Displaying 20 results from an estimated 10000 matches similar to: "Rails - JSON object with an array?"
2010 Dec 01
10
How to Redirect from http://mysite.com to https://www.mysite.com on Herok
Hello I''m looking to learn how to redirect all non-www (mysite.com) to
https://www.mysite.com
I tried the following:
class ApplicationController < ActionController::Base
before_filter :check_uri
def check_uri
redirect_to request.protocol + "www." + request.host_with_port +
request.request_uri if !/^www/.match(request.host) if Rails.env ==
2010 Nov 11
2
Rails 3 - Nested Forms, using Builder -- Check_box issue
Hello, I have the following:
My Controller:
def new
.
.
@teammembers.each do |teammember|
request = @request_thread.requests.build(:recipient_id =>
teammember.user_id, :full_name => ''Billy Bob T'')
end
My View:
.
.
<%= f.fields_for :requests do |builder| %>
<div class="field">
<%= builder.label
2011 Aug 17
2
JSON PUT/POST/UPDATE
Hey all... I''m building a RESTful JSON API and I find myself writing
this:
JSON.parse(request.body.read)
...over and over in every controller action that accepts JSON in the
request body (which is a lot of actions).
Does rails have a better built-in way to keep the code more DRY? Or
should I solve that somehow myself?
Thanks,
Cainus
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2010 Dec 12
1
PGError: ERROR: invalid byte sequence for encoding "UTF8": 0xa0
Hello, my app is reading emails with attachments and inserting the
Email message into the database to be sent to delayed job for
processing.
When inserting an email with attachments into the database, I get the
following error:
PGError: ERROR: invalid byte sequence for encoding "UTF8": 0xa0
Has anyone seen this before? There doesn''t seem to be much rails
related via
2010 Dec 21
8
Rails - escape_javascript without all the \n\n\n\n\n
Hello, I''m using escape_javascript to return a partial to the browser
via ajax.
Something like:
$("#inject").html("<%=escape_javascript(render :partial =>"feed/
index")%>");
Problem is escape_javascript ends up outputing all kinds of wasted
space like
\n\n\n\n\n \n
Is there anyway in Rails to escape_javascript more
This installation of RMagick was configured with ImageMagick 6.6.4 but ImageMagick 6.6.5-0 is in use
2010 Nov 20
2
This installation of RMagick was configured with ImageMagick 6.6.4 but ImageMagick 6.6.5-0 is in use
Hi all, just installed ImageMagick on my Mac, then added the gem
rmagick, and not can''t launch the server on my local machine. Anyone
experience this or have any ideas?
rails s
/Library/Ruby/Gems/1.8/gems/rmagick-2.13.1/lib/RMagick2.bundle: This
installation of RMagick was configured with ImageMagick 6.6.4 but
ImageMagick 6.6.5-0 is in use. (RuntimeError)
from
2012 Sep 28
1
How to Include Associations in #as_json
Hi,
Does anyone know how to include nested associations when overriding a
model''s #as_json method?
Below is my attempt to include direct and nested associations.
NOTE: "office" is a direct association, "company" is nested association
via "office". I''d like both included in the generated json output.
def as_json(options={})
super(:include
2011 Oct 25
7
additional model attributes
Hi,
i have a "place" model with 2 columns (id, name).
I''m calling an external api which gives me data to create a new place
object.
I would like to add the address from the external place to the place
object and render it as a json result, without storing it in the
database.
i don''t get any errors, but the address never shows up within the json
output. i''ve
2007 Jul 05
1
converting list to an array
Hi,
I have a list myList (see below) that consists of id's $'7',....,$'10'
and each id has an individual array, the length of which can vary from
id to id.
How can I convert this list into an array, ie. stacking the individual
arrays into one large array?
Thanks
Zava
myList:
$`7`
[1] 20050201 20050301 20050401 20050501
$`8`
[1] 20050201 20050301 20050401
2011 Feb 03
0
Correct way to exclude attributes from json serialization
Hi
I''m using Mongoid and Rails 3, and I want to serialize one of my
mongoid documents to json for publishing via a controller, e.g.
class ReportController < ApplicationController
respond_to :json
def show
report = Report.where(:report_id => params[:id]).first
respond_with report
end
end
This works ok, but pushes out every attribute on the document
2012 Jan 27
2
to_json performance
Originally posted on github, reported to the right place.
I would like to open a discussion about how `to_json` and `as_json`
operates in Rails from a performance standpoint.
I''m using Rails 3.2 but this issue applies to almost all versions of
Rails.
Our use case presents the challenge in sending out potentially large
JSON (or XML, but we''ll focus on JSON rendering here)
2013 Jan 30
2
Installing fog -0.7.2 for CloudProvisioner
Hi,
I am trying to install fog which is required for cloud provisioner.
> gem install fog -v 0.7.2
I am getting the following error
Building native extensions. This could take a while...
................
ERROR: Error installing fog:
ERROR: Failed to build gem native extension.
/usr/bin/ruby extconf.rb
creating Makefile
make
2007 Jun 14
4
How to convert a table to JSON (or to Javascript array)
Is there a way to retrieve an HTML table in javascript and convert it
to JSON using prototype?
I''m stumped :(
phil
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2015 May 04
2
Define replacement functions
Hello
I tried to define replacement functions for the class "mylist". When I test them in an active R session, they work -- however, when I put them into a package, they don't. Why and how to fix?
make_my_list <- function( x, y ) {
return(structure(list(x, y, class="mylist")))
}
mylist <- make_my_list(1:4, letters[3:7])
mylist
mylist[['x']] <- 4:6
2012 Sep 18
4
"best practices" for Rails serving RESTful JSON services for use by AngularJS, Ember.js, etc.
I''ve been writing a gem to implement and extend common controller
functionality so that Rails can be used with Javascript frameworks like
AngularJS (which we are using), Ember.js, etc. in such a way that the user
doesn''t have to tweak a a bunch of rails g controller boilerplate code to
provide services for use in these frameworks that in turn would require
various changes to
2009 Oct 25
3
NULL elements in lists ... a nightmare
I can define a list containing NULL elements:
> myList <- list("aaa",NULL,TRUE)
> names(myList) <- c("first","second","third")
> myList
$first
[1] "aaa"
$second
NULL
$third
[1] TRUE
> length(myList)
[1] 3
However, if I assign NULL to any of the list element then such
element is deleted from the list:
> myList$second <-
2007 Oct 20
1
Getting at what a named object represents in a function...
Hi,
I'm pretty new to R.
I have an object (say a list) and I I have a function that I call on
various columns in that list (excuse terminology if it's wrong/ambiguous).
Imagine its like this (actual values are unimportant) and called mylist:
>mylist
A B
1 5
2 5
3 6 4 8
5 0
I have a function:
foo = function(param){
#modify list A or B values depending on
2004 May 10
2
Lists and outer() like functionality?
Hi,
I'm have a list of integer vectors and I want to perform an outer()
like operation on the list. As an example, take the following list:
mylist <- list(1:5,3:9,8:12)
A simple example of the kind of thing I want to do is to find the sum
of the shared numbers between each vector to give a result like:
result <- array(c(15,12,0,12,42,17,0,17,50), dim=c(3,3))
Two for() loops is the
2011 Apr 05
1
Help in splitting a list
Dear R users,
Let's say I have a list with components being 'm' matrices (as exemplified
in the "mylist" object below). Now, I'd like to subset this list based on an
index vector, which will partition each matrix 'm' in 2 sub-matrices. My
questions are:
1. Is there an elegant way to have the results shown in mylist2 for an
arbitrary number of matrices in mylist?
2017 Jun 15
4
is.null(mylist[1]) and is.null(mylist$a) returns different values
Hi
I have a list :
mylist <- list( a = NULL, b = 1, c = 2 )
> mylist[1]
$a
NULL
> is.null(mylist[1])
[1] FALSE
> is.null(mylist$a)
[1] TRUE
why? I need to use mylist[1]