Hi :kaohi: I've been using RMXP for a year now and I love it. So I've decided to finally learn how to program. For this I used the Slip into Ruby tutorial...
Another reason many people run into issues with Ruby on Apple Silicon Macs is because they’re trying to use the version of Ruby that came preinstalled on macOS, known as the system Ruby. If you runwhich rubyin your terminal, and if it says/usr/bin/ruby, that’s the system Rub...
Ruby in the JVM also means that Ruby can run anywhere Java can run (like Android phones, using Ruboto for example). Additionally, thanks to the interoperability of the JVM, JRuby code can make use of the Java platform, including both standard and 3rd party libraries. JRuby is also useful ...
Because of this collective blindspot, sometimes gems produced by the Ruby community fail to work properly on that other big platform: Windows. If you’re authoring a gem, setting up Windows-based continuous integration can help guard against this oversight. AppVeyor, likeTravis CI, is free for ...
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" Homebrew 是用 Ruby 开发的,因此它会修改你计算机的 Ruby 路径。curl命令从指定的 URL 中提取脚本。该脚本解释了它将要做什么,然后会暂停下来提示你确认。这给了你大量反馈,关于该脚本对你的系统将要做...
Let’s break down the different components of the code. putsis a Rubymethodthat tells the computer to print some text to the screen. Theputsmethod is then followed by a sequence of characters —Hello, World!, enclosed in quotation marks. Any characters that are inside of quotation marks are...
Ruby: The Well-Grounded Rubyist SQL: SQL in 10 minutes, Sams Teach Yourself Swift: Swift Programming: The Big Nerd Ranch Guide 6. Use tools that make learning to code easier. While it’s great to know that you don’t need any special tools to write code, some tools can help. Code ...
Finally, solving memory leaks requires you to review your code thoroughly. Learning about the type of object leaking can be very helpful and considerably speed up debugging. How Does Garbage Collection Work in the JVM? Before we start our analysis of an application with a memory leak issue, le...
DynamoDB supports a number of data types: String, Number, Binary, Boolean, Null, List, Map (similar to a Ruby Hash or JSON object), String Set, Number Set, Binary Set. These data types are encoded and decoded into equivalent Ruby types by the SDK. Number values are represented as ...
rbspy samples stack frames from a Ruby process over time. The main advantage is that it can be used as a standalone program without needing any instrumentation code. Once we know the Ruby Process Identifier (PID) that we want to profile, we start the profiling session like this: ...