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
Fortran - Basic Input Output	We have so far seen that we can read data from keyboard using the read * statement, and display output to the screen using the print* statement, respectively. This form of input-output is free format I/O, and it is called list-directed input-output. The free format simple I/O has the form − read(,) item1, item2, item...	[ { "code": null, "e": 2396, "s": 2146, "text": "We have so far seen that we can read data from keyboard using the read * statement, and display output to the screen using the print* statement, respectively. This form of input-output is free format I/O, and it is called list-directed input-output." ...
Tryit Editor v3.6 - Show Sass	@mixin important-text { color: red; font-size: 25px; font-weight: bold; border: 1px solid blue; } .danger { @include important-text; background-color: green; } .danger { color: red; font-size: 25px; font-weight: bold; border: 1px solid blue; background-color: green; } <!DOCTYPE html> <html> <li...	[ { "code": null, "e": 174, "s": 0, "text": "\n@mixin important-text {\n color: red;\n font-size: 25px;\n font-weight: bold;\n border: 1px solid blue;\n}\n\n.danger {\n @include important-text;\n background-color: green;\n}" }, { "code": null, "e": 294, "s": 174, "text": "\n....
Comparator reverseOrder() method in Java with examples	29 Apr, 2019 The reverseOrder() method of Comparator Interface in Java returns a comparator that use to compare Comparable objects in reverse of natural order. The returned comparator by this method is serializable and throws NullPointerException when comparing null. Syntax: static <T extends Comparable<T>> Compar...	[ { "code": null, "e": 28, "s": 0, "text": "\n29 Apr, 2019" }, { "code": null, "e": 283, "s": 28, "text": "The reverseOrder() method of Comparator Interface in Java returns a comparator that use to compare Comparable objects in reverse of natural order. The returned comparator by t...
Number of ways to form an array with distinct adjacent elements	02 Jul, 2021 Given three integers N, M and X, the task is to find the number of ways to form an array, such that all consecutive numbers of the array are distinct, and the value at any index of the array from 2 to N – 1(Considering 1 based indexing) lies between 1 and M, while the value at index 1 is X and the value at...	[ { "code": null, "e": 52, "s": 24, "text": "\n02 Jul, 2021" }, { "code": null, "e": 424, "s": 52, "text": "Given three integers N, M and X, the task is to find the number of ways to form an array, such that all consecutive numbers of the array are distinct, and the value at any in...
Problems on Percentage	13 Jul, 2022 Question 1: Ram gets 55 % of total valid votes in an election. If the total votes were 9000, what is the number of valid votes that the other candidate Shyam gets if 30 % of the total votes were declared invalid? Solution: Total votes= 9000 Total valid votes=70 % of 9000 = 6300 Shyam gets 45 % of 6300 =(45...	[ { "code": null, "e": 52, "s": 24, "text": "\n13 Jul, 2022" }, { "code": null, "e": 386, "s": 52, "text": "Question 1: Ram gets 55 % of total valid votes in an election. If the total votes were 9000, what is the number of valid votes that the other candidate Shyam gets if 30 % of ...
Given a string, find its first non-repeating character	23 Jun, 2022 Given a string, find the first non-repeating character in it. For example, if the input string is “GeeksforGeeks”, then the output should be ‘f’ and if the input string is “GeeksQuiz”, then the output should be ‘G’. Example: Input: "geeksforgeeks" Explanation: Step 1: Construct a character count array ...	[ { "code": null, "e": 52, "s": 24, "text": "\n23 Jun, 2022" }, { "code": null, "e": 269, "s": 52, "text": "Given a string, find the first non-repeating character in it. For example, if the input string is “GeeksforGeeks”, then the output should be ‘f’ and if the input string is “G...
Create a database in MongoDB using Python	22 Apr, 2022 MongoDB is a general-purpose, document-based, distributed database built for modern application developers and the cloud. It is a document database, which means it stores data in JSON-like documents. This is an efficient way to think about data and is more expressive and powerful than the traditional table...	[ { "code": null, "e": 52, "s": 24, "text": "\n22 Apr, 2022" }, { "code": null, "e": 661, "s": 52, "text": "MongoDB is a general-purpose, document-based, distributed database built for modern application developers and the cloud. It is a document database, which means it stores dat...
Trim a String to a Specified Display Width in R Programming – strtrim() Function	12 Jun, 2020 strtrim() function in R Language is used to trim a string to a specified display width. Syntax: strtrim(x, width) Parameters:x: character vectorwidth: specified width Example 1: # R program to trim a string# to specified width # Creating a vectorx1 <- "GeeksforGeeks"x2 <- "R Programming" # Calling strtri...	[ { "code": null, "e": 28, "s": 0, "text": "\n12 Jun, 2020" }, { "code": null, "e": 116, "s": 28, "text": "strtrim() function in R Language is used to trim a string to a specified display width." }, { "code": null, "e": 142, "s": 116, "text": "Syntax: strtrim(x,...
Python \| os.path.isabs() method	26 Aug, 2019 OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality. os.path module is sub module of OS module in Python used for common path name manipulati...	[ { "code": null, "e": 28, "s": 0, "text": "\n26 Aug, 2019" }, { "code": null, "e": 339, "s": 28, "text": "OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of usin...
How to create a Splash Screen using Tkinter? - GeeksforGeeks	12 Dec, 2021 Prerequisite: Python GUI – tkinter Python offers multiple options for developing a GUI (Graphical User Interface). Out of all the GUI methods, tkinter is the most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. A splash screen in tkinter is a tkinter windo...	[ { "code": null, "e": 24318, "s": 24290, "text": "\n12 Dec, 2021" }, { "code": null, "e": 24353, "s": 24318, "text": "Prerequisite: Python GUI – tkinter" }, { "code": null, "e": 24580, "s": 24353, "text": "Python offers multiple options for developing a GUI (Gr...
Emojis in Your Data 🤓. Everything you need to know about emoji... \| by Jonathan Law \| Towards Data Science	Let us face it, it is 2021 and emojis are inevitable. You see it everywhere from chats to product reviews, and in some cases usernames. Today we will be answering some questions: What are emojis How are emojis stored in a database How important is it to retain emojis in my dataset or database What’s next 🤷 Everyone kn...	[ { "code": null, "e": 350, "s": 171, "text": "Let us face it, it is 2021 and emojis are inevitable. You see it everywhere from chats to product reviews, and in some cases usernames. Today we will be answering some questions:" }, { "code": null, "e": 366, "s": 350, "text": "What ar...
C++ \| new and delete \| Question 1 - GeeksforGeeks	29 Jul, 2020 How to create a dynamic array of pointers (to integers) of size 10 using new in C++? Hint: We can create a non-dynamic array using int arr[10](A) int arr = new int [10];(B) int arr = new int [10];(C) int *arr = new int [10];(D) Not PossibleAnswer: (B)Explanation: Dynamic array of pointer having size ...	[ { "code": null, "e": 24552, "s": 24524, "text": "\n29 Jul, 2020" }, { "code": null, "e": 24637, "s": 24552, "text": "How to create a dynamic array of pointers (to integers) of size 10 using new in C++?" }, { "code": null, "e": 24887, "s": 24637, "text": "Hint:...
Batch Script - If Statement	The first decision-making statement is the ‘if’ statement. The general form of this statement in Batch Script is as follows − if(condition) do_something The general working of this statement is that first a condition is evaluated in the ‘if’ statement. If the condition is true, it then executes the statements. The fol...	[ { "code": null, "e": 2295, "s": 2169, "text": "The first decision-making statement is the ‘if’ statement. The general form of this statement in Batch Script is as follows −" }, { "code": null, "e": 2323, "s": 2295, "text": "if(condition) do_something\n" }, { "code": null,...
Missing element of AP \| Practice \| GeeksforGeeks	Find the missing element from an ordered array arr[], consisting of N elements representing an Arithmetic Progression(AP). Note: There always exists an element which upon inserting into sequence forms Arithmetic progression. Example 1: Input: N = 6 Arr[] = {2, 4, 8, 10, 12, 14} Output: 6 Explanation: Actual AP should ...	[ { "code": null, "e": 361, "s": 238, "text": "Find the missing element from an ordered array arr[], consisting of N elements representing an Arithmetic Progression(AP)." }, { "code": null, "e": 475, "s": 361, "text": "Note: There always exists an element which upon inserting into ...
C# \| Remove the element with the specified key from a SortedList - GeeksforGeeks	11 Oct, 2018 SortedList class is a collection of (key, value) pairs which are sorted according to keys. Those pairs can be accessible by key and as well as by index(zero-based indexing). This comes under System.Collections namespace. SortedList.Remove(Object) method is used to remove the element with the specified key ...	[ { "code": null, "e": 24717, "s": 24689, "text": "\n11 Oct, 2018" }, { "code": null, "e": 25050, "s": 24717, "text": "SortedList class is a collection of (key, value) pairs which are sorted according to keys. Those pairs can be accessible by key and as well as by index(zero-based ...
Natural Scene Recognition Using Deep Learning \| by Shubham Gupta \| Towards Data Science	Recognizing the environment in one glance is one of the human brain’s most accomplished deeds. While the tremendous recent progress in object recognition tasks originates from the availability of large datasets such as COCO and the rise of Convolution Neural Networks ( CNNs) to learn high-level features, scene recognit...	[ { "code": null, "e": 552, "s": 172, "text": "Recognizing the environment in one glance is one of the human brain’s most accomplished deeds. While the tremendous recent progress in object recognition tasks originates from the availability of large datasets such as COCO and the rise of Convolution Neu...
XOR Cipher - GeeksforGeeks	30 Jun, 2021 XOR Encryption is an encryption method used to encrypt data and is hard to crack by brute-force method, i.e generating random encryption keys to match with the correct one. Below is a simple implementation in C++. The concept of implementation is to first define XOR – encryption key and then to perform XO...	[ { "code": null, "e": 24260, "s": 24232, "text": "\n30 Jun, 2021" }, { "code": null, "e": 24434, "s": 24260, "text": "XOR Encryption is an encryption method used to encrypt data and is hard to crack by brute-force method, i.e generating random encryption keys to match with the cor...
Reverse every word of the string except the first and the last character - GeeksforGeeks	07 Feb, 2022 Given string str consisting of a sentence, the task is to reverse every word of the sentence except the first and last character of the words. Examples: Input: str = “geeks for geeks” Output: gkees for gkees Input: str = “this is a string” Output: this is a snirtg Approach: Break the string into words ...	[ { "code": null, "e": 24437, "s": 24409, "text": "\n07 Feb, 2022" }, { "code": null, "e": 24580, "s": 24437, "text": "Given string str consisting of a sentence, the task is to reverse every word of the sentence except the first and last character of the words." }, { "code"...
XPath Evaluator in Java - GeeksforGeeks	15 Oct, 2021 As we know XML document is used to store and transport data. So, to access data from XML, we need something which could access each node and respective attributes data. Then the solution is XPath. XPath can be used to traverse through XML documents, to select nodes/elements, and attribute data. It is a W3C...	[ { "code": null, "e": 23581, "s": 23553, "text": "\n15 Oct, 2021" }, { "code": null, "e": 24128, "s": 23581, "text": "As we know XML document is used to store and transport data. So, to access data from XML, we need something which could access each node and respective attributes ...
How to fill the missing values of an R data frame from the mean of columns?	Dealing with missing values is one of the initial steps in data analysis and it is also most difficult because we don’t fill the missing values with the appropriate method then the result of the whole analysis might become meaningless. Therefore, we must be very careful about dealing with missing values. Mostly for lea...	[ { "code": null, "e": 1606, "s": 1062, "text": "Dealing with missing values is one of the initial steps in data analysis and it is also most difficult because we don’t fill the missing values with the appropriate method then the result of the whole analysis might become meaningless. Therefore, we mus...
Download a Flask template ready to plug in your business logic \| by Anirudh Lohia \| Towards Data Science	Let’s assume after lots of hard work you have your machine learning model running the way it should. This model could be one which responds to a user’s request to classify a tweet sentiment or identify objects in an image or recommend a product or some other algorithm unique to your needs. You would now like to quickly...	[ { "code": null, "e": 619, "s": 172, "text": "Let’s assume after lots of hard work you have your machine learning model running the way it should. This model could be one which responds to a user’s request to classify a tweet sentiment or identify objects in an image or recommend a product or some ot...
C - Bit Fields	Suppose your C program contains a number of TRUE/FALSE variables grouped in a structure called status, as follows − struct { unsigned int widthValidated; unsigned int heightValidated; } status; This structure requires 8 bytes of memory space but in actual, we are going to store either 0 or 1 in each of the variab...	[ { "code": null, "e": 2200, "s": 2084, "text": "Suppose your C program contains a number of TRUE/FALSE variables grouped in a structure called status, as follows −" }, { "code": null, "e": 2284, "s": 2200, "text": "struct {\n unsigned int widthValidated;\n unsigned int heightV...
How to Use SQL Query to Rename a Constraint? - GeeksforGeeks	09 Nov, 2021 In SQL, we sometimes need to rename the constraints of a table. The whole process for doing the same is demonstrated below. For this article, we will be using the Microsoft SQL Server as our database. Step 1: Create a Database. For this use the below command to create a database named GeeksForGeeks. Query:...	[ { "code": null, "e": 23903, "s": 23875, "text": "\n09 Nov, 2021" }, { "code": null, "e": 24104, "s": 23903, "text": "In SQL, we sometimes need to rename the constraints of a table. The whole process for doing the same is demonstrated below. For this article, we will be using the ...
Merge two sets in Java	To merge two sets in Java, the code is as follows − Live Demo import java.util.stream.; import java.util.; import java.io.*; public class Demo{ public static <T> Set<T> set_merge(Set<T> set_1, Set<T> set_2){ Set<T> my_set = set_1.stream().collect(Collectors.toSet()); my_set.addAll(set_2); return...	[ { "code": null, "e": 1114, "s": 1062, "text": "To merge two sets in Java, the code is as follows −" }, { "code": null, "e": 1125, "s": 1114, "text": " Live Demo" }, { "code": null, "e": 1914, "s": 1125, "text": "import java.util.stream.;\nimport java.util.;\...
Preparing the data for Transformer pre-training — a write-up \| by Steven van de Graaf \| Towards Data Science	Introduced only a little over a year ago, the best-known incarnation of the Transformer model introduced by Vaswani et al. (2017), the Bidirectional Encoder Representations from Transformers (better known as BERT) model by Devlin et al. (2018) has since become hugely popular within the Natural Language Processing (NLP)...	[ { "code": null, "e": 735, "s": 171, "text": "Introduced only a little over a year ago, the best-known incarnation of the Transformer model introduced by Vaswani et al. (2017), the Bidirectional Encoder Representations from Transformers (better known as BERT) model by Devlin et al. (2018) has since b...
Count Inversions in an array \| Set 1 (Using Merge Sort) - GeeksforGeeks	20 Apr, 2022 Inversion Count for an array indicates – how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if the array is sorted in the reverse order, the inversion count is the maximum. Formally speaking, two elements a[i] and a[j] form an inversion if ...	[ { "code": null, "e": 34514, "s": 34486, "text": "\n20 Apr, 2022" }, { "code": null, "e": 34853, "s": 34514, "text": "Inversion Count for an array indicates – how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if t...
MongoDB \| ObjectID() Function - GeeksforGeeks	05 Jun, 2020 ObjectID() Function: MongoDB uses ObjectID to create unique identifiers for all the documents in the database. It is different than the traditional autoincrementing integer ID, but it comes with its own set of advantages. An ObjectID is a GUID (Globally Unique Identifier). GUIDs are generated randomly via ...	[ { "code": null, "e": 24695, "s": 24667, "text": "\n05 Jun, 2020" }, { "code": null, "e": 24917, "s": 24695, "text": "ObjectID() Function: MongoDB uses ObjectID to create unique identifiers for all the documents in the database. It is different than the traditional autoincrementin...
Find the element that appears once - GeeksforGeeks	04 Feb, 2022 Given an array where every element occurs three times, except one element which occurs only once. Find the element that occurs once. The expected time complexity is O(n) and O(1) extra space. Examples: Input: arr[] = {12, 1, 12, 3, 12, 1, 1, 2, 3, 3} Output: 2 In the given array all element appear three t...	[ { "code": null, "e": 34203, "s": 34175, "text": "\n04 Feb, 2022" }, { "code": null, "e": 34396, "s": 34203, "text": "Given an array where every element occurs three times, except one element which occurs only once. Find the element that occurs once. The expected time complexity i...
How to add super privileges to MySQL database?	Firstly, check the MySQL database with DESC command. mysql>DESC mysql.db; The following is the output. +-----------------------+---------------+------+-----+---------+-------+ \| Field \| Type \| Null \| Key \| Default \| Extra \| +-----------------------+---------------+------+-----+---------+-------...	[ { "code": null, "e": 1115, "s": 1062, "text": "Firstly, check the MySQL database with DESC command." }, { "code": null, "e": 1136, "s": 1115, "text": "mysql>DESC mysql.db;" }, { "code": null, "e": 1165, "s": 1136, "text": "The following is the output." }, ...
Hibernate - Persistent Class	The entire concept of Hibernate is to take the values from Java class attributes and persist them to a database table. A mapping document helps Hibernate in determining how to pull the values from the classes and map them with table and associated fields. Java classes whose objects or instances will be stored in databa...	[ { "code": null, "e": 2319, "s": 2063, "text": "The entire concept of Hibernate is to take the values from Java class attributes and persist them to a database table. A mapping document helps Hibernate in determining how to pull the values from the classes and map them with table and associated field...
MariaDB - Quick Guide	A database application exists separate from the main application and stores data collections. Every database employs one or multiple APIs for the creation, access, management, search, and replication of the data it contains. Databases also use non-relational data sources such as objects or files. However, databases pro...	[ { "code": null, "e": 2587, "s": 2362, "text": "A database application exists separate from the main application and stores data collections. Every database employs one or multiple APIs for the creation, access, management, search, and replication of the data it contains." }, { "code": null, ...
How to automatically segment customers using purchase data and a few lines of Python \| by Tristan Ganry \| Towards Data Science	Why should you care about customer segmentation? To deliver personalized experiences to customers, segmentation is key. It can provide insights into your customers behavior, habits, and preferences, allowing you to offer tailored marketing campaigns increasing your odds of success as well as improving your customers ex...	[ { "code": null, "e": 524, "s": 172, "text": "Why should you care about customer segmentation? To deliver personalized experiences to customers, segmentation is key. It can provide insights into your customers behavior, habits, and preferences, allowing you to offer tailored marketing campaigns incre...
Add elements to a Queue using Javascript	Enqueuing elements to a Queue means adding them to the end of the array. We are taking the end of the container array to be the tail of the queue as we'll perform all insertions operations with respect to it. So we can implement the enqueue function as follows − enqueue(element) { // Check if Queue is full if (th...	[ { "code": null, "e": 1271, "s": 1062, "text": "Enqueuing elements to a Queue means adding them to the end of the array. We are taking the end of the container array to be the tail of the queue as we'll perform all insertions operations with respect to it." }, { "code": null, "e": 1325, ...
Gensim - Vector & Model	Here, we shall learn about the core concepts of Gensim, with main focus on the vector and the model. What if we want to infer the latent structure in our corpus? For this, we need to represent the documents in a such a way that we can manipulate the same mathematically. One popular kind of representation is to represen...	[ { "code": null, "e": 2153, "s": 2052, "text": "Here, we shall learn about the core concepts of Gensim, with main focus on the vector and the model." }, { "code": null, "e": 2517, "s": 2153, "text": "What if we want to infer the latent structure in our corpus? For this, we need to...
How to change Row Names of DataFrame in R ? - GeeksforGeeks	28 Apr, 2021 The rows are stacked together, each denoted by a unique name. By default, the integer identifiers beginning from 1 to the number of rows are assigned to the data frame by default. The task here is to change the Rows names in given dataframe using R programming. Dataset in use: A data frame’s rows can be ac...	[ { "code": null, "e": 24303, "s": 24275, "text": "\n28 Apr, 2021" }, { "code": null, "e": 24565, "s": 24303, "text": "The rows are stacked together, each denoted by a unique name. By default, the integer identifiers beginning from 1 to the number of rows are assigned to the data f...
Check if a directed graph is connected or not in C++	To check connectivity of a graph, we will try to traverse all nodes using any traversal algorithm. After completing the traversal, if there is any node, which is not visited, then the graph is not connected. For the directed graph, we will start traversing from all nodes to check connectivity. Sometimes one edge can ha...	[ { "code": null, "e": 1270, "s": 1062, "text": "To check connectivity of a graph, we will try to traverse all nodes using any traversal algorithm. After completing the traversal, if there is any node, which is not visited, then the graph is not connected." }, { "code": null, "e": 1484, ...
What are annotations in Java?	Annotations are a tag (metadata) which provides info about a program. Annotations in Java Start with the symbol ‘@’. They are used by the compiler to detect errors. Software tools to generate code. They are used to show attributes of an element: e.g. @Deprecated, @Override. Annotation are used to describe the purpose o...	[ { "code": null, "e": 1132, "s": 1062, "text": "Annotations are a tag (metadata) which provides info about a program." }, { "code": null, "e": 1179, "s": 1132, "text": "Annotations in Java Start with the symbol ‘@’." }, { "code": null, "e": 1227, "s": 1179, "te...
Bootstrap 4 - Pagination	Pagination is used to divide the related content across multiple pages. The basic pagination can be created by using .pagination class to an <ul> element. The following example demonstrates this − <html lang = "en"> <head> <!-- Meta tags --> <meta charset = "utf-8"> <meta name = "viewport" content ...	[ { "code": null, "e": 1971, "s": 1816, "text": "Pagination is used to divide the related content across multiple pages. The basic pagination can be created by using .pagination class to an <ul> element." }, { "code": null, "e": 2013, "s": 1971, "text": "The following example demon...
How do we send an email using HTML forms?	To send an email using HTML forms, you need to add the email id to the action attribute of the form. In that, add email proceeding with mailto: i.e. mailto:emailid@example.com. You can try to run the following code to send an email using HTML forms − Live Demo <!DOCTYPE html> <html> <body> <h2>Student Contact ...	[ { "code": null, "e": 1239, "s": 1062, "text": "To send an email using HTML forms, you need to add the email id to the action attribute of the form. In that, add email proceeding with mailto: i.e. mailto:emailid@example.com." }, { "code": null, "e": 1313, "s": 1239, "text": "You c...
C++ Program For Counting Inversions In An Array - Set 1 (Using Merge Sort) - GeeksforGeeks	13 Dec, 2021 Inversion Count for an array indicates – how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if the array is sorted in the reverse order, the inversion count is the maximum. Formally speaking, two elements a[i] and a[j] form an inversion if ...	[ { "code": null, "e": 24716, "s": 24688, "text": "\n13 Dec, 2021" }, { "code": null, "e": 25055, "s": 24716, "text": "Inversion Count for an array indicates – how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if t...