在Ruby 中,`object.hash` 是一个方法,用于返回对象的哈希值。哈希值是一个整数,用于表示对象的唯一性。在 Ruby 中,哈希值可以用于快速比较两个对象是否相等,以及在数据结构(如哈希...
Converting object to TOML Converting Hash to object Converting object to Hash Converting XML to object Converting object to XML Converting CSV to object Converting object to CSV Converting collections Mapping JSON keys to object attributes Mapping YAML keys to object attributes Mapping TOML keys to obj...
require 'json' hash_object = { key1: 'value1', key2: 'value2' } json_string = hash_object.to_json puts json_string 上述代码中,我们首先引入了Ruby的JSON库。然后,我们创建了一个哈希对象hash_object,其中包含了键值对key1: 'value1'和key2: 'value2'。接下来,我们使用to_json方法将哈希对象转...
:sasquatch.to_s # ==> "sasquatch" (symbol转string) "sasquatch".to_sym # ==> :sasquatch (string转symbol) "hello".intern 和 .to_sym效果相同都可以string转symbol 15.hash的新的表示方法自Ruby1.9之后, hash的语法比原来更为简洁new_hash = { one: 1, two: 2, three: 3 }冒号在symbol之后, ...
PStore implements a file based persistence mechanism based on a Hash. User code can store hierarchies of Ruby objects (values) into the data store file by name (keys). An object hierarchy may be just a single object. User code may later read values back from the data store or even update...
Simply run ruby with --yjit-stats to compute and dump stats (incurs some run-time overhead). YJIT is now optimized to take advantage of object shapes. [Feature #18776] Take advantage of finer-grained constant invalidation to invalidate less code when defining new constants. [Feature #18589...
In most cases, you can avoid the incompatibility by adding the double splat operator. It explicitly specifies passing keyword arguments instead of a Hash object. Likewise, you may add braces {} to explicitly pass a Hash object, instead of keyword arguments. Read the section “Typical cases” ...
The string your are sending to javascript is getting evaluated, just like ruby has an eval method. So, a json string being sent to javascript will evaluate to an object.like this in ruby:hash = {"a" => 5} dynamic_code = "UI.messagebox(#{hash}.keys.first)" eval dynamic_code this ...
TheOneLogin::RubySaml::IdpMetadataParseralso provides the methods#parse_to_hashand#parse_remote_to_hash. Those return an Hash instead of aSettingsobject, which may be useful for configuringomniauth-saml, for instance. Validating Signature of Metadata and retrieve settings ...