I do this in my bashrc:
alias migrate='bundle exec rake db:migrate; RAILS_ENV=test bundle exec rake
db:migrate;'
Not sure of the syntax but you get the idea. I don't use rake or rake spec, and
prefer running a guard/spork combo. Hence whenever I want to run a migration, I
just run 'migrate' an
I don't know if using pessimistic locking is the best way to do it,
but here is why I used this:
- every X hours a demon runs and updates records
- thing is, this demon "action" can last Y with Y > X
So there is a risk that two instances of the demon try to update the
same record. So each demon n
wam r. wrote in post #1054714:
> Hi guys,
>
> I must be missing something obvious with pessimistic locking. Here is
> what I do (Rails 2.3, mySQL):
So is there a reasonable use case for pessimistic locking on a web
application? That seems insane to me.
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Tim Shaffer wrote in post #1054854:
> What problem are you trying to solve by doing this?
>
> Just seems like it would make your code more complicated with no real
> benefit.
DRYer code: this approach has fewer distinct tables, fewer distinct
classes, fewer things to test and maintain. But I may
> Your rails app will only use the gems specified in your Gemfile (and
> their dependencies). If it's not in your Gemfile, it's not loaded,
> even if it is already installed
>
> Fred
Thank you for the explanation and time dedicated Fred
Best regards
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On Apr 3, 11:06 pm, "Miguel A." wrote:
> Im using rails 3.2.2 na in my:
> C:\Ruby187\lib\ruby\gems\1.8\gems
>
> folder I can see the:
> mysql-2.8.1-x86-mingw32, mysql2-0.3.11-x86-mingw32 and
> mysql2-0.3.11-x86-mswin32-60
>
> folders.
>
> Doesn't this mean its installed already? :/
Your rails
> Your Gemfile lists all the gems your app uses, if you're using the
> mysql2 gem you'd need
>
> gem 'mysql2'
>
> (If you're using an older rails version you may need to specify a
> version of mysql2 that is compatible with your rails version.
Im using rails 3.2.2 na in my:
C:\Ruby187\lib\ruby\ge
On Apr 3, 10:48 pm, "Miguel A." wrote:
> I've set up on Windows 7 Eclipse with ruby and radrails and want to use
> MySQL as a database.
> I've executed: gem install mysql2
> And changed the database.yml
what did you change it to? I'd wager you've got adapter: mysql,
whereas it should be adapter
I've set up on Windows 7 Eclipse with ruby and radrails and want to use
MySQL as a database.
I've executed: gem install mysql2
And changed the database.yml
I have tried to use MySQL 5.5 and 5.1 and the error still exists.
rake aborted!
Please install the mysql adapter: `gem install
activerecord-m
On Apr 3, 9:43 pm, "@1337807" wrote:
> Why is it necessary for me to run 'rake db:test:prepare' when I generate a
> new model?
>
it shouldn't be - if you run rake (which defaults to running rake test
or rake spec depending in your setup) it runs rake db:test:prepare for
you
> Shouldn't the 'rak
On Apr 3, 7:52 pm, PierreW wrote:
> Hi Scott,
>
> Thanks. In case it helps others, it is explained here:
>
> http://stackoverflow.com/questions/6690458/innodb-select-for-update-s...
>
> Setting transaction to Read Committed did not work for me though, but
> creating an index on UpdateLockForFoo
Let me redact that previous post...my only excuse is that I hadn't had
my coffee yet!
If the time to make a DB query (let's call it 1 Unit of time) swamps out
any amount of processing in Ruby, then:
Approach A (do a SELECT to check for existence of the record before
attempting an insert) will tak
Hi. I have a beginner level. And I can not get the image url (i do not
know how).
https://github.com/Atlantia/tinymce-rails-imageupload
Create
name = params[:file].original_filename
directory = "public/data"
#create the file path
path = File.join(directory, name)
#write the fi
I use Rails 3.2.2 and i created a web application.
I want to upload files and save them in assets directory and save its
locations in DB.
how can i do that?
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In config/initializers/sanitizer.rb
add:
HTML::WhiteListSanitizer.allowed_tags << 'iframe'
On Mar 24, 9:56 am, Grigory Antonov wrote:
> Hello,
> I want to let users place in textfield an iframe tag from google maps.
> Sanitize cuts everything. I want to add some kind of rule to sanitize, so
>
Why is it necessary for me to run 'rake db:test:prepare' when I generate a
new model?
Shouldn't the 'rake db:migrate' also affect the test database? Why would
anyone want to preserve the (broken) state of their test database?
Am I missing something?
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Hi everyone!
I'm looking for a railsy way to stream partial views in Rails 3.2+.
Right now streaming is supported only for yielding via provide.
But say I have 10 posts in a blog page, and each post is generated in
partial in about 300ms and I want user to start reading the first post
immediately a
Hi all,
I am attempting to stream a CSV file from a Rails 3.2 application. All
works as expected IF I disable Rack-Cache... but I really want to keep the
caching if possible. Setting 'Cache-Control: no-cache' for the response
didn't help.
Here is my SO post on the topic:
http://stackoverflow.
Ok, so I have table called 'products' which has 'brand' and 'model' columns...
I would like to pull all models and categorize them by brand in the
pull down menu by means of grouped_collection_select. Is this possible
or do I need to reorganize my entire db to have brand model and
submodel tables?
rspec-expectations-2.9.1 is released!
This is a bug-fix only release, and is recommended for everybody using
rspec-2.9.
### rspec-expectations-2.9.1 / 2012-04-03
[full
changelog](http://github.com/rspec/rspec-expectations/compare/v2.9.0...2.9.1)
Bug fixes
* Provide a helpful message if the di
Hi Scott,
Thanks. In case it helps others, it is explained here:
http://stackoverflow.com/questions/6690458/innodb-select-for-update-statement-locking-all-rows-in-a-table
Setting transaction to Read Committed did not work for me though, but
creating an index on UpdateLockForFoo did the trick.
Did you ever get a solution to this? My app also allows authentication
outside without the password.
On Feb 15, 9:23 pm, David M wrote:
> Yes, I already watched those screencasts, but I still don't know how to do
> it.
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What problem are you trying to solve by doing this?
Just seems like it would make your code more complicated with no real
benefit.
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(This is may be more of a db design question than a rails question.)
Summary:
I'm thinking of creating a single AR class to hold constant symbol
values and use it for :has_many_through relations whenever I need a
constant symbol. Is this a good idea or a bad idea?
Details:
I notice that I have
Thank u very much , that is what i need :)
On Tue, Apr 3, 2012 at 5:51 PM, Peter Vandenabeele
wrote:
> On Tue, Apr 3, 2012 at 4:18 PM, M.SH wrote:
> > i want to make render xml for an complex object
> > ex
> > make render :xml => posters
> > poster = [name, post_id,created_at, ]
> > po
Joe V. wrote in post #1053641:
> A SQL query takes around 1 ms, possibly more if the db server is on a
> different machine. That is way more expensive than rescuing an
> exception.
Joe: Thanks for the useful data point. Just to make sure my
understanding is complete, since any db transaction is
On win you may wanna use Pik as an alternative of RVM, or you can use
RVM with cgywin, or alternatively using Virtual Machine. I highly
recommend using RVM somehow because you're gonna have Gem version
problems all the time which is really annoying.
This article makes things clear:
http://yehudaka
Hi,
yes, I had the same problem yesterday, and I'm also going through a
tutorial - maybe the same one?
Solved with 2 steps: added attr_accessible as mentioned earlier
message. Also I had to change the RSpec tests from
before
@user = User.new(name:"Example", email:"exam...@gmail.com").tap d
Aashish Kiran wrote in post #1054821:
> Dheeraj Kumar wrote in post #1054781:
>> login_user should be inside a before_each block.
>>
>>
>> Dheeraj Kumar
>
> The updated code is at.
>
> http://pastie.org/3719793
>
> The module is not loaded properly.
In http://pastie.org/3719793
If I remove before_
On Tue, Apr 3, 2012 at 4:18 PM, M.SH wrote:
> i want to make render xml for an complex object
> ex
> make render :xml => posters
> poster = [name, post_id,created_at, ]
> post = [title, body,created_at, ]
>
> and i want the render output to be
>
>
>
>
> nam
On Apr 2, 2012, at 4:33 PM, PierreW wrote:
> My
> understanding was that :lock => true only locks a specific record, but
> it seems it is not the case and it locks the entire table.
That depends on what kind of locking the underlying database offers. Which with
MySQL depends on the storage manag
i want to make render xml for an complex object
ex
make render :xml => posters
poster = [name, post_id,created_at, ]
post = [title, body,created_at, ]
and i want the render *output* to be
name
title
Dheeraj Kumar wrote in post #1054781:
> login_user should be inside a before_each block.
>
>
> Dheeraj Kumar
The updated code is at.
http://pastie.org/3719793
The module is not loaded properly.
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Hi,
Get the data of
branch=params[:branch] [:branch_id] unless params[:branch].nil?
send this branch to the method.
On Tue, Apr 3, 2012 at 5:48 PM, amvis wrote:
>
> i need to get the values from the :branch. so when i call the function *
> authenticate_for_branch*, how to pass that branch
i need to get the values from the :branch. so when i call the function *
authenticate_for_branch*, how to pass that branch and accept that...?
Thank you
vishnu
On Tuesday, 3 April 2012 08:09:14 UTC-4, Colin Law wrote:
>
> On 3 April 2012 12:55, amvis wrote:
> > Just i called one function in
On 3 April 2012 12:55, amvis wrote:
> Just i called one function in my program, but i need to pass one
> json parameter...But getting the error like
> ArgumentError (Unknown key: branch_id):
>
> CODE
>
> branch1(params[:branch])
>
> def branch1(branch)
> branch123 = Branch.find(params[:branch])
Just i called one function in my program, but i need to pass one
json parameter...But getting the error like
*ArgumentError (Unknown key: branch_id):*
*
*
CODE
*
*
*branch1(params[:branch])
*
*
*
*def **branch1**(branch)
*
* branch123 = Branch.find(params[:branch])
*
*end*
*
*
And my rest-client
taglib-ruby.
Next time, please google before posting.
Dheeraj Kumar
On Tuesday 3 April 2012 at 3:44 PM, Rajesh B. wrote:
> Hi
>
>
> I am developing a music related project. in ruby on rails
>
> in that when a user uploads an mp3 file . can i extract its image if
> present and other inform
Hi
I am developing a music related project. in ruby on rails
in that when a user uploads an mp3 file . can i extract its image if
present and other information like
artist, album by artist, similar to i tunes player does.
So is there any possibility to do that ?
Thanks in advance
Rajesh Rathod
login_user should be inside a before_each block.
Dheeraj Kumar
On Tuesday 3 April 2012 at 3:34 PM, Aashish Kiran wrote:
> Hi all,
> I could not run a simple test case. My app uses devise,rspec, etc. The
> problem code is at http://pastie.org/3719793
>
> can anyone please help
> Thank you,
> A
Hi all,
I could not run a simple test case. My app uses devise,rspec, etc. The
problem code is at http://pastie.org/3719793
can anyone please help
Thank you,
Aashish
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on
On 2 April 2012 23:10, Serafino Picozzi wrote:
> There is no reverse, it's a regular has_one belongs_to association.
The reverse relation is then MenuItem has_one Page. That is what you
had not told us.
Colin
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Thanks, got the solution...
On Tuesday, 3 April 2012 04:20:50 UTC-4, pavling wrote:
>
> On 3 April 2012 09:12, amvis wrote:
> > class User < ActiveRecord::Base
> > has_one :system_admin
> > end
> >
> > @user = User.find_by_user_name(user_name)
> > if !@user.system_admins.nil?
> >
drat another road block...
So now I wish to create Names and I can't fiond the secret sauce.
my old create action was simply a variation on the normal..something
like this..
def create
@name = Name.new(params[:name])
respond_to do |format|
if @name.save
else
end
end
end
How
On 3 April 2012 09:12, amvis wrote:
> class User < ActiveRecord::Base
> has_one :system_admin
> end
>
> @user = User.find_by_user_name(user_name)
> if !@user.system_admins.nil?
> puts 'am a sys_admin'
>
> The above code gives error
Since you've defined the associ
*class SystemAdmin < ActiveRecord::Base*
* belongs_to :user*
*end*
*
*
*class User < ActiveRecord::Base*
* has_secure_password*
* *
* has_one :system_admin *
*end*
*
*
*@user = User.find_by_user_name(user_name)*
* if !@user.system_admins.nil?*
* puts 'am a sys_adm
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