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Generating XML File from Excel using Macro Below is an example of how you can generate an XML file from an Excel worksheet using a macro: Sub ExportToXML() Dim ws As Worksheet Dim xmlFile As String Dim xmlData As String Dim lastRow As Long Dim i As Long ‘ Set the worksheet to export Set … Read more

Trust Boundary Violation in Java Trust boundary violation is a security vulnerability that occurs when a piece of code (such as a method, class, or module) assumes that data coming from an untrusted source is safe to use without proper validation or sanitization. This can lead to various security threats, including injection attacks, privilege escalation, … Read more

To find child records in Oracle, you can use the hierarchical query feature provided by Oracle’s SQL language. This feature allows you to retrieve parent-child relationships based on a table’s hierarchical structure. Example: Let’s assume you have a table called “employees” with the following structure: CREATE TABLE employees ( id NUMBER PRIMARY KEY, name VARCHAR2(100) … Read more

To filter nested JSON data in Python, you can use the filter() function along with lambda functions. The lambda function can be used to define the filtering conditions based on the required criteria. Here is an example to illustrate the process: import json # Sample JSON data data = { “employees”: [ { “name”: “John”, … Read more

Extracting values from a nested JSON field in SQL Server To extract values from a nested JSON field in SQL Server, you can make use of the JSON functions provided by SQL Server. These functions allow you to parse and navigate JSON data within a SQL query. Let’s assume you have a table named “myTable” … Read more

To extract a value from a mono object in C#, you can use the “Value” property of the Mono object. The Mono object represents an asynchronous operation that may or may not have completed yet. The “Value” property contains the result of the asynchronous operation once it has completed. Here’s an example: using System; using … Read more

How to expire JWT token on logout in Node.js In order to expire a JWT token on logout in Node.js, you can modify the token expiration time or remove the token from your system entirely. Here are a few approaches you can take: 1. Modifying token expiration time: One way to handle token expiration on … Read more

How to Enable the ZIP Extension in XAMPP? To enable the ZIP extension in XAMPP, you need to follow these steps: Locate the “php.ini” file in your XAMPP installation directory. Open the “php.ini” file in a text editor. Search for the following line: ;extension=zip Remove the semicolon (;) at the beginning of the line to … Read more

How to Downgrade Dart Version To downgrade your Dart version, you will need to follow these steps: Uninstall the current Dart version: dart –version Make note of the current version installed and then uninstall it using the command: sudo apt-get purge dart-sdk Note: The above command is for Linux-based systems. If you are using a … Read more

Sure! Below is an example of how you can display Python output on an HTML page using Flask. Assuming you have a Flask application with an endpoint to render the HTML page, you can use the Jinja templating engine to pass the Python output to your HTML template. Here’s an example: “`python from flask import … Read more