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Python Program for Column to Row Transpose using Pandas	20 Jan, 2022 Given an Input File, having columns Dept and Name, perform an operation to convert the column values to rows. Name contains pipe separated values that belong to a particular department identified by the column Dept. Attached Dataset: emp_data Examples: Input: dept, name 10, Vivek\|John 20, Ritika\|Shubham\|Ni...	[ { "code": null, "e": 28, "s": 0, "text": "\n20 Jan, 2022" }, { "code": null, "e": 244, "s": 28, "text": "Given an Input File, having columns Dept and Name, perform an operation to convert the column values to rows. Name contains pipe separated values that belong to a particular d...
Python – Append List every Nth index	11 Oct, 2020 Given 2 list, append list to the original list every nth index. Input : test_list = [3, 7, 8, 2, 1, 5, 8], app_list = [‘G’, ‘F’, ‘G’], N = 3 Output : [‘G’, ‘F’, ‘G’, 3, 7, 8, ‘G’, ‘F’, ‘G’, 2, 1, 5, ‘G’, ‘F’, ‘G’, 8] Explanation : List is added after every 3rd element.Input : test_list = [3, 7, 8, 2, 1, 5,...	[ { "code": null, "e": 28, "s": 0, "text": "\n11 Oct, 2020" }, { "code": null, "e": 92, "s": 28, "text": "Given 2 list, append list to the original list every nth index." }, { "code": null, "e": 510, "s": 92, "text": "Input : test_list = [3, 7, 8, 2, 1, 5, 8], a...
Python program to count occurrences of a word in a string	In this tutorial, we are going to write a program that counts the number of times a word occurs in the string. You are given the word and a string, we have to calculate the frequency of the word in the string. Suppose we have a string I am a programmer. I am a student. And the word is. The program that we are going to ...	[ { "code": null, "e": 1397, "s": 1187, "text": "In this tutorial, we are going to write a program that counts the number of times a word occurs in the string. You are given the word and a string, we have to calculate the frequency of the word in the string." }, { "code": null, "e": 1580, ...
Lottie Animation in Android Jetpack Compose	17 Aug, 2021 Lottie is a great library to add animated files into your app. Two days ago Jetpack compose went stable and also Lottie supports Compose. In this article, we are going to see how to add Lottie animations in compose app. We will build a simple app showing Lottie animation with a pause/play and an increase/d...	[ { "code": null, "e": 28, "s": 0, "text": "\n17 Aug, 2021" }, { "code": null, "e": 248, "s": 28, "text": "Lottie is a great library to add animated files into your app. Two days ago Jetpack compose went stable and also Lottie supports Compose. In this article, we are going to see ...
PrintStream print(char) method in Java with Examples	31 Jan, 2019 The print(char) method of PrintStream Class in Java is used to print the specified char value on the stream. This char value is taken as a parameter. Syntax: public void print(char charValue) Parameters: This method accepts a mandatory parameter charValue which is the char value to be written on the stream...	[ { "code": null, "e": 28, "s": 0, "text": "\n31 Jan, 2019" }, { "code": null, "e": 178, "s": 28, "text": "The print(char) method of PrintStream Class in Java is used to print the specified char value on the stream. This char value is taken as a parameter." }, { "code": nul...
Difference between Primary and Candidate Key	22 Mar, 2021 Prerequisite – DBMS \| Keys in Relational Model Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These(Primary key and Candidate key) are also can be used to create a relationship between two tables. Primary Key: Primary Key is a set of attributes (or attri...	[ { "code": null, "e": 53, "s": 25, "text": "\n22 Mar, 2021" }, { "code": null, "e": 303, "s": 53, "text": "Prerequisite – DBMS \| Keys in Relational Model Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These(Primary key and Candid...
How to fill up the rest of screen height using Tailwind CSS ?	26 May, 2021 In this article, we will learn how to fill up the rest of the screen height using Tailwind CSS. Approach: To solve the above problem we’ll be using the Flex Class and Height Class of Tailwind CSS. The classes that we’ll be using to solve this are as follows. flex: It is used to set the length of flexible ...	[ { "code": null, "e": 28, "s": 0, "text": "\n26 May, 2021" }, { "code": null, "e": 124, "s": 28, "text": "In this article, we will learn how to fill up the rest of the screen height using Tailwind CSS." }, { "code": null, "e": 226, "s": 124, "text": "Approach: ...
Python Continue Statement	27 Aug, 2021 In this article, we will discuss continue statements in Python for altering the flow of loops. Loops in Python automates and repeats the tasks in an efficient manner. But sometimes, there may arise a condition where you want to exit the loop completely, skip an iteration or ignore that condition. These can...	[ { "code": null, "e": 52, "s": 24, "text": "\n27 Aug, 2021" }, { "code": null, "e": 147, "s": 52, "text": "In this article, we will discuss continue statements in Python for altering the flow of loops." }, { "code": null, "e": 479, "s": 147, "text": "Loops in P...
Count common characters in two strings	25 Nov, 2021 Given two strings s1 and s2 consisting of lowercase English alphabets, the task is to count all the pairs of indices (i, j) from the given strings such that s1[i] = s2[j] and all the indices are distinct i.e. if s1[i] pairs with some s2[j] then these two characters will not be paired with any other charact...	[ { "code": null, "e": 52, "s": 24, "text": "\n25 Nov, 2021" }, { "code": null, "e": 372, "s": 52, "text": "Given two strings s1 and s2 consisting of lowercase English alphabets, the task is to count all the pairs of indices (i, j) from the given strings such that s1[i] = s2[j] and...
How to create line chart using react bootstrap ?	21 Jun, 2021 Line charts are used to represent the relation between two data X and Y on a different axis. One of the axes of the plot represents the specific categories being compared, while the other axis represents the measured values corresponding to those categories. Creating React Application And Installing Module...	[ { "code": null, "e": 54, "s": 26, "text": "\n21 Jun, 2021" }, { "code": null, "e": 313, "s": 54, "text": "Line charts are used to represent the relation between two data X and Y on a different axis. One of the axes of the plot represents the specific categories being compared, wh...
How to create a GitHub repository	A GitHub account is a pre-requisite for creating a GitHub repository. Follow the below steps after registering with GitHub. Step 1 − Login to the GitHub account. Once you login to your account you will see a ‘+’ button on the right. Click on the button and select "New repository" option to create a new repository. Conf...	[ { "code": null, "e": 1311, "s": 1187, "text": "A GitHub account is a pre-requisite for creating a GitHub repository. Follow the below steps after registering with GitHub." }, { "code": null, "e": 1503, "s": 1311, "text": "Step 1 − Login to the GitHub account. Once you login to yo...
VB.Net - Label Control	The Label control represents a standard Windows label. It is generally used to display some informative text on the GUI which is not changed during runtime. Let's create a label by dragging a Label control from the Toolbox and dropping it on the form. The following are some of the commonly used properties of the Label ...	[ { "code": null, "e": 2591, "s": 2434, "text": "The Label control represents a standard Windows label. It is generally used to display some informative text on the GUI which is not changed during runtime." }, { "code": null, "e": 2686, "s": 2591, "text": "Let's create a label by d...
TreeMap values() Method in Java with Examples	18 Nov, 2021 In Java, the values() method of the TreeMap class is present inside java.util package which is used to create a collection out of the values of the map. It basically returns a Collection view of the values in the TreeMap. --> java.util package --> TreeMap class --> values() Method Syntax: Tr...	[ { "code": null, "e": 28, "s": 0, "text": "\n18 Nov, 2021" }, { "code": null, "e": 250, "s": 28, "text": "In Java, the values() method of the TreeMap class is present inside java.util package which is used to create a collection out of the values of the map. It basically returns a...
Select the next row after skipping every 2 rows in MySQL	To skip rows, you can use OFFSET. Let us first create a table − mysql> create table DemoTable617(Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,FirstName varchar(100)); Query OK, 0 rows affected (1.70 sec) Insert some records in the table using insert command − mysql> insert into DemoTable617(FirstName) values('John'); Que...	[ { "code": null, "e": 1126, "s": 1062, "text": "To skip rows, you can use OFFSET. Let us first create a table −" }, { "code": null, "e": 1264, "s": 1126, "text": "mysql> create table DemoTable617(Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,FirstName varchar(100));\nQuery OK, 0 rows...
Delete a directory or file using Python - GeeksforGeeks	29 Dec, 2020 Python provides different methods and functions for removing files and directories. One can remove the file according to their need. Various methods provided by Python are – Using os.remove() Using os.rmdir() Using shutil.rmtree() OS module in Python provides functions for interacting with the operating sy...	[ { "code": null, "e": 24318, "s": 24290, "text": "\n29 Dec, 2020" }, { "code": null, "e": 24492, "s": 24318, "text": "Python provides different methods and functions for removing files and directories. One can remove the file according to their need. Various methods provided by Py...
How to use select list in selenium?	We can select an option from the dropdown list with Selenium webdriver. The Select class is used to handle static dropdown. A dropdown is identified with the <select> tag in an html code. Let us consider the below html code for <select> tag. We have to import org.openqa.selenium.support.ui.Select to work with methods u...	[ { "code": null, "e": 1250, "s": 1062, "text": "We can select an option from the dropdown list with Selenium webdriver. The Select class is used to handle static dropdown. A dropdown is identified with the <select> tag in an html code." }, { "code": null, "e": 1304, "s": 1250, "te...
Granting _SYS_REPO with SELECT to user schema in SAP HANA	In SAP HANA system _SYS_REPO user is required to create run time objects that are saved in HANA database under _SYS_BIC schema. When you activate modeling views in HANA, SYS REPO provides the read access to users on these modeling views. That is why it is required to grant _SYS_REPO with SELECT with GRANT privilege to ...	[ { "code": null, "e": 1396, "s": 1062, "text": "In SAP HANA system _SYS_REPO user is required to create run time objects that are saved in HANA database under _SYS_BIC schema. When you activate modeling views in HANA, SYS REPO provides the read access to users on these modeling views. That is why it ...
Overloading in PHP	15 Jun, 2022 What is function overloading? Function overloading is the ability to create multiple functions of the same name with different implementations. Function overloading in PHP? Function overloading in PHP is used to dynamically create properties and methods. These dynamic entities are processed by magic method...	[ { "code": null, "e": 52, "s": 24, "text": "\n15 Jun, 2022" }, { "code": null, "e": 936, "s": 52, "text": "What is function overloading? Function overloading is the ability to create multiple functions of the same name with different implementations. Function overloading in PHP? F...
Use of :even and :odd pseudo-classes with list items in CSS	16 Dec, 2021 The:nth-child() selector in CSS is used to match the elements based on their position in a group of siblings. It matches every element that is the nth-child. The: even and: odd pseudo-class is used with the list of items such as paragraph, article items which is basically a list content. odd: The use of o...	[ { "code": null, "e": 52, "s": 24, "text": "\n16 Dec, 2021" }, { "code": null, "e": 342, "s": 52, "text": "The:nth-child() selector in CSS is used to match the elements based on their position in a group of siblings. It matches every element that is the nth-child. The: even and: o...
Header Linked List in C	29 Jan, 2020 Prerequisite: Linked List, Circular Linked List A header node is a special node that is found at the beginning of the list. A list that contains this type of node, is called the header-linked list. This type of list is useful when information other than that found in each node is needed.For example, suppos...	[ { "code": null, "e": 52, "s": 24, "text": "\n29 Jan, 2020" }, { "code": null, "e": 100, "s": 52, "text": "Prerequisite: Linked List, Circular Linked List" }, { "code": null, "e": 628, "s": 100, "text": "A header node is a special node that is found at the begi...
PyQt5 QListWidget – Setting Selection Mode	06 Aug, 2020 In this article we will see how we can set the selection mode property to the QListWidget. QListWidget is a convenience class that provides a list view with a classic item-based interface for adding and removing items. QListWidget uses an internal model to manage each QListWidgetItem in the list. This prop...	[ { "code": null, "e": 28, "s": 0, "text": "\n06 Aug, 2020" }, { "code": null, "e": 547, "s": 28, "text": "In this article we will see how we can set the selection mode property to the QListWidget. QListWidget is a convenience class that provides a list view with a classic item-bas...
Linked List Pair Sum	04 Apr, 2022 Given a linked list, and a number, check if their exist two numbers whose sum is equal to given number. If there exist two numbers, print them. If there are multiple answer, print any of them.Examples: Input : 1 -> 2 -> 3 -> 4 -> 5 -> NULL sum = 3 Output : Pair is (1, 2) Input : 10 -> 12 -> 31 -...	[ { "code": null, "e": 52, "s": 24, "text": "\n04 Apr, 2022" }, { "code": null, "e": 255, "s": 52, "text": "Given a linked list, and a number, check if their exist two numbers whose sum is equal to given number. If there exist two numbers, print them. If there are multiple answer, ...
Sagemaker – Exploring Ground truth labeling \| ML	03 Jun, 2020 Have you ever thought of doing machine learning completely from the scratch and don’t know where to start? If yes, there is a place where you can enter by holding just the dataset in your hands and leaves the place with fully trained machine learning model which is ready to be deployed in the real-life sce...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 Jun, 2020" }, { "code": null, "e": 545, "s": 28, "text": "Have you ever thought of doing machine learning completely from the scratch and don’t know where to start? If yes, there is a place where you can enter by holding just the dat...
RESTful Routes in Node.js	14 Jul, 2020 Routing: Routing is one of the most significant parts of your website or web application. Routing in Express is basic, adaptable, and robust. Routing is the mechanism by which requests (as specified by a URL and HTTP method) are routed(directed) to the code that handles them. What is RESTful Routing?REST s...	[ { "code": null, "e": 28, "s": 0, "text": "\n14 Jul, 2020" }, { "code": null, "e": 305, "s": 28, "text": "Routing: Routing is one of the most significant parts of your website or web application. Routing in Express is basic, adaptable, and robust. Routing is the mechanism by which...
Recursive function to do substring search	30 Jun, 2022 Given a text txt[] and a pattern pat[], write a recursive function “contains(char pat[], char txt[])” that returns true if pat[] is present in txt[], otherwise false. Examples: 1) Input: txt[] = "THIS IS A TEST TEXT" pat[] = "TEST" Output: true 2) Input: txt[] = "geeksforgeeks" ...	[ { "code": null, "e": 52, "s": 24, "text": "\n30 Jun, 2022" }, { "code": null, "e": 229, "s": 52, "text": "Given a text txt[] and a pattern pat[], write a recursive function “contains(char pat[], char txt[])” that returns true if pat[] is present in txt[], otherwise false. Example...
Find duplicate rows in a Dataframe based on all or selected columns	16 Feb, 2022 In this article, we will be discussing how to find duplicate rows in a Dataframe based on all or a list of columns. For this, we will use Dataframe.duplicated() method of Pandas. Syntax : DataFrame.duplicated(subset = None, keep = ‘first’)Parameters: subset: This Takes a column or list of column label. It...	[ { "code": null, "e": 28, "s": 0, "text": "\n16 Feb, 2022" }, { "code": null, "e": 208, "s": 28, "text": "In this article, we will be discussing how to find duplicate rows in a Dataframe based on all or a list of columns. For this, we will use Dataframe.duplicated() method of Pand...
Method Chaining in JavaScript	31 Mar, 2021 As a good programming practice, we should write individual functions/methods for dealing with individual actions. And, writing only one method/function for all actions is a thing. However, sticking to good practice takes a toll on the readability and comprehensibility of the code, because defining a separa...	[ { "code": null, "e": 52, "s": 24, "text": "\n31 Mar, 2021" }, { "code": null, "e": 597, "s": 52, "text": "As a good programming practice, we should write individual functions/methods for dealing with individual actions. And, writing only one method/function for all actions is a t...
Stored Procedures classification based on Input and Output Parameters in SQL Server	18 Aug, 2021 Stored Procedure: The stored procedure has the following key points as follows. It is a collection of SQL statements such as if you want to write and read data from a database then you can use create a statement for write and select statement for reading the data from database and SQL command logic for the...	[ { "code": null, "e": 28, "s": 0, "text": "\n18 Aug, 2021" }, { "code": null, "e": 46, "s": 28, "text": "Stored Procedure:" }, { "code": null, "e": 108, "s": 46, "text": "The stored procedure has the following key points as follows." }, { "code": null, ...
MongoDB SELECT COUNT GROUP BY?	You can achieve this with the help of an aggregate framework. To understand the concept, let us create a collection with the document. The query to create a collection with a document is as follows − > db.countGroupByDemo.insertOne({"StudentId":10,"StudentName":"John"}); { "acknowledged" : true, "insertedId" : Ob...	[ { "code": null, "e": 1262, "s": 1062, "text": "You can achieve this with the help of an aggregate framework. To understand the concept, let us create a collection with the document. The query to create a collection with a document is as follows −" }, { "code": null, "e": 2364, "s": 1...
Restricting MySQL Connections to Secure Transport	MySQL will make secure connections easier when it has streamlined key generation for both MySQL Community and MySQL Enterprise. This way, the security is improved by expanding support for TLSv1.1 and TLSv1.2. This also helps administrators determine if clients are connecting securely or not with enhanced visibility int...	[ { "code": null, "e": 1402, "s": 1062, "text": "MySQL will make secure connections easier when it has streamlined key generation for both MySQL Community and MySQL Enterprise. This way, the security is improved by expanding support for TLSv1.1 and TLSv1.2. This also helps administrators determine if ...
Minimum operations required to make all the array elements equal in C++	Given an array with n positive integers. We need to find the minimum number of operation to make all elements equal. We can perform addition, multiplication, subtraction or division with any element on an array element. If input array is = {1, 2, 3, 4} then we require minimum 3 operations to make all elements equal. Fo...	[ { "code": null, "e": 1282, "s": 1062, "text": "Given an array with n positive integers. We need to find the minimum number of operation to make all elements equal. We can perform addition, multiplication, subtraction or division with any element on an array element." }, { "code": null, "...
How to Make a DIV 100% of the Window Height using CSS	The CSS height property helps us specify the height of an element. The syntax of CSS height property is as follows − Selector { height: /value/ } The following examples illustrate CSS height property. Live Demo <!DOCTYPE html> <html> <head> <title>Page Title</title> <style> html, body { ...	[ { "code": null, "e": 1129, "s": 1062, "text": "The CSS height property helps us specify the height of an element." }, { "code": null, "e": 1179, "s": 1129, "text": "The syntax of CSS height property is as follows −" }, { "code": null, "e": 1213, "s": 1179, "te...
Hyperparameter Optimization with Scikit-Learn, Scikit-Opt and Keras \| by Luke Newman \| Towards Data Science	Hyperparameter optimization is often one of the final steps in a data science project. Once you have a shortlist of promising models you will want to fine-tune them so that they perform better on your particular dataset. In this post, we will go over three techniques used to find optimal hyperparameters with examples o...	[ { "code": null, "e": 392, "s": 171, "text": "Hyperparameter optimization is often one of the final steps in a data science project. Once you have a shortlist of promising models you will want to fine-tune them so that they perform better on your particular dataset." }, { "code": null, "e...
8085 program to add three 16 bit numbers stored in registers - GeeksforGeeks	22 May, 2018 Problem – Write an assembly language program to add three 16 bit numbers stored in register HL, DE, BC and store the result in DE with minimum number of instructions. Example – Assumptions – Numbers to be added are already stored in register HL, DE, BCNumbers stored in register are such that final result s...	[ { "code": null, "e": 25092, "s": 25064, "text": "\n22 May, 2018" }, { "code": null, "e": 25259, "s": 25092, "text": "Problem – Write an assembly language program to add three 16 bit numbers stored in register HL, DE, BC and store the result in DE with minimum number of instructio...
High-Availability MySQL cluster with load balancing using HAProxy and Heartbeat. \| by Alexey Nizhegolenko \| Towards Data Science	Hello, in this article I wanna share some experience of building a high available MySQL database cluster, from two master MySQL nodes, with load balancing and failover capability based on HAProxy & Heartbeat. On most of modern projects, the database availability is a matter of life and death. Good solution will be crea...	[ { "code": null, "e": 380, "s": 171, "text": "Hello, in this article I wanna share some experience of building a high available MySQL database cluster, from two master MySQL nodes, with load balancing and failover capability based on HAProxy & Heartbeat." }, { "code": null, "e": 715, ...
Simple GUI calculator using Tkinter in Python	In this tutorial, we are going to create a simple GUI calculator using the Tkinter module. Tkinter is builtin the Python module for developing the GUI application. It's easy to use and comes with Python. We can visualize our data with GUI applications. Let's see how to create a simple GUI calculator. Import everything ...	[ { "code": null, "e": 1315, "s": 1062, "text": "In this tutorial, we are going to create a simple GUI calculator using the Tkinter module. Tkinter is builtin the Python module for developing the GUI application. It's easy to use and comes with Python. We can visualize our data with GUI applications."...
SWING - BorderLayout Class	The class BorderLayout arranges the components to fit in the five regions: east, west, north, south, and center. Each region can contain only one component and each component in each region is identified by the corresponding constant NORTH, SOUTH, EAST, WEST, and CENTER. Following is the declaration for java.awt.Border...	[ { "code": null, "e": 2035, "s": 1763, "text": "The class BorderLayout arranges the components to fit in the five regions: east, west, north, south, and center. Each region can contain only one component and each component in each region is identified by the corresponding constant NORTH, SOUTH, EAST,...
The extern storage class in C++	The extern storage class specifier lets you declare objects that several source files can use. An extern declaration makes the described variable usable by the succeeding part of the current source file. This declaration does not replace the definition. The declaration is used to describe the variable that is externall...	[ { "code": null, "e": 1393, "s": 1062, "text": "The extern storage class specifier lets you declare objects that several source files can use. An extern declaration makes the described variable usable by the succeeding part of the current source file. This declaration does not replace the definition....
How to add rows in an R data frame?	To add rows in an R data frame, we can follow the below steps − First of all, create a data frame. First of all, create a data frame. Then, use rbind function and the vectors that will be added as rows to the data frame. Then, use rbind function and the vectors that will be added as rows to the data frame. Let’s create...	[ { "code": null, "e": 1126, "s": 1062, "text": "To add rows in an R data frame, we can follow the below steps −" }, { "code": null, "e": 1161, "s": 1126, "text": "First of all, create a data frame." }, { "code": null, "e": 1196, "s": 1161, "text": "First of all...
How to Calculate Covariance in MATLAB - GeeksforGeeks	31 Aug, 2021 Covariance is the measure of the strength of correlation between two or more random variables. Covariance of two random variables X and Y can be defined as: Where E(X) and E(Y) are expectation or mean of random variables X and Y respectively. The covariance matrix of two random variables A and B is defined...	[ { "code": null, "e": 24515, "s": 24487, "text": "\n31 Aug, 2021" }, { "code": null, "e": 24672, "s": 24515, "text": "Covariance is the measure of the strength of correlation between two or more random variables. Covariance of two random variables X and Y can be defined as:" }, ...