Q1241. What are recursive components?
The Components that can recursively invoke themselves in their own template are known as recursive components. ```javascript Vue.component('recursive-component', { templa...
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Q1242. Privileges a user can grant?
In SQL security management, database administrators can grant specific privileges using the `GRANT` statement: - **Data Manipulation Privileges**: `SELECT`, `INSERT`, `UP...
Q1243. Why is not all memory freed when Python exits?
Objects referenced from the global namespaces of Python modules are not always deallocated when Python exits. This may happen if there are circular references. There are...
Q1244. How do you apply a transition to multiple properties at once?
You can apply a transition to multiple properties at once by separating the property names with commas in the `transition-property` property. example, `transition-propert...
Q1245. What is the difference between an attribute and a property?
Attributes are defined on the HTML markup whereas properties are defined on the DOM. For example, the below HTML element has 2 attributes: `type` and `value`, ```javascri...
Q1246. What is the purpose of ReactTestUtils package?
_ReactTestUtils_ are provided in the `with-addons` package and allow you to perform actions against a simulated DOM for the purpose of unit testing.
Q1247. How should you expose environment variables to the client safely?
Only expose non-sensitive variables by prefixing them with `NEXT_PUBLIC_`. Keep secrets (API keys, DB credentials) server-only in `.env` and access them from server-side ...
Q1248. How do you resolve circular dependencies between components?
In complex applications, vue components will actually be each other's descendent and ancestor in the render tree. Let's say componentA and componentB included in their re...
Q1249. What is SQL Injection?
A code injection attack where malicious SQL is inserted via user input. Prevention: 1. **Parameterized queries** (prepared statements) 2. **Input validation** 3. **ORM fr...
Q1250. What is Java implementation of Python popularly know?
**Jython** is the implementation of Python written in Java. It compiles Python source code directly into Java bytecode, allowing Python scripts to seamlessly interact wit...