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            About
            Wondering why Ruby is so popular? Its fans call it a beautiful, artful language. And yet, they say it’s handy and practical. Since its public release in 1995, Ruby has drawn devoted coders worldwide. In 2006, Ruby achieved mass acceptance. With active user groups formed in the world’s major cities and Ruby-related conferences filled to capacity. Ruby-Talk, the primary mailing list for discussion of the Ruby language, climbed to an average of 200 messages per day in 2006. It has dropped in recent years as the size of the community pushed discussion from one central list into many smaller groups. Ruby is ranked among the top 10 on most of the indices that measure the growth and popularity of programming languages worldwide (such as the TIOBE index). Much of the growth is attributed to the popularity of software written in Ruby, particularly the Ruby on Rails web framework.
             
            
        
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            About
            Scala combines object-oriented and functional programming in one concise, high-level language. Scala's static types help avoid bugs in complex applications, and its JVM and JavaScript runtimes let you build high-performance systems with easy access to huge ecosystems of libraries. The Scala compiler is smart about static types. Most of the time, you need not tell it the types of your variables. Instead, its powerful type inference will figure them out for you.  In Scala, case classes are used to represent structural data types. They implicitly equip the class with meaningful toString, equals and hashCode methods, as well as the ability to be deconstructed with pattern matching. In Scala, functions are values, and can be defined as anonymous functions with a concise syntax.
             
            
        
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            About
            TradingView is an innovative venture by a group of developers and traders with experience of building trading software, who share a vision that trading technology should be easy, powerful and accessible to everyone. Taking advantage of the latest advancements in cloud computing and browser languages the idea of bringing interactive charts and widgets through any browser to people around the world was made a reality. TradingView is also a social community for traders to interact and learn, share ideas and work together to improve their skills. Unique and simple way to share live charts instantly with technical analysis ideas brings traders together and it's a first step to having a full trading platform in a web browser.
             
            
        
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                Windows
            
            
         
        
    
        
        
            
                Mac
            
            
         
        
    
        
        
            
                Linux
            
            
         
        
    
        
        
            
                Cloud
            
            
         
        
    
        
        
            
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                iPhone
            
            
         
        
    
        
        
            
                iPad
            
            
         
        
    
        
        
            
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        Platforms Supported
            
                Windows
            
            
         
        
    
        
        
            
                Mac
            
            
         
        
    
        
        
            
                Linux
            
            
         
        
    
        
        
            
                Cloud
            
            
         
        
    
        
        
            
                On-Premises
            
            
         
        
    
        
        
            
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        Audience
        Open-source programming language solution for DevOps teams
         
        
    
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        Audience
        Developers looking for a Programming Language solution
         
        
    
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        Audience
        Real-time financial widgets for investors
         
        
    
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        Support
            
                Phone Support
            
            
         
        
    
        
        
            
                24/7 Live Support
            
            
         
        
    
        
        
            
                Online
            
            
         
        
    
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        Support
            
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                24/7 Live Support
            
            
         
        
    
        
        
            
                Online
            
            
         
        
    
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                Offers API
            
            
         
        
    
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                Offers API
            
            
         
        
    
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        Pricing
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        Pricing
        $0
        
     
    
    
        
        
            
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        Training
            
                Documentation
            
            
         
        
    
        
        
            
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                Live Online
            
            
         
        
    
        
        
            
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        Training
            
                Documentation
            
            
         
        
    
        
        
            
                Webinars
            
            
         
        
    
        
        
            
                Live Online
            
            
         
        
    
        
        
            
                In Person
            
            
         
        
    
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        Training
            
                Documentation
            
            
         
        
    
        
        
            
                Webinars
            
            
         
        
    
        
        
            
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        Company InformationRuby Language 
    
    Founded: 1995 
    
    
    www.ruby-lang.org/en/ 
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        Company InformationScala 
    
    
    www.scala-lang.org 
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        Company InformationTradingView 
    
    Founded: 2011 
    
    United States 
    www.tradingview.com 
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                Algorithmic Trading Features
            
                2-Click Trading
            
            
         
        
    
        
        
            
                Analyst on Demand
            
            
         
        
    
        
        
            
                Auto Fibs
            
            
         
        
    
        
        
            
                Auto Trend Lines
            
            
         
        
    
        
        
            
                Backtesting
            
            
         
        
    
        
        
            
                Basket Trading
            
            
         
        
    
        
        
            
                Drawing Tools
            
            
         
        
    
        
        
            
                Pattern Tools
            
            
         
        
    
        
        
            
                Stock Screener
            
            
         
        
    
        
        
            
                Trading From Charts
            
            
         
        
    
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        Integrations
            
                
    Aspecto
            
            
         
        
    
        
        
            
                
    CodeKeep
            
            
         
        
    
        
        
            
                
    Databricks Data Intelligence Platform
            
            
         
        
    
        
        
            
                
    DeepCover
            
            
         
        
    
        
        
            
                
    DevCycle
            
            
         
        
    
        
        
            
                
    Gemini
            
            
         
        
    
        
        
            
                
    GitLab Duo
            
            
         
        
    
        
        
            
                
    JetBrains Academy
            
            
         
        
    
        
        
            
                
    Kuroco
            
            
         
        
    
        
        
            
                
    Lapce
            
            
         
        
    
                
                    
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
                
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        Integrations
            
                
    Aspecto
            
            
         
        
    
        
        
            
                
    CodeKeep
            
            
         
        
    
        
        
            
                
    Databricks Data Intelligence Platform
            
            
         
        
    
        
        
            
                
    DeepCover
            
            
         
        
    
        
        
            
                
    DevCycle
            
            
         
        
    
        
        
            
                
    Gemini
            
            
         
        
    
        
        
            
                
    GitLab Duo
            
            
         
        
    
        
        
            
                
    JetBrains Academy
            
            
         
        
    
        
        
            
                
    Kuroco
            
            
         
        
    
        
        
            
                
    Lapce
            
            
         
        
    
                
                    
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
                
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        Integrations
            
                
    Aspecto
            
            
         
        
    
        
        
            
                
    CodeKeep
            
            
         
        
    
        
        
            
                
    Databricks Data Intelligence Platform
            
            
         
        
    
        
        
            
                
    DeepCover
            
            
         
        
    
        
        
            
                
    DevCycle
            
            
         
        
    
        
        
            
                
    Gemini
            
            
         
        
    
        
        
            
                
    GitLab Duo
            
            
         
        
    
        
        
            
                
    JetBrains Academy
            
            
         
        
    
        
        
            
                
    Kuroco
            
            
         
        
    
        
        
            
                
    Lapce
            
            
         
        
    
                
                    
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
        
        
        
    
                
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