upstream sent too big header while reading response header from upstream, client: 192.0.2.100, server: localhost, request: "GET /index.html HTTP/1.1", upstream: "http://198.51.100.123:80/index.html", host: "192.0.2.10:80" The cause
...handle, resulting in a HTTP 503. Due to the error, Nginx marks the upstream server as down for as long as fail_timeout is set to. When enough requests of...
...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...
...or the ENV variable RUBY_YJIT_ENABLE=1 for starting Rails processes on your server...
...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...
...bind '0.0.0.0', 3000, { key: localhost_key, cert: localhost_crt, verify_mode: 'none' } start your server as usual, but go to https://localhost:3000 bundle exec rails s Accept the certificate...
...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...
...is raised in your app you want the following things to be true: Your server should not crash (your Ruby process should continue to run) Your user should receive an...
...between two runs is fetched and executed immediately. This is especially risky for MCP servers and other dev tools commonly launched via npx @scope/tool. Try to avoid npx, or only...
...Detecting and correcting the image orientation does not require extra hardware on our web servers, it just adds a bit of complexity to the overall pipeline. Approach Tesseract ships with...
...shell variable PS1 holds your bash prompt. You might want to change it to serve your needs best. Here is how to: General non-printing escape sequences in your prompt...
...a directory index when you access http://yourpage.com/system/attachments. You can configure your apache server to expire file-URLs after some time, so they are only available as long as...
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...
...you to log to multiple sinks. You know this behavior from from the rails server command, that both logs to standard out and the log/development.log file. Here is an example...
...ActiveSupport::BroadcastLogger.new(stdout_logger, file_logger) broadcast.level = Logger::INFO config.logger = broadcast end end Sidekiq.configure_server do |config| if ENV['RAILS_ENV'] == 'development' || ENV['RAILS_ENV'] == 'test' stdout_logger = ActiveSupport::Logger.new...
PostgreSQL MVCC How does MVCC work? Write-Ahead Logging (WAL) Log-Shipping Standby Servers PostgreSQL VACUUM Investigating slow PostgreSQL Index Only scans Aufgaben Starte PostgreSQL mit einem Docker Container...
...sender address of the application's domain, our operations team will have configured your servers and DNS records to cover the most obvious cases (SPF records, reverse DNS lookup, etc...
...creation on deploy before, you can do it like this: Install geordi on your servers. It brings the dumple script. Store the attached db.rake to lib/capistrano/tasks/. Require it by adding...
Note that we prefer not using the Rails asset pipeline at all and serving all assets through Webpack for the sake of consistency. Preparations Remove version locks in Gemfile...
Remove version locks in package.json for webpack and webpack-dev-server Install by calling bundle update webpacker and yarn upgrade Update file contents Work through the Webpacker...
...the load of your application. Decide whether cronjobs should run on one or all servers Note We use the whenever to automatically rewrite the crontab when we deploy. You have...
We use the whenever gem to automatically update the crontab of the servers we deploy to. By default, whenever will update all servers with a matching role (we use the...
Just like we use gems on the server, we use third party JavaScript libraries in the browser. These typically provide functionality like: General support libraries like Lodash Frontend Frameworks like...
...Look at The cost of JavaScript (2019, 2023) to figure this out. Understand the service Bundlephobia Try to add lodash to MovieDB Use yarn add lodash, then import it in...
...clients, we want to review all code written before it goes to the staging server. Note: This process is tailored to our specific needs and tools at makandra. While it...
...sufficient context is provided. Example Create notification.resolver.ts: Return the state$ property from the notification service: Use an async resolver; Update overview.component.ts: Replace injected notification service: Use @Input() id: number with...
...pattern more frequently than necessary. With experience, it can fully replace manual edits and serve as a solid foundation for correctly specifying requirements and plans in more advanced AI-based...
...Rails: How to write custom email interceptors Check if you have a local mail server listening Ensure that e-mail arrives at the inbox without being blocked
...Uses a filename from the response URL if no filename is sent by the server. Does not leave the current page when downloading. Works with both static files and send...
Fails the test if the server doesn't respond with a HTTP 2xx status. Works in CI. Limitations The helper cannot inspect downloads that are triggered or created by...