forms that I can''t really justify writing
a whole new model class for anyway. I''d like to validate the form
input, and then use rails helpers to automatically populate the form
if validations fail.
2006 Dec 12
2
RXML partial question
All,
I have a RXML template which renders partial RXML templates within it.
A snippet is below. The "xml" variable is the parent template''s Builder
variable. It is passed into the partial under the name "parent_xml".
Why can''t I use :locals => {.... :xml => xml ....} in my call to render
the partial? It seems like if I do use :xml => xml, it
2010 Jul 19
3
ActiveRecord override
Would really appreciate it if someone could tell me why this is happening:
I override ssn method of AR class so I can encrypt/decrypt to/from the db:
class Person < ActiveRecord::Base
def ssn=(value)
write_attribute(:borrower_ssn, Crypto.encrypt(self.encryption_key,
value))
write_attribute(:borrower_ssn_final_four, value[5,4])
end
def ssn
# this begin - rescue can be
2006 Jul 02
7
How can I intercept attribute calls?
Hi.
I have two types of fields in my database, e.g. "name" and "name_ru".
First one is a user''s name in english and the second one is in russian.
I want to intercept calls like "c.name" and add "_ru" to it if current
language is russian (I have my own Locale class like n Globalize).
So I want such thing:
--
Locale.set("en-US")
c.name
2006 Jul 05
2
Serialized object behaves weird
Hi!
I got a class named EinsatzFilter which I serialized to session. Before
saving to session it works afterwards I keep getting the message:
"undefined method `to_s'' for #<Person:0x38c6ab8>". "Person" is a from
ActiveRecord::Base inherited class.
Code:
class EinsatzFilter
include ApplicationHelper
attr_reader :personen, :monat, :projekte, :kunde