Sometimes the need arises for SSL in local development. We have guides for different webservers, this one is for puma. make sure mkcert is installed create an SSL certificate for...
...bundle exec rails s Accept the certificate in your browser See also Creating a self-signed certificate for local HTTPS development
...type of network card is used for a given network interface on a linux system, e.g. because the system has multiple network cards, try and match the driver to the...
...interface name: $ ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback...
...is great when dealing with JSON data. Check out the official jq Manual. Content Select only specific keys Modify keys Set default value Filter by key name Delete specific keys...
...Overwrite/add nested key value Select only specific keys Command jq '.[] | { Name, OriginString }' Input [ { "Id": 1, "Name": "foobar.net", "OriginString": "/FOOBAR/foobar.net" }, { "Id": 2, "Name": "barfoo.baz", "OriginString": "/FOOBAR/barfoo.baz" } ] Output { "Name": "foobar.net", "OriginString": "/FOOBAR/foobar.net...
Option 1: Creating a self-signed certificate with the openssl binary As igalic commented on this gist. openssl req -new -newkey rsa:2048 -sha256 -days 365 -nodes -x509 -keyout server.key...
make it an X.509 certificate, not a Certificate Signing Request. Option 2: Creating a self-signed certificate with the mkcert binary The linked tool mkcert helps you to setup...
If you're using a Redis cache in Rails (e.g. :redis_cache_store), it's possible to configure additional parameters for your Redis connection. Example config for Rails 7.2
...store = :redis_cache_store, { pool: { timeout: 0.5 }, read_timeout: 0.2, # default 1 second write_timeout: 0.2, # default 1 second # Attempt two reconnects with some wait time in between reconnect_attempts...
The benefit of the Rails asset pipeline is that it compiles your stylesheets and javascripts to a single file, respectively. However, the consequences are startling if you don't understand...
...all your asset libraries in the same folder, which quickly becomes confusing as your set of assets grows. To overcome this, we have two different solutions. Custom solution
...loading associations. By preloading associations you can prevent the n+1 query problem that slows down a many index view. You might have noticed that using :include randomly seems to...
...involved table with a condition like...
...WHERE id IN (123, 125, 170). Execute a single query for a huge table joined from all involved tables. ActiveRecord prefers option 1, probably...
...not necessary to add a version constraint next to your packages in the package.json. Since all versions are saved in a lockfile, everyone running yarn install will get exactly the...
...within the yarn install command: Before: unpoly@^2.7.2: version "2.7.2" resolved "https://registry.yarnpkg.com/unpoly/-/unpoly-2.7.2.tgz#55044c08bce0984c000f7cd32450af39271727de" integrity sha512-jfBbBRBQMCZZcNS6fckKpFunfdiTDBXW8yxRKqLs09jSrYYUDPd+YuyDoXjABXOro0aDUIMcmyTc7moc1/Z5Tw== After: unpoly@x: version "2.7.2" resolved "https://registry.yarnpkg.com/unpoly/-/unpoly-2.7.2.tgz#55044c08bce0984c000f7cd32450af39271727de" integrity sha512-jfBbBRBQMCZZcNS6fckKpFunfdiTDBXW8yxRKqLs09jSrYYUDPd...
...are using the routing-filter gem in your Rails 7.1 app for managing URL segments for locales or suffixes, you will notice that the filters do no longer apply, routes...
...your controller action. This way you receive a locale parameter from a matching URL segment. Before Rails 7.1, this method returned all associated routes (as enumerable) and the using methods...
...a RubyMine plugin that enables you to review and process merge requests within RubyMine! Setup Open RubyMine settings (Ctrl + Alt + S) > Plugins > Search for "GitLab" > Install (You might need to...
...re-open settings afterwards.) In the RubyMine settings > Version Control > GitLab > Connect your GitLab account with "+" Working with merge requests From the Actions menu (Ctrl + Shift + A), choose "View merge...
...for an option like Yarn's --frozen-lockfile which validates that. Here is what seems to be the way to do it. Using npm clean-install Running npm clean-install...
...versions while npm clean-install will complain. You can use npm ci as a shortcut for npm clean-install. Combine with a cache The idea of a "clean install" is...
...to accept nested attributes for a record that is not an association, e.g.: class Site < ActiveRecord::Base def home_page @home_page ||= Page.find_by_name('home') end does 'accept_nested...
...attributes_for_member', :home_page end It has some limitations: Only works for singular member references ("belongs to"), not for a collection of references ("has many") No support for deletion...
...from the app/models folder to the lib/ folder. The approach is applicable to arbitrary scenarios and not limited to API clients. Example Let's say we have a Rails application...
...that synchronizes its users with the Github API: . └── app └── models ├── user │ ├── github_client.rb │ └── sychronizer.rb └── user.rb In this example the app folder contains domain dependent code (user.rb and sychronizer.rb) and domain independent...
...set the Sass options. Webpacker const sassLoaderConfig = environment.loaders.get('sass') const sassLoaderIndex = sassLoaderConfig.use.findIndex(config => { return config.loader === 'sass-loader' }) // Disable deprecation warnings inside dependencies sassLoaderConfig.use[sassLoaderIndex].options.sassOptions.quietDeps = true sassLoaderConfig.use[sassLoaderIndex].options.sassOptions.silenceDeprecations = ['import...
module.exports = { module: { rules: [ { test: /\.s[ac]ss$/i, use: [ "style-loader", "css-loader", { loader: "sass-loader", options: { sassOptions: { quietDeps: true, silenceDeprecations: ['import'], }, }, }, ], }, ], }, }; ESBuild esbuild.build({ // ... plugins: [ sassPlugin({ quietDeps: true, silenceDeprecations...
...browser's HTTPS handling works as expected (which might be compromised e.g. due to security products or enterprise proxy servers...
This is a short overview of things that are required to upgrade a project from the Asset Pipeline to Webpacker. Expect this upgrade to take a few days even the...
Cleanup Remove all gems you used for assets and the Asset Pipeline itself, e.g. sass-rails, uglifier, autoprefixer-rails, sprockets-rails, jquery-rails, bootstrap-sass and many more.
...use heredoc to avoid endlessly long lines of code that nobody can read. Heredoc strings preserve linebreaks and can be used like this: def long_message puts(<<-EOT)
...a very long message... Sincerely, foobear EOT end <<-EOT will be somewhat of a placeholder: anything you write in the line after you used it will be its value until...
...git rebase -i main. What it does: Opens an interactive rebase UI to choose squash/edit/fixup for each commit of your branch until the first commit (the base). Keeps your branch...
...s base intact (no rebasing onto main). Lets you squash, reorder, edit, or drop commits. Info This is not the same as git rebase -i main, which would rebase your...
...the test, as if the callback function is not executed in the test. However, since the test does not fail, the method :my_method must have been called during the...
...where the method :my_method should be called This will execute the original implementation (see here...
...to add some custom functionality. This card contains some tips how to achieve this. Setup Basically, follow the guide in the Rails documentation. The automated script may not work with...
...it should be easy to fix. If you don't want the default css shipped with Action Text, you can copy the stylesheet from basecamp's github into your project...
...t easily customizable. Example usage /slackfont Comic Neue to use "Comic Neue" (if installed) /slackfont system-ui to use your desktop's system font in Slack. /slackfont (without an argument...
...the default font. Some fonts may be unavailable If you installed Slack through Snap, only system-wide installed fonts (i.e. fonts located in /usr/share/fonts/ or /usr/local/share/fonts/) are available.
...s possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served applications running whose paths begin with '/var/www/example.com'. *** [err :: example.com] This is just because there were...
...no running passenger process for this application on the server which could be restarted. It's not a real error. The application process will start if the first request for...
You have the following HTML structure:
If you want to run Javascript code whenever someone clicks on a ...
..., you can do this in three different ways: function code(event...
...alert("Someone clicked on .my-target!"); } document.addEventListener('click', function(event) { if (event.target.closest('.my-target')) { code(event) } }) document.querySelector('.container').addEventListener('click', function(event) { if (event.target.closest('.my-target')) { code(event) } })
When you make a simple TCP connection to a remote server (like telnet), your client won't normally notice when the connection is unexpectly severed on the remote side. E.g...
...if someone would disconnect a network cable from the server you're connected to, no client would notice. It would simply look like nothing is being sent. You can detect...