...path is /etc/ImageMagick/policy.xml Remove/Comment lines after If you need it enabled for an app server, ask your operations team to do that for you...
...work with other Linux distros, as long as you are using the Xorg display server. It likely won't work on Wayland. The script assumes that external display order is...
...nginx is much more straightforward. A reverse proxy is a "man in the middle" server that tunnels requests to another server. You can use for things like: Expose a local...
...service that you cannot directly reach over the internet "Change" the domain or path of a web application by rewriting them on the fly Instantly change servers that respond to...
...more processes than just your tests while your test suite is running: The Rails server booted by each test process (in a separate process) The Chrome browser started by each...
Your IDE Your window environment Background services Fixing flaky tests Running fewer test processes is only a bandaid. Your test suite has issues with uncontrolled timing issues. Reducing...
...stricter settings than the more liberal MariaDB. If your app explodes after changing SQL servers, you might be able to fix it by setting the SQL mode to the value...
...in your previous server version. Important SQL mode flags These SQL modes will probably give you the most headaches: STRICT_TRANS_TABLES, STRICT_ALL_TABLES Introduced in MySQL 5.7, these...
...APIs versus "asynchronous" APIs? Why does fetch() not simply return the response from the server? Why is asynchronous code such a big issue in JavaScript (as opposed to the code...
You can either implement your own API backend or use the free service at api.random.org. If you chose the the latter, create an account for it and click...
...SEARCHKICK_CLIENT_TYPE).to_sym ENV['OPENSEARCH_URL'] ||= case Rails.env when 'production' OPENSEARCH_PRODUCTION_SERVER when 'staging' OPENSEARCH_STAGING_SERVER else 'http://opensearch:9200' # docker container name end
...setup the opensearch cluster. When the cluster exists, open a console on the staging server with the ENV-variable SEARCHKICK_CLIENT_TYPE set to "opensearch". SEARCHKICK_CLIENT_TYPE=opensearch b...
...img tag in favor of lazy-loading, make sure you have a strategy to serve crawlers, if you need to support them. When the lazy-loaded image is inserted into...
Many features need data from third-party services. In this lesson you integrate geocoding, maps and a title-autocomplete API from JavaScript, and learn to test code that talks to...
...external services. Important Work on this lesson in builder mode. Learning goals You can explain what is involved when a browser talks to a third-party service: API keys, CORS...
...be evaluated when running middleman for the specific environment. Default for the local dev server is development, default for building is production. Activate an environment with -e staging or --environment...
...be "built", too. However, testing in :build mode oddly # takes thrice as long as :server: mode, so you might try and skip this # setting for faster test runs. config[:mode...
...possible that the certificate chain is in the wrong order. Make sure that the server certificate is the first. This is also necessary for nginx. It is recommended to pipe...
...modulus the same syntax applies to RSA and ECDSA certificates: openssl pkey -pubout -in server.key | openssl sha1 openssl req -pubkey -noout -in server.csr | openssl sha1 openssl x509 -pubkey -noout -in...
...on productivity. Advantages No added effort: tests need to be written anyway. Test heads serve as todo lists. You'll always know what is finished and what is left to...
...this use case, any good network-client gem like the http or httpclient gems serve us just well most of the time. The examples below use the http gem ("http.rb...
...ms, then animate) When you wait for I/O most of the time (web servers, crawlers) Most current and future HTML5 browser APIs have async signatures. Async frontend example
...as expected (which might be compromised e.g. due to security products or enterprise proxy servers...
What are their pros and cons? Under which conditions would one of them serve a project better than our process? Coding agents benefit from thorough pre-alignment. Does that...
...cut Ruby classes: each block does one thing. Neither extreme works: one god block serves no second screen, and blocks cut too small can't stand on their own without...
The step definitions below allow you to test the filename suggested by the server: When I follow "Export as ZIP" Then I should get a download with the filename...
...Basically a comprehensive Rails Template. Prepares your development environment and lets you select web server, template engine, unit and integration testing frameworks and more. Generate an app in minutes using...
OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed Here is how to fix that in your application.
...This is only okay-ish for testing something in development. Note that there are services like badssl.com to test against weird SSL behavior. Self-signed certificates Talking to a host...
...those who already own an SSL certificate (e.g. using it in the Apache HTTP Server) and need to feed it to a Tomcat application. The main issue is that you...
...not need to add any intermediate certificate authorities to the keystore. Set up your server.xml You are now ready to use your certificate. Modify your server.xml inside the application directory...
...can explain what the DOM is and how it relates to the HTML the server sent. You can select elements by CSS selector, on the whole document or within a...
...Warum nicht dem Browser verbieten gefährliche Dinge zu tun, z.B. Inline-Skripte auszuführen? Funktionsweise Server setzt einen HTTP-Header, der detailliert beschreibt, welche (potentiell gefährlichen Dinge) die Webseite tun darf...
...z.B. Analytics-Snippet o.ä.), kann man den nonce-Mechanismus verwenden. Dazu generiert der Server für jeden Request einen zufälligen Wert (eine "Nonce"), und schreibt ihn in Header und an...
...passenger worker. Please update the card accordingly if you solve that issue. If your server is running passenger enterprise, rather use that tool to inspect your process.