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Floating Action Button using Fab Option Library in Android - GeeksforGeeks	19 Feb, 2021 Floating Action Button using Fab Options is another unique way of displaying various options. With the help of this, we can Navigate to different screens easily. This Floating Action button display various menu with Animation. So it increases user experience. In this article, we are going to learn how to i...	[ { "code": null, "e": 25116, "s": 25088, "text": "\n19 Feb, 2021" }, { "code": null, "e": 25657, "s": 25116, "text": "Floating Action Button using Fab Options is another unique way of displaying various options. With the help of this, we can Navigate to different screens easily. T...
D3.js selection.classed() Function - GeeksforGeeks	06 Sep, 2020 The selection.classed() function is used to set the class to the selected element. This function can also be used to unset the class to a particular element that is selected. Syntax: selection.classed(names[, value]); Parameters: The above-given function takes two parameters which are given above and desc...	[ { "code": null, "e": 24598, "s": 24570, "text": "\n06 Sep, 2020" }, { "code": null, "e": 24773, "s": 24598, "text": "The selection.classed() function is used to set the class to the selected element. This function can also be used to unset the class to a particular element that i...
Building a Question and Answer Chatbot with Amazon Kendra and AWS Fargate \| by Yi Ai \| Towards Data Science	Amazon announced the general availability of Amazon Kendra a few weeks ago, Kendra is a highly accurate and easy to use enterprise search service powered by machine learning. In this post I will build a question and answer chatbot solution using React with Amplify, WebSocket API in AWS API Gateway, AWS Fargate and Amaz...	[ { "code": null, "e": 222, "s": 47, "text": "Amazon announced the general availability of Amazon Kendra a few weeks ago, Kendra is a highly accurate and easy to use enterprise search service powered by machine learning." }, { "code": null, "e": 378, "s": 222, "text": "In this post...
Logical and Cartesian Indexing in Julia	22 Apr, 2020 Julia, like most technical computing languages, provides a first-class array implementation with very important functions that make working with N-Dimensional arrays quite easy. One of the latest features, the dot(.) based broadcasting makes most of the “repetitive” array operations, a one-lined code. Inde...	[ { "code": null, "e": 28, "s": 0, "text": "\n22 Apr, 2020" }, { "code": null, "e": 331, "s": 28, "text": "Julia, like most technical computing languages, provides a first-class array implementation with very important functions that make working with N-Dimensional arrays quite eas...
Python program to find the highest 3 values in a dictionary	25 Aug, 2021 Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold only single value as an element, Dictionary holds key:value pair. Examples: Input : my_dict = {'A': 67, 'B': 23, 'C': 45, 'D': 56, 'E': 12, 'F': ...	[ { "code": null, "e": 52, "s": 24, "text": "\n25 Aug, 2021" }, { "code": null, "e": 260, "s": 52, "text": "Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold only single value as an element,...
C# Program to Get and Print the Command Line Arguments Using Environment Class	01 Nov, 2021 In C#, Environment Class provides information about the current platform and manipulates, the current platform. It is useful for getting and setting various operating system-related information. We can use it in such a way that it retrieves command-line arguments information, exit codes information, enviro...	[ { "code": null, "e": 28, "s": 0, "text": "\n01 Nov, 2021" }, { "code": null, "e": 856, "s": 28, "text": "In C#, Environment Class provides information about the current platform and manipulates, the current platform. It is useful for getting and setting various operating system-r...
Given a matrix of ‘O’ and ‘X’, find the largest subsquare surrounded by ‘X’	24 Jun, 2022 Given a matrix where every element is either ‘O’ or ‘X’, find the largest subsquare surrounded by ‘X’. In the below article, it is assumed that the given matrix is also a square matrix. The code given below can be easily extended for rectangular matrices. Examples: Input: mat[N][N] = { {'X', 'O', 'X', 'X'...	[ { "code": null, "e": 52, "s": 24, "text": "\n24 Jun, 2022" }, { "code": null, "e": 308, "s": 52, "text": "Given a matrix where every element is either ‘O’ or ‘X’, find the largest subsquare surrounded by ‘X’. In the below article, it is assumed that the given matrix is also a squ...
How to create content area scrollable instead of the page using CSS ?	14 Dec, 2020 Making a particular content area scrollable is done by using CSS overflow property. There are different values in overflow property that are listed below. visible: The property indicates that it can be rendered outside the block box and it is not clipped. hidden: This property indicates that the overflow ...	[ { "code": null, "e": 52, "s": 24, "text": "\n14 Dec, 2020" }, { "code": null, "e": 208, "s": 52, "text": "Making a particular content area scrollable is done by using CSS overflow property. There are different values in overflow property that are listed below. " }, { "cod...
VBScript Split Function	A Split Function returns an array that contains a specific number of values split based on a Delimiter. Split(expression[,delimiter[,count[,compare]]]) expression, a Required parameter. The String Expression that can contain strings with delimiters. expression, a Required parameter. The String Expression that can con...	[ { "code": null, "e": 2318, "s": 2214, "text": "A Split Function returns an array that contains a specific number of values split based on a Delimiter." }, { "code": null, "e": 2368, "s": 2318, "text": "Split(expression[,delimiter[,count[,compare]]]) \n" }, { "code": null,...
Java.io.ObjectStreamClass in Java	29 Apr, 2022 This class is serialization’s descriptor for classes. It contains the name and serialVersionUID of the class. The ObjectStreamClass for a specific class loaded in this Java VM can be found/created using the lookup method. It extends class Object and implement serialisable. Fields: static ObjectStreamField[...	[ { "code": null, "e": 54, "s": 26, "text": "\n29 Apr, 2022" }, { "code": null, "e": 460, "s": 54, "text": "This class is serialization’s descriptor for classes. It contains the name and serialVersionUID of the class. The ObjectStreamClass for a specific class loaded in this Java V...
C# \| Difference between Static Constructors and Non-Static Constructors	10 Feb, 2022 Static constructors are used to initialize the static members of the class and are implicitly called before the creation of the first instance of the class. Non-static constructors are used to initialize the non-static members of the class. Below are the differences between the Static Constructors and Non-...	[ { "code": null, "e": 52, "s": 24, "text": "\n10 Feb, 2022" }, { "code": null, "e": 380, "s": 52, "text": "Static constructors are used to initialize the static members of the class and are implicitly called before the creation of the first instance of the class. Non-static constr...
File.ReadAllBytes() Method in C# with Examples	09 Mar, 2021 File.ReadAllBytes(String) is an inbuilt File class method that is used to open a specified or created binary file and then reads the contents of the file into a byte array and then closes the file.Syntax: public static byte[] ReadAllBytes (string path); Parameter: This function accepts a parameter which ...	[ { "code": null, "e": 28, "s": 0, "text": "\n09 Mar, 2021" }, { "code": null, "e": 235, "s": 28, "text": "File.ReadAllBytes(String) is an inbuilt File class method that is used to open a specified or created binary file and then reads the contents of the file into a byte array and...
Count BST nodes that lie in a given range \| Practice \| GeeksforGeeks	Given a Binary Search Tree (BST) and a range l-h(inclusive), count the number of nodes in the BST that lie in the given range. The values smaller than root go to the left side The values greater and equal to the root go to the right side Example 1: Input: 10 / \ 5 50 / / \ 1 40 100 l = ...	[ { "code": null, "e": 366, "s": 238, "text": "Given a Binary Search Tree (BST) and a range l-h(inclusive), count the number of nodes in the BST that lie in the given range. " }, { "code": null, "e": 415, "s": 366, "text": "The values smaller than root go to the left side" }, {...
Neo4j - Unwind Clause	The unwind clause is used to unwind a list into a sequence of rows. Following is a sample Cypher Query which unwinds a list. UNWIND [a, b, c, d] AS x RETURN x To execute the above query, carry out the following steps − Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Ne...	[ { "code": null, "e": 2407, "s": 2339, "text": "The unwind clause is used to unwind a list into a sequence of rows." }, { "code": null, "e": 2464, "s": 2407, "text": "Following is a sample Cypher Query which unwinds a list." }, { "code": null, "e": 2500, "s": 2464,...
Intuitive Understanding of Randomized Singular Value Decomposition \| by Xinyu Chen (陈新宇) \| Towards Data Science	Matrix decomposition is a powerful tool for many machine learning problems and which has been widely used in data compression, dimensionality reduction, and sparsity learning, to name but a few. In many cases, for purposes of approximating a data matrix by a low-rank structure, Singular Value Decomposition (SVD) is oft...	[ { "code": null, "e": 924, "s": 171, "text": "Matrix decomposition is a powerful tool for many machine learning problems and which has been widely used in data compression, dimensionality reduction, and sparsity learning, to name but a few. In many cases, for purposes of approximating a data matrix b...
Difference between HTML and CSS - GeeksforGeeks	28 Jul, 2020 HTMLHTML stands for Hyper Text Markup Language and it is the language which is used to define the structure of a web page. HTML is used along with CSS and Java script to design web pages. HTML is the basic building block of a website. It has different attributes and elements with different properties.Each ...	[ { "code": null, "e": 31761, "s": 31733, "text": "\n28 Jul, 2020" }, { "code": null, "e": 32231, "s": 31761, "text": "HTMLHTML stands for Hyper Text Markup Language and it is the language which is used to define the structure of a web page. HTML is used along with CSS and Java scr...
Graph Theory \| BFS Shortest Path Problem on a Grid \| by Kelvin Jose \| Towards Data Science	Hi all, welcome back to another post of my brand new series on Graph Theory named Graph Theory: Go Hero. I undoubtedly recommend the complete series, if you are planning to get started with or want to have a quick refresher. We’re going to see how we can use Breadth First Search (BFS) to solve a shortest path problem. ...	[ { "code": null, "e": 571, "s": 172, "text": "Hi all, welcome back to another post of my brand new series on Graph Theory named Graph Theory: Go Hero. I undoubtedly recommend the complete series, if you are planning to get started with or want to have a quick refresher. We’re going to see how we can ...
Checking the Given Indexes are Equal or not in C# - GeeksforGeeks	28 Nov, 2019 The Index Structure is introduced in C# 8.0. It represents a type that can be used to index a collection or sequence and it can be started from the start or the end. You are allowed to compare two indexes with each to check whether they are equal or not with the help of the following methods(Equal Method) ...	[ { "code": null, "e": 24302, "s": 24274, "text": "\n28 Nov, 2019" }, { "code": null, "e": 24639, "s": 24302, "text": "The Index Structure is introduced in C# 8.0. It represents a type that can be used to index a collection or sequence and it can be started from the start or the en...
Eigenvalues, eigenvectors and PCA \| Towards Data Science	I have learned about eigenvalues and eigenvectors in University in a linear algebra course. It was very dry and mathematical, so I did not get, what it is all about. But I want to present this topic to you in a more intuitive way and I will use many animations to illustrate it. First, we will look at how applying a mat...	[ { "code": null, "e": 451, "s": 172, "text": "I have learned about eigenvalues and eigenvectors in University in a linear algebra course. It was very dry and mathematical, so I did not get, what it is all about. But I want to present this topic to you in a more intuitive way and I will use many anima...
C# - Anonymous Methods	We discussed that delegates are used to reference any methods that has the same signature as that of the delegate. In other words, you can call a method that can be referenced by a delegate using that delegate object. Anonymous methods provide a technique to pass a code block as a delegate parameter. Anonymous methods ...	[ { "code": null, "e": 2488, "s": 2270, "text": "We discussed that delegates are used to reference any methods that has the same signature as that of the delegate. In other words, you can call a method that can be referenced by a delegate using that delegate object." }, { "code": null, "e"...
How to resolve ‘node’ is not recognized as an internal or external command error after installing Node.js ?	10 Jul, 2020 There are many different ways to install node.js on a computer. The simplest method to verify whether node.js has been properly installed in your computer is simply type node-v in the command prompt or Windows PowerShell. But many times, it happens, most commonly if you’re a beginner, the command prompt pr...	[ { "code": null, "e": 28, "s": 0, "text": "\n10 Jul, 2020" }, { "code": null, "e": 250, "s": 28, "text": "There are many different ways to install node.js on a computer. The simplest method to verify whether node.js has been properly installed in your computer is simply type node-...
mkdir command in Linux with Examples	08 Sep, 2021 mkdir command in Linux allows the user to create directories (also referred to as folders in some operating systems ). This command can create multiple directories at once as well as set the permissions for the directories. It is important to note that the user executing this command must have enough permi...	[ { "code": null, "e": 28, "s": 0, "text": "\n08 Sep, 2021" }, { "code": null, "e": 441, "s": 28, "text": "mkdir command in Linux allows the user to create directories (also referred to as folders in some operating systems ). This command can create multiple directories at once as ...
How to add an element horizontally in Html page using JavaScript?	26 Oct, 2021 There can be some cases where we have the requirement to add elements in a horizontal manner. Like, if your elements are linked list nodes and you want to add them horizontally. Now the question arises how we can do this in better way.One approach can be to use “display” property with the value “inline gri...	[ { "code": null, "e": 28, "s": 0, "text": "\n26 Oct, 2021" }, { "code": null, "e": 596, "s": 28, "text": "There can be some cases where we have the requirement to add elements in a horizontal manner. Like, if your elements are linked list nodes and you want to add them horizontall...
How to read multiple data files into Pandas?	23 Aug, 2021 In this article, we are going to see how to read multiple data files into pandas, data files are of multiple types, here are a few ways to read multiple files by using the pandas package in python. The demonstrative files can be download from here If our data files are in CSV format then the read_csv() met...	[ { "code": null, "e": 28, "s": 0, "text": "\n23 Aug, 2021" }, { "code": null, "e": 226, "s": 28, "text": "In this article, we are going to see how to read multiple data files into pandas, data files are of multiple types, here are a few ways to read multiple files by using the pan...
Split Pandas Dataframe by Column Index	29 Aug, 2020 Pandas support two data structures for storing data the series (single column) and dataframe where values are stored in a 2D table (rows and columns). To index a dataframe using the index we need to make use of dataframe.iloc() method which takes Syntax: pandas.DataFrame.iloc[] Parameters:Index Positio...	[ { "code": null, "e": 52, "s": 24, "text": "\n29 Aug, 2020" }, { "code": null, "e": 303, "s": 52, "text": "Pandas support two data structures for storing data the series (single column) and dataframe where values are stored in a 2D table (rows and columns). To index a dataframe...
C# - Passing Parameters by Value	This is the default mechanism for passing parameters to a method. In this mechanism, when a method is called, a new storage location is created for each value parameter. The values of the actual parameters are copied into them. Hence, the changes made to the parameter inside the method have no effect on the argument. T...	[ { "code": null, "e": 2440, "s": 2270, "text": "This is the default mechanism for passing parameters to a method. In this mechanism, when a method is called, a new storage location is created for each value parameter." }, { "code": null, "e": 2638, "s": 2440, "text": "The values o...
Variable number of arguments in C++	Sometimes, you may come across a situation, when you want to have a function, which can take variable number of arguments, i.e., parameters, instead of predefined number of parameters. The C/C++ programming language provides a solution for this situation and you are allowed to define a function which can accept variabl...	[ { "code": null, "e": 1495, "s": 1062, "text": "Sometimes, you may come across a situation, when you want to have a function, which can take variable number of arguments, i.e., parameters, instead of predefined number of parameters. The C/C++ programming language provides a solution for this situatio...
Looping through the content of a file in Bash	Often it is a requirement to read each of the line from a file using a bash script. There are various approaches to read the lines form a file. In the below example we have first described how to create a sample file and then run a script reading that sample file. # Open vi Editor vi a_file.txt # Input the below lines ...	[ { "code": null, "e": 1327, "s": 1062, "text": "Often it is a requirement to read each of the line from a file using a bash script. There are various approaches to read the lines form a file. In the below example we have first described how to create a sample file and then run a script reading that s...
How to create everyday notifications at certain time in Android?	This example demonstrate about How to create everyday notifications at certain time in Android Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml. <? xml version = "1.0" encoding...	[ { "code": null, "e": 1157, "s": 1062, "text": "This example demonstrate about How to create everyday notifications at certain time in Android" }, { "code": null, "e": 1286, "s": 1157, "text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all ...
How to get the list of local groups using PowerShell?	To get the local groups on the windows system using PowerShell, you can use the Get-LocalGroup (Module: Microsoft.PowerShell.LocalAccounts) command. This command will list down all the groups on the particular system. If we check the properties of this command, it supports Name, Description, ObjectClass (user or group)...	[ { "code": null, "e": 1280, "s": 1062, "text": "To get the local groups on the windows system using PowerShell, you can use the Get-LocalGroup (Module: Microsoft.PowerShell.LocalAccounts) command. This command will list down all the groups on the particular system." }, { "code": null, "e"...
How to remove the outline of an oval in Tkinter?	With Tkinter canvas, we can draw shapes for 2D or 3D applications, we can create images, draw animation, and many more things. Let us suppose that we have to create an oval that should be drawn aesthetically on the canvas. There can be other features that can be present to give the oval and other shapes an aesthetic lo...	[ { "code": null, "e": 1510, "s": 1062, "text": "With Tkinter canvas, we can draw shapes for 2D or 3D applications, we can create images, draw animation, and many more things. Let us suppose that we have to create an oval that should be drawn aesthetically on the canvas. There can be other features th...
Create DataFrame Row by Row in R - GeeksforGeeks	27 Jun, 2021 In this article, we will discuss how to create dataframe row by row in R Programming Language. An empty data frame in R language can be created using the data.frame() method in R. For better clarity, the data types of the columns can be defined during the declaration. Each row of the data frame is a vector...	[ { "code": null, "e": 24618, "s": 24590, "text": "\n27 Jun, 2021" }, { "code": null, "e": 24713, "s": 24618, "text": "In this article, we will discuss how to create dataframe row by row in R Programming Language." }, { "code": null, "e": 25047, "s": 24713, "tex...
Program to calculate value of nCr in C++	Given with n C r, where C represents combination, n represents total numbers and r represents selection from the set, the task is to calculate the value of nCr. Combination is the selection of data from the given in a without the concern of arrangement. Permutation and combination differs in the sense that permutation ...	[ { "code": null, "e": 1223, "s": 1062, "text": "Given with n C r, where C represents combination, n represents total numbers and r represents selection from the set, the task is to calculate the value of nCr." }, { "code": null, "e": 1490, "s": 1223, "text": "Combination is the se...
JSF - h:outputStylesheet	The h:outputStylesheet tag renders an HTML element of the type "link" with type "text/css". This tag is used to add external stylesheet file to JSF page. <h:outputStylesheet library = "css" name = "styles.css" /> <link type = "text/css" rel = "stylesheet" href = "/helloworld/javax.faces.resource/styles.css.jsf?ln...	[ { "code": null, "e": 2106, "s": 1952, "text": "The h:outputStylesheet tag renders an HTML element of the type \"link\" with type \"text/css\". This tag is used to add external stylesheet file to JSF page." }, { "code": null, "e": 2166, "s": 2106, "text": "<h:outputStylesheet libr...
Real-time and video processing object detection using Tensorflow, OpenCV and Docker. \| by Léo Beaucourt \| Towards Data Science	In this article, I will present how I managed to use Tensorflow Object-detection API in a Docker container to perform both real-time (webcam) and video post-processing. I used OpenCV with python3 multiprocessing and multi-threading libraries. I will focus on hurdles I have encountered, and what solutions I have found (...	[ { "code": null, "e": 290, "s": 47, "text": "In this article, I will present how I managed to use Tensorflow Object-detection API in a Docker container to perform both real-time (webcam) and video post-processing. I used OpenCV with python3 multiprocessing and multi-threading libraries." }, { ...
How to find the size of a variable without using sizeof in C#?	To get the size of a variable, sizeof is used. int x; x = sizeof(int); To get the size of a variable, without using the sizeof, try the following code − // without using sizeof byte[] dataBytes = BitConverter.GetBytes(x); int d = dataBytes.Length; Here is the complete code. Live Demo using System; class Demo { publ...	[ { "code": null, "e": 1109, "s": 1062, "text": "To get the size of a variable, sizeof is used." }, { "code": null, "e": 1133, "s": 1109, "text": "int x;\nx = sizeof(int);" }, { "code": null, "e": 1215, "s": 1133, "text": "To get the size of a variable, without ...
Function pointer to member function in C++	In C++ , function pointers when dealing with member functions of classes or structs, it is invoked using an object pointer or a this call. We can only call members of that class (or derivatives) using a pointer of that type as they are type safe. Live Demo #include <iostream> using namespace std; class AB { public:...	[ { "code": null, "e": 1309, "s": 1062, "text": "In C++ , function pointers when dealing with member functions of classes or structs, it is invoked using an object pointer or a this call. We can only call members of that class (or derivatives) using a pointer of that type as they are type safe." }, ...
How to train a Tensorflow face object detection model \| by Dion van Velde \| Towards Data Science	Artificial Intelligence makes it possible to analyse images. In this blogpost I will focus on training a object detector with customized classes. The first thing you will have to do is the setup. In the Tensorflow documentation is written how to setup on your local machine. We are going to train a real-time object reco...	[ { "code": null, "e": 599, "s": 172, "text": "Artificial Intelligence makes it possible to analyse images. In this blogpost I will focus on training a object detector with customized classes. The first thing you will have to do is the setup. In the Tensorflow documentation is written how to setup on ...
How to print date using GregorianCalendar class in Java?	The GregorianCalendar class supports standard calendars it supports Julian and Gregorian calendars you can create an object of GregorianCalendar using one of its constructors. Following are various examples demonstrating how to print date using this class − Following example creates GregorianCalander by passing year, m...	[ { "code": null, "e": 1320, "s": 1062, "text": "The GregorianCalendar class supports standard calendars it supports Julian and Gregorian calendars you can create an object of GregorianCalendar using one of its constructors. Following are various examples demonstrating how to print date using this cla...
Can interfaces have Static methods in Java?	An interface in Java is similar to class but, it contains only abstract methods and fields which are final and static. A static method is declared using the static keyword and it will be loaded into the memory along with the class. You can access static methods using class name without instantiation. Since Java8 you ca...	[ { "code": null, "e": 1181, "s": 1062, "text": "An interface in Java is similar to class but, it contains only abstract methods and fields which are final and static." }, { "code": null, "e": 1364, "s": 1181, "text": "A static method is declared using the static keyword and it wil...