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C++ Program To Print All Permutations Of A Given String	11 Dec, 2021 A permutation also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself. A string of length n has n! permutation. Source: Mathword(http://mathworld.wolfram.com/Permutation.html) Below are the permutations of strin...	[ { "code": null, "e": 28, "s": 0, "text": "\n11 Dec, 2021" }, { "code": null, "e": 236, "s": 28, "text": "A permutation also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself. A string ...
How to test a URL for 404 error in PHP?	20 May, 2019 Checking if a Webpage URL exists or not is relatively easy in PHP. If the required URL does not exist, then it will return 404 error. The checking can be done with and without using cURL library. cURL: The cURL stands for ‘Client for URLs’, originally with URL spelled in uppercase to make it obvious that i...	[ { "code": null, "e": 28, "s": 0, "text": "\n20 May, 2019" }, { "code": null, "e": 224, "s": 28, "text": "Checking if a Webpage URL exists or not is relatively easy in PHP. If the required URL does not exist, then it will return 404 error. The checking can be done with and without...
Python \| os.symlink() method	26 Aug, 2019 OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality. os.symlink() method in Python is used to create symbolic link. This method creates symbo...	[ { "code": null, "e": 53, "s": 25, "text": "\n26 Aug, 2019" }, { "code": null, "e": 272, "s": 53, "text": "OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of usi...
Spring @Service Annotation with Example	18 Feb, 2022 Spring is one of the most popular Java EE frameworks. It is an open-source lightweight framework that allows Java EE 7 developers to build simple, reliable, and scalable enterprise applications. This framework mainly focuses on providing various ways to help you manage your business objects. It made the de...	[ { "code": null, "e": 28, "s": 0, "text": "\n18 Feb, 2022" }, { "code": null, "e": 768, "s": 28, "text": "Spring is one of the most popular Java EE frameworks. It is an open-source lightweight framework that allows Java EE 7 developers to build simple, reliable, and scalable enter...
Tryit Editor v3.7	Tryit: Using object-fit: cover	[]
Visualizing representations of Outputs/Activations of each CNN layer - GeeksforGeeks	30 Jun, 2020 Convolutional neural networks are very powerful in image classification and recognition tasks. CNN models learn features of the training images with various filters applied at each layer. The features learned at each convolutional layer significantly vary. It is an observed fact that initial layers predomi...	[ { "code": null, "e": 23953, "s": 23925, "text": "\n30 Jun, 2020" }, { "code": null, "e": 24682, "s": 23953, "text": "Convolutional neural networks are very powerful in image classification and recognition tasks. CNN models learn features of the training images with various filter...
How to use Python features in your data analytics project \| by René Bremer \| Towards Data Science	A lot of companies are moving to cloud and consider what tooling shall be used for data analytics. On-premises, companies mostly use propriety software for advanced analytics, BI and reporting. However, this tooling may not be the most logical choice in a cloud environment. Reasons can be 1) lack of integration with cl...	[ { "code": null, "e": 618, "s": 172, "text": "A lot of companies are moving to cloud and consider what tooling shall be used for data analytics. On-premises, companies mostly use propriety software for advanced analytics, BI and reporting. However, this tooling may not be the most logical choice in a...
Adding caption below X-axis for a scatter plot using Matplotlib	To add caption below X-axis for a scatter plot, we can use text() method for the current figure. Create x and y data points using numpy. Create x and y data points using numpy. Create a new figure or activate an existing figure using figure() method. Create a new figure or activate an existing figure using figure() met...	[ { "code": null, "e": 1159, "s": 1062, "text": "To add caption below X-axis for a scatter plot, we can use text() method for the current figure." }, { "code": null, "e": 1199, "s": 1159, "text": "Create x and y data points using numpy." }, { "code": null, "e": 1239, ...
Flutter - Stateful vs Stateless Widgets - GeeksforGeeks	19 Mar, 2021 The state of an app can very simply be defined as anything that exists in the memory of the app while the app is running. This includes all the widgets that maintain the UI of the app including the buttons, text fonts, icons, animations, etc. So now as we know what are these states let’s dive directly into...	[ { "code": null, "e": 23857, "s": 23829, "text": "\n19 Mar, 2021" }, { "code": null, "e": 24271, "s": 23857, "text": "The state of an app can very simply be defined as anything that exists in the memory of the app while the app is running. This includes all the widgets that mainta...
Dart Programming - If Statement	The if...else construct evaluates a condition before a block of code is executed. Following is the syntax. if(boolean_expression){ // statement(s) will execute if the boolean expression is true. } If the Boolean expression evaluates to be true, then the block of code inside the if statement will be executed. If ...	[ { "code": null, "e": 2607, "s": 2525, "text": "The if...else construct evaluates a condition before a block of code is executed." }, { "code": null, "e": 2632, "s": 2607, "text": "Following is the syntax." }, { "code": null, "e": 2729, "s": 2632, "text": "if(b...
Get only a single value from a specific MySQL row?	For this, use SELECT INTO variable with where clause. Let us first create a table − mysql> create table DemoTable1896 ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentName varchar(20), StudentMarks int ); Query OK, 0 rows affected (0.00 sec) Insert some records in the table using insert comman...	[ { "code": null, "e": 1146, "s": 1062, "text": "For this, use SELECT INTO variable with where clause. Let us first create a table −" }, { "code": null, "e": 1330, "s": 1146, "text": "mysql> create table DemoTable1896\n (\n StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,\n ...
Run Length Encoding - GeeksforGeeks	15 Feb, 2022 Given an input string, write a function that returns the Run Length Encoded string for the input string.For example, if the input string is “wwwwaaadexxxxxx”, then the function should return “w4a3d1e1x6” a) Pick the first character from the source string. b) Append the picked character to the destination s...	[ { "code": null, "e": 24838, "s": 24810, "text": "\n15 Feb, 2022" }, { "code": null, "e": 25042, "s": 24838, "text": "Given an input string, write a function that returns the Run Length Encoded string for the input string.For example, if the input string is “wwwwaaadexxxxxx”, then...
Value of continuous floor function : F(x) = F(floor(x/2)) + x - GeeksforGeeks	29 Apr, 2021 Given an array of positive integers. For every element x of array, we need to find the value of continuous floor function defined as F(x) = F(floor(x/2)) + x, where F(0) = 0. Examples :- Input : arr[] = {6, 8} Output : 10 15 Explanation : F(6) = 6 + F(3) = 6 + 3 + F(1) ...	[ { "code": null, "e": 24787, "s": 24759, "text": "\n29 Apr, 2021" }, { "code": null, "e": 24976, "s": 24787, "text": "Given an array of positive integers. For every element x of array, we need to find the value of continuous floor function defined as F(x) = F(floor(x/2)) + x, wher...
Function hoisting in JavaScript	Hoisting is a JavaScript technique which moves variables and function declarations to the top of their scope before code execution begins. Within a scope no matter where functions or variables are declared, they're moved to the top of their scope. Note that hoisting only moves the declaration while assignments are left...	[ { "code": null, "e": 1310, "s": 1062, "text": "Hoisting is a JavaScript technique which moves variables and function declarations to the top of their scope before code execution begins. Within a scope no matter where functions or variables are declared, they're moved to the top of their scope." },...
numpy.less() in Python	28 Mar, 2022 The numpy.less() : checks whether x1 is lesser than x2 or not. Syntax : numpy.less(x1, x2[, out]) Parameters : x1, x2 : [array_like]Input arrays. If x1.shape != x2.shape, they must be broadcastable to a common shape out : [ndarray, boolean]Array of bools, or a single bool if x1 and x2 a...	[ { "code": null, "e": 28, "s": 0, "text": "\n28 Mar, 2022" }, { "code": null, "e": 101, "s": 28, "text": "The numpy.less() : checks whether x1 is lesser than x2 or not. Syntax : " }, { "code": null, "e": 127, "s": 101, "text": "numpy.less(x1, x2[, out])" }, ...
How to Design a Web Page in HTML?	09 Mar, 2022 HTML is known as HyperText Markup Language. It is a combination of both Hypertext and Markup language. Here hypertext means the link between the web pages and markup is used to define the text document within tag which defines the structure of web pages. It acts as a skeleton of a web page and without HTML...	[ { "code": null, "e": 28, "s": 0, "text": "\n09 Mar, 2022" }, { "code": null, "e": 593, "s": 28, "text": "HTML is known as HyperText Markup Language. It is a combination of both Hypertext and Markup language. Here hypertext means the link between the web pages and markup is used t...
Create a Responsive Navbar using ReactJS	30 Jul, 2021 In this Article, We will create a functioning navigation bar using Reactjs. Problem statement: Create a navigation bar using reactJS & styled-component Modules required: npmcreate-react-appstyled-componentsreact-router-dom npm create-react-app styled-components react-router-dom Basic Setup: For creating a ...	[ { "code": null, "e": 54, "s": 26, "text": "\n30 Jul, 2021" }, { "code": null, "e": 130, "s": 54, "text": "In this Article, We will create a functioning navigation bar using Reactjs." }, { "code": null, "e": 206, "s": 130, "text": "Problem statement: Create a n...
Multimap in C++ Standard Template Library (STL)	17 Jan, 2022 Multimap is similar to a map with the addition that multiple elements can have the same keys. Also, it is NOT required that the key-value and mapped value pair have to be unique in this case. One important thing to note about multimap is that multimap keeps all the keys in sorted order always. These proper...	[ { "code": null, "e": 52, "s": 24, "text": "\n17 Jan, 2022" }, { "code": null, "e": 429, "s": 52, "text": "Multimap is similar to a map with the addition that multiple elements can have the same keys. Also, it is NOT required that the key-value and mapped value pair have to be uni...
HTML5 <audio> Tag	15 Jul, 2022 Since the release of HTML5, audios can be added to webpages using the “audio” tag. Previously, audios could be only played on web pages using web plugins like Flash. The “audio” tag is an inline element that is used to embed sound files into a web page. It is a useful tag if you want to add audio such as s...	[ { "code": null, "e": 53, "s": 25, "text": "\n15 Jul, 2022" }, { "code": null, "e": 400, "s": 53, "text": "Since the release of HTML5, audios can be added to webpages using the “audio” tag. Previously, audios could be only played on web pages using web plugins like Flash. The “aud...
Output of C programs \| Set 31 (Pointers)	19 Apr, 2018 Prerequisite: Pointers in C/C++ Question 1What will be the output?#include<stdio.h> int main(){ int a[] = { 1, 2, 3, 4, 5} ; int ptr; ptr = a; printf(" %d ", ( ptr + 1) ); return 0;}output 2 Description:It is possible to assign an array to a pointer. so, when ptr = a; is executed the ...	[ { "code": null, "e": 52, "s": 24, "text": "\n19 Apr, 2018" }, { "code": null, "e": 84, "s": 52, "text": "Prerequisite: Pointers in C/C++" }, { "code": null, "e": 2230, "s": 84, "text": "Question 1What will be the output?#include<stdio.h> int main(){ int a...
outtextxy() function in C	05 Dec, 2019 The header file graphics.h contains outtextxy() function which displays the text or string at a specified point (x, y) on the screen. Syntax : void outtextxy(int x, int y, char *string); where, x, y are coordinates of the point and, third argument contains the address of string to be displayed. Examples...	[ { "code": null, "e": 54, "s": 26, "text": "\n05 Dec, 2019" }, { "code": null, "e": 188, "s": 54, "text": "The header file graphics.h contains outtextxy() function which displays the text or string at a specified point (x, y) on the screen." }, { "code": null, "e": 197...
How to setup Competitive Programming in Visual Studio Code for C++	11 May, 2022 We need to install GCC compilers for Windows. Linux has already GCC installed. 1.Download and Install the MinGW for GCC compiler using this link. 2.Open Control Panel in your system and then select: System (Control Panel) 3.Click on the Advanced system settings 4.Click on Environment Variables. In the sect...	[ { "code": null, "e": 52, "s": 24, "text": "\n11 May, 2022" }, { "code": null, "e": 131, "s": 52, "text": "We need to install GCC compilers for Windows. Linux has already GCC installed." }, { "code": null, "e": 618, "s": 131, "text": "1.Download and Install the...
Python \| Grouping similar substrings in list	17 Jun, 2021 Sometimes we have an application in which we require to group common prefix strings into one such that further processing can be done according to the grouping. This type of grouping is useful in the cases of Machine Learning and Web Development. Let’s discuss certain ways in which this can be done.Method ...	[ { "code": null, "e": 28, "s": 0, "text": "\n17 Jun, 2021" }, { "code": null, "e": 596, "s": 28, "text": "Sometimes we have an application in which we require to group common prefix strings into one such that further processing can be done according to the grouping. This type of g...
Inheritance in C++	13 Jul, 2022 The capability of a class to derive properties and characteristics from another class is called Inheritance. Inheritance is one of the most important features of Object-Oriented Programming. Inheritance is a feature or a process in which, new classes are created from the existing classes. The new class cr...	[ { "code": null, "e": 52, "s": 24, "text": "\n13 Jul, 2022" }, { "code": null, "e": 244, "s": 52, "text": "The capability of a class to derive properties and characteristics from another class is called Inheritance. Inheritance is one of the most important features of Object-Orien...
Simplifying Context Free Grammars	11 Apr, 2022 The definition of context free grammars (CFGs) allows us to develop a wide variety of grammars. Most of the time, some of the productions of CFGs are not useful and are redundant. This happens because the definition of CFGs does not restrict us from making these redundant productions. By simplifying CFGs ...	[ { "code": null, "e": 52, "s": 24, "text": "\n11 Apr, 2022" }, { "code": null, "e": 339, "s": 52, "text": "The definition of context free grammars (CFGs) allows us to develop a wide variety of grammars. Most of the time, some of the productions of CFGs are not useful and are redun...
Joining Threads in Java	java.lang.Thread class provides a method join() which serves the following purposes usign its overloaded version. join() − The current thread invokes this method on a second thread, causing the current thread to block until the second thread terminates. join() − The current thread invokes this method on a second thread...	[ { "code": null, "e": 1176, "s": 1062, "text": "java.lang.Thread class provides a method join() which serves the following purposes usign its overloaded version." }, { "code": null, "e": 1316, "s": 1176, "text": "join() − The current thread invokes this method on a second thread, ...
Minimum Operations \| Practice \| GeeksforGeeks	Given a number N. Find the minimum number of operations required to reach N starting from 0. You have 2 operations available: Double the number Add one to the number Example 1: Input: N = 8 Output: 4 Explanation: 0 + 1 = 1, 1 + 1 = 2, 2 * 2 = 4, 4 * 2 = 8 â€‹Example 2: Input: N = 7 Output: 5 Explanation: 0 + 1 = ...	[ { "code": null, "e": 352, "s": 226, "text": "Given a number N. Find the minimum number of operations required to reach N starting from 0. You have 2 operations available:" }, { "code": null, "e": 371, "s": 352, "text": "Double the number " }, { "code": null, "e": 393,...
How to open multiple filenames in Tkinter and add the file names to a list?	To open a file dialog in a tkinter application, tkinter provides the tkfiledialog package which creates a dialog box to interact with the external files located on the system. In order to work with filedialog, we have to first import the package using the following command, import tkinter.filedialog as fd To open the e...	[ { "code": null, "e": 1337, "s": 1062, "text": "To open a file dialog in a tkinter application, tkinter provides the tkfiledialog package which creates a dialog box to interact with the external files located on the system. In order to work with filedialog, we have to first import the package using t...
New Algorithm to Generate Prime Numbers from 1 to Nth Number - GeeksforGeeks	24 Apr, 2019 Apart from Sieve of Eratosthenes method to generate Prime numbers, we can implement a new Algorithm for generating prime numbers from 1 to N. It might be amazing to know that all the prime numbers ≥ 5 can be traced from a pattern:Let’s try to understand the series: Series 1:5 + 6 = 1111 + 6 = 1717 + 6 = 23...	[ { "code": null, "e": 24107, "s": 24079, "text": "\n24 Apr, 2019" }, { "code": null, "e": 24249, "s": 24107, "text": "Apart from Sieve of Eratosthenes method to generate Prime numbers, we can implement a new Algorithm for generating prime numbers from 1 to N." }, { "code":...
How to Convert Binary to Hexadecimal?	Binary is the simplest kind of number system that uses only two digits of 0 and 1 (i.e. value of base 2). Since digital electronics have only these two states (either 0 or 1), so binary number is most preferred in modern computer engineer, networking and communication specialists, and other professionals. Whereas Hexad...	[ { "code": null, "e": 1369, "s": 1062, "text": "Binary is the simplest kind of number system that uses only two digits of 0 and 1 (i.e. value of base 2). Since digital electronics have only these two states (either 0 or 1), so binary number is most preferred in modern computer engineer, networking an...
Create a dynamic table name from current year in MySQL like 2019	To create a table name like year (2019), use PREPARE statement. Let us first create a table − mysql> create table DemoTable1959 ( UserName varchar(20) ); Query OK, 0 rows affected (0.00 sec) Insert some records in the table using insert command − mysql> insert into DemoTable1959 values('Chris'); Query OK, 1 ro...	[ { "code": null, "e": 1156, "s": 1062, "text": "To create a table name like year (2019), use PREPARE statement. Let us first create a table −" }, { "code": null, "e": 1262, "s": 1156, "text": "mysql> create table DemoTable1959\n (\n UserName varchar(20)\n );\nQuery OK, 0 row...
Why I Think Python is Perfect for Machine Learning and Artificial Intelligence \| by Andrew Luashchuk \| Towards Data Science	This article about why Python is good for ML and AI is originally posted on Django Stars blog. Artificial Intelligence (AI) and Machine Learning (ML) are the new black of the IT industry. While discussions over the safety of its development keep escalating, developers expand abilities and capacity of artificial intelle...	[ { "code": null, "e": 267, "s": 172, "text": "This article about why Python is good for ML and AI is originally posted on Django Stars blog." }, { "code": null, "e": 783, "s": 267, "text": "Artificial Intelligence (AI) and Machine Learning (ML) are the new black of the IT industry...
NLP Text Preprocessing: Steps, tools, and examples \| by Viet Hoang Tran Duong \| Towards Data Science	Text data is everywhere, from your daily Facebook or Twitter newsfeed to textbooks and customer feedback. Data is the new oil, and text is an oil well that we need to drill deeper. Before we can actually use the oil, we must preprocess it so it fits our machines. Same for data, we must clean and preprocess the data to ...	[ { "code": null, "e": 623, "s": 172, "text": "Text data is everywhere, from your daily Facebook or Twitter newsfeed to textbooks and customer feedback. Data is the new oil, and text is an oil well that we need to drill deeper. Before we can actually use the oil, we must preprocess it so it fits our m...
Python code to move spaces to front of string in single traversal - GeeksforGeeks	23 Nov, 2020 Given a string that has set of words and spaces, write a program to move all spaces to front of string, by traversing the string only once. Examples: Input : str = "geeks for geeks" Output : ste = " geeksforgeeks" Input : str = "move these spaces to beginning" Output : str = " movethesespacestobegin...	[ { "code": null, "e": 23926, "s": 23898, "text": "\n23 Nov, 2020" }, { "code": null, "e": 24066, "s": 23926, "text": "Given a string that has set of words and spaces, write a program to move all spaces to front of string, by traversing the string only once." }, { "code": n...
Python Type Object	Everything in Python is an object including classes. All classes are instances of a class called "type".The type object is also an instance of type class. You can inspect the inheritance hierarchy of class by examining the __bases__ attribute of a class object. type() method returns class type of the argument(object) p...	[ { "code": null, "e": 1577, "s": 1062, "text": "Everything in Python is an object including classes. All classes are instances of a class called \"type\".The type object is also an instance of type class. You can inspect the inheritance hierarchy of class by examining the __bases__ attribute of a cla...
Difference between EnumMap and HashMap in Java	EnumMap is introduced in JDK5. It is designed to use Enum as key in the Map. It is also the implementation of the Map interface. All of the key in the EnumMap should be of the same enum type. In EnumMap , key can’t be null and any it will throw NullPointerException. As per java docs − EnumMap internally using as array...	[ { "code": null, "e": 1329, "s": 1062, "text": "EnumMap is introduced in JDK5. It is designed to use Enum as key in the Map. It is also the implementation of the Map interface. All of the key in the EnumMap should be of the same enum type. In EnumMap , key can’t be null and any it will throw NullPoin...
Java - max() Method	This method gives the maximum of the two arguments. The argument can be int, float, long, double. This method has the following variants − double max(double arg1, double arg2) float max(float arg1, float arg2) int max(int arg1, int arg2) long max(long arg1, long arg2) Here is the detail of parameters − This method acc...	[ { "code": null, "e": 2475, "s": 2377, "text": "This method gives the maximum of the two arguments. The argument can be int, float, long, double." }, { "code": null, "e": 2516, "s": 2475, "text": "This method has the following variants −" }, { "code": null, "e": 2647, ...
Python program to check credit card number is valid or not	Suppose we have a credit card number. We have to check whether the card number is valid or not. The card numbers have certain properties − It will start with 4, 5 and 6 It will start with 4, 5 and 6 It will be 16 digits’ long It will be 16 digits’ long Numbers must contain only digits Numbers must contain only digits I...	[ { "code": null, "e": 1201, "s": 1062, "text": "Suppose we have a credit card number. We have to check whether the card number is valid or not. The card numbers have certain properties −" }, { "code": null, "e": 1231, "s": 1201, "text": "It will start with 4, 5 and 6" }, { ...
How to use HTML5 GeoLocation API with Google Maps?	HTML5 Geolocation API lets you share your location with your favorite websites. A Javascript can capture your latitude and longitude and can be sent to backend web server and do fancy location-aware things like finding local businesses or showing your location on a map. The geolocation coordinates specify the geographi...	[ { "code": null, "e": 1408, "s": 1062, "text": "HTML5 Geolocation API lets you share your location with your favorite websites. A Javascript can capture your latitude and longitude and can be sent to backend web server and do fancy location-aware things like finding local businesses or showing your l...
Bajaj Finserv Interview Experience for Data Engineer - GeeksforGeeks	26 Aug, 2021 Round 1 (API Round): The first round was the challenge round where we were asked to upload our name, email, college, and other details by using the open API given by the company. A maximum of 10 chances was given to get a success message. Round 2 (Coding round): After two hours we got the shortlisted stud...	[ { "code": null, "e": 25078, "s": 25050, "text": "\n26 Aug, 2021" }, { "code": null, "e": 25099, "s": 25078, "text": "Round 1 (API Round):" }, { "code": null, "e": 25318, "s": 25099, "text": "The first round was the challenge round where we were asked to upload...