ruby shorthand if

The HTML code is cumbersome to write because it has many labels.One way to do this is to use a template to fill in your own content within a skeleton that someone else has written. There is another way I would like to introduce today----shorthand

Learn Ruby with me.by TigerNote: This tutorial reproduces free game Pioneer Forum, copyright belongs to the author Tiger.First articleSecond articleFirst ArticlePrefaceI'm going to start learning Ruby from today. What do you say, I haven't seen you?

Summary, ruby program consists of one or more Ruby source files, the source file consists of modules, the module has control structure, class objects, methods, and expressions and other elements, following this idea to sum up Ruby's program

Dogs has many shared characteristics, like the abilities to wag their tails and drink water from a bowl, but they also ha ve information about them it is variable,Like their breed or their name.Similarly, when designing an application, your users

Web applications, and time to deal with is not exempt. Rails has extended the Ruby time module. This article was made on January 29, 2011, and the ruby version is 1.8.7, and the rails version is 3.0.3 Basic Time Conversion>> Now=time.now=> Sat 29 21

BlockDefined Some_array.each {|value| puts value + 3} sum = 0 other_array.each do |value| Sum + = value puts value/sum end A block are somewhat like the "Body of" anonymous method Block can take parameters Block only

If you write a program that is demanding or tightly integrated with your operating system, you must choose C.If you write programs that are available everywhere, choose Java.If you write large programs, try to use scripting languages like Python,

When I was talking to NS, he showed me a piece of code: Night_stalker wrote See a method shorthand trick IRB Code IRB (main):004:0> "Hello World"-SPL => ["Hello", "World"] IRB (main):005:0> "Hi there Daniel". SP = > ["Hi", "there",

What is called a method? In OO programming, we don't want to manipulate the data of an object directly from the outside, but instead, the object itself knows how to manipulate itself (when properly asked). You might say that we pass a message to an

Click above "Asynchronous Community", select" Top Public number "Technical dry, first time delivery When you learn the first programming language, you probably read a book, enter code that you don't understand, and try to understand how it