We will start with easy examples and then move to more complex examples. Simple JSON object Example Here is the basic JSON object, example { "Sample":"StringValue", "Id": 1 } JSON Array Example Here is the simple example of posting arrays in JSON. [ 100, 200, 300, 400, 500 ] Com...
For example, // JSON array [ "apple", "mango", "banana"] // JSON array containing objects [ { "name": "John", "age": 22 }, { "name": "Peter", "age": 20 }. { "name": "Mark", "age": 23 } ] Note: JSON data can contain objects and arrays. However, unlike JavaScript...
mysql>set@schema='{"id":"schema_for_videos","$schema":"http://json-schema.org/draft-04/schema#","description":"Schema for the table videos","type":"object","properties":{"title":{"type":"string"},"tags":{"type":"array"}},"required":["title","tags"]}';Query OK,0rows affe...
JsonArray array = Json.createArrayBuilder().build(); The example code below demonstrates how to create the following JSON array: [ { "type": "home", "number": "212 555-1234" }, { "type": "fax", "number": "646 555-4567" } ] JsonArray value = Json.createArrayBuilder() .add...
Decoding a JSON array in Swift is almost as easy as decoding a single JSON object. Take the following JSON example: [{ "title": "Optionals in Swift explained: 5 things you should know", "url": "https://www.avanderlee.com/swift/optionals-in-swift-explained-5-things-you-should-know...
Trying to see if any of the numbers match in both the JSON (from a URL) and array. If it does, do something. In this example, 300 is the number that exists in both the JSON and array. Possible logic / code // FOR json for(var i = 0; i < obj.length; i++) { var myObj...
JSON作为结构化的数据,目前越来越受到开发者的爱戴,它简单灵活易于理解。是作为储存数据的一种比较使用的一种格式,greenplum从5.0开始便很好的支持了JSON数据。 参考资料:https://hashrocket.com/blog/posts/faster-json-generation-with-postgresql#how-to
{"id":"http://some.site.somewhere/entry-schema#","$schema":"https://json-schema.org/draft/2020-12/json-schema-core","type":"object","required":["options"],"properties":{"options":{"type":"array","x-intellij-html-description":"Interesting details:\n FreshNewAwesome\n Choose schema...
= o.end()) { // there is an entry with key "foo" } // or simpler using count() int foo_present = o.count("foo"); // 1 int fob_present = o.count("fob"); // 0 // delete an entry o.erase("foo"); Conversion from STL containers Any sequence container (std::array, std...