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How to validate a Username using Regular Expressions in Java
Given a string str which represents a username, the task is to validate this username with the help of Regular Expressions. A username is considered… Read More
Algorithms
DSA
Java
Mahindra Comviva Interview Experience 2020 (Product/Software Development OffCampus)
So Basically we received a mail regarding comviva drive from the campus group, where we where guided to a Survey Monkey survey. After filling the… Read More
Mahindra Comviva
Marketing
Off-Campus
Experiences
Interview Experiences
Collections.UserString in Python
Strings are the arrays of bytes representing Unicode characters. However, Python does not support the character data type. A character is a string of length… Read More
Python collections-module
Python
Python Tkinter – Label
Tkinter Label is a widget that is used to implement display boxes where you can place text or images. The text displayed by this widget… Read More
Picked
Python Tkinter Widget
Python-gui
Python-tkinter
Python
PyQt5 – How to get Label coordinates ?
The main window in PyQt5 is like graph it has x-axis and y-axis, all the widgets are positioned according to their x, y co-ordinates. When… Read More
Python-gui
Python-PyQt
Python
PyQt5 – How to change background color of Main window ?
The first step in creating desktop applications with PyQt is getting a window to show up on your desktop, in this article, we will see… Read More
Python-gui
Python-PyQt
Python
Python Tkinter – MessageBox Widget
Python offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, tkinter is the most commonly used method. It is… Read More
Picked
Python Tkinter Widget
Python-tkinter
Python
Accessor and Mutator methods in Python
In Python, class is a prototype for objects which is a user-defined type. It specifies and defines objects of the same type, a class includes… Read More
python-oop-concepts
Python
Python Property Decorator – @property
A decorator feature in Python wraps in a function, appends several functionalities to existing code and then returns it. Methods and functions are known to… Read More
Python Decorators
Python
Check multiple conditions in if statement – Python
If-else conditional statement is used in Python when a situation leads to two conditions and one of them should hold true. Syntax: if (condition): code1… Read More
python-basics
Python
PyQt5 – How to change text of pre-existing label | setText method
In GUI applications there is need of displaying information this done using labels in PyQt5, but sometimes there is also a need of changing the… Read More
Python-gui
Python-PyQt
Python
PyQt5 – How to hide the title bar of window ?
When we design the GUI (Graphical User Interface) application using PyQt5, there exist the window. A window is a (usually) rectangular portion of the display… Read More
Python-gui
Python-PyQt
Python
Getting Started With ReactJS: A Complete Guide For Beginners
Every front-end developer and web developer knows how frustrating and painful it is to write the same code at multiple places. If they need to… Read More
GBlog
ReactJS
Web Technologies
RSA Digital Signature Scheme using Python
RSA algorithm is an asymmetric cryptography algorithm. Asymmetric actually means that it works on two different keys i.e. Public Key and Private Key. As the… Read More
Python-Miscellaneous
Python
GATE | GATE CS 2020 | Question 65
Consider a TCP connection between a client and a server with the following specifications; the round trip time is 6 ms, the size of the… Read More
GATE
GATE | GATE CS 2020 | Question 46
Consider a relational table R that is in 3NF, but not in BCNF. Which one of the following statements is TRUE ? (A) R has… Read More
GATE
Lasso vs Ridge vs Elastic Net | ML
Bias: Biases are the underlying assumptions that are made by data to simplify the target function. Bias does help us generalize the data better and… Read More
Machine Learning
zlib.crc32() in python
With the help of zlib.crc32() method, we can compute the checksum for crc32 (Cyclic Redundancy Check) to a particular data. It will give 32-bit integer… Read More
python-zlib
Python
Python Tkinter – Entry Widget
Python offers multiple options for developing a GUI (Graphical User Interface). Out of all the GUI methods, Tkinter is the most commonly used method. Python… Read More
Picked
Python Tkinter Widget
Python-gui
Python-tkinter
Python
numpy.ndarray.itemsize() method | Python
numpy.ndarray.itemsize() function return the length of one array element in bytes. Syntax : numpy.ndarray.itemsize(arr) Parameters : arr : [array_like] Input array. Return : [int] The… Read More
python
Python numpy-ndarray
Python-numpy
Machine Learning
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