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
Console.Read() Method in C#	28 Feb, 2019 Console.Read() Method is used to read the next character from the standard input stream. This method basically blocks its return when the user types some input characters. As soon as the user press ENTER key it terminates. Syntax: public static int Read (); Return Value: It returns the next character from ...	[ { "code": null, "e": 28, "s": 0, "text": "\n28 Feb, 2019" }, { "code": null, "e": 251, "s": 28, "text": "Console.Read() Method is used to read the next character from the standard input stream. This method basically blocks its return when the user types some input characters. As ...
Internal Working of TreeMap in Java	05 Jul, 2021 TreeMap class is like HashMap. TreeMap stores key-value pairs. The main difference is that TreeMap sorts the key in ascending order. TreeMap is sorted as the ordering of its keys, or by a Comparator provided at map creation time, depending on which constructor is used. Pre-requisite: Let’s go through pre-r...	[ { "code": null, "e": 52, "s": 24, "text": "\n05 Jul, 2021" }, { "code": null, "e": 322, "s": 52, "text": "TreeMap class is like HashMap. TreeMap stores key-value pairs. The main difference is that TreeMap sorts the key in ascending order. TreeMap is sorted as the ordering of its ...
How to Use PRDownloader Library in Android App?	22 Feb, 2022 PRDownloader library is a file downloader library for android. It comes with pause and resumes support while downloading a file. This library is capable of downloading large files from the internet and can download any type of file like image, video, pdf, apk and etc. It provides many features that can hel...	[ { "code": null, "e": 52, "s": 24, "text": "\n22 Feb, 2022" }, { "code": null, "e": 802, "s": 52, "text": "PRDownloader library is a file downloader library for android. It comes with pause and resumes support while downloading a file. This library is capable of downloading large ...
Inheritance in Java	25 May, 2022 Inheritance is an important pillar of OOP(Object-Oriented Programming). It is the mechanism in java by which one class is allowed to inherit the features(fields and methods) of another class. Important terminology: Super Class: The class whose features are inherited is known as superclass(or a base class...	[ { "code": null, "e": 52, "s": 24, "text": "\n25 May, 2022" }, { "code": null, "e": 245, "s": 52, "text": "Inheritance is an important pillar of OOP(Object-Oriented Programming). It is the mechanism in java by which one class is allowed to inherit the features(fields and methods) ...
Delete nodes which have a greater value on right side	14 Jan, 2022 Given a singly linked list, remove all the nodes which have a greater value on the right side. Examples: a) The list 12->15->10->11->5->6->2->3->NULL should be changed to 15->11->6->3->NULL. Note that 12, 10, 5 and 2 have been deleted because there is a greater value on the right side. When we examine 12,...	[ { "code": null, "e": 54, "s": 26, "text": "\n14 Jan, 2022" }, { "code": null, "e": 150, "s": 54, "text": "Given a singly linked list, remove all the nodes which have a greater value on the right side. " }, { "code": null, "e": 840, "s": 150, "text": "Examples:...
Ways to choose three points with distance between the most distant points <= L	06 May, 2021 Given a set of n distinct points x1, x2, x3... xn all lying on the X-axis and an integer L, the task is to find the number of ways of selecting three points such that the distance between the most distant points is less than or equal to LNote: Order is not important i.e the points {3, 2, 1} and {1, 2, 3} r...	[ { "code": null, "e": 52, "s": 24, "text": "\n06 May, 2021" }, { "code": null, "e": 397, "s": 52, "text": "Given a set of n distinct points x1, x2, x3... xn all lying on the X-axis and an integer L, the task is to find the number of ways of selecting three points such that the dis...
Machine Learning - Jupyter Notebook	Jupyter notebooks basically provides an interactive computational environment for developing Python based Data Science applications. They are formerly known as ipython notebooks. The following are some of the features of Jupyter notebooks that makes it one of the best components of Python ML ecosystem − Jupyter noteboo...	[ { "code": null, "e": 2609, "s": 2304, "text": "Jupyter notebooks basically provides an interactive computational environment for developing Python based Data Science applications. They are formerly known as ipython notebooks. The following are some of the features of Jupyter notebooks that makes it ...
AWS IAM Introduction. An overview of AWS identity and access... \| by Evan Kozliner \| Towards Data Science	The first thing to both shock (and frustrate) many people moving into cloud-based environments is how complicated permissions can be. Typically, after years of becoming acclimated to being the God — sudo— of whatever code you have been writing prior, you are introduced to an environment where nearly everything is locke...	[ { "code": null, "e": 511, "s": 172, "text": "The first thing to both shock (and frustrate) many people moving into cloud-based environments is how complicated permissions can be. Typically, after years of becoming acclimated to being the God — sudo— of whatever code you have been writing prior, you ...
Geospatial Operations at Scale with Dask and Geopandas \| by Ravi Shekhar \| Towards Data Science	In this post, I will give a motivating example of a spatial join, and then describe how to perform spatial joins at scale with GeoPandas and Dask. Note: To condense and simplify this post for Medium, I removed interactive graphics and most code. You can view the original Jupyter notebook on nbviewer. One problem I came...	[ { "code": null, "e": 318, "s": 171, "text": "In this post, I will give a motivating example of a spatial join, and then describe how to perform spatial joins at scale with GeoPandas and Dask." }, { "code": null, "e": 473, "s": 318, "text": "Note: To condense and simplify this pos...
Java JColorChooser Example - 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 In this example, I am going to show you how t...	[ { "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, ...
Median of BST \| Practice \| GeeksforGeeks	Given a Binary Search Tree of size N, find the Median of its Node values. Example 1: Input: 6 / \ 3 8 / \ / \ 1 4 7 9 Output: 6 Explanation: Inorder of Given BST will be: 1, 3, 4, 6, 7, 8, 9. So, here median will 6. Example 2: Input: 6 / \ 3 8 / \ /...	[ { "code": null, "e": 312, "s": 238, "text": "Given a Binary Search Tree of size N, find the Median of its Node values." }, { "code": null, "e": 323, "s": 312, "text": "Example 1:" }, { "code": null, "e": 493, "s": 323, "text": "Input:\n 6\n / \\\n ...
How to convert JSON Array to normal Java Array?	The get method of the JSONArray class returns the element at a particular index. Using this method, you can get the elements of the JSONArray object and populate the array with them. import java.util.Arrays; import org.json.JSONArray; public class JsonToArray { public static void main(String args[]) throws Exceptio...	[ { "code": null, "e": 1245, "s": 1062, "text": "The get method of the JSONArray class returns the element at a particular index. Using this method, you can get the elements of the JSONArray object and populate the array with them." }, { "code": null, "e": 1849, "s": 1245, "text": ...
C - Pointers	Pointers in C are easy and fun to learn. Some C programming tasks are performed more easily with pointers, and other tasks, such as dynamic memory allocation, cannot be performed without using pointers. So it becomes necessary to learn pointers to become a perfect C programmer. Let's start learning them in simple and e...	[ { "code": null, "e": 2415, "s": 2084, "text": "Pointers in C are easy and fun to learn. Some C programming tasks are performed more easily with pointers, and other tasks, such as dynamic memory allocation, cannot be performed without using pointers. So it becomes necessary to learn pointers to becom...
How to find the sum of squared values of an R data frame column?	To find the sum of squared values of an R data frame column, we can simply square the column with ^ sign and take the sum using sum function. For example, if we have a data frame called df that contains a column say V then the sum of squared values of V can be found by using the command sum(df$V^2). Consider the below ...	[ { "code": null, "e": 1363, "s": 1062, "text": "To find the sum of squared values of an R data frame column, we can simply square the column with ^ sign and take the sum using sum function. For example, if we have a data frame called df that contains a column say V then the sum of squared values of V...
SymPy - Function class	Sympy package has Function class, which is defined in sympy.core.function module. It is a base class for all applied mathematical functions, as also a constructor for undefined function classes. Following categories of functions are inherited from Function class − Functions for complex number Trigonometric functions Fu...	[ { "code": null, "e": 2214, "s": 2019, "text": "Sympy package has Function class, which is defined in sympy.core.function module. It is a base class for all applied mathematical functions, as also a constructor for undefined function classes." }, { "code": null, "e": 2284, "s": 2214, ...
How to Optimize a Deep Learning Model \| by Zachary Warnes \| Towards Data Science	Hyperparameter optimization is a critical part of any machine learning pipeline. Just selecting a model is not enough to achieve exceptional performance. You also need to tune your model to better perform on the problem. This post will discuss hyperparameter tuning for deep learning architectures. There are code chunks...	[ { "code": null, "e": 393, "s": 172, "text": "Hyperparameter optimization is a critical part of any machine learning pipeline. Just selecting a model is not enough to achieve exceptional performance. You also need to tune your model to better perform on the problem." }, { "code": null, "e...
Max Odd Sum \| Practice \| GeeksforGeeks	Given an array of integers, check whether there is a subsequence with odd sum and if yes, then finding the maximum odd sum. If no subsequence contains odd sum, print -1. Example 1: Input: N=4 arr[] = {4, -3, 3, -5} Output: 7 Explanation: The subsequence with maximum odd sum is 4 + 3 = 7 Example 2: Input: N=5 arr[] = ...	[ { "code": null, "e": 408, "s": 238, "text": "Given an array of integers, check whether there is a subsequence with odd sum and if yes, then finding the maximum odd sum. If no subsequence contains odd sum, print -1." }, { "code": null, "e": 420, "s": 408, "text": "\nExample 1:" ...
break command in Linux with examples - GeeksforGeeks	15 May, 2019 break command is used to terminate the execution of for loop, while loop and until loop. It can also take one parameter i.e.[N]. Here n is the number of nested loops to break. The default number is 1. Syntax: break [n] Example 1: Using break statement in for loop Example 2: Using break statement in while ...	[ { "code": null, "e": 24039, "s": 24011, "text": "\n15 May, 2019" }, { "code": null, "e": 24240, "s": 24039, "text": "break command is used to terminate the execution of for loop, while loop and until loop. It can also take one parameter i.e.[N]. Here n is the number of nested loo...
Higher-Order Functions with Spark 3.1 \| by David Vrba \| Towards Data Science	Complex data structures, such as arrays, structs, and maps are very common in big data processing, especially in Spark. The situation occurs each time we want to represent in one column more than a single value on each row, this can be a list of values in the case of array data type or a list of key-value pairs in the ...	[ { "code": null, "e": 509, "s": 172, "text": "Complex data structures, such as arrays, structs, and maps are very common in big data processing, especially in Spark. The situation occurs each time we want to represent in one column more than a single value on each row, this can be a list of values in...
Count of subarrays for each Array element in which arr[i] is first and least - GeeksforGeeks	04 Apr, 2022 Given an array arr[], the task is to find the count of subarrays starting from the current element that has a minimum element as the current element itself. Examples: Input: arr[] = {2, 4, 2, 1, 3} Output: {3, 1, 1, 2, 1}Explanation: For the first element we can form 3 valid subarrays with the given condi...	[ { "code": null, "e": 25937, "s": 25909, "text": "\n04 Apr, 2022" }, { "code": null, "e": 26094, "s": 25937, "text": "Given an array arr[], the task is to find the count of subarrays starting from the current element that has a minimum element as the current element itself." }, ...
How to create new Mongodb database using Node.js ? - GeeksforGeeks	20 Nov, 2020 mongodb module: This Module is used to performing CRUD(Create Read Update Read) Operations in MongoDb using Node.js. We cannot make a database only. We have to make a new Collection to see the database. The connect() method is used for connecting the MongoDb server with the Node.js project. Please refer th...	[ { "code": null, "e": 24534, "s": 24506, "text": "\n20 Nov, 2020" }, { "code": null, "e": 24826, "s": 24534, "text": "mongodb module: This Module is used to performing CRUD(Create Read Update Read) Operations in MongoDb using Node.js. We cannot make a database only. We have to mak...
Cleaning Financial Time Series data with Python \| by Ronald Wahome \| Towards Data Science	A hypothetical company, ABC Financial Services Corp makes financial investments decisions on behalf of it’s clients based on the company’s economic research. A lot of these decisions involve speculating on future prices of financial instruments. ABC Corp utilizes several economic indicators but there is one in particul...	[ { "code": null, "e": 612, "s": 172, "text": "A hypothetical company, ABC Financial Services Corp makes financial investments decisions on behalf of it’s clients based on the company’s economic research. A lot of these decisions involve speculating on future prices of financial instruments. ABC Corp ...
Python os.read() Method	Python method read() reads at most n bytes from file desciptor fd, return a string containing the bytes read. If the end of file referred to by fd has been reached, an empty string is returned. Following is the syntax for read() method − os.read(fd,n) fd − This is the file descriptor of the file. fd − This is the file...	[ { "code": null, "e": 2438, "s": 2244, "text": "Python method read() reads at most n bytes from file desciptor fd, return a string containing the bytes read. If the end of file referred to by fd has been reached, an empty string is returned." }, { "code": null, "e": 2482, "s": 2438, ...
JavaFX - UI Controls	Every user interface considers the following three main aspects − UI elements − These are the core visual elements which the user eventually sees and interacts with. JavaFX provides a huge list of widely used and common elements varying from basic to complex, which we will cover in this tutorial. UI elements − These ar...	[ { "code": null, "e": 1966, "s": 1900, "text": "Every user interface considers the following three main aspects −" }, { "code": null, "e": 2198, "s": 1966, "text": "UI elements − These are the core visual elements which the user eventually sees and interacts with. JavaFX provides ...
Check if a number can be written as a sum of 'k' prime numbers - GeeksforGeeks	10 Mar, 2022 Given two numbers N and K. We need to find out if ‘N’ can be written as sum of ‘K’ prime numbers. Given N <= 10^9 Examples : Input : N = 10 K = 2 Output : Yes 10 can be written as 5 + 5 Input : N = 2 K = 2 Output : No The idea is to use Goldbach’s conjecture which says that every even integer ...	[ { "code": null, "e": 24748, "s": 24720, "text": "\n10 Mar, 2022" }, { "code": null, "e": 24862, "s": 24748, "text": "Given two numbers N and K. We need to find out if ‘N’ can be written as sum of ‘K’ prime numbers. Given N <= 10^9" }, { "code": null, "e": 24874, "...
Binary Search functions in C++ STL (binary_search, lower_bound and upper_bound) - GeeksforGeeks	31 May, 2021 Binary search is an important component in competitive programming or any algorithmic competition, having knowledge of shorthand functions reduces the time to code them. This searching only works when container is sorted. Related functions are discussed below.1.binary_search(start_ptr, end_ptr, num) : This...	[ { "code": null, "e": 24320, "s": 24292, "text": "\n31 May, 2021" }, { "code": null, "e": 24723, "s": 24320, "text": "Binary search is an important component in competitive programming or any algorithmic competition, having knowledge of shorthand functions reduces the time to code...
Python String lstrip() method - GeeksforGeeks	19 Aug, 2021 Python String lstrip() method returns a copy of the string with leading characters removed (based on the string argument passed). If no argument is passed, it removes leading spaces. Syntax: string.lstrip(characters) Parameters: characters [optional]: A set of characters to remove as leading characters. ...	[ { "code": null, "e": 25139, "s": 25111, "text": "\n19 Aug, 2021" }, { "code": null, "e": 25322, "s": 25139, "text": "Python String lstrip() method returns a copy of the string with leading characters removed (based on the string argument passed). If no argument is passed, it remo...
Naive Bayes Classifiers for Text Classification \| by Pınar Ersoy \| Towards Data Science	Text classification can be described as one of the major subdivisions of the Natural Language Processing field. The text-based datasets composed of unstructured formatted content. This nature causes them to extract meaningful pieces in a difficult way. To be able to cope with this task, it is critical to choose the cor...	[ { "code": null, "e": 641, "s": 172, "text": "Text classification can be described as one of the major subdivisions of the Natural Language Processing field. The text-based datasets composed of unstructured formatted content. This nature causes them to extract meaningful pieces in a difficult way. To...
AWT Image Class	Image control is superclass for all image classes representing graphical images. Following is the declaration for java.awt.Image class: public abstract class Image extends Object Following are the fields for java.awt.Image class: protected float accelerationPriority -- Priority for accelerating this image. protect...	[ { "code": null, "e": 1829, "s": 1747, "text": "Image control is superclass for all image classes representing graphical images. " }, { "code": null, "e": 1884, "s": 1829, "text": "Following is the declaration for java.awt.Image class:" }, { "code": null, "e": 1930, ...
Compare two files using Hashing in Python - GeeksforGeeks	10 Jun, 2021 In this article, we would be creating a program that would determine, whether two files provided to it are the same or not. By the same means that their contents are the same or not (excluding any metadata). We would be using Cryptographic Hashes for this purpose. A cryptographic hash function is a functio...	[ { "code": null, "e": 25555, "s": 25527, "text": "\n10 Jun, 2021" }, { "code": null, "e": 26156, "s": 25555, "text": "In this article, we would be creating a program that would determine, whether two files provided to it are the same or not. By the same means that their contents a...
How to create a Dictionary in PowerShell?	To create a dictionary in the PowerShell we need to use the class Dictionary from the .Net namespace System.Collections.Generic. It has TKey and TValue. Its basic syntax is Dictionary<TKey,TValue> To learn more about this .Net namespace check the link below. https://docs.microsoft.com/en-us/dotnet/api/system.collection...	[ { "code": null, "e": 1235, "s": 1062, "text": "To create a dictionary in the PowerShell we need to use the class Dictionary from the .Net namespace System.Collections.Generic. It has TKey and TValue. Its basic syntax is" }, { "code": null, "e": 1259, "s": 1235, "text": "Dictionar...
C# Program To Remove Duplicates From A Given String - GeeksforGeeks	11 Dec, 2021 Given a string S, the task is to remove all the duplicates in the given string. Below are the different methods to remove duplicates in a string. METHOD 1 (Simple) C# // C# program to remove duplicate character// from character array and print in sorted// orderusing System;using System.Collections.Generic...	[ { "code": null, "e": 25028, "s": 25000, "text": "\n11 Dec, 2021" }, { "code": null, "e": 25174, "s": 25028, "text": "Given a string S, the task is to remove all the duplicates in the given string. Below are the different methods to remove duplicates in a string." }, { "co...
Java - Access Modifiers	Java provides a number of access modifiers to set access levels for classes, variables, methods, and constructors. The four access levels are − Visible to the package, the default. No modifiers are needed. Visible to the class only (private). Visible to the world (public). Visible to the package and all subclasses (pro...	[ { "code": null, "e": 2521, "s": 2377, "text": "Java provides a number of access modifiers to set access levels for classes, variables, methods, and constructors. The four access levels are −" }, { "code": null, "e": 2583, "s": 2521, "text": "Visible to the package, the default. N...
GATE \| GATE-CS-2015 (Set 1) \| Question 21 - GeeksforGeeks	28 Jun, 2021 The output of the following C program is __________. void f1 (int a, int b){ int c; c=a; a=b; b=c;}void f2 (int a, int b){ int c; c=a; a=b;b=c;}int main(){ int a=4, b=5, c=6; f1(a, b); f2(&b, &c); printf (“%d”, c-a-b); return 0;} (A) -5(B) -4(C) 5(D) 3Answer: (A)Explanation: The function cal...	[ { "code": null, "e": 24466, "s": 24438, "text": "\n28 Jun, 2021" }, { "code": null, "e": 24519, "s": 24466, "text": "The output of the following C program is __________." }, { "code": "void f1 (int a, int b){ int c; c=a; a=b; b=c;}void f2 (int a, int b){ int c; c=*a...
3 Divisors \| Practice \| GeeksforGeeks	You have given a list of q queries and for every query, you are given an integer N. The task is to find how many numbers(less than or equal to N) have number of divisors exactly equal to 3. Example 1: Input: q = 1 query[0] = 6 Output: 1 Explanation: There is only one number 4 which has exactly three divisors 1, 2 and...	[ { "code": null, "e": 430, "s": 238, "text": "You have given a list of q queries and for every query, you are given an integer N. The task is to find how many numbers(less than or equal to N) have number of divisors exactly equal to 3. " }, { "code": null, "e": 441, "s": 430, "te...
Seeing the random forest from the decision trees: An explanation of Random Forest \| by Michelle Jane Tat \| Towards Data Science	Over this past weekend, I got a little bored and decided to brush up on my R a bit. I have been programming in Python almost exclusively as a fellow at Insight, but I actually not had done much predictive analytics in R, save for pretty vanilla linear regressions. I wanted a somewhat clean data source where I can play ...	[ { "code": null, "e": 630, "s": 172, "text": "Over this past weekend, I got a little bored and decided to brush up on my R a bit. I have been programming in Python almost exclusively as a fellow at Insight, but I actually not had done much predictive analytics in R, save for pretty vanilla linear reg...
How to Implement a Strategy Pattern using Enum in Java? - GeeksforGeeks	22 Feb, 2021 The strategy design pattern is intended to provide a way to choose from a variety of interchangeable strategies. Classic implementation includes an architecture to be implemented by each technique and offers a concrete implementation for execution. The method is chosen from an interface reference, and the ...	[ { "code": null, "e": 24952, "s": 24924, "text": "\n22 Feb, 2021" }, { "code": null, "e": 25287, "s": 24952, "text": "The strategy design pattern is intended to provide a way to choose from a variety of interchangeable strategies. Classic implementation includes an architecture to...
Dot notation in JavaScript	The dot notation is used to access the object properties in JavaScript. Following is the code to implement dot notation − Live Demo <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { f...	[ { "code": null, "e": 1184, "s": 1062, "text": "The dot notation is used to access the object properties in JavaScript. Following is the code\nto implement dot notation −" }, { "code": null, "e": 1195, "s": 1184, "text": " Live Demo" }, { "code": null, "e": 2337, "...
Redis - Server Slaveof Command	Redis SLAVEOF command can change the replication settings of a slave on the fly. If a Redis server is already acting as a slave, the command SLAVEOF NO ONE will turn off the replication, turning the Redis server into a MASTER. In the proper form SLAVEOF hostname port will make the server a slave of another server liste...	[ { "code": null, "e": 2603, "s": 2045, "text": "Redis SLAVEOF command can change the replication settings of a slave on the fly. If a Redis server is already acting as a slave, the command SLAVEOF NO ONE will turn off the replication, turning the Redis server into a MASTER. In the proper form SLAVEOF...
Tryit Editor v3.7	Tryit: A navigation menu	[]