...won't need this for single lines of text. In this case it is better to just use the text-overflow property: Use CSS "text-overflow" to truncate long texts...
...starts wrapping within its container. This is most probably because there is no defined behavior in case multiple text contents are rendered next to each other (horizontally) and the clamping...
For webpages to load fast it's recommended to optimize images. Ideally an image's file size should be as...
Developing or debugging SAML functionality can be a hassle, especially when you need to go back and forth with someone...
def self.acquire(name) already_acquired = definitely_acquired?(name) if already_acquired yield else begin create(:name => name) unless find_by_name(name) rescue ActiveRecord::StatementInvalid # concurrent create is okay...
begin result = nil transaction do find_by_name(name, :lock => true) # this is the call that will block acquired_lock(name) result = yield end result ensure maybe_released_lock...
...to determine if a service can be restarted or not. To manipulate the default behaviour, the package policy-rcd-declarative-allow-all or policy-rcd-declarative-deny-all can be...
Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
...for all exceptions (previously true) :none: It will raise for all exceptions (previous default behavior, value false) Using the new default needs to change a RSpec test like this:
...E.g. although an "address book contact" and a "user" are both human beings, it's rarely practical to have them share a model or inheritance hierarchy. Try to model everything...
...CRUD for stands Everything related to viewing and editing weekly reports Read Project management best practices: Issues on how we write user stories. Note that in practice we would do...
...used when you are working on a branch and make a new commits which belongs to a previous commit. If the previous commit is the last commit, you can also...
Even though the process in #1 could be used for this it can become quite tedious if you have a large commit and might have already done this and...
available for button, fieldset, input, select, textarea, command, keygen, optgroup, option Browser specific behavior: IE 11: text inputs that are descendants of a disabled fieldset appear disabled but the...
Deep dive Okay, so the example above has at least one obvious benefit: You do not have to put self.table_name_prefix = "universe_" into each of your classes...
...it. It's not read at all. Here is why (follow links for a better understanding): An ActiveRecord class will pick the table_name_prefix of any of its module...
CarrierWave comes with a set of default configuration options which make sense in most cases. However, you should review these...
When deleting a record in your Rails app, Carrierwave automatically takes care of removing all associated files. However, the file...
...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 accident...
...application changes. The more tests you already have, the less useful an additional test becomes ("Diminishing returns"). Tests sometimes fail even though the code is fine, especially when the test...
Rails default config uses the ActiveSupport::Cache::NullStore and disables controller caching for all environments except production: config.action_controller.perform_caching = false...
In a project team for a bigger project people have several roles: Developer: at makandra Project lead: at makandra
Ever needed to migrate data between Redis instances? Give RIOT - Redis Input/Output Tools a try. It supports migration to different...
...addresses = AddressBook.new addresses.add Contact.new(first_name: 'Frederik', last_name: 'Foo') addresses.add Contact.new(first_name: 'Berta', last_name: 'Beispiel', phone: '556677') addresses.add Contact.new(first_name: 'Anna', last_name: 'Muster', street: 'Foo...
...returns contacts that match all of the words in any property: results = addresses.search('77 berta') results.size # => 1 results[0].first_name # => "Berta" Errors Change the AddressBook class so the #add...
You want to use fields in your applications. However, your desktop users may encounter some weird quirks: Aside from allowing...
...built into RSpec. Play with some of these matchers in your MovieDB tests. The benefits of using better matchers Which of the following two lines is better? Why?
...is often to prefer isolated tests where possible, but share test setup when it becomes excessively complicated or expensive. If we share setup, it is best to do within a...
...addition of both margins takes place but the maximum of both is applied. This behavior is called collapsing margins. Oftentimes it is a good behavior but collapsing margins can be...
...the previous sibling of the parent box. Nevertheless there are some exceptions where the behavior of vertical collapsing margins is not used. Exceptions when margins do not collapse
...for Structs are temporary data structures which just hold state and don't provide behaviour. In many cases you could use a simple hash as a data structure instead. However...
...are incredibly fast. If you have to handle lots of data it may be better to use hashes for performance reasons, even if the readability of the code suffers compared...
...in an encrypted YAML file. Usage is simple: each key in the credentials file becomes a method on Rails.application.credentials, returning the corresponding secret. # Credentials file file_storage_secret: superstrongsecret
We have now updated/created two gems that implement the requirements above using the best practices we know of: assignable_values: ActiveRecord macro to restrict the values that may be...