Are there two ways to compare values in XQuery? In XQuery there are two ways of comparing values. 1. General comparisons: =, !=, <, <=, >, >= 2. Value comparisons: eq, ne, lt, le, gt, ge The difference between the two comparison methods are shown below. The following expression returns true if any q attributes […]
Category: Lifehacks
Can you create your own header file in C + +?
Can you create your own header file in C + +? Instead of writing a large and complex code, we can create your own header files and include them in our program to use it whenever we want. It enhances code functionality and readability. Below are the steps to create our own header file: Write […]
How do you parse a JSON object in Python?
How do you parse a JSON object in Python? Exercises Create a new Python file an import JSON. Crate a dictionary in the form of a string to use as JSON. Use the JSON module to convert your string into a dictionary. Write a class to load the data from your string. Instantiate an object […]
How do you write decimals as percents?
How do you write decimals as percents? How to Convert a Decimal to Percent: Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %. Example: 0.10 becomes 0.10 x 100 = 10% Example: 0.675 becomes 0.675 x 100 = 67.5% How does a percentage relate to […]
When to use Route parameters in view routes?
When to use Route parameters in view routes? When using route parameters in view routes, the following parameters are reserved by Laravel and cannot be used: view, data, status, and headers. Sometimes you will need to capture segments of the URI within your route. For example, you may need to capture a user’s ID from […]
When to skip form validation in PHP script?
When to skip form validation in PHP script? If the REQUEST_METHOD is POST, then the form has been submitted – and it should be validated. If it has not been submitted, skip the validation and display a blank form. However, in the example above, all input fields are optional. The script works fine even if […]
What do we call the class that inherits from another class?
What do we call the class that inherits from another class? Definitions: A class that is derived from another class is called a subclass (also a derived class, extended class, or child class). The class from which the subclass is derived is called a superclass (also a base class or a parent class). Can a […]