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
Python Articles
Page 833 of 855
Unix style pathname pattern expansion in Python (glob)
When working with files in Python, you often need to iterate through a list of files that match specific patterns. The 'glob' module provides a convenient way to accomplish this by using Unix-style pathname pattern expansion. It allows you to search for files based on their names, including wildcards, making managing files in your directory easier. Overview of the glob Module The glob module primarily offers three functions: glob(): Returns a list of files that match the specified pattern. iglob(): Returns an iterator (generator) for the matching files, which can be ...
Read MoreHow will you compare namespaces in Python and C++?
Namespaces help in organizing code, managing the scope of variables and preventing naming conflicts. Python and C++ use namespaces, but they do so in different ways. Below is an overview of namespaces in both. Namespaces in C++ In C++, namespaces are created using the keyword 'namespace'. They are mainly intended to organize code into logical groups and avoid name conflicts, particularly when working with multiple libraries. Example In the following example we are going to how to use a namespace by utilizing '::' to access functions within that namespace. #include using namespace std; // first namespace namespace first_space ...
Read MoreHow do we use re.finditer() method in Python regular expression?
The re.finditer() method in Python's 're' module finds all occurrences of a specified pattern in a string. It returns an iterator containing match objects for each occurrence. This method is especially useful when you need to determine the position of each match within the input string. Following is the syntax for re.finditer() method. re.finditer(pattern, string, flags=0) How to Use 're.finditer()' Method Following are the steps involved in using re.finditer() method. Import the re module: You need to import the regular expression module before using it. ...
Read MoreGenerate pseudo-random numbers in Python
Many computer applications need random numbers to be generated. However, none of them generate an actual random number. Python, like any other programming language, uses a pseudo-random generator. Python’s random generation is based on the Mersenne Twister algorithm that produces 53-bit precision floats. The technique is fast and thread-safe but not suitable for cryptographic purposes. Python’s standard library contains the random module which defines various functions for handling randomization. The following functions handle random integer number generation. random.seed() − This function initializes the random number generator. ...
Read MoreHow to convert KivyMD to android apk?
Converting a KivyMD App into an AndroidAPK KivyMD is an ultra-popular framework, an extension of another well-known framework called Kivy, that provides lots of tools and widgets to make modern and beautiful UIs for Android, iOS, and Linux. If you are creating an application with KivyMD and want it to be installed on Android devices, then this conversion must be done. This tutorial will help you convert a KivyMD app into an Android APK. Requirements Have the following tools and software ready before you begin. Python: It is written in Python, so you would have to install the same ...
Read MoreHow to import other Python files?
The task or process of importing other files in Python allows you to use functions, classes, or variables defined in those files within your current Python script. In this article, we will explore different ways to import other Python files, including built-in modules, user-defined modules, and importing specific functions or variables. By the end of this article, you will have a solid understanding of how to import and use code from other Python files in your current projects. Along the way, we will use code examples followed by lucid explanations to help you understand the above task. Importing a User-Defined ...
Read MoreShow figures independent of screen resolution in Python Tkinter with Matplotlib
When creating data visualization applications using Python's Tkinter and Matplotlib, it is crucial to ensure that the figures displayed are independent of the user's screen resolution. This ensures that the visual representation of the data remains consistent across different devices and screen sizes. In this article, we will explore techniques to achieve screen resolution independence when integrating Matplotlib figures into Tkinter applications. The challenge arises due to the variation in screen resolutions among different devices. If the figures are not handled properly, they may appear distorted or inconsistent, making it difficult for users to interpret the data accurately. To overcome ...
Read MoreHow to use non-integer, float values for Tkinter Scale widget scrollbar?
Tkinter is a popular library for creating graphical user interfaces (GUI) in Python. It provides a wide range of widgets that allow developers to build interactive applications. One of the most used widgets is the Scale widget, which provides a scrollbar-like control for selecting a value from a range. By default, the Scale widget only supports integer values, but there are ways to use non-integer float values as well. In this article, we will explore how to accomplish this. The Scale widget in Tkinter allows users to select a value by moving a slider along a horizontal or vertical scale. ...
Read MoreHow to set the canvas size properly in Tkinter?
Graphical User Interfaces (GUIs) play a crucial role in software development, enabling users to interact with programs in a visually intuitive manner. Tkinter, a standard GUI toolkit for Python, simplifies the creation of GUI applications. One essential aspect of Tkinter programming is managing the canvas size, as it directly impacts the layout and presentation of graphical elements. In this article, we will delve into the intricacies of setting the canvas size properly in Tkinter. What is Tkinter Canvas? The Tkinter Canvas is like a blank canvas where you can place and manipulate graphical elements. To control its size, you can adjust the ...
Read MoreHow to make a button open a specific .csv file using Python Tkinter?
Graphical User Interfaces (GUIs) make it easy to use computer programs. Python, a popular programming language, has a tool called Tkinter that helps create these GUIs. In this article, we'll explore the process of making a button open a specific .csv file using Python and Tkinter, creating a practical application that enables users to interact with data in a user-friendly manner. Designing the Application Before we dive into the implementation details, let's outline the design of the application. Our goal is to create a simple Tkinter-based program with the following components − A Tkinter Window − The main window ...
Read More