Unless you changed the default, this will be 16 MB: mysql> SHOW VARIABLES WHERE Variable_name="max_allowed_packet"; +--------------------+----------+
In case you're wondering, when concat-ing server certificate and intermediate certificates, the server certificate comes first. RFC 4346: certificate_list This is a sequence (chain) of X.509v3 certificates...
Search engines, such as Google and Bing are engineered to crawl static web pages, not javascript-heavy, client-side apps...
...esbuild.config.js: external: ['*.ttf'], During the next steps you have to make sure that sprockets serves them correctly and rewrites the paths if necessary. Prepare Sprockets to serve the assets bundled...
...tag and javascript_link_tag to match the new pack names. start the development server with the command bin/dev and check that everything works and looks good. Finish
...connection usually takes only a few seconds, but if you’re connecting to a server multiple times in succession the overhead starts to add up. If you do a lot...
...of Git pushing and pulling or frequently need to SSH to a dev server, you’ve probably felt the pain of waiting for SSH to connect so you can get...
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...
...for maintenance pages The best HTTP status code for your maintenance page is "503 Service Unavailable": The server is currently unable to handle the request due to a temporary overloading...
You need to install the following packages before you can build the Paperclip gem: sudo apt-get install imagemagick librmagick...
RawGit serves raw files directly from GitHub with proper Content-Type headers, for CDN-like purposes. Note that they don't offer any uptime guarantee. You probably don't want...
...to use it in production, but it may serve you well for some testing/prototyping/etc...
Learning goals You can explain what a cookie is, how browser and server exchange it, and which attributes control its lifetime and scope (expiry, domain, path, Secure, HttpOnly...
...belongs in a cookie, in the session, in the database — or nowhere on the server at all. Learn What is a Cookie? Google it if you do not know.
Our workstations and servers run Linux. This lesson covers the command-line tools you need every day, from file and process handling to SSH and shell scripts. Important
...in bash and in Ruby, using a shebang line. You can connect to a server with SSH and copy files to and from it, and you can explain why you...
You won't usually have to do this. It's OK to route all formats to a controller, and let...
...sometimes outside of our control. For example, on one of our bigger projects, our servers are on a denylist for all of Microsoft's cloud e-mail (like @outlook.com) for...
...were rejected. We then started to send out e-mails via Amazon's SES service, only to discover that we were now blocked by several German providers like @web.de.
...schedule a cronjob with whenever, and explain what each run costs and on which servers it should run. You can test code that enqueues and performs jobs. You can compare...
...what whenever generates for you 📄 Decide whether cronjobs should run on one or all servers — our card Alternatives We use GoodJob, which stores jobs in PostgreSQL — no extra service to...
...Queue Adapters by Environment Environment Adapter Jobs Run In Worker Needed? development :async Rails server process No test :test Not executed (stored) No production :solid_queue Separate worker
...Jobs execute immediately in a background thread within bin/rails s and write to the server logs. bin/jobs does nothing in development, jobs already run in-process via :async.
Enter the hostname of a server to test it for CVE...
Local testing allows you to test your private and internal servers using the BrowserStack cloud, which has support for firewalls, proxies and Active Directory...
...readonly attribute. Be aware of the differences: disabled fields don’t post to the server don’t get focus are skipped while tab navigation available for button, fieldset, input, select...
...Firefox cancels any JavaScript events at a fieldset[disabled] readonly fields post to the server get focus are included while tab navigation only available for input[type=text], textarea
...It covers a lot of ground, including routing and data transfer between client and server...
...bar, etc.) files created by (badly-behaved) Mac OS X systems on non-AFP server volumes...
...chrome queue limited to 1 for e.g. PDF processing to not overload the application server an api queue, that limits a queue to 2 to protect the API server from...
...too many requests in parallel Example: Sidekiq.configure_server do |config| # Edits the default capsule config.queues = %w[critical default low] config.concurrency = 5 # Define a new capsule which processes jobs from the...
...them suitable for in-browser coding of languages like HTML, CSS, Javascript, or your favorite server-side language. The idea is to be able to use a press of the...
...at first, but is required for Time.current to work properly. If possible, put your server into local time zone, since Ruby's Time will use that. In the example above...
Time.now will be your local time (or the local time of your server) >> Project.create! >> Project.connection.select_one('SELECT created_at FROM projects') => {"created_at...
If you use Nginx with SSL and get an intermediate certificate with your certificate you have to do this:
...affected table. Warning pg_repack writes a copy of the whole table. The database server needs to have at least ($size_of_biggest_table * 2) + some buffer free disk space...
Install pg_repack, e.g. for Ubuntu install the package according to your PostgreSQL Server version. There is no need to restart the PostgreSQL Server. $ sudo apt-get install postgresql...