Split (1)

train · 76.6k rows

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.

title stringlengths 3 221	text stringlengths 17 477k	parsed listlengths 0 3.17k
Some useful Linux Hacks	26 Sep, 2017 Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware. For the purposes of this page, we use th...	[ { "code": null, "e": 54, "s": 26, "text": "\n26 Sep, 2017" }, { "code": null, "e": 321, "s": 54, "text": "Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, re...
Main Method in C#	11 Nov, 2021 C# applications have an entry point called Main Method. It is the first method which gets invoked whenever an application started and it is present in every C# executable file. The application may be Console Application or Windows Application. The most common entry point of a C# program is static void Main...	[ { "code": null, "e": 52, "s": 24, "text": "\n11 Nov, 2021" }, { "code": null, "e": 398, "s": 52, "text": "C# applications have an entry point called Main Method. It is the first method which gets invoked whenever an application started and it is present in every C# executable fil...
Van Emde Boas Tree \| Set 1 \| Basics and Construction	12 Aug, 2019 It is highly recommended to fully understand Proto Van Emde Boas Tree. Van Emde Boas Tree supports search, successor, predecessor, insert and delete operations in O(lglgN) time which is faster than any of related data structures like priority queue, binary search tree, etc. Van Emde Boas Tree works with O(...	[ { "code": null, "e": 52, "s": 24, "text": "\n12 Aug, 2019" }, { "code": null, "e": 123, "s": 52, "text": "It is highly recommended to fully understand Proto Van Emde Boas Tree." }, { "code": null, "e": 493, "s": 123, "text": "Van Emde Boas Tree supports search...
Calculator Using RMI(Remote Method Invocation) in Java	10 Sep, 2021 RMI (Remote Method Invocation) is an API used to access objects running on another JVM(Server-side). It is mainly used for the creation of distributed systems and is provided in Java Rome. Stub and Skeleton are the two objects used for handling communication between client and server. The following figure ...	[ { "code": null, "e": 52, "s": 24, "text": "\n10 Sep, 2021" }, { "code": null, "e": 385, "s": 52, "text": "RMI (Remote Method Invocation) is an API used to access objects running on another JVM(Server-side). It is mainly used for the creation of distributed systems and is provided...
Working with Array and Vectors using STL in C++	19 Mar, 2019 Using STL library it is very easy to perform certain basic operations on array like Sorting, searching, sum of elements, finding minimum and maximum element of the array. Sorting Sorting can be done with the help of sort() function. sort(starting_index, last_index) – To sort the given array/vector. The sor...	[ { "code": null, "e": 53, "s": 25, "text": "\n19 Mar, 2019" }, { "code": null, "e": 224, "s": 53, "text": "Using STL library it is very easy to perform certain basic operations on array like Sorting, searching, sum of elements, finding minimum and maximum element of the array." ...
TypeScript \| String valueOf() Method	17 Feb, 2021 The valueOf() is an inbuilt function in TypeScript that is used to return the primitive value of a String object. Syntax: string.valueOf( ) Parameter: This method does not accept any parameter. Return Value: This method returns the primitive value of a String object. Below examples illustrate the String ...	[ { "code": null, "e": 28, "s": 0, "text": "\n17 Feb, 2021" }, { "code": null, "e": 142, "s": 28, "text": "The valueOf() is an inbuilt function in TypeScript that is used to return the primitive value of a String object." }, { "code": null, "e": 151, "s": 142, "...
Draw Spiraling Triangle using Turtle in Python - GeeksforGeeks	20 Aug, 2020 Prerequisite: Python Turtle Basic Turtle is an inbuilt module of python. It enables us to draw any drawing by a turtle, methods defined in the turtle module, and by using some logical loops. To draw something on the screen(cardboard) just move the turtle(pen). To move turtle(pen) there are some functions i...	[ { "code": null, "e": 23901, "s": 23873, "text": "\n20 Aug, 2020" }, { "code": null, "e": 23935, "s": 23901, "text": "Prerequisite: Python Turtle Basic" }, { "code": null, "e": 24239, "s": 23935, "text": "Turtle is an inbuilt module of python. It enables us to ...
How to generate a sorted list in Python?	The sort method on lists in python uses the given class's gt and lt operators to compare. Most built in classes already has these operators implemented so it automatically gives you sorted list. You can use it as follows: words = ["Hello", "World", "Foo", "Bar", "Nope"] numbers = [100, 12, 52, 354, 25] words.sort() num...	[ { "code": null, "e": 1284, "s": 1062, "text": "The sort method on lists in python uses the given class's gt and lt operators to compare. Most built in classes already has these operators implemented so it automatically gives you sorted list. You can use it as follows:" }, { "code": null, ...
Integer to English Words in Python Programming	Suppose we have a number. The number can be anything in between 0 to 231 – 1. We have to convert the number into words. So if the number is like 512, then the result will be Five hundred twelve. To solve this, we will follow these steps − Define some lists like less_than_20, this will hold all words from one to ninetee...	[ { "code": null, "e": 1257, "s": 1062, "text": "Suppose we have a number. The number can be anything in between 0 to 231 – 1. We have to convert the number into words. So if the number is like 512, then the result will be Five hundred twelve." }, { "code": null, "e": 1301, "s": 1257, ...
Barcode Scanning in Android using Kotlin?	This example demonstrates how to implement bar code scanning in Kotlin. 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="utf-8"?> <RelativeLayout ...	[ { "code": null, "e": 1134, "s": 1062, "text": "This example demonstrates how to implement bar code scanning in Kotlin." }, { "code": null, "e": 1262, "s": 1134, "text": "Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to crea...
Computer Programming - Characters	If it was easy to work with numbers in computer programming, it would be even easier to work with characters. Characters are simple alphabets like a, b, c, d...., A, B, C, D,....., but with an exception. In computer programming, any single digit number like 0, 1, 2,....and special characters like $, %, +, -.... etc., a...	[ { "code": null, "e": 2697, "s": 2140, "text": "If it was easy to work with numbers in computer programming, it would be even easier to work with characters. Characters are simple alphabets like a, b, c, d...., A, B, C, D,....., but with an exception. In computer programming, any single digit number ...
numpy.zeros() in Python - GeeksforGeeks	28 Mar, 2022 The numpy.zeros() function returns a new array of given shape and type, with zeros. Syntax: numpy.zeros(shape, dtype = None, order = 'C') Parameters : shape : integer or sequence of integers order : C_contiguous or F_contiguous C-contiguous order in memory(last index varies the fastest) ...	[ { "code": null, "e": 23677, "s": 23649, "text": "\n28 Mar, 2022" }, { "code": null, "e": 23769, "s": 23677, "text": "The numpy.zeros() function returns a new array of given shape and type, with zeros. Syntax:" }, { "code": null, "e": 23815, "s": 23769, "text":...
Linux Admin - wc Command	wc is useful for counting occurrences in a file. It helps print newline, word, ad byte count from each file. Most useful is when combined with grep to show matches for a certain pattern. We can see our system has 5 users with a group id of 0. Then upon further inspection only the root user has shell access. [root@cento...	[ { "code": null, "e": 2444, "s": 2257, "text": "wc is useful for counting occurrences in a file. It helps print newline, word, ad byte count from each file. Most useful is when combined with grep to show matches for a certain pattern." }, { "code": null, "e": 2566, "s": 2444, "tex...
Runtime Polymorphism in Java	Method overriding is an example of runtime polymorphism. In method overriding, a subclass overrides a method with the same signature as that of in its superclass. During compile time, the check is made on the reference type. However, in the runtime, JVM figures out the object type and would run the method that belongs ...	[ { "code": null, "e": 1409, "s": 1062, "text": "Method overriding is an example of runtime polymorphism. In method overriding, a subclass overrides a method with the same signature as that of in its superclass. During compile time, the check is made on the reference type. However, in the runtime, JVM...
Transfer Learning in NLP for Tweet Stance Classification \| by Prashanth Rao \| Towards Data Science	2018 has been a hugely exciting year in the field of Natural Language Processing (NLP), in particular, for transfer learning — a technique where instead of training a model from scratch, we use models pre-trained on a large dataset and then fine-tune them for specific natural language tasks. Sebastian Ruder provides an...	[ { "code": null, "e": 695, "s": 172, "text": "2018 has been a hugely exciting year in the field of Natural Language Processing (NLP), in particular, for transfer learning — a technique where instead of training a model from scratch, we use models pre-trained on a large dataset and then fine-tune them...
string.punctuation in Python	In this tutorial, we are going to learn about the string.punctuation string. The string punctuation is pre-defined in the string module of Python3. It contains all the characters as a string. We can use it anywhere in the program. Live Demo # importing the string module import string # printing the punctuation print(...	[ { "code": null, "e": 1139, "s": 1062, "text": "In this tutorial, we are going to learn about the string.punctuation string." }, { "code": null, "e": 1294, "s": 1139, "text": "The string punctuation is pre-defined in the string module of Python3. It contains all the\ncharacters a...
Abstract class in Java	A class which contains the abstract keyword in its declaration is known as abstract class. Abstract classes may or may not contain abstract methods, i.e., methods without body ( public void get(); ) But, if a class has at least one abstract method, then the class must be declared abstract. If a class is declared abstra...	[ { "code": null, "e": 1153, "s": 1062, "text": "A class which contains the abstract keyword in its declaration is known as abstract class." }, { "code": null, "e": 1261, "s": 1153, "text": "Abstract classes may or may not contain abstract methods, i.e., methods without body ( publ...
Python - Merge Pandas DataFrame with Left Outer Join	To merge Pandas DataFrame, use the merge() function. The left outer join is implemented on both the DataFrames by setting under the “how” parameter of the merge() function i.e. − how = “left” At first, let us import the pandas library with an alias − import pandas as pd Let’s create two DataFrames to be merged − # Cre...	[ { "code": null, "e": 1241, "s": 1062, "text": "To merge Pandas DataFrame, use the merge() function. The left outer join is implemented on both the DataFrames by setting under the “how” parameter of the merge() function i.e. −" }, { "code": null, "e": 1254, "s": 1241, "text": "how...
Thread Class in C# - GeeksforGeeks	01 Feb, 2019 In C#, a multi-threading system is built upon the Thread class, which encapsulates the execution of threads. This class contains several methods and properties which helps in managing and creating threads and this class is defined under System.Threading namespace. Characteristics of Thread class: Thread cl...	[ { "code": null, "e": 24359, "s": 24331, "text": "\n01 Feb, 2019" }, { "code": null, "e": 24624, "s": 24359, "text": "In C#, a multi-threading system is built upon the Thread class, which encapsulates the execution of threads. This class contains several methods and properties whi...
Don’t Sleep: Building your first Drowsiness Detection System \| by Vincent Tatan \| Towards Data Science	It was a very important day, the test and project deadline were due next week but you hadn’t prepared much because of the new Halo release. Out of anxiety, you rushed to library and opened your laptop. However, as you lost your sleep leveling up your character, your mind quickly took you to dreamland. Coffee did no ava...	[ { "code": null, "e": 601, "s": 171, "text": "It was a very important day, the test and project deadline were due next week but you hadn’t prepared much because of the new Halo release. Out of anxiety, you rushed to library and opened your laptop. However, as you lost your sleep leveling up your char...
Design Patterns - Strategy Pattern	In Strategy pattern, a class behavior or its algorithm can be changed at run time. This type of design pattern comes under behavior pattern. In Strategy pattern, we create objects which represent various strategies and a context object whose behavior varies as per its strategy object. The strategy object changes the ex...	[ { "code": null, "e": 2892, "s": 2751, "text": "In Strategy pattern, a class behavior or its algorithm can be changed at run time. This type of design pattern comes under behavior pattern." }, { "code": null, "e": 3112, "s": 2892, "text": "In Strategy pattern, we create objects wh...
What does the volatile keyword mean in C++?	volatile means two things − - The value of the variable may change without any code of yours changing it. Therefore whenever the compiler reads the value of the variable, it may not assume that it is the same as the last time it was read, or that it is the same as the last value stored, but it must be read again.- The ...	[ { "code": null, "e": 1090, "s": 1062, "text": "volatile means two things −" }, { "code": null, "e": 1674, "s": 1090, "text": "- The value of the variable may change without any code of yours changing it. Therefore whenever the compiler reads the value of the variable, it may not ...
C++ iomanip Library - setiosflags Function	The C++ function std::setiosflags behaves as if member setf were called with mask as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams). It is used to sets the format flags specified by parameter mask. Following is the declaration ...	[ { "code": null, "e": 2829, "s": 2603, "text": "The C++ function std::setiosflags behaves as if member setf were called with mask as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams)." }, { "code": null,...
C++ iomanip Library - setprecision Function	The C++ function std::setprecision behaves as if member precision were called with n as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams). It is used to sets the decimal precision to be used to format floating-point values on out...	[ { "code": null, "e": 2833, "s": 2603, "text": "The C++ function std::setprecision behaves as if member precision were called with n as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams)." }, { "code": n...
How to run a PySpark job in Kubernetes (AWS EKS) \| by Bogdan Cojocar \| Towards Data Science	In this tutorial, we will focus on deploying a Spark application on AWS EKS end to end. We will do the following steps: deploy an EKS cluster inside a custom VPC in AWS install the Spark Operator run a simple PySpark application TL;DR: Github code repo To deploy Kubernetes on AWS we will need at a minimum to deploy : V...	[ { "code": null, "e": 292, "s": 172, "text": "In this tutorial, we will focus on deploying a Spark application on AWS EKS end to end. We will do the following steps:" }, { "code": null, "e": 341, "s": 292, "text": "deploy an EKS cluster inside a custom VPC in AWS" }, { "co...
HTML - Quick Guide	HTML stands for Hypertext Markup Language, and it is the most widely used language to write Web Pages. Hypertext refers to the way in which Web pages (HTML documents) are linked together. Thus, the link available on a webpage is called Hypertext. Hypertext refers to the way in which Web pages (HTML documents) are linke...	[ { "code": null, "e": 2477, "s": 2374, "text": "HTML stands for Hypertext Markup Language, and it is the most widely used language to write Web Pages." }, { "code": null, "e": 2621, "s": 2477, "text": "Hypertext refers to the way in which Web pages (HTML documents) are linked toge...
Queue.Dequeue Method in C#	The Queue.Dequeue() method in C# is used to remove and return the object at the beginning of the Queue. The syntax is as follows − public virtual object Dequeue (); Let us now see an example − Live Demo using System; using System.Collections.Generic; public class Demo { public static void Main() { Queue<strin...	[ { "code": null, "e": 1166, "s": 1062, "text": "The Queue.Dequeue() method in C# is used to remove and return the object at the beginning of the Queue." }, { "code": null, "e": 1193, "s": 1166, "text": "The syntax is as follows −" }, { "code": null, "e": 1227, "s":...
List methods of a class using Java Reflection	The methods of a class can be listed using the java.lang.Class.getDeclaredMethods() method. This method returns an array that contains all the Method objects with public, private, protected and default access. However, the inherited methods are not included. Also, the getDeclaredMethods() method returns a zero length a...	[ { "code": null, "e": 1321, "s": 1062, "text": "The methods of a class can be listed using the java.lang.Class.getDeclaredMethods() method. This method returns an array that contains all the Method objects with public, private, protected and default access. However, the inherited methods are not incl...
reference_wrapper in C++	03 Dec, 2019 std::reference_wrapper is a class template that wraps a reference in a copy constructible and copy assignable object or reference to function of type T.Instances of std::reference_wrapper are objects (they can be copied or stored in containers) but they are implicitly convertible to ‘T&’ so that they can b...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 Dec, 2019" }, { "code": null, "e": 418, "s": 28, "text": "std::reference_wrapper is a class template that wraps a reference in a copy constructible and copy assignable object or reference to function of type T.Instances of std::refer...
How to integrate Mysql database with Django?	16 Mar, 2021 Django is a Python-based web framework that allows you to quickly create efficient web applications. It is also called batteries included framework because Django provides built-in features for everything including Django Admin Interface, default database – SQLlite3, etc. How to integrate Mysql database w...	[ { "code": null, "e": 28, "s": 0, "text": "\n16 Mar, 2021" }, { "code": null, "e": 302, "s": 28, "text": "Django is a Python-based web framework that allows you to quickly create efficient web applications. It is also called batteries included framework because Django provides bui...
Pipelines – Python and scikit-learn	13 Jul, 2021 The workflow of any machine learning project includes all the steps required to build it. A proper ML project consists of basically four main parts are given as follows: Gathering data: The process of gathering data depends on the project it can be real-time data or the data collected from various source...	[ { "code": null, "e": 28, "s": 0, "text": "\n13 Jul, 2021" }, { "code": null, "e": 200, "s": 28, "text": "The workflow of any machine learning project includes all the steps required to build it. A proper ML project consists of basically four main parts are given as follows: " ...
Add One in Python	Suppose we have a list of integers called n, this is representing a decimal number and n[i] is between [0, 9]. So, if the n is [2, 4, 9] represents the number 249. We have to find the same list in the same representation except modified so that 1 is added to the number. So, if the input is like n = [9,9], then the outp...	[ { "code": null, "e": 1458, "s": 1187, "text": "Suppose we have a list of integers called n, this is representing a decimal number and n[i] is between [0, 9]. So, if the n is [2, 4, 9] represents the number 249. We have to find the same list in the same representation except modified so that 1 is add...
String Template Class in Python	20 Jan, 2022 In the String module, Template Class allows us to create simplified syntax for output specification. The format uses placeholder names formed by $ with valid Python identifiers (alphanumeric characters and underscores). Surrounding the placeholder with braces allows it to be followed by more alphanumeric l...	[ { "code": null, "e": 54, "s": 26, "text": "\n20 Jan, 2022" }, { "code": null, "e": 436, "s": 54, "text": "In the String module, Template Class allows us to create simplified syntax for output specification. The format uses placeholder names formed by $ with valid Python identifie...
Quine in Python	23 Apr, 2020 Quine is a program which takes no input but outputs a copy of its own code. We have discussed quine in C. The shortest possible quine in python is just a single line of code! _='_=%r;print _%%_';print _%_ In case of Python3.x _='_=%r;print (_%%_)';print (_%_) Explanation:The above code is a classic use of ...	[ { "code": null, "e": 54, "s": 26, "text": "\n23 Apr, 2020" }, { "code": null, "e": 160, "s": 54, "text": "Quine is a program which takes no input but outputs a copy of its own code. We have discussed quine in C." }, { "code": null, "e": 229, "s": 160, "text": ...
Bank account system in C using File handling	04 Mar, 2022 This article focuses on how to create a bank account system using C language and File handling in C. Approach:Let’s discuss the approach in detail, covering all the functions and their explanation in detail- Create a Menu in the main function and create different functions for the Menu, which will be calle...	[ { "code": null, "e": 54, "s": 26, "text": "\n04 Mar, 2022" }, { "code": null, "e": 155, "s": 54, "text": "This article focuses on how to create a bank account system using C language and File handling in C." }, { "code": null, "e": 262, "s": 155, "text": "Appr...
Create a GUI to search bank information with IFSC Code using Python	13 Dec, 2021 Prerequisite: Python GUI – tkinter The following program depicts how a GUI application can be formulated using python script to get bank details by using IFSC code. Here, we are using Razorpay IFSC Toolkit to fetch IFSC code. Razorpay IFSC Toolkit processes IFSC codes via their toolkit and return data set....	[ { "code": null, "e": 28, "s": 0, "text": "\n13 Dec, 2021" }, { "code": null, "e": 63, "s": 28, "text": "Prerequisite: Python GUI – tkinter" }, { "code": null, "e": 337, "s": 63, "text": "The following program depicts how a GUI application can be formulated usi...
Check if a table is empty or not in MySQL using EXISTS	The following is the syntax to check whether a table is empty or not using MySQL EXISTS − SELECT EXISTS(SELECT 1 FROM yourTableName); First, let us create a table. The query to create a table is as follows − mysql> create table ReturnDemo -> ( -> Id int, -> Name varchar(10) -> ); Query OK, 0 rows affected (...	[ { "code": null, "e": 1277, "s": 1187, "text": "The following is the syntax to check whether a table is empty or not using MySQL EXISTS −" }, { "code": null, "e": 1321, "s": 1277, "text": "SELECT EXISTS(SELECT 1 FROM yourTableName);" }, { "code": null, "e": 1395, "...
How to link back out of a folder using the a-href tag?	10 Sep, 2020 Introduction: Whenever we make a project it is generally distributed among various folders. That is generally done to improve the connectivity and readability for the various web developers working on the same project. For example: The above classification is just an example but the classification can be b...	[ { "code": null, "e": 53, "s": 25, "text": "\n10 Sep, 2020" }, { "code": null, "e": 67, "s": 53, "text": "Introduction:" }, { "code": null, "e": 285, "s": 67, "text": "Whenever we make a project it is generally distributed among various folders. That is general...
Python – Count Strings with substring String List	05 Jul, 2022 The classical problem that can be handled quite easily by python and has been also dealt with many times is finding if a string is substring of other. But sometimes, one wishes to extend this on list of strings and find how many strings satisfy condition, and hence then requires to traverse the entire cont...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Jul, 2022" }, { "code": null, "e": 425, "s": 28, "text": "The classical problem that can be handled quite easily by python and has been also dealt with many times is finding if a string is substring of other. But sometimes, one wishe...
Find a triplet that sum to a given value	01 Jul, 2022 Given an array and a value, find if there is a triplet in array whose sum is equal to the given value. If there is such a triplet present in array, then print the triplet and return true. Else return false. Examples: Input: array = {12, 3, 4, 1, 6, 9}, sum = 24; Output: 12, 3, 9 Explanation: There is a t...	[ { "code": null, "e": 54, "s": 26, "text": "\n01 Jul, 2022" }, { "code": null, "e": 261, "s": 54, "text": "Given an array and a value, find if there is a triplet in array whose sum is equal to the given value. If there is such a triplet present in array, then print the triplet and...