If you’re trying to work with an existing Ruby project that has aGemfileand/or a.ruby-versionfile that specified a version older than 3.4.2, 3.3.7, 3.2.7, 3.1.6, 3.0.7, or 2.7.8, you’ll need to either update your app to use a more recent version (best solution), or install...
A question mark is used to mark predicates—methods that return a Boolean value. For example, the Array and Hash classes both define methods named empty? that test whether the data structure has any elements. An exclamation mark at the end of a method name is used to indicate that caution ...
We will also watch the load on your servers and alert you when a new app deployment has degraded performance. Optimized for Ruby apps Our servers are preconfigured for the needs of modern Ruby on Rails apps. We provide a Capistrano recipe to deploy with a single command. ...
First, create a roller.rb file. Use the rand method to return a random number. Ruby has a built-in rand method, which returns a random number. It takes an argument as an integer and returns a random number. Type rand 2 and you'll notice that the numbers you get in response are eit...
A method is simply a definition of an action that can be performed on an object. Ruby has built-in object definitions and methods. One such method iscapitalizefor the Ruby classstrings(we will dive into strings later). string1 = "this string is awesome" ...
Transparency is a key aspect of the blockchain technology that has taken the online casino industry by storm. Unlike traditional casinos, where players often have to place blind trust in the operators, blockchain-based casinos offer transparency never seen before. In a blockchain-powered casino, ...
They’re not the only two expressions that do; 100 < 50 has a boolean value of false, because it evaluates to the object false. But nil and false are the only two objects in Ruby with a boolean value of false. All other Ruby objects—numbers, strings, instances of MyCoolClass—have ...
Fair warning: Even after a few years of dabbling with it, SQL syntax is still befuddling to me. And it might be the same for you, too. However, the power (and ubiquity) of SQL databases has so far surpassed my clumsiness in using it. I've found that the best way to learn is to...
Riseup Labs has a dedicated development team of highly skilled Ruby developers alongside testing professionals for quality audits. Furthermore, we have project managers for the smooth execution of the projects. This entire on-boarding process is done via a quick, easy, and transparent hiring process...
If logging is disabled, this method will return a dummy object, so you do not have to worry about it in your routes and filters. Note that logging is only enabled for Sinatra::Application by default, so if you inherit from Sinatra::Base, you probably want to enable it yourself: class ...