Found 26433 Articles for Server Side Programming

How to disable selecting text in a Python/Tk program?

Gaurav Leekha
Updated on 15-Feb-2024 16:27:31

654 Views

Tkinter provides a robust set of tools for creating graphical applications. However, there are instances where you might want to customize the behavior of widgets to meet specific requirements. One common requirement is to disable text selection in certain Tkinter widgets. Read this tutorial to learn how you can disable text selection by using Python and Tkinter. Understanding the Problem By default, Tkinter allows users to select and manipulate text within widgets like Entry and Text. While this is often desirable, there are cases where you might want to prevent users from selecting text for various reasons, such as ... Read More

How to ensure that the "bind" order is not skipped in tkinter?

Gaurav Leekha
Updated on 15-Feb-2024 16:29:18

133 Views

Tkinter, Python's go-to GUI toolkit, empowers developers with a robust event-binding mechanism, allowing for the creation of interactive and dynamic user interfaces. However, managing the order in which events are bound becomes crucial when dealing with complex applications. In this article, we will explore various strategies to ensure that the "bind" order is maintained seamlessly in Tkinter, using different examples to illustrate each approach. Leveraging the add Parameter The bind method in Tkinter offers an add parameter that plays a key role in ensuring the order of event bindings is maintained. This parameter allows developers to add new bindings without ... Read More

How to get a form input using Tkinter in Pygame?

Gaurav Leekha
Updated on 15-Feb-2024 16:30:25

1K+ Views

Python offers a versatile set of libraries for different programming needs. Tkinter is a popular choice for creating GUIs, while Pygame excels in game development. Combining these two powerful libraries allows developers to create interactive applications that utilize both GUI elements and gaming features. In this tutorial, we will explore the process of getting form input using Tkinter in a Pygame application. Tkinter and Pygame Before diving into the integration process, let's briefly introduce Tkinter and Pygame. Tkinter − Tkinter is the standard GUI toolkit that comes with Python. It provides a set of tools and widgets to create ... Read More

How to get grid information from pressed Button in tkinter?

Gaurav Leekha
Updated on 15-Feb-2024 16:31:38

849 Views

Organizing widgets in a grid layout is an important aspect of GUI design using Tkinter. In this tutorial, we will explain how you can obtain the row and column indices of widgets within a grid layout. What is Tkinter Grid Layout? Tkinter's grid geometry manager is widely used for arranging widgets in rows and columns. When widgets are placed using the grid method, they are assigned specific row and column indices. To understand how to retrieve this information dynamically, we'll first delve into the basics of grid layout in Tkinter. Example import tkinter as tk # Create the ... Read More

Overview of the C++ Language Binding in the ODMG Standard

sudhir sharma
Updated on 22-Jan-2024 16:15:03

664 Views

Introduction Diving into the world of data management and modeling can be a complex task, especially when dealing with standards like the Object Data Management Group (ODMG). Did you know that ODMG provides an essential standard for object-oriented database systems, including a C++ language binding? This article will guide you through an easy-to-understand overview of this very aspect of ODMG, highlighting its key features such as ODL constructs and transactions. Overview of the ODMG Standard The ODMG standard, developed by the Object Data Management Group (ODMG), provides a framework for managing object-oriented databases. It includes the Object Definition Language (ODL) ... Read More

Proxy Design Pattern for Object Communication in Python

Devesh Chauhan
Updated on 19-Jan-2024 10:34:24

149 Views

Classes and objects are the fundamental elements of programming. These entities construct the entire logic and controls the access to different parts of the code. There could be a situation where we are restricted by the complexity of the operation and therefore, we require an efficient and optimized solution. The Proxy Design Pattern is one such powerful technique of creating a proxy class instead of an instance of the real class. In this article, we will be exploring the basics of this technique and understand how we can use it to solve problems involving huge amount of data. Let’s begin ... Read More

Protected variable in Python

Devesh Chauhan
Updated on 19-Jan-2024 10:26:25

1K+ Views

In programming the concept of protected variable is used to create an access control system. In this system, we establish a hierarchy or level of access control. This concept solidifies the basis of object-oriented programming. The technical meaning of a protected variable remains the same but the syntax and behaviour may vary between different programming languages. Python follows the conventional logic of accessing and manipulating the attributes and methods, but the representation and degree of enforcement of access control is a little different. Understanding Protected Variables in Python Protected variables in python manages the internal use of the attributes and ... Read More

Number of palindromic subsequences of length k where k <= 3

Riya Kumari
Updated on 05-Jan-2024 16:11:39

346 Views

Palindromes are series of letters, numbers or characters which have same starting and ending point. Also, they are same when read from left to right and right to left. A subsequence of a string is a new string which is made by removing some of the characters from the original string without changing the relative order of the characters which are remaining. Suppose you are given a string of length N. You want to find palindromic subsequences of length K from the string. Note that value of K can be less than or equal to 3. In this article, we ... Read More

Number of palindromic paths in a matrix

Riya Kumari
Updated on 05-Jan-2024 16:10:04

319 Views

Palindromic pathways are very useful in solving various problems involving patterns and sequences. It can be used in finding correct path in a maze without reversing, palindromes in a sequence of letters, etc., It can also be used to identify symmetric patterns and structures. In this article, we will discuss about palindromic paths and ways to find such paths in a matrix using C++. Palindromes are series of letters, numbers or characters which have same starting and ending point. Also, they are same when read from left to right and right to left. A path in a matrix is a ... Read More

Number of palindromic permutations

Riya Kumari
Updated on 05-Jan-2024 16:08:18

369 Views

Permutations are possible in strings as well as numbers. A string can have permutations equal to the factorial of its number of characters. These permutations can be palindromic under certain circumstances. In this article, we will discuss about how palindromic permutations occur in a string. We will also find the number of palindromic permutations possible in a string using C++. Permutation is a mathematical process of rearranging the letters or characters from a specified string or words. In other words, it is rearrangement of objects or elements in an order. A palindrome is a set of character which are same ... Read More

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