[email protected] Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not? Convert object array to hash map, indexed by an attribute value of the Object. This cookie is set by GDPR Cookie Consent plugin. The payload (msg) is a well-formed JSON object. It does not store any personal data. ruby on rails - Convert JSON string to hash - Stack Overflow Convert JSON string to hash Ask Question Asked 6 years, 10 months ago Modified 2 years, 2 months ago Viewed 20k times 7 I have a Ruby on Rails JSON question. The payload appears as a JSON string in the FluentD log together with the ruby hash of the object (i.e. Ask questions, learn about the Cybersecurity classroom experience, and more. str now contains the JSON encoded hash. We also use third-party cookies that help us analyze and understand how you use this website. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. At what point in the prequels is it revealed that Palpatine is Darth Sidious? Jillian Short began her career in the arts. 2022 ITCodar.com. to_json, however, accepts many Ruby classes even though it acts only as a method for serialization: 1.to_json # => "1". 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I have a JSON object holding the following value: I want to loop through it in Ruby to get the key/value pairs. It's great because it allows you to access values with keys. To make this answer even more applicable to the OP's question, if your string representation of a hash is called 'strungout' you should be able to do hashit = JSON.parse (strungout.to_json) and then select your items inside hashit via hashit ['keyname'] as normal. Not the answer you're looking for? How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? As you can see, requiring json has magically brought method to_json to our Hash. Does the collective noun "parliament of owls" originate in "parliament of fowls"? The backslashes are part of the string representation, and are not actually in the string. To make your Ruby class JSON-friendly without touching Rails, you'd define two methods: When your object responds properly to both to_json and as_json, it can behave properly even when it is nested deep inside other standard classes like Array and/or Hash: Also see "Using custom to_json method in nested objects". The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. opts can have the following keys:. I have what I think is a strange error. Debian/Ubuntu - Is there a man page listing all the version codenames/numbers? Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? You can use it like so: . It's easy to read and understand both by humans and machines. The cookie is used to store the user consent for the cookies in the category "Performance". rev2022.12.9.43105. Why would Henry want to close the breach? json = JSON.generate (my_object) create JSON string from object. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Unfortunately, they look like this: If you paste the string{tiger:3,lion:2,dog:2,cat:3, How long does it take to fill up the tank? How to convert a Ruby object to JSON from a File? Online Ruby Hash to JSON Convertor. With [cci]require 'json'[/cci], you can easily parse a JSON formatted string into a Ruby hash with [cci]JSON.parse(json_string)[/cci]. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. In this article, you'll learn how to generate and parse JSON data in Ruby. How can I convert a hash into JavaScript format? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to convert a hash to JSON without the converted string being full of backslashes It seems like you are confused about the actual content of the string. One is properly escaped but invalid, while the other is valid, usable JSON. If it's a string it'll parse the string. Why does Google prepend while(1); to their JSON responses? Debian/Ubuntu - Is there a man page listing all the version codenames/numbers? If you're planning to output this data through a controller, you might be able to save time by just writing. The cookies is used to store the user consent for the cookies in the category "Necessary". Why does the code below return true for msg.is_a? Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Docs here: We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Not the answer you're looking for? Better way to check if an element only exists in one array. The solution is to properly format the @result data as JSON, using ruby, then passing the resulting data to JS. Connect and share knowledge within a single location that is structured and easy to search. convert ruby hash to json string how to make a new hash ruby create a new hash from existing hash ruby ruby hash from array change key value hash ruby ruby hash print ruby json parse symbolize_keys rails hash key variable ruby hash transform keys ruby join hash to string hash get key ruby change elements in ruby hashes Using custom to_json method in nested objects. Oh God, this was a lifesaver after 2 hours of looking for a "simple" solution. See if you have what it takes to become a Product Designer. Something can be done or not a fit? Find centralized, trusted content and collaborate around the technologies you use most. : is replaced with =>). Otherwise generate a JSON text from the Ruby data structure object and return it. If you want to access the Hashes, you need to iterate through the Array. You can't toss the @result data directly to JS because, although what you think, it is not valid JSON (noted the hash-rockets "=>"?) How could my characters be tricked into thinking they are on Mars? Why does Google prepend while(1); to their JSON responses? - the Tin Man May 17, 2017 at 21:00 Add a comment 33 To make your Ruby class JSON-friendly without touching Rails, you'd define two methods: to_json, which returns a JSON object as_json, which returns a hash representation of the object That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though). parse (file) rev2022.12.9.43105. The JSON [] class method is smart enough to sense what the parameter being passed in is. Does anyone know if this is more resource-intensive for larger hash objects? Convert form data to JavaScript object with jQuery. Converting an array of objects to JSON in Ruby. Making statements based on opinion; back them up with references or personal experience. Why is the federal judiciary of the United States divided into circuits? You may need to require 'json' if you're not running Rails. The company hired three Flatiron School graduates in 2022, and their new hires have a lot to say about working there. You can create file handle to parse JSON file in Ruby with given command, file = File. hash = JSON.parse(test).deep_symbolize_keys That's in addition that the real problem was invalid json as MyCah mentioned. How can I pretty-print JSON in a shell script? class Colors include Ruby::Enum define :SPADES, "spades" define :HEARTS, "hearts" define :DIAMONDS, "diamonds" define :CLUBS, "clubs" end . Use the built-in JSON.pretty_generate method require 'json' puts JSON.pretty_generate hash, options Yay! all i can say is wow :) also thanks a lot!! Check out our Product Design Course Syllabus and see what you will learn. Find centralized, trusted content and collaborate around the technologies you use most. What does 'Monkey Patching' exactly Mean in Ruby? Finally, you may read it easily by doing: my_hash = JSON.load(File.read('your_flat_file_name')) This is simple and very easy . How can I use a VPN to access a Russian website that is banned in the EU? JSON is part of Ruby's Standard Library so it comes with the language. I find that handy because it allows me to write JSON [.] Should I give a brutally honest feedback on course evaluations? Do non-Segwit nodes reject Segwit transactions with invalid signature? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to convert a ruby hash object to JSON? Thanks. This post is about how to get a valid JSON (JavaScript Object Notation) snippet from a Ruby Hash. The cookie is used to store the user consent for the cookies in the category "Analytics". The reason this double quote is escaped is because you want Ruby to interpret it as an " character, not as the end of the string. It will be configured by the opts hash.opts can have the following keys:. Asking for help, clarification, or responding to other answers. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. CGAC2022 Day 10: Help Santa sort presents! Ruby has a built-in module that contains methods to generate and parse JSON. ruby json A lesser known capability of Ruby's JSON.parse and check why 5600+ Rails engineers read also this If you ever got annoyed by the fact that JSON.parse returns hash with string keys and prefer hashes with symbols as keys, this post is for you. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 1 (888) 958-0569, By continuing your journey on our site, you consent to the placement of cookies. I'm surprised nobody pointed out JSON's [] method, which makes it very easy and transparent to decode and encode from/to JSON. Are there conservative socialists in the US? Is there a higher analog of "category with all same side inverses is a groupoid"? All Rights Reserved. When working with Ruby Hashes, you may find that there are two ways to interact with them, using the String notation commonly seen with JSON, but also using Ruby's Symbol concept. It seems like you are confused about the actual content of the string. Connect and share knowledge within a single location that is structured and easy to search. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, beware though, if the object on which you call. Thanks for contributing an answer to Stack Overflow! Thanks for contributing an answer to Stack Overflow! How is the merkle root verified if the mempools may be different? This website uses cookies to improve your experience while you navigate through the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. How does the Chameleon's Arcane/Divine focus interact with magic item crafting? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Is the EU Border Guard Agency able to tell Russian passports issued in Ukraine or Georgia from the legitimate ones? Making statements based on opinion; back them up with references or personal experience. rev2022.12.9.43105. One of the numerous niceties of Ruby is the possibility to extend existing classes with your own methods. How can I post JSON data with curl and use it in RoR? One option, would be to use .to_s which converts anything in Ruby to its internal String representation. The cookie is used to store the user consent for the cookies in the category "Other. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. So in Rails you can do a hash.to_json, but not in pure Ruby?? Our full-time software engineering bootcamp teaches students the skills they need to become professional software engineers in as little as 15 weeks. You can try eval method on temp json string, Creating Microsoft Word (.Docx) Documents in Ruby, Where Is Ruby'S String Literal Juxtaposition Feature Officially Documented, Rails Activerecord: Find All Users Except Current User, Should Gemfile.Lock Be Included in .Gitignore, Sort an Array According to the Elements of Another Array, Backslashes in Single Quoted Strings Vs. Asking for help, clarification, or responding to other answers. These cookies ensure basic functionalities and security features of the website, anonymously. Connecting three parallel LED strips to the same power supply. But I am reading on blogs that Rails supports active_record.to_json and also supports hash#to_json. In the United States, must state courts follow rulings by federal courts of appeals? >> require 'json' => true >> class Person >> attr_accessor :fname, :lname >> end => nil >> p = Person.new => # >> p.fname = "Bill" => "Bill" >> p.lname = "Shine" => "Shine" >> p.to_json => "\"#\"", No, no, someone has to code how the object of an arbitrary class should be serialized to JSON. Ask questions, learn about the Software Engineering classroom experience, and more. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though). As you can see, requiring json has magically brought method to_json to our Hash. The UX / UI product design program at Flatiron School focuses on digital product design designing digital products such as websites, mobile applications, and computer programs. Withputs, the new return String passesJSON Lintas Valid JSON. Start building your skills right now. Usingputsmay seem obvious, but its the seemingly small things like this that make all the difference in the world. Regexp, can't match many elements contained in an array (json), Updating a json object from Rails console, Ruby/Rails: each do loop range from another loop, Extracting data from Deeply Nested JSON in Ruby on Rails, Saving multiple entries to database from Ajax request in Rails. The following is a guest post by Rex Feng and originally appeared onhis blog. 1 mins Converting a Ruby Hash to a String I noticed today a couple of visitors to the site who were searching for "ruby convert hash to string" - this article is for them, but also for me in the future when I forget! 11 Broadway, 2nd Floor Generating JSON from Arrays When the source is a Ruby Array, JSON.generate returns a String containing a JSON array: Thanks for contributing an answer to Stack Overflow! require 'json' File.open("filename.json", "w") do |f| f.write(JSON.pretty_generate(my_hash)) end See if you have what it takes to become a Data Scientist. Syntax: Hash.to_hash () Parameter: Hash values. In the world of Ruby, Ruby loves hashes. Ready to optimize your JavaScript with Rust? When you enter this into irb the output will be: From the result "\"" the starting " and ending " mark the begin and ending of the string while \" is an escaped double quote, and represents a single ". I can understand ActiveRecord is a Rails object, but Hash is not native to Rails, it's a pure Ruby object. At what point in the prequels is it revealed that Palpatine is Darth Sidious? Why does Google prepend while(1); to their JSON responses? If you want to access the groups you need to iterate again. Add the following line on the top of your file. Why is this usage of "I've to work" so awkward? Thanks again. This cookie is set by GDPR Cookie Consent plugin. I want to be able to quit Finder but can't edit Finder's Info.plist after disabling SIP. Analytical cookies are used to understand how visitors interact with the website. I'd say it doesn't even apply to Rails.. it only apply to the controller inside a rails app.. very limited scope. Ask questions, learn about the Product Design classroom experience, and more. instead of having to remember whether I'm parsing or using to_json or something. Behind JavaScript, HTML/CSS, and SQL, Python is the fourth most popular language with 44.1% of developers. Try it. TypeError: unsupported operand type(s) for *: 'IntVar' and 'float'. JSON.generate only allows objects or arrays to be converted to JSON syntax. How to properly create JSON with variables? One of the numerous niceties of Ruby is the possibility to extend existing classes with your own methods. Start building your skills right now. You can easily tell hashes by their hash rockets (=>) and JSON by its usage of colons (:). Are the S&P 500 and Dow Jones Industrial Average securities? To learn more about how we use cookies or how you can disable them, please see our. How to convert a ruby hash object to JSON? Is the EU Border Guard Agency able to tell Russian passports issued in Ukraine or Georgia from the legitimate ones? Its great because it allows you to access values with keys. opts is a Hash object containing options that control both input allowed and output formatting. a nested string with a semicolon in it will be split as though it's a delimiter. It's easy to reverse it using: JSON [str] # => {"val"=>"test", "val1"=>"test1", "val2"=>"test2"} Custom objects need to_s defined for the class, and inside it convert the object to a Hash then use to_json on it. here's the new question, any help would be appreciated. You can parse a JSON string in Ruby using the JSON#parse() method, which deserializes the JSON string to equivalent Ruby data structures. If you're using Ruby on Rails (and the tags say you are), I think this exact code should work already, without requiring anything. If it's a string it'll parse the string. Necessary cookies are absolutely essential for the website to function properly. so basically i was able to extend the json class dynamically?? data_hash = JSON. This cookie is set by GDPR Cookie Consent plugin. In the world of Ruby, Ruby loves hashes. See if you have what it takes to become a Software Engineer. How could my characters be tricked into thinking they are on Mars? Any sort of splitting/scanning is prone to errors if the string contains tokens that aren't part of the syntax. You can easily tell hashes by their hash rockets (=>) and JSON by its usage of colons (:). JSON.dump (my_object, someIO) create a JSON string and write to a file. Ask questions, learn about the Data Science classroom experience, and more. If it's an Array or Hash it'll serialize it. If it's an Array or Hash it'll serialize it. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Return specific values from array of hashes - JSON. What about vanilla Ruby? JSON.generate(): Generating or Serializing JSON in Ruby In your program you require the gem. Using Rails 4 or above, If you want to have symbol keys instead of string keys, you can use deep_symbolize_keys method. I am using ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux-gnu]. Is it appropriate to ignore emails from a student asking obvious questions? Is there a way to convert a Ruby hash to JSON in Node.JS outside of Rails? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. By using require 'json', you get access to the to_json method on hashes. Become a data scientist to help businesses leverage data, analyze data, and provide data-driven insights so businesses can make informed decisions. Ready to optimize your JavaScript with Rust? Become a software engineer to help businesses develop software, build web apps, and products that will help shape the future of the company. To learn more, see our tips on writing great answers. The code is converting array of strings (json string), not array of hashes. require 'json' And then you may create your "Hashfield" string by doing: hash_as_string = hash_object.to_json and write this to your flat file. Withrequire 'json', you can easily parse a JSON formatted string into a Ruby hash withJSON.parse(json_string). I find that handy because it allows me to write JSON[.] Instead of using Person#to_json in Directory#to_json, use Person#to_hash like following: class Person def to_hash {last_name: @last_name, If object is string-like, parse the string and return the parsed result as a Ruby data structure. Thank you!! json = my_object.to_json method on the specific object to create a JSON string. By usingrequire 'json', you get access to theto_jsonmethod on hashes. Do bracers of armor stack with magic armor enhancements and special abilities? I.e. When I use @each, it doesn't iterate through the object because it is not in the Ruby hash form: How can I convert the above JSON object to a Ruby hash? instead of having to remember whether I'm parsing or using to_json or something. Rocket Software is on the hunt for Software Engineers and tech talent across many disciplines. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Thanks to this post I got it. Start building your skills right now. Check out our Data Science Course Syllabus and see what you will learn. To learn more, see our tips on writing great answers. See if you have what it takes to become a Cybersecurity Engineer. JSON is a language-agnostic lightweight data-interchange format. JSON.generate only allows objects or arrays to be converted to JSON syntax. my_object = JSON.parse (json) create a Ruby object from a JSON string. How many transistors at minimum do you need to build a general-purpose computer? Why is the eastern United States green if the wind moves from west to east? You also have the option to opt-out of these cookies. This cookie is set by GDPR Cookie Consent plugin. Examples of frauds discovered because someone tried to mimic a random sequence, Received a 'behavior reminder' from manager. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Read from the file data.json and write its content into the object x. . Unfortunately, they look like this: If you paste the string . to_json, however, accepts many Ruby classes even though it acts only as a method for serialization: 1.to_json # => "1". TypeError: unsupported operand type(s) for *: 'IntVar' and 'float'. VERSION JSONversion Attributes create_id[RW] Designed by Colorlib. How can I parse these hashes turned string, from my Ruby on Rails API so that it's accessible as an object in Javascript? CGAC2022 Day 10: Help Santa sort presents! mouse:1,bear:1,frog:2,fish:1}intoJSON Lint, youll find that its invalid JSON due to a Parse Error. thanks. Creates a new JSON::Ext::Parser instance for the string source.. Does integrating PDOS give total charge of a system? I have the following JSON string which I get like this from an external API Was the ZX Spectrum used for number crunching? Take for example '"' a single character ". How to convert a ruby hash object to JSON? Docs here: ruby-doc.org/stdlib-2.6.3/libdoc/json/rdoc/JSON.html - bkunzi01 Jul 13, 2020 at 20:22 Add a comment 13 One of the numerous niceties of Ruby is the possibility to extend existing classes with your own methods. gem 'json' and then run bundle install. Here you can see that there is no backslash in the contents of the string. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Rails supports JSON output from controllers, so it already pulls in all of the JSON serialization code that you will ever need. Become a cybersecurity engineer so you can help companies and organizations of all sizes protect data from getting stolen, hacked, leaked, or damaged. You can view the actual contents of the string without escape characters by printing it to the console. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. ruby-doc.org/stdlib-2.6.3/libdoc/json/rdoc/JSON.html. Convert your Ruby Hash to JSON online Feedback . How do I turn a C# object into a JSON string in .NET? Making statements based on opinion; back them up with references or personal experience. The same applies for your to_json call, which returns a string: Like you can see there are no backslashes in the contents of the string, only in the string representation. Examples of frauds discovered because someone tried to mimic a random sequence. This seems to automatically add all the necessary escaped text like in WarHog's answer. So, take a look here: car = {:make => "bmw", :year => "2003"} # => {:make=>"bmw", :year=>"2003"} ruby convert hash to json string; ruby convert json to hash online; ruby writing hash to json file; ruby dump hash to json; ruby json to hash converter; ruby load json file to hash; ruby hash tp string json; ruby json to hash list; rails json string to hash; i have a json value in hash convert it to string ruby; hash to json in ruby; from hash . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Hebrews 1:3 What is the Relationship Between Jesus and The Word of His Power? Creates a new JSON::Ext::Parser instance for the string source.. I'm new to Ruby/Rails, but assuming this duplicates key-value pairs? How to convert a ruby hash object to JSON? In case you're not intimately familiar with them, you can see below an example of how to interact with either a String or Symbol key: QGIS expression not working in categorized symbology. You can learn more about himhere,or follow him on twitterhere. Parsing JSON list object to Ruby hash A JSON Array of Objects becomes a Ruby Array of Hashes. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. If you convert hash into json then you can use .to_json it will give you hash with "/" , in your case you can not use .to_json,Instead of this you may use .as_josn,It will convert your hash without "/".like: I suggest you use the method Array#product. In Ruby, how to output json from hash and give it line breaks and tabs Yay for pretty things and yay for avoiding regexen! read ('file-name-to-be-read.json') Step 2: Parse Data from File. Was the ZX Spectrum used for number crunching? Just construct a hash straight away with each_with_object or construct an array of pairs, and turn that into a hash. Not sure if it was just me or something she sent to the whole team. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This post is about how to get a valid JSON (JavaScript Object Notation) snippet from a Ruby Hash. Check out this article on how you can learn this popular programming language for free. Effect of coal and natural gas burning on particulate matter pollution. To generate a Ruby String containing JSON data, use method JSON.generate (source, opts), where source is a Ruby object. Ruby objects and JSON serialization (without Rails), Safely turning a JSON string into an object, How to "pretty" format JSON output in Ruby on Rails. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Why is the federal judiciary of the United States divided into circuits? I tried the same thing with Ruby object and it does not work?? Better way to check if an element only exists in one array. How many transistors at minimum do you need to build a general-purpose computer? Step 1: Open JSON file for Parsing. Check out our Cybersecurity Course Syllabus and see what you will learn. (Array)? Share Improve this answer Follow edited Feb 6, 2020 at 23:11 answered Feb 6, 2020 at 21:23 How to convert a ruby hash object to JSON? Here's the options: indent: a string used to indent levels (default: '' ), Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The good news is that the solution in IRB is extremely easy. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. These cookies track visitors across websites and collect information to provide customized ads. JSON Ruby; object: Hash: array: Array: string: String: number (int) Integer: number (real) Float: true: true: false: false: null: nil: The string comparison can be implemented with an equality test or a containment test, must be case-insensitive and must apply . The TLS connection is successful. Not the answer you're looking for? Ready to optimize your JavaScript with Rust? Are the S&P 500 and Dow Jones Industrial Average securities? How can I use a VPN to access a Russian website that is banned in the EU? I was looking at the RubyDoc and obviously Hash object doesn't have a to_json method. Posted by Flatiron School/January 9, 2013. As you can see, requiring json has magically brought method to_json to our Hash. That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though). Scraping Table with Nokogiri and need JSON output. Since graduating from Flatiron Schools Software Engineering Program in May 2021, she is now thriving in tech. JavaScriptSerializer - JSON serialization of enum as string. Asking for help, clarification, or responding to other answers. Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not? Rex is currently a student a The Flatiron School. Check out our Software Engineering Course Syllabus to see what you could learn. Assuming you have a JSON hash hanging around somewhere, to automatically convert it into something like WarHog's version, wrap your JSON hash contents in %q{hsh} tags. But opting out of some of these cookies may affect your browsing experience. You can use the nice_hash gem: https://github.com/MarioRuiz/nice_hash. These cookies will be stored in your browser only with your consent. So I am trying this example below & it doesn't work? This answer only applies to Rails projects. How to Convert a Ruby Hash Object to Json. How can I pretty-print JSON in a shell script? I was trying to get hash#to_json to work for DateTime object. But I did inspect with p date_json This is what I got for a true string "{\"year\":2013,\"mon\":7,\"mday\":16,\"hour\":13,\"min\":54,\"sec\":32,\"zone\":\"-05:00\",\"offset\":-18000}" so you may see that it is making the key symbols as strings and of course that data is unchanged. Would salt mines, lakes or flats be reasonably found in high, snowy elevations? scripts = JSON.parse (json) # Iterate through each script You could also use Rails' with_indifferent_access method so you could access the body with either symbols or strings. max_nesting: The maximum depth of nesting allowed in the parsed data structures.Disable depth checking with :max_nesting => false|nil|0, it defaults to 100. These Hashes can then contain more Arrays and so on. to_json, however, accepts many Ruby classes even though it acts only as a method for serialization: require 'json' 1.to_json => "1" Constants Infinity JSON_LOADED MinusInfinity NaN UnparserError This exception is raised if a generator or unparser error occurs. Connect and share knowledge within a single location that is structured and easy to search. Start building your skills right now. Find centralized, trusted content and collaborate around the technologies you use most. Does balls to the wall mean full speed ahead or full speed ahead and nosedive? How to set a newcommand to be incompressible by justification? How can I pretty-print JSON in a shell script? Interested in starting a career in coding? Where does the idea of selling dragon parts come from? The rubber protection cover does not pass through the hole in the rim. To learn more, see our tips on writing great answers. New York, NY 10004 Irreducible representations of a product of two groups. Custom objects need to_s defined for the class, and inside it convert the object to a Hash then use to_json on it. The backslash character () is there to escape the quotes for serialization (Ruby object to transportable string) and deserialization (string to Ruby object). But, like many others, the COVID-19 forced her to pivot. The backslashes are part of the string representation, and are not actually in the string. With require 'json', you can easily parse a JSON formatted string into a Ruby hash with JSON.parse(json_string). You're showing what looks to be IRB type output. We also offern our online software engineering bootcamp for students who need a bit more flexibility, or simply just want to learn from the comfort of their own home. They did it for. 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