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Exposing Localhost Server over Internet Using ngrok and VS Code	07 Aug, 2020 We setup and build many projects but before moving them to the production server, we always test the project, and we share the project among our team to share the progress, we share our project code on GitHub as it supports version control system and, but what if we do not want to share the code, but we on...	[ { "code": null, "e": 28, "s": 0, "text": "\n07 Aug, 2020" }, { "code": null, "e": 629, "s": 28, "text": "We setup and build many projects but before moving them to the production server, we always test the project, and we share the project among our team to share the progress, we...
GTest Framework	28 Jan, 2021 It is a test framework i.e., a software tool for writing and running unit tests. It is a library for writing C++ tests. It is based on xUnit architecture which is a set of “Frameworks” for programming and automated execution of test cases. Googletest helps us to write better C++ tests. Independent and Repe...	[ { "code": null, "e": 53, "s": 25, "text": "\n28 Jan, 2021" }, { "code": null, "e": 134, "s": 53, "text": "It is a test framework i.e., a software tool for writing and running unit tests." }, { "code": null, "e": 173, "s": 134, "text": "It is a library for writ...
How to remove extension from string in PHP?	16 Feb, 2019 There are three ways of removing an extension from string. They are as follows Using an inbuilt function pathinfo Using an inbuilt function basename Using an string functions substr and strrpos Using pathinfo() Function: The pathinfo() function returns an array containing the directory name, basename, exte...	[ { "code": null, "e": 28, "s": 0, "text": "\n16 Feb, 2019" }, { "code": null, "e": 107, "s": 28, "text": "There are three ways of removing an extension from string. They are as follows" }, { "code": null, "e": 142, "s": 107, "text": "Using an inbuilt function p...
How to create a table with clickable hyperlink to a local file in Pandas?	15 Mar, 2021 If you are familiar with Data Science or Machine Learning field then we can definitely say that we are going to learn something new from this article, So let’s begin. Here in this article, we will learn how to create a clickable hyperlink of the local file path using pandas. It is not a very complicated ta...	[ { "code": null, "e": 28, "s": 0, "text": "\n15 Mar, 2021" }, { "code": null, "e": 441, "s": 28, "text": "If you are familiar with Data Science or Machine Learning field then we can definitely say that we are going to learn something new from this article, So let’s begin. Here in ...
NaN in C++ – What is it and How to Check For it?	06 Jan, 2022 NaN, an acronym for Not a Number is an exception that usually occurs in the cases when an expression results in a number that is undefined or can’t be represented. It is used for floating-point operations. For example: The square root of negative numbers Division by zero Taking the log of zero or a negativ...	[ { "code": null, "e": 52, "s": 24, "text": "\n06 Jan, 2022" }, { "code": null, "e": 271, "s": 52, "text": "NaN, an acronym for Not a Number is an exception that usually occurs in the cases when an expression results in a number that is undefined or can’t be represented. It is used...
Check whether an array can be made strictly increasing by modifying atmost one element - GeeksforGeeks	29 Apr, 2021 Given an array arr[] of positive integers, the task is to find whether it is possible to make this array strictly increasing by modifying atmost one element.Examples: Input: arr[] = {2, 4, 8, 6, 9, 12} Output: Yes By modifying 8 to 5, array will become strictly increasing. i.e. {2, 4, 5, 6, 9, 12}Input: ...	[ { "code": null, "e": 25224, "s": 25196, "text": "\n29 Apr, 2021" }, { "code": null, "e": 25393, "s": 25224, "text": "Given an array arr[] of positive integers, the task is to find whether it is possible to make this array strictly increasing by modifying atmost one element.Exampl...
Product of middle row and column in an odd square matrix in C	Given a square matrix, mat[row][column] where row and column are equal and are of odd length means the number of row and column must me odd, i.e, not divisible by 2, the task is to find the product of middle row and middle column of that matrix. Like in the given figure below − Matrix must be a square matrix. Matrix mu...	[ { "code": null, "e": 1308, "s": 1062, "text": "Given a square matrix, mat[row][column] where row and column are equal and are of odd length means the number of row and column must me odd, i.e, not divisible by 2, the task is to find the product of middle row and middle column of that matrix." }, ...
Ext.js - First Program	This chapter lists down the steps to write the first Hello World program in Ext JS. Create an index.htm page in the editor of our choice. Include the required library files in the head section of html page as follows. <!DOCTYPE html> <html> <head> <link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0....	[ { "code": null, "e": 2107, "s": 2023, "text": "This chapter lists down the steps to write the first Hello World program in Ext JS." }, { "code": null, "e": 2241, "s": 2107, "text": "Create an index.htm page in the editor of our choice. Include the required library files in the he...
Plotly - Slider Control	Plotly has a convenient Slider that can be used to change the view of data/style of a plot by sliding a knob on the control which is placed at the bottom of rendered plot. Slider control is made up of different properties which are as follows − steps property is required for defining sliding positions of knob over the ...	[ { "code": null, "e": 2532, "s": 2360, "text": "Plotly has a convenient Slider that can be used to change the view of data/style of a plot by sliding a knob on the control which is placed at the bottom of rendered plot." }, { "code": null, "e": 2605, "s": 2532, "text": "Slider con...
How to print current date and time in a JSP page?	With JSP program, it is very easy to get the current date and the time. You can use a simple Date object with the toString() method to print the current date and the time as follows − Live Demo <%@ page import = "java.io.,java.util., javax.servlet.*" %> <html> <head> <title>Display Current Date & Time</titl...	[ { "code": null, "e": 1246, "s": 1062, "text": "With JSP program, it is very easy to get the current date and the time. You can use a simple Date object with the toString() method to print the current date and the time as follows −" }, { "code": null, "e": 1257, "s": 1246, "text":...
ML \| Log Loss and Mean Squared Error - GeeksforGeeks	20 Jun, 2019 It is the evaluation measure to check the performance of the classification model. It measures the amount of divergence of predicted probability with the actual label. So lesser the log loss value, more the perfectness of model. For a perfect model, log loss value = 0. For instance, as accuracy is the coun...	[ { "code": null, "e": 24600, "s": 24572, "text": "\n20 Jun, 2019" }, { "code": null, "e": 25098, "s": 24600, "text": "It is the evaluation measure to check the performance of the classification model. It measures the amount of divergence of predicted probability with the actual la...
Understanding the ROC Curve and AUC \| by Doug Steen \| Towards Data Science	The receiver operating characteristic (ROC) curve is frequently used for evaluating the performance of binary classification algorithms. It provides a graphical representation of a classifier’s performance, rather than a single value like most other metrics. First, let’s establish that in binary classification, there a...	[ { "code": null, "e": 431, "s": 172, "text": "The receiver operating characteristic (ROC) curve is frequently used for evaluating the performance of binary classification algorithms. It provides a graphical representation of a classifier’s performance, rather than a single value like most other metri...
Decision Tree: build, prune and visualize it using Python \| by Gustavo Hideo \| Towards Data Science	Binary Tree is one of the most common and powerful data structures of the computing world. The main reason machine learning engineers like decision trees so much is that it has a low cost to process and it’s really easy to understand (it’s transparent, in opposition to the “black box” from the neural network). It uses ...	[ { "code": null, "e": 734, "s": 171, "text": "Binary Tree is one of the most common and powerful data structures of the computing world. The main reason machine learning engineers like decision trees so much is that it has a low cost to process and it’s really easy to understand (it’s transparent, in...
VB.Net - Classes & Objects	When you define a class, you define a blueprint for a data type. This doesn't actually define any data, but it does define what the class name means, that is, what an object of the class will consist of and what operations can be performed on such an object. Objects are instances of a class. The methods and variables t...	[ { "code": null, "e": 2559, "s": 2300, "text": "When you define a class, you define a blueprint for a data type. This doesn't actually define any data, but it does define what the class name means, that is, what an object of the class will consist of and what operations can be performed on such an ob...
How to install a Python package into a different directory using pip?	You can specify the install-option CLI argument to set the prefix path of the installation directory while installing a new module. For example, if you want to install your package to /tmp, then run the following command − pip install --install-option="--prefix=/tmp" package_name	[ { "code": null, "e": 1285, "s": 1062, "text": "You can specify the install-option CLI argument to set the prefix path of the installation directory while installing a new module. For example, if you want to install your package to /tmp, then run the following command −" }, { "code": null, ...
Exposed Drop-Down Menu in Android - GeeksforGeeks	23 Jun, 2021 The Exposed Drop-Down menu is the replacement for Spinner in Android because Spinner is not that customizable like the new exposed Drop-Down menu. Below is the sample GIF to give an idea of what we are going to build. Note that we are going to implement this project using the Kotlin language. Step 1: Creat...	[ { "code": null, "e": 25070, "s": 25042, "text": "\n23 Jun, 2021" }, { "code": null, "e": 25364, "s": 25070, "text": "The Exposed Drop-Down menu is the replacement for Spinner in Android because Spinner is not that customizable like the new exposed Drop-Down menu. Below is the sam...
How to convert a String to an InputStream object in Java?	A ByteArrayInputStream is a subclass of InputStream class and it contains an internal buffer that contains bytes that may be read from the stream. We can convert a String to an InputStream object by using the ByteArrayInputStream class. This class constructor takes the string byte array which can be done by calling the...	[ { "code": null, "e": 1420, "s": 1062, "text": "A ByteArrayInputStream is a subclass of InputStream class and it contains an internal buffer that contains bytes that may be read from the stream. We can convert a String to an InputStream object by using the ByteArrayInputStream class. This class const...
Solidity - Deploy a Smart Contract for Marks Management System - GeeksforGeeks	22 Sep, 2021 Solidity is a high-level language. The structure of smart contracts in solidity is very similar to the structure of classes in object-oriented languages. The solidity file has an extension .sol. What are Smart Contracts? Solidity’s code is encapsulated in contracts which means a contract in Solidity is a ...	[ { "code": null, "e": 25931, "s": 25903, "text": "\n22 Sep, 2021" }, { "code": null, "e": 26127, "s": 25931, "text": "Solidity is a high-level language. The structure of smart contracts in solidity is very similar to the structure of classes in object-oriented languages. The solid...
Remove Axis Labels using ggplot2 in R - GeeksforGeeks	06 Jun, 2021 In this article, we are going to see how to remove axis labels of the ggplot2 plot in the R programming language. We will use theme() function from ggplot2 package. In this approach to remove the ggplot2 plot labels, the user first has to import and load the ggplot2 package in the R console, which is a pre...	[ { "code": null, "e": 26487, "s": 26459, "text": "\n06 Jun, 2021" }, { "code": null, "e": 26601, "s": 26487, "text": "In this article, we are going to see how to remove axis labels of the ggplot2 plot in the R programming language." }, { "code": null, "e": 27073, "...
Carpet Plots using Plotly in Python - GeeksforGeeks	01 Oct, 2020 A Plotly is a Python library that is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, spreadplot, and many more. It is mainly used in data analysis as well as financial analysis. Plotly is an interactive visualization library. A c...	[ { "code": null, "e": 25537, "s": 25509, "text": "\n01 Oct, 2020" }, { "code": null, "e": 25841, "s": 25537, "text": "A Plotly is a Python library that is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, ...
Julia Constructors - GeeksforGeeks	26 Mar, 2020 Constructors in Julia are functions that are used to create objects. They are specifically used to create instances of objects of Composite Types. A composite type is a collection of named fields, which can also be treated as single values. Julia allows creating type objects as constructors when they are a...	[ { "code": null, "e": 25521, "s": 25493, "text": "\n26 Mar, 2020" }, { "code": null, "e": 26049, "s": 25521, "text": "Constructors in Julia are functions that are used to create objects. They are specifically used to create instances of objects of Composite Types. A composite type...
JavaScript Course \| Interaction With User - GeeksforGeeks	29 Apr, 2019 Previous article: JavaScript Course \| Practice Quiz-1Javascript allows us the privilege with which we can interact with the user and respond accordingly. It includes several user-interface functions which help in the interaction. Let’s take a look at them one by one. alertsimply creates an alert box which ...	[ { "code": null, "e": 26545, "s": 26517, "text": "\n29 Apr, 2019" }, { "code": null, "e": 26813, "s": 26545, "text": "Previous article: JavaScript Course \| Practice Quiz-1Javascript allows us the privilege with which we can interact with the user and respond accordingly. It includ...
Reversing a Queue using another Queue - GeeksforGeeks	28 Dec, 2021 Given a queue. The task is to reverse the queue using another another empty queue. Examples: Input: queue[] = {1, 2, 3, 4, 5} Output: 5 4 3 2 1 Input: queue[] = {10, 20, 30, 40} Output: 40 30 20 10 Approach: Given a queue and an empty queue. The last element of the queue should be the first element of ...	[ { "code": null, "e": 26357, "s": 26329, "text": "\n28 Dec, 2021" }, { "code": null, "e": 26440, "s": 26357, "text": "Given a queue. The task is to reverse the queue using another another empty queue." }, { "code": null, "e": 26451, "s": 26440, "text": "Example...
Collections synchronizedMap() method in Java with Examples - GeeksforGeeks	06 May, 2020 The synchronizedMap() method of java.util.Collections class is used to return a synchronized (thread-safe) map backed by the specified map. In order to guarantee serial access, it is critical that all access to the backing map is accomplished through the returned map. Syntax: public static <K, V> Map<K, V>...	[ { "code": null, "e": 25846, "s": 25818, "text": "\n06 May, 2020" }, { "code": null, "e": 26115, "s": 25846, "text": "The synchronizedMap() method of java.util.Collections class is used to return a synchronized (thread-safe) map backed by the specified map. In order to guarantee s...
How to Abort a Command Execution in Command Prompt? - GeeksforGeeks	17 Sep, 2021 Command Prompt is an interpreter which helps us to execute various commands and functions. These commands may include diskpart, install, cls, etc. Using Command Prompt, we can perform a variety of functions, eg, formatting any drive/Pendrive or compiling any file, or getting IP address using ip-config. But...	[ { "code": null, "e": 26097, "s": 26069, "text": "\n17 Sep, 2021" }, { "code": null, "e": 26401, "s": 26097, "text": "Command Prompt is an interpreter which helps us to execute various commands and functions. These commands may include diskpart, install, cls, etc. Using Command Pr...
How to set & unset session variable in codeigniter ? - GeeksforGeeks	07 Jan, 2022 The session class in CodeIgniter allows the user to maintain a user’s “state” and track their activity while browsing the website. The session can be initialized using the library and auto-loaded in the environment using the following command. $this->load->library('session'); Set the session variable: Sess...	[ { "code": null, "e": 26217, "s": 26189, "text": "\n07 Jan, 2022" }, { "code": null, "e": 26461, "s": 26217, "text": "The session class in CodeIgniter allows the user to maintain a user’s “state” and track their activity while browsing the website. The session can be initialized u...
Minimum number of swaps required to sort an array - GeeksforGeeks	28 Mar, 2022 Given an array of n distinct elements, find the minimum number of swaps required to sort the array. Examples: Input: {4, 3, 2, 1} Output: 2 Explanation: Swap index 0 with 3 and 1 with 2 to form the sorted array {1, 2, 3, 4}. Input: {1, 5, 4, 3, 2} Output: 2 This can be easily done by visua...	[ { "code": null, "e": 26315, "s": 26287, "text": "\n28 Mar, 2022" }, { "code": null, "e": 26415, "s": 26315, "text": "Given an array of n distinct elements, find the minimum number of swaps required to sort the array." }, { "code": null, "e": 26426, "s": 26415, ...
How to use Zoom Component in ReactJS ? - GeeksforGeeks	22 Feb, 2021 Zoom Component adds a Zoom animation to a child element or component. Material UI for React has this component available for us, and it is very easy to integrate. We can use the Zoom Component in ReactJS using the following approach. Creating React Application And Installing Module: Step 1: Create a React ...	[ { "code": null, "e": 26071, "s": 26043, "text": "\n22 Feb, 2021" }, { "code": null, "e": 26305, "s": 26071, "text": "Zoom Component adds a Zoom animation to a child element or component. Material UI for React has this component available for us, and it is very easy to integrate. ...
What does immutable mean? Which Python types are mutable and which are not?	In Python, there are two types of Objects. Mutable Object Immutable Object Mutable: Mutable objects are modified, (i.e) objects are a changeable list, set, dict, etc are mutable. mutable objects are easy to change. list =["Tutorials ","Point", "Pvt","Ltd"] list[2]= 'Tutorix' list ['Tutorials ', 'Point', 'Tutorix', 'Ltd...	[ { "code": null, "e": 1105, "s": 1062, "text": "In Python, there are two types of Objects." }, { "code": null, "e": 1120, "s": 1105, "text": "Mutable Object" }, { "code": null, "e": 1137, "s": 1120, "text": "Immutable Object" }, { "code": null, "e":...
How to generate Unique ID of device for iPhone/iPad using Swift?	UDID(Unique Device Identifier) − A sequence of 40 hexadecimal characters that uniquely identify an iOS device. Since from iOS 5, Apple has deprecated the UIDevice unique identifier, that means the traditional way of getting the unique id. Apple removed the truly unique identifier and introduced an identifier for each v...	[ { "code": null, "e": 1173, "s": 1062, "text": "UDID(Unique Device Identifier) − A sequence of 40 hexadecimal characters that uniquely identify an iOS device." }, { "code": null, "e": 1514, "s": 1173, "text": "Since from iOS 5, Apple has deprecated the UIDevice unique identifier, ...
How do you create a legend for a contour plot in Matplotlib?	To create a legend for a contour plot in matplotlib, we can take the following steps− Create x, y and z data points to plot the contour function. To create a 3D filled contour plot, we can use contourf() method with x, y, z and different levels. Make a list of rectangle with the returned contour signature collection an...	[ { "code": null, "e": 1148, "s": 1062, "text": "To create a legend for a contour plot in matplotlib, we can take the following steps−" }, { "code": null, "e": 1208, "s": 1148, "text": "Create x, y and z data points to plot the contour function." }, { "code": null, "e":...
Display Content on hovering Card using CSS - GeeksforGeeks	01 Sep, 2021 In this article, we will see how we can create a card which displays content on hovering using the hover property using HTML and CSS. HTML Code: In this section, we will create the structure of our HTML card. Create a “div” with class name “card”.Create another “div” inside the main “div” with class name...	[ { "code": null, "e": 24985, "s": 24957, "text": "\n01 Sep, 2021" }, { "code": null, "e": 25119, "s": 24985, "text": "In this article, we will see how we can create a card which displays content on hovering using the hover property using HTML and CSS." }, { "code": null, ...
C Program - Sum of digits of given number till single digit - onlinetutorialspoint	PROGRAMMINGJava ExamplesC Examples Java Examples C Examples C Tutorials aws JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC EXCEPTIONS COLLECTIONS SWING JDBC JAVA 8 SPRING SPRING BOOT HIBERNATE PYTHON PHP JQUERY PROGRAMMINGJava ExamplesC Examples Java Examples C Examples C Tutorials aws C Program to print the sum of digits till sin...	[ { "code": null, "e": 158, "s": 123, "text": "PROGRAMMINGJava ExamplesC Examples" }, { "code": null, "e": 172, "s": 158, "text": "Java Examples" }, { "code": null, "e": 183, "s": 172, "text": "C Examples" }, { "code": null, "e": 195, "s": 183, ...
Simulating Monopoly: Finding the Best Properties Using MATLAB \| by Jake Mitchell \| Towards Data Science	With 40 spaces, and 28 different properties, Monopoly may seem completely random at first, but there are certain properties that can be more beneficial to you over the course of a game. I wanted to find which properties these were using a MATLAB simulation of 10,000,000 dice rolls. I simulate two dice being rolled usin...	[ { "code": null, "e": 455, "s": 172, "text": "With 40 spaces, and 28 different properties, Monopoly may seem completely random at first, but there are certain properties that can be more beneficial to you over the course of a game. I wanted to find which properties these were using a MATLAB simulatio...
Tcl - Logical Operators	Following table shows all the logical operators supported by Tcl language. Assume variable A holds 1 and variable B holds 0, then − Try the following example to understand all the logical operators available in Tcl language − #!/usr/bin/tclsh set a 5 set b 20 if { $a && $b } { puts "Line 1 - Condition is true\n" ...	[ { "code": null, "e": 2333, "s": 2201, "text": "Following table shows all the logical operators supported by Tcl language. Assume variable A holds 1 and variable B holds 0, then −" }, { "code": null, "e": 2427, "s": 2333, "text": "Try the following example to understand all the lo...
Remove Duplicates from Sorted Array II in C++	Suppose we have a sorted array nums, we have to remove the duplicates in-place such that duplicates elements will appear at most twice and return the new length. To do this task we cannot take extra space. We have to solve this with O(1) amount of space. For example, if the array is like [0,0,0,1,1,1,1,2,3,3], then the...	[ { "code": null, "e": 1431, "s": 1062, "text": "Suppose we have a sorted array nums, we have to remove the duplicates in-place such that duplicates elements will appear at most twice and return the new length. To do this task we cannot take extra space. We have to solve this with O(1) amount of space...
Unix / Linux - User Administration	In this chapter, we will discuss in detail about user administration in Unix. There are three types of accounts on a Unix system − This is also called superuser and would have complete and unfettered control of the system. A superuser can run any commands without any restriction. This user should be assumed as a system...	[ { "code": null, "e": 2825, "s": 2747, "text": "In this chapter, we will discuss in detail about user administration in Unix." }, { "code": null, "e": 2878, "s": 2825, "text": "There are three types of accounts on a Unix system −" }, { "code": null, "e": 3083, "s":...
How to Convert Vector to Array in Java? - GeeksforGeeks	15 Nov, 2021 As we all know an array is a group of liked-typed variables that are referred to by a common name while on the other hand vectors basically fall in legacy classes but now it is fully compatible with collections. It is found in java.util package and implement the List interface which gives a superior advant...	[ { "code": null, "e": 24316, "s": 24288, "text": "\n15 Nov, 2021" }, { "code": null, "e": 24858, "s": 24316, "text": "As we all know an array is a group of liked-typed variables that are referred to by a common name while on the other hand vectors basically fall in legacy classes ...
Filter Python list by Predicate in Python - GeeksforGeeks	19 Dec, 2021 In this article, we will discuss how to filter a python list by using predicate. Filter function is used to filter the elements in the given list of elements with the help of a predicate. A predicate is a function that always returns True or False by performing some condition operations in a filter method ...	[ { "code": null, "e": 24318, "s": 24290, "text": "\n19 Dec, 2021" }, { "code": null, "e": 24626, "s": 24318, "text": "In this article, we will discuss how to filter a python list by using predicate. Filter function is used to filter the elements in the given list of elements with ...
Merge two sorted linked lists using C++.	Given 2 sorted singly linked list. Write a function to merge given two sorted linked lists List1: 10->15->17->20 List2: 5->9->13->19 Result: 5->9->10->13->15->17->19->20 1. Traverse both lists 1.1. If list1->data < list2->data 1.1.1 Add list1->data to new list and increment list1 pointer 1.2 If list2->data ...	[ { "code": null, "e": 1153, "s": 1062, "text": "Given 2 sorted singly linked list. Write a function to merge given two sorted linked lists" }, { "code": null, "e": 1232, "s": 1153, "text": "List1: 10->15->17->20\nList2: 5->9->13->19\nResult: 5->9->10->13->15->17->19->20" }, { ...