Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
JSON Articles
Page 6 of 16
How can we read a JSON file in Java?
The JSON is one of the widely used data-interchange formats and is a lightweight and language independent. The json.simple is a lightweight JSON processing library that can be used to read and write JSON files and it can be used to encode or decode JSON text and fully compliant with JSON specification (RFC4627). In order to read a JSON file, we need to download the json-simple.jar file and set the path to execute it.json fileExampleimport java.io.*; import java.util.*; import org.json.simple.*; import org.json.simple.parser.*; public class JSONReadFromTheFileTest { public static void main(String[] args) { JSONParser parser = new JSONParser(); try { ...
Read MoreJSON group object in JavaScript
In the given problem statement we are asked to group the JSON object with the help of javascript functionalities. This problem can be solved with the help of a simple algorithm in javascript. What is JSON ? JSON (Javascript Object Notation) is lightweight data which can be transferred between two devices. This data can be read and written by humans. JSON objects are represented in the form of key−value pairs. Keys are strings to define values. In JSON each entry is separated by a semicolon. For example − {“Car” : “Audi”}, in this example Car is a key and Audi ...
Read MoreGet value for key from nested JSON object in JavaScript
In the given problem statement we are asked to get value for key from nested JSON object with the help of javascript functionalities. In Javascript we can solve and access the json data object with the help of dot notation or bracket notation. Before starting coding for the given problem, let's understand what exactly is the JSON object: What is JSON and nested JSON objects? JSON’s full form is Javascript Object Notation. It is a standard text based format to show the structured data. It is basically used to transmit data in web applications, which means we can send ...
Read MoreHow to Fetch Data from JSON file and Display it in an HTML Table using jQuery?
JSON (JavaScript Object Notation) has become popular and offers a lightweight and clean−to−read layout for replacing information between a server and a web application. With the assistance of jQuery, an effective JavaScript library, you could easily fetch statistics from a JSON document and display it on an HTML desk. To run the code nearby, a web server is required. Alternatively, a code editor with a live server plugin can be employed. Syntax $.getJSON() AJAX requests can be utilized to retrieve JSON data from files through this function. The function takes two arguments: URL: The primary argument is the URL ...
Read MoreHow to Convert Scrapy items to JSON?
Web scraping is the process of extracting data from websites. It involves parsing HTML or XML code and extracting relevant information from it. Scrapy is a popular Python−based web scraping framework that allows you to easily build web scrapers to extract structured data from websites. Scrapy provides a robust and efficient framework for building web crawlers that can extract data from websites and store it in various formats. One of the key features of Scrapy is its ability to parse and store data using custom Item classes. These Item classes define the structure of the data that will be extracted ...
Read MoreHow to Convert Ordereddict to JSON?
Python dictionaries are widely used to store key−value pairs of data. However, dictionaries in Python do not maintain the order of elements by default. This can lead to a problem when the order of elements is crucial, such as when serializing data to JSON format while preserving the order of elements. To address this issue, Python provides the OrderedDict class, which is a specialized dictionary that preserves the order of elements as they are added. This class is a subclass of the built−in dict class and is available in the collections module. In this article, we will delve into the ...
Read MoreHow to Compare JSON Objects Regardless of Order in Python?
JSON, which stands for JavaScript Object Notation, is a widely used data format for exchanging data on the web. In Python, it is common to compare two JSON objects to determine if they are the same. However, comparing JSON objects can be a challenging task when the objects have the same elements but in different orders. In this article, we will explore three different methods for comparing JSON objects in Python regardless of their order. We will discuss techniques for converting JSON objects to dictionaries, sorting JSON objects, and utilizing the jsondiff third−party library to compare JSON objects. Each method ...
Read MoreHow to search JSON tree with the help of jQuery?
JSON (JavaScript Object Notation) is a data format that is widely used when transmitting data between the server and a web application. In many cases, the JSON data has a complex structure, and searching for specific data requires some special function implementation. jQuery, a popular JavaScript library, provides powerful methods to navigate and search JSON trees efficiently using the .each() method, filter(), and grep methods. In this article, we will explore all these methods to search JSON trees with the help of jQuery. Understanding JSON Trees JSON data is organized in a hierarchical structure, often referred to as a JSON ...
Read MoreHow to Return Custom JSON in Django REST Framework
Django Rest framework is a toolkit that is used to build APIs in Django. It provides features and functionalities to handle HTTP requests and responses in Python. Django Rest framework uses Serializers and Response classes to return custom JSON data. In this article, we will explore different approaches to return custom JSON in Django REST Framework, along with examples. Serializers and Response Class Django Rest Framework(DRF) uses serializers to convert complex data types, such as Django models, into JSON, XML, or other content types that can be easily rendered into HTTP responses. To return custom JSON, you can create ...
Read MoreHow to delete an index from a JSON Object ?
While working with JSON objects, Sometimes we need to delete an index or key from the JSON object to remove unwanted data or modify the structure. We can delete the index from a JSON object using methods like the delete operator, filter method, and lodash library. In this article, we will explore these different methods to delete an index from a JSON object. Prerequisites To follow along with the examples provided in this article, you should have a basic understanding of JavaScript and JSON syntax. Additionally, you will need a text editor or an integrated development environment (IDE) to write ...
Read More