...use puppet-lint to find dead code in your project: # You probably need to set some ENV Variables, see https://github.com/voxpupuli/puppet-ghostbuster#environment-variables export HIERA_YAML_PATH="/home/bob/code/puppet/hiera.yaml" export PUPPETDB_URL...
...discouraged to load your JavaScript by a tag in the : The reason is that a tag will pause the DOM parser until the script has loaded and executed. This will delay the browser's first contentful paint. A much better default is to load your scripts with a tag: A deferred script has many useful properties: It does not block the browser from rendering content. Deferred scripts...
...can query the entire DOM tree with querySelector() and friends. document.readyState is 'interactive'. Deferred scripts will run before the DOMContentLoaded event. That means if your code waits to initialize until...
...not necessary to add a version constraint next to your gems in the Gemfile. Since all versions are saved in the Gemfile.lock, everyone running bundle install will get exactly the...
...You are not checking in the Gemfile.lock into the version control (not recommended) A specific gem has a bug in a more recent version (adding a comment for the reason...
...in development. Note that there are services like badssl.com to test against weird SSL behavior. Self-signed certificates Talking to a host using a self-signed certificate will fail because...
...the certificate can not be verified. >> RestClient.get('https://self-signed.badssl.com/') RestClient::SSLCertificateNotVerified: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed Self-signed certificates...
By default, Devise sends all emails synchronously with deliver_now. To change that, Devise's readme suggests overwriting the send_devise_notification method like this: class User def send_devise...
...notification(notification, *args) devise_mailer.send(notification, self, *args).deliver_later end end However, there is one problem: When deliver_later enqueues the mail with ActiveJob, the job arguments are logged. In...
The change_column method for rails migrations support casting with a custom SQL statement. This allows us to change a column type and keep the former content as the new...
...number, 'int USING CAST(rating AS int)' end end Warning This migration's rollback strategy will fail, if any existing entry can't be casted. This is likely to happen...
The functions below pack your current work (diffs, full repos, or specific commits) into XML/Diff files, which are then load into your clipboard as File Uploads. My...
nvm exec 22 npx repomix@latest \ --ignore "$dyn_ignores" \ --output "$out_dir/$base_name.xml" \ --split-output "2mb" \ --quiet local files=() if compgen -G "$out_dir/$base_name*.xml" > /dev/null...
...is a checklist I use to work on issues. For this purpose I extracted several cards related to the makandra process and ported them into a check list and refined...
...main/master branch Branch off the master with geordi branch or manually Name your branch like sort-users-by-name-73624, i.e. start with the issue id, then a shortened description...
When your public-facing application has a longer downtime for server maintenance or long migrations, it's nice to setup a maintenance page to inform your users. When delivering the...
...maintenance page, be very careful to send the correct HTTP status code. Sending the wrong status code might get you kicked out of Google, or undo years of SEO work...
...yml files. You may override those application-wide error messages using model or attribute scope like this: en: activerecord: errors: messages: invalid: is invalid # used for any invalid attribute in...
This card is just about creating simple PostgreSQL dumps. This is no instruction for a backup strategy nor a guide for SQL dump performance optimization. Read before starting
...assume that all commands will be executed as local postgres user on a database server master. Please mind that you should stop the replication on a slave PostgreSQL server before...
...Request, visit /__better_errors on your app's root path (e.g. http://localhost:3000/__better_errors). It shows the error page for the last exception that occurred, even when it has been triggered...
Ubuntu 18.04 uses systemd to manage services. There are basically two commands for listing all services and manipulating the state of a certain service: service and systemctl: service manages System...
...which system V init scripts are available and running / not running, you can use service --status-all: >service --status-all [ + ] acpid [ - ] alsa-utils [ - ] anacron [ + ] apache-htcacheclean [ - ] apache2 [ + ] apparmor [ + ] apport
...does a feature look and feel). Frequent deploy gets changes to users faster. We sleep better, because we know stuff still works. Make sure no one removes a feature by...
...to write both with "should" and "expect" You should know how to enable the old #should-syntax in RSpec 3 Understand what "Test the behavior, not the implementation" means.
To work with other type of nodes (like text, comment or CDATA sections) you need to: Retrieve child nodes contents() (which behaves like children() except that it returns...
...element and returns an array of all child nodes that are text nodes: function selectTextNodes($container) { return $container.contents().filter(function() { return this.nodeType === 3; }); } Also check out this list of existing...
If you migrate a Rails application from Sprockets to Webpack(er), you can either transpile your CoffeeScript files to JavaScript or integrate a CoffeeScript compiler to your new process. This...
...to the global namespace, define them on window directly: -class @User +class window.User Replace Sprocket's require statement with Webpacker's import statement to load dependencies. -#= require ./person +import './person...
...old to match the format created by pg_dump. The version of the PostgreSQL server doesn't matter here. For example, the official Ubuntu 20.04 sources include only PostgreSQL...
...amd64] after deb so that it reads deb [arch=amd64] https://... or deb [arch=amd64 signed-by=.... Workaround Step 2: Connect with host option The latest PostgresQL client will only...
There is a practical short list for valid/invalid example email addresses - Thanks to Florian L.! The definition for valid emails (RFC 5322) can be unhandy for some reasons, though.
...provides a built-in email regex URI::MailTo::EMAIL_REGEXP. That's the best solution to work with. /\A[a-zA-Z0-9.!\#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0...
...PATH << File.expand_path('../../lib', __FILE__) require 'my_cli' MyCli.run! However, if you create a symlink to this file, this will no longer work. __FILE__ will resolve to the path of...
...the symlink, not to its target. One solution is to use File.realpath(__FILE__). In Ruby 2+ you can also use this: $LOAD_PATH << File.expand_path('../lib', __dir__) __dir__ is simply...
By activating strict_loading you force developers to address n+1 queries by preloading all associations used in the index view. Using an association that is not preloaded will raise...
...an ActiveRecord::StrictLoadingViolationError. I think it's a good default to activate strict_loading in your controllers' #index actions. This way, when a change introduces an n+1 query, your...
...this.boundStopLock = this.stopLock.bind(this) // Stream rendering document.addEventListener("turbo:before-stream-render", this.boundLockTurboStreamRendering) // Form submission document.addEventListener("turbo:submit-start", this.boundStartLock) document.addEventListener("turbo:submit-end", this.boundStopLock) // Network activity document.addEventListener("turbo:before-fetch-request...
...render", this.boundStopLock) } disconnect() { // Stream rendering document.removeEventListener("turbo:before-stream-render", this.boundLockTurboStreamRendering) // Form submission document.removeEventListener("turbo:submit-start", this.boundStartLock) document.removeEventListener("turbo:submit-end", this.boundStopLock) // Network activity document.removeEventListener("turbo:before-fetch-request...
When using tmux, selecting and copying multiple lines of text can be a hassle, especially when using splits (highlighting lines will cross pane borders, copying contents from the other pane...
...too) and when the user wishes to copy (thus, select) lines that have already scrolled out of the viewport in the current pane. One idea would be to enable mouse...
Download buttons can be difficult to test, especially with Selenium. Depending on browser, user settings and response headers, one of three things can happen: The browser shows a "Save as...
...dialog. Since it is a modal dialog, we can no longer communicate with the browser through Selenium. The browser automatically downloads the file without prompting the user. For the test...
...Optionen können optional enthalten sein? Für was dient der User-Agent Header? Was tut der Set-Cookie Header? Was sind Cookies? Was hat es mit HTTP keepalive auf sich?
...Beyond with Socket.io WebSockets Explained Cross-Origin Resource Sharing (CORS) Content Security Policy (CSP) HTTP Strict-Transport-Security (HSTS) HTTP authentication Nginx Nginx Admin Guide Nginx docs -> Es ist empfehlenswert...