Node.js Tutorial Node.js - Home Node.js - Introduction Node.js - Environment Setup Node.js - First Application Node.js - REPL Terminal Node.js - Command Line Options Node.js - Package Manager (NPM) Node.js - Callbacks Concept Node.js - Upload Files Node.js - Send an Email Node.js - Events Node.js - Event Loop Node.js - Event Emitter Node.js - Debugger Node.js - Global Objects Node.js - Console Nod
Java Tutorial Java - Home Java - Overview Java - History Java - Features Java vs C++ Java Virtual Machine (JVM) Java - JDK vs JRE vs JVM Java - Hello World Program Java - Environment Setup Java - Basic Syntax Java - Variable Types Java - Data Types Java - Type Casting Java - Unicode System Java - Basic Operators Java - Comments Java - User Input Java - Date & Time Java Control Statements Java - Lo
Ruby supports a rich set of operators, as you'd expect from a modern language. Most operators are actually method calls. For example, a + b is interpreted as a.+(b), where the + method in the object referred to by variable a is called with b as its argument. For each operator (+ - * / % ** & | ^ << >> && ||), there is a corresponding form of abbreviated assignment operator (+= -= etc.). Ruby Arith
Ruby Basics Ruby - Home Ruby - Overview Ruby - Environment Setup Ruby - Syntax Ruby - Classes and Objects Ruby - Variables Ruby - Operators Ruby - Comments Ruby - IF...ELSE Ruby - Loops Ruby - Methods Ruby - Blocks Ruby - Modules Ruby - Strings Ruby - Arrays Ruby - Hashes Ruby - Date & Time Ruby - Ranges Ruby - Iterators Ruby - File I/O Ruby - Exceptions Ruby Advanced Ruby - Object Oriented Ruby -
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Sessions To save data across multiple requests, you can use either the session or the flash hashes. A flash stores a value (normally text) until the next request, while a session stores data during the complete session. session[:user] = @user flash[:message] = "Data was saved successfully" <%= link_to "login", :action => 'login' unless session[:user] %> <% if flash[:message] %> <div><%= h flash[:m
Ruby provides two levels of access to network services. At a low level, you can access the basic socket support in the underlying operating system, which allows you to implement clients and servers for both connection-oriented and connectionless protocols. Ruby also has libraries that provide higher-level access to specific application-level network protocols, such as FTP, HTTP, and so on. This ch
AI, ML, and Data Science Programming Languages Web Development Languages DevOps Databases Computer Science Subjects Python Technologies Software Testing Cyber Security All Categories Back Artificial Intelligence Machine Learning ML With Python Data Science Statistics NLP Neural Networks TensorFlow PyTorch Matplotlib NumPy Pandas SciPy Big Data Analytics See all
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