## Development Describe how to get started with the project. Document employed 3rd party services and how to use them, how to start a development server – just about
...config the HTML screenshot will reference assets in the same location where your development server usually provides them. Make sure to add this to config/environments/test.rb # Do not generate digests for...
...for HTTP or 443 for HTTPS. You can use nmap to find out what service is running behind a given port, and most often see some details about it. This...
...can be helpful if servers don't offer the services you expect for some ports. If you'd like to see what ports are listing on your local machine, you...
...code, it can just merge all files together. You may need to restart your server if you add files to config/locale. Using subfolders You can also use subfolders, but then...
...a state transition while updating the record. To process a form with multiple buttons, your server-side code will need to know which button was pressed. To do so you...
...on http://127.0.0.1:39949 You can disable this behavior by tweaking Capybara's Puma server in your spec/support/capybara.rb: Capybara.server = :puma, { Silent: true } Note You don't need to configure this...
...your cookies. There is simply no case when the browser would talk to the server via unencrypted http:// requests. Why you might need secure-only cookies anyway A security audit...
...Rails app you can add a middleware that automatically sets the Secure flag to all server-set cookies. The flag is only added for secure requests, so cookies will still...
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself. Here we build a simple SVG image and wrap it into...
...attached JSFiddle for an example. Ruby If you like to do it on the server, here is some Ruby for you: def svg_uri(text) svg = <<~SVG #{text} SVG
...Capybara will wait for a short time before raising NoSuchElementError. This is sufficient for basic, server-rendered application. However, as frontends become more complex (more JavaScript, AJAX requests, animations), race...
up.util.isEqual([1, 2], [1, 2]) // => true If you are writing server-side code in Node.js you can use isDeepStrictEqual(): import { isDeepStrictEqual } from 'util' isDeepStrictEqual([1, 2], [2, 3]) // => false...
...pages, so to test it in development, you will have to start your development server with SSL...
...where I had to export records from a local database, transfer it to a server and import it in the server database. 1. export def dump_to_file(list)
...received in response to a POST (or PUT/DELETE), the client should presume that the server has received the data and should issue a new GET request to the given URI...
...logs all system calls performed by a process. To do this, start your rails server using something like DISABLE_SPRING=1 strace -e trace=file -f bin/rails s
...gems for e.g. the Ruby version 2.6.5 are installed in this directory on our servers (relative to the current app directory) ../shared/bundle/ruby/2.6.0/gems As you can see, the same gems are...
...the patch level of the .ruby-version in the current release directory of all servers of that deployment target to the new version and deploy again. Because on the first...
...need to pay attention if you redirect outside of Rails, e.g. via your web server configuration. Dealing with incorrectly cached redirects The only fix is to keep redirecting the user...
...font-awesome": "4.7.x", "jquery": "2.2.4", "marked": "0.3.2", "select2": "./vendor/asset-libs/select2", }, "devDependencies": { "webpack-dev-server": "3.x" }, "resolutions": { "jquery": "2.2.4" } } 6. Merge the content of the application.js and application.css to the...
...rake assets:precompile. Remember to remove the folder public/packs afterwards. 11. Configure Capistrano and servers such that all servers share assets 12. Add a binstub for yarn if it's...
...boxes are usually built by observing changes in a text field, and querying the server via AJAX for search results or suggestions when the field has changed. A common problem...
...field for changes every 0.75 seconds or longer. It will still fail when the server is busy or on flaky connections. A cleaner solution would be to check whether a...
...To do that you need the secret key which should only live on the servers. Do not download these key files to your local dev environment. They are sensitive and...
...is a European marketing association which has introduced a standard how advertising can be served to users in line with the General Data Protection Regulation (GDPR). This standard is called...
...to a rough geographic region of the user", or "vendor X is allowed to serve personalized advertising based on user behavior", or "vendor X is allowed to use user data...
...allow scientific notation like "1e3"). Non-technical users will be confused by this. Your server needs to understand that syntax. If it converts only digits (e.g. to_i in Ruby...
...response in form round trips, since the id can not be assigned by the server while it may be outputting Unpermitted parameter: :id within the console. You are not setting...
...a validation a malicious user can quickly exhaust the hard drive of your database server. In legacy Rails (or database schemas migrated from legacy Rails), database types :string and :text...
Values in the JavaScript API or when submitting forms to the server will always use a point as decimal separator (i.e. "1.23" even when the browser displays...