squeel | Active Record, improved. Live again :) | User Interface library
kandi X-RAY | squeel Summary
kandi X-RAY | squeel Summary
Squeel lets you write your Active Record queries with fewer strings, and more Ruby, by making the Arel awesomeness that lies beneath Active Record more accessible. Squeel lets you rewrite... This is a good thing. If you don't agree, Squeel might not be for you. The above is just a simple example -- Squeel's capable of a whole lot more. Keep reading.
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Top functions reviewed by kandi - BETA
- Constructs a new database connection .
- Creates a ruby node with node
- Expands the configuration config .
- Execute a specific query .
- Unregisters the given extension .
- Adds a node with this node .
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QUESTION
I am more of a Java programmer and still somewhat new to development (2 years or so, can write Java code & web apps just fine) however the company I work for has 4 Rails applications and was asked to get this application working called CtrlPanel. I have been having to learn Ruby on Rails in order to help get this issue with this app fixed and get it working.
I have been working on this problem for over a week all day long every day and nothing I do is fixing it.
I fixed everything to the point the app comes up, web server runs serves the pages but all views are white screens as long as this application.html.haml file is present. I re-wrote the file with very basic bootstrap and it sort of works but nothing looks right. The problem seems to stem from 1 single like that simply says: = javascript_include_tag "application"
I have been all over the internet and have tried every single fix from changing coffee-script-source to v1.8.0 as I read Windows has an issue with newer rails and that file, I have tried every variation of changing it from application to default, and every type of ending you can think of no matter what I do it gives me this error message which I can not seem to find.
I am not even sure WHAT that line does, I assume it has to do with the new Google Maps API and I verified the key is valid and it was working before.
This is the error is it giving it says the line with "= javascript_include_tag" "application" giving error ExecJS::RuntimeError at / SyntaxError: [stdin]:1:1: unexpected //=
I am running a PC on Windows 10 20H2 x64 UEFI ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x64-mingw32] Rails 6.1.3
(I did also install Ubuntu on another machine and it gives the exact same error, also gives the same error on another Windows machine)
The app is working IF I delete the "application.html.haml" file and put in a skeleton basic version all of the other views start working but of course none of them look right no menus no bootstrap no nothing.
Here is the application.html.haml file.
ANSWER
Answered 2021-May-04 at 18:59I did finally figure out what this was.
The older versions of rails in this case v4.2.1 used the javascript_include_tag for the line that deals with application:
= javascript_include_tag "application"
In the newer versions of rails in my case v6.1.3.1 you have to use javascript_pack_tag
= javascript_pack_tag
This solved the issue and the views all started working. I did mention above I was working on a PC running Rails v6.1.3; however I noticed I didn't make it clear that I was also having to upgrade this program from Ruby v2.2.2 and Rails v4.2.1 to Ruby v 2.7.2 and Rails v6.1.3, that might have helped to have made that more clear. Apologies if that confused anyone. I am still VERY new to Rails and using StackOverflow.com. I am happy to report I have only 1 single issue left on this program and the rest of the program is all working properly. I will be posting another question in fact because the last issue deals with a complicated scope query and it uses different syntax again due to the newer version of rails and I haven't been able to figure it out. In any even if you are running an older version of Rails and you are trying to get the program to work on a newer version (my case as I couldn't get rails v4.2 to run or work on ANYTHING, PC, Linux nothing) then you have to change the include_tag to a pack_tag. I do not pretend to say I fully understand why. I know it has to do with webpacker but beyond that I am still learning Rails. Perhaps someone with more knowledge than myself can shed some insite as to why the syntax changed. Oh and in addition the line ended up needing to read as follows:
= javascript_pack_tag "application", "data-turbolinks-track": "reload"
I didn't have the turbolinks reference either.
I hope this helps someone else in a similar situation that I was in, it was not easy to find. I only discovered it when I went through some tutorials on making other generic apps and saw the difference on that line.
QUESTION
I have cloned an existing project and trying to run it in my system. Since this is the first time I don't have any Gemfile.lock file in my directory. I tried running bundle install and the following errors occur:
...ANSWER
Answered 2021-Apr-10 at 18:06In your project directory, try installing rails gem install rails -v 4.1.6 and removing the version from the failing gems like (liquid_markdown, gon, etc..) then try running bundle update then bundle clean --force
I think this might be an issue because all the version of these gems are locked inside your Gemfile
QUESTION
I need to execute the PostGIS function st_intersection within an SQL SELECT clause in Ruby. At the moment I am doing it as raw SQL query:
ANSWER
Answered 2019-Jun-11 at 16:51There are two problems to solve here.
The first is using an SQL function within a .select clause. Ordinarily this is pretty easy—you just use AS to give the result a name. Here's an example from the ActiveRecord Rails Guide:
QUESTION
(I've seen all related questions about this but none of them have worked for me)
On before_update, I need to fetch the last record before self but can't figure out how to query "created_at < self.created_at". I'm trying this:
ANSWER
Answered 2017-May-27 at 19:48In Mongoid, the where syntax is a bit different from ActiveRecord and indeed takes only a single parameter - a hash. For a "less-than" expression you need to use the .lt method on the attribute symbol:
QUESTION
I'm upgrading a Rails app from 3.2 to 4.2 and when running tests, I'm getting NameError: wrong constant name (that's the full error message, nothing saying exactly what it's trying to constantize). Running a single test using --trace provides no additional info. It does seem like it gets as far as one of my factories (using FactoryGirl, pasted below), but the factory definition looks fine to me.
Test output:
...ANSWER
Answered 2017-Apr-21 at 16:37Rails 3.x used a test/unit/model_test.rb whereas rails 4.x uses a new test/models/model_test.rb so probably autoload is not finding the class because of that. Check the differences between the two here for 3.x and here for 4.x
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