dhh | Framework for web-development with Ruby | Web Framework library
kandi X-RAY | dhh Summary
kandi X-RAY | dhh Summary
Welcome to Dhh project! This web framework created as an easy to use and small clone of Rails, which is working on top of Rack. 2018 NOTE: Hey, it's long time since I've not contributed to this project, I think I know where I wanna lead this. It will be async highlevel framework, super simple, super lightweight. Stay tuned.
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Top functions reviewed by kandi - BETA
- Initializes the Rack application .
- Gets up the path for a controller .
- Render the given template name
- Creates a new HTTP response .
- Convenience method for controller name
- Initialize environment
- Create a new request object .
- Render the response .
dhh Key Features
dhh Examples and Code Snippets
Community Discussions
Trending Discussions on dhh
QUESTION
I have a dataframe with two columns looking like this:
...ANSWER
Answered 2021-Mar-26 at 10:21Use DataFrame.merge with DataFrame.melt:
QUESTION
I am using Action Caching which seems to work OK with Rails 6.
The issue is how to expire the cache when the underlying model is updated?
According to Rails Guides
See the actionpack-action_caching gem. See DHH's key-based cache expiration overview for the newly-preferred method.
According to the Action Caching gem issue, using a Rails Observer to sweep the cache would work.
https://github.com/rails/rails-observers#action-controller-sweeper
But Rails Observer does not seem to work with Rails 6.
So, how to expire the cache with an after_save callback?
ANSWER
Answered 2021-Feb-27 at 07:24You can pass in your own cache_path to expire the key. You still need to fetch some record to calculate it though.
QUESTION
Here is my code
...ANSWER
Answered 2020-Jun-23 at 09:12I'm not exactly sure what you're trying to do, but maybe this helps?
QUESTION
I have uploaded two csvs and I'm using a reactive() in shinyr to manipulate the csv data. However am getting this error
Error in $: object of type 'closure' is not subsettable
Am quite new to R, how can I get past that error?! Thanks
...ANSWER
Answered 2019-Apr-17 at 13:11You reference the mk reactive value without parentheses, which are required because technically the object is a reactive function. This should solve your issue:
QUESTION
About this matter, Rails guides and Rails documentation both didn't work. I wrote something like this and ran it
...ANSWER
Answered 2018-Oct-15 at 08:22Accessing request in controller tests is no longer supported in Rails 5, since controller test classes are inheriting from ActionDispatch::IntegrationTest, while they were inheriting from ActionController::TestCase in Rails 4.
To set request header in controller tests, you need to do this:
QUESTION
I am developing an app in which I want to use transliteration from Hindi to English via speech input. for that, I am using google STT API. Everything works when my voice input is short, but when I give long voice input, Dialog gets stuck at "Try Saying Something..." and I don't get results a well.
This is my Main Activity:-
...ANSWER
Answered 2018-Jul-31 at 05:14The Problem is in Google's Implementation. I was facing the same type of difficulty and tried all the things, but did not work on anything.
So, i went on another way to solve this problem and the solution is implementing listeners by yourself. Here is my code for the same, it never popup the Inbuilt dialog (You can implement your custom dialog), but it works like charm.
Here is how you can do it :
QUESTION
im building a chat app and having a bug that when you type a message it displays two messages instead of one , but when i reload the page then the duplicates dissapear. Can someone please tell me what the problem is ? thanks !
javascripts/channels/room.coffee
...ANSWER
Answered 2017-May-19 at 21:05you need to disable turbolinks Remove the gem 'turbolinks' line from your Gemfile. Remove the //= require turbolinks from your app/assets/javascripts/application.js . Remove the two "data-turbolinks-track" => true hash key/value pairs from your app/views/layouts/application.html.erb. Done!
QUESTION
there!
I'm using Github API to get the list of pull requests on a repo;
My auth token is valid and I'm receiving a valid JSON response from Github
...ANSWER
Answered 2018-Jun-12 at 21:00You can use Github Search issues API :
QUESTION
I would like to scrape Dividend Future Prices from HKEX.
Here's the URL of this site : http://www.hkex.com.hk/Market-Data/Futures-and-Options-Prices/Equity-Index/HSCEI-Dividend-Futures?sc_lang=en#&product=DHH
I wanted to scrape Prev.Day settlement price of the "Dec-19 Contract" via VBA. However, it doesn't have any class name or id, so I have no idea how to access the information.
...ANSWER
Answered 2017-Nov-10 at 11:36Use getElementsByTagName. Identify your and then go through each row and each td in rows. Something like that.
QUESTION
I notice in Rails tutorials sometimes the authors make helper methods that are only used one time. This strikes me as ridiculous but while learning ActionCable I noticed that DHH did the same thing in his introduction for ActionCable 2 years ago. So maybe there is a point to it that I am missing. Just for illustration, here is the code from DHH.
...ANSWER
Answered 2017-Oct-30 at 18:59What you have written is fine but in ruby on rails there are processes to follow & it's your own choice to follow or not.
We use helpers for following reasons .
- Organise the code well in the application.
- Use DRY concept so that , if require same helper method can be use by multiple methods or actions .
Hope it clear the purpose of using helpers in ruby on rails application.
Thanks & Regards Harender
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