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
-
Economics & Finance
Articles by Ankitha Reddy
45 articles
How to generate statistical graphs using Python?
Python has an amazing graph plotting library called matplotlib. It is the most popular graphing and data visualization module for Python. You can start plotting graphs using just 3 lines of code! Basic Line Plot Here's how to create a simple line plot ? from matplotlib import pyplot as plt # Plot coordinates (1, 4), (2, 5), (3, 1) plt.plot([1, 2, 3], [4, 5, 1]) # Display the plot plt.show() Adding Labels and Title You can enhance your plot with descriptive labels and a title ? from matplotlib import ...
Read MoreWhat is operator binding in Python?
Operator binding in Python refers to how the Python interpreter determines which object's special method to call when evaluating binary operators like ==, +,
Read MoreHow to use sockets in JavaScriptHTML?
To enable bidirectional communication between web applications and server-side processes, JavaScript provides the WebSocket API. Unlike traditional HTTP requests, WebSockets maintain a persistent connection allowing real-time data exchange in both directions. WebSockets are commonly used for chat applications, live notifications, real-time gaming, stock price updates, and collaborative editing tools where instant communication is essential. Syntax Following is the syntax to create a WebSocket connection − const socket = new WebSocket(url [, protocols]); Where url is the WebSocket server URL (starting with ws:// or wss://) and protocols is an optional string or array of ...
Read MoreHow do we specify whether a header cell is a header for a column, row, or group of columns or rows in HTML?
The scope attribute in HTML specifies whether a header cell () is a header for a column, row, or group of columns or rows. This attribute improves table accessibility by helping screen readers understand the relationship between header cells and data cells. Syntax Following is the syntax for the scope attribute − Header Content The value can be col, row, colgroup, or rowgroup. Scope Attribute Values The scope attribute accepts the following values − col − Specifies that the header cell is a header for a column. row − Specifies ...
Read MoreExecute a script when a Web Storage area is updated in HTML?
The onstorage attribute in HTML is used to execute a script when the Web Storage area (localStorage or sessionStorage) is updated. This event is triggered when storage data changes in another window or tab of the same origin, making it useful for synchronizing data across multiple browser windows. Syntax Following is the syntax for the onstorage attribute − The onstorage event is typically attached to the element and fires when: Another window or tab modifies localStorage Another window or tab modifies sessionStorage Storage items are added, modified, or removed from ...
Read MoreHow to set the order of the flexible item, relative to the rest with JavaScript?
To set the order of flexible items relative to each other in JavaScript, use the order property. This CSS property controls the visual order of flex items without changing the HTML structure. Syntax element.style.order = "value"; The order property accepts integer values (positive, negative, or zero). Items with lower values appear first, and items with the same order value appear in their original HTML order. Example Here's how to reorder flex items dynamically using JavaScript: ...
Read MoreWhat is function overloading in JavaScript?
JavaScript does not support function overloading like other programming languages such as Java or C++. When you define multiple functions with the same name, JavaScript keeps only the last defined function. What Happens with Same Function Names Let's see what happens when we define multiple functions with the same name: function funcONE(x, y) { return x * y; } function funcONE(z) { return z; } // Only the last function definition is kept console.log(funcONE(5)); // prints 5 console.log(funcONE(5, 6)); // prints ...
Read MoreHow to use comments to prevent JavaScript Execution?
Comments in JavaScript are essential for temporarily disabling code execution during development and testing. Instead of deleting code, you can comment it out to preserve it while testing alternatives. JavaScript supports multiple comment styles, each serving different purposes for code management and documentation. Comment Types and Rules Any text between // and the end of a line is treated as a comment and ignored by JavaScript. Any text between /* and */ is treated as a comment and may span multiple lines. JavaScript recognizes the HTML comment opening sequence is not recognized by JavaScript, so ...
Read MoreHow to debug obfuscated JavaScript?
Debugging obfuscated JavaScript code requires unminifying and formatting the compressed code to make it readable. Obfuscated code is deliberately made difficult to understand by removing whitespace, shortening variable names, and sometimes encoding strings. What is Obfuscated JavaScript? Obfuscated JavaScript is code that has been intentionally made difficult to read and understand. It typically looks like this: var _0x1234=['hello', 'world'];function _0x5678(){console.log(_0x1234[0]+' '+_0x1234[1]);} Method 1: Using Online JavaScript Formatter The easiest way to debug obfuscated code is using an online formatter. Go to the TutorialsPoint JavaScript Formatter: Paste your obfuscated JavaScript code in ...
Read MoreHow to catch exceptions in JavaScript?
To catch exceptions in JavaScript, use try...catch...finally. JavaScript implements the try...catch...finally construct as well as the throw operator to handle exceptions. You can catch programmer-generated and runtime exceptions, but you cannot catch JavaScript syntax errors. Syntax try { // Code that may throw an exception } catch (error) { // Handle the exception } finally { // Optional - always executes } Example: Basic Exception Handling Here's a simple example demonstrating exception catching: ...
Read More