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
Dice Roll Simulation in C++	Suppose a die simulator generates a random number from 1 to 6 for each roll. We want to introduced a constraint to the generator such that it cannot roll the number i more than rollMax[i] (1-indexed) consecutive times. Consider we have an array of integers rollMax and an integer n, we have to return the number of disti...	[ { "code": null, "e": 1868, "s": 1062, "text": "Suppose a die simulator generates a random number from 1 to 6 for each roll. We want to introduced a constraint to the generator such that it cannot roll the number i more than rollMax[i] (1-indexed) consecutive times. Consider we have an array of integ...
Exception handling and object destruction \| Set 1 - GeeksforGeeks	24 Jan, 2022 Predict the output of following C++ program. CPP #include <iostream>using namespace std; class Test {public: Test() { cout << "Constructing an object of Test " << endl; } ~Test() { cout << "Destructing an object of Test " << endl; }}; int main() { try { Test t1; throw 10; } catch(int i) { co...	[ { "code": null, "e": 26569, "s": 26541, "text": "\n24 Jan, 2022" }, { "code": null, "e": 26615, "s": 26569, "text": "Predict the output of following C++ program. " }, { "code": null, "e": 26619, "s": 26615, "text": "CPP" }, { "code": "#include <iostrea...
How to Upload Your Python Package to PyPI and pip \| Towards Data Science	You wrote a new Python package that solves a specific problem and it’s now time to share it with the wider Python community. To do so, you need to upload the package to a central repository that can be accessed by developers across the globe. In today’s article we are going to discuss how PyPI lets developers share pac...	[ { "code": null, "e": 414, "s": 171, "text": "You wrote a new Python package that solves a specific problem and it’s now time to share it with the wider Python community. To do so, you need to upload the package to a central repository that can be accessed by developers across the globe." }, { ...
A Guide to Building Your First Regression Model in Just 8 Lines of Code \| by Braden Riggs \| Towards Data Science	Mathematical modeling and machine learning can often feel like difficult topics to explore and learn, especially to those unfamiliar with the fields of computer science and mathematics. It surprises me to hear from my non-STEM friends that they feel overwhelmed trying to use basic modeling techniques in their own proje...	[ { "code": null, "e": 858, "s": 172, "text": "Mathematical modeling and machine learning can often feel like difficult topics to explore and learn, especially to those unfamiliar with the fields of computer science and mathematics. It surprises me to hear from my non-STEM friends that they feel overw...
CICS - REWRITE	REWRITE command is used to modify a record that is already present in a file. Prior to this command, the record must be read with a READ UPDATE command. The parameters are same as described before. The syntax for the Rewrite command is as follows − EXEC CICS REWRITE FILE (name) FROM (data-area) LENGTH (data-v...	[ { "code": null, "e": 2175, "s": 1926, "text": "REWRITE command is used to modify a record that is already present in a file. Prior to this command, the record must be read with a READ UPDATE command. The parameters are same as described before. The syntax for the Rewrite command is as follows −" }...
How to get the values of a particular row in a table in Selenium with python?	We can get the values of a particular row in a table in Selenium. The rows of a table are represented by <tr> tag in html code. The data in each row is enclosed with the <td> tag in html. Thus a <td> tag’s parent is always a <tr> tag. The logic is get all the rows, we shall use the locator xpath and then use find_eleme...	[ { "code": null, "e": 1297, "s": 1062, "text": "We can get the values of a particular row in a table in Selenium. The rows\nof a table are represented by <tr> tag in html code. The data in each row is enclosed\nwith the <td> tag in html. Thus a <td> tag’s parent is always a <tr> tag." }, { "c...
Clear a Hashtable in C#	Clear a Hashtable, using the Clear() method in C#. The following is our Hashtable − Hashtable h = new Hashtable(); h.Add(1, "Amit"); h.Add(2, "Sachin"); h.Add(3, "Rahul"); Use the clear method. h.Clear(); If you will now try to display the Hashtable, nothing would get display since the Hashtable is empty. Live Demo us...	[ { "code": null, "e": 1113, "s": 1062, "text": "Clear a Hashtable, using the Clear() method in C#." }, { "code": null, "e": 1146, "s": 1113, "text": "The following is our Hashtable −" }, { "code": null, "e": 1234, "s": 1146, "text": "Hashtable h = new Hashtable...
Lexicographically largest string possible in one swap - GeeksforGeeks	03 Aug, 2021 Given string str of length N, the task is to obtain the lexicographically largest string by at most one swap. Note: The swapping characters might not be adjacent. Examples: Input: str = “string” Output: tsring Explanation: Lexicographically largest string obtained by swapping string -> tsring. Input: str ...	[ { "code": null, "e": 26908, "s": 26880, "text": "\n03 Aug, 2021" }, { "code": null, "e": 27019, "s": 26908, "text": "Given string str of length N, the task is to obtain the lexicographically largest string by at most one swap. " }, { "code": null, "e": 27072, "s":...
Python - String with most unique characters - GeeksforGeeks	06 Mar, 2020 Sometimes, while working with python strings, we can have a problem in which we desire to extract particular list which has most number of unique characters. This kind of problem can have application in competitive programming and web development domain. Lets discuss certain ways in which this task can be ...	[ { "code": null, "e": 25647, "s": 25619, "text": "\n06 Mar, 2020" }, { "code": null, "e": 25965, "s": 25647, "text": "Sometimes, while working with python strings, we can have a problem in which we desire to extract particular list which has most number of unique characters. This ...
How to set vertical gap between elements in a GridLayout with Java?	Use the setVgap() method to set the vertical gap between elements in a GridLayout. Let’s say we have a GridLaypout − GridLayout layout = new GridLayout(3,3); Set the horizontal gap − layout.setVgap(30); The following is an example − package my; import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayou...	[ { "code": null, "e": 1179, "s": 1062, "text": "Use the setVgap() method to set the vertical gap between elements in a GridLayout. Let’s say we have a GridLaypout −" }, { "code": null, "e": 1220, "s": 1179, "text": "GridLayout layout = new GridLayout(3,3);" }, { "code": nu...
Boolean Algebraic Theorems - GeeksforGeeks	01 Apr, 2021 Boolean algebraic theorems are the theorems that are used to change the form of a boolean expression. Sometimes these theorems are used to minimize the terms of the expression, and sometimes they are used just to transfer the expression from one form to another. There are boolean algebraic theorems in dig...	[ { "code": null, "e": 25706, "s": 25678, "text": "\n01 Apr, 2021" }, { "code": null, "e": 25970, "s": 25706, "text": "Boolean algebraic theorems are the theorems that are used to change the form of a boolean expression. Sometimes these theorems are used to minimize the terms of th...
Difference between hardware serial and software serial in Arduino	A hardware serial, as the name suggests, denotes that a dedicated piece of hardware (UART) enables Serial communication. In Arduino Uno, for instance, pins 0 and 1 have UART support,and they are connected to the USB via a USB-to-UART converter. That facilitates communication between your computer/laptop and the Arduino...	[ { "code": null, "e": 1531, "s": 1062, "text": "A hardware serial, as the name suggests, denotes that a dedicated piece of hardware (UART) enables Serial communication. In Arduino Uno, for instance, pins 0 and 1 have UART support,and they are connected to the USB via a USB-to-UART converter. That fac...
Mastering User Management on Linux	Are you working as Linux admin? Do you create/delete users in Linux Command line? If yes, then this article is for you guys! After reading the below content, you will be able to manipulate users and group permissions in Linux system. In the below example sai is the username. The usermod command modifies the approach ac...	[ { "code": null, "e": 1296, "s": 1062, "text": "Are you working as Linux admin? Do you create/delete users in Linux Command line? If yes, then this article is for you guys! After reading the below content, you will be able to manipulate users and group permissions in Linux system." }, { "code...
C - nested if statements	It is always legal in C programming to nest if-else statements, which means you can use one if or else if statement inside another if or else if statement(s). The syntax for a nested if statement is as follows − if( boolean_expression 1) { /* Executes when the boolean expression 1 is true */ if(boolean_expressio...	[ { "code": null, "e": 2243, "s": 2084, "text": "It is always legal in C programming to nest if-else statements, which means you can use one if or else if statement inside another if or else if statement(s)." }, { "code": null, "e": 2296, "s": 2243, "text": "The syntax for a nested...
Algorithm for non recursive Predictive Parsing - GeeksforGeeks	24 May, 2021 Prerequisite – Classification of Top Down Parsers Predictive parsing is a special form of recursive descent parsing, where no backtracking is required, so this can predict which products to use to replace the input string. Non-recursive predictive parsing or table-driven is also known as LL(1) parser. This...	[ { "code": null, "e": 24414, "s": 24386, "text": "\n24 May, 2021" }, { "code": null, "e": 24770, "s": 24414, "text": "Prerequisite – Classification of Top Down Parsers Predictive parsing is a special form of recursive descent parsing, where no backtracking is required, so this can...
How to Add GIFs on README .md File in a GitHub Repository? - GeeksforGeeks	10 Nov, 2021 Git is a free and open-source distributed version control system designed to handle everything from small to very large projects. Github is a highly used software that is used for version control. It is more helpful when more than one person is working on a project. GIF as we all know stands for Graphics I...	[ { "code": null, "e": 24666, "s": 24638, "text": "\n10 Nov, 2021" }, { "code": null, "e": 25056, "s": 24666, "text": "Git is a free and open-source distributed version control system designed to handle everything from small to very large projects. Github is a highly used software ...
Creating a list of range of dates in Python - GeeksforGeeks	09 May, 2021 Given a date, and the task is to write a Python program to create a list of range of dates with the next K dates starting from the current date. Examples: Input : test_date = datetime.datetime(1997, 1, 4), K = 5 Output : [datetime.datetime(1997, 1, 4, 0, 0), datetime.datetime(1997, 1, 5, 0, 0), datetime.da...	[ { "code": null, "e": 24292, "s": 24264, "text": "\n09 May, 2021" }, { "code": null, "e": 24437, "s": 24292, "text": "Given a date, and the task is to write a Python program to create a list of range of dates with the next K dates starting from the current date." }, { "cod...
C \| Pointer Basics \| Question 12 - GeeksforGeeks	05 Feb, 2013 Consider this C code to swap two integers and these five statements after it: void swap(int px, int py) { px = px - py; py = px + py; px = py - *px; } S1: will generate a compilation errorS2: may generate a segmentation fault at runtime depending on the arguments passedS3: correctly impl...	[ { "code": null, "e": 24268, "s": 24240, "text": "\n05 Feb, 2013" }, { "code": null, "e": 24346, "s": 24268, "text": "Consider this C code to swap two integers and these five statements after it:" }, { "code": "void swap(int px, int py) { px = px - py; py = *px...
Get elapsed time in minutes in Java	To get the elapsed time of an operation in minutes in Java, we use the System.currentTimeMillis() method. The java.lang.System.currentTimeMillis() returns the current time in milliseconds. Declaration −The java.lang.System.currentTimeMillis() is declared as follows − public static long currentTimeMillis() The method re...	[ { "code": null, "e": 1251, "s": 1062, "text": "To get the elapsed time of an operation in minutes in Java, we use the System.currentTimeMillis() method. The java.lang.System.currentTimeMillis() returns the current time in milliseconds." }, { "code": null, "e": 1330, "s": 1251, "t...
Count ordered pairs of numbers with a given LCM - GeeksforGeeks	10 May, 2021 Given an integer N, the task is to count the total number of ordered pairs such that the LCM of each pair is equal to N. Examples: Input: N = 6Output: 9 Explanation: Pairs with LCM equal to N(= 6) are {(1, 6), (2, 6), (2, 3), (3, 6), (6, 6), (6, 3), (3, 2), (6, 2), (6, 1)} Therefore, the output is 9. Input...	[ { "code": null, "e": 25378, "s": 25350, "text": "\n10 May, 2021" }, { "code": null, "e": 25499, "s": 25378, "text": "Given an integer N, the task is to count the total number of ordered pairs such that the LCM of each pair is equal to N." }, { "code": null, "e": 25509...
Handling NetCDF Files using XArray for Absolute Beginners \| by Eden Au \| Towards Data Science	NetCDF is a machine-independent, array-oriented, multi-dimensional, self-describing, and portable data format used by various scientific communities. It has a filename extension of .nc or .cdf (though it is believed that there are subtle differences between the two). Unlike files in .csv or .xlsx, NetCDF format cannot ...	[ { "code": null, "e": 552, "s": 172, "text": "NetCDF is a machine-independent, array-oriented, multi-dimensional, self-describing, and portable data format used by various scientific communities. It has a filename extension of .nc or .cdf (though it is believed that there are subtle differences betwe...
OOAD - Quick Guide	The object-oriented paradigm took its shape from the initial concept of a new programming approach, while the interest in design and analysis methods came much later. The first object–oriented language was Simula (Simulation of real systems) that was developed in 1960 by researchers at the Norwegian Computing Center. T...	[ { "code": null, "e": 2154, "s": 1987, "text": "The object-oriented paradigm took its shape from the initial concept of a new programming approach, while the interest in design and analysis methods came much later." }, { "code": null, "e": 2306, "s": 2154, "text": "The first objec...
Understanding Customer Churning with Big Data Analytics \| by Bowen Chen \| Towards Data Science	Take a guess. What is the world’s most valuable asset right now? It is not gold, not crude oil... it is data. You must have heard about the popular buzz word “big data”, and wondering what exactly that term means. Think about your favorite music streaming services — Spotify, Pandora... etc. Every second across the worl...	[ { "code": null, "e": 112, "s": 47, "text": "Take a guess. What is the world’s most valuable asset right now?" }, { "code": null, "e": 586, "s": 112, "text": "It is not gold, not crude oil... it is data. You must have heard about the popular buzz word “big data”, and wondering wha...
C# \| Boolean.ToString() Method - GeeksforGeeks	04 Oct, 2021 This method is used to convert the value of this instance to its equivalent string representation i.e. either “True” or “False”. Syntax: public override string ToString (); Return Value: This method returns “True” (the value of the TrueString property) if the value of this instance is true, or “False” (the...	[ { "code": null, "e": 25757, "s": 25729, "text": "\n04 Oct, 2021" }, { "code": null, "e": 25886, "s": 25757, "text": "This method is used to convert the value of this instance to its equivalent string representation i.e. either “True” or “False”." }, { "code": null, "e...
Integer toString() in Java	05 Dec, 2018 The java.lang.Integer.toString() is an inbuilt method in Java which is used to return the String object representing this Integer’s value.Syntax :public static String toString()Parameters: The method does not accept any parameters.Return Value:The method returns the string object of the particular Integer ...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Dec, 2018" }, { "code": null, "e": 7312, "s": 28, "text": "The java.lang.Integer.toString() is an inbuilt method in Java which is used to return the String object representing this Integer’s value.Syntax :public static String toStrin...
Reverse a string in PL/SQL	29 Jun, 2018 Prerequisite – PL/SQL introduction In PL/SQL code groups of commands are arranged within a block. A block group related declarations or statements. In declare part, we declare variables and between begin and end part, we perform the operations. Given a string, the task is to reverse a string using PL/SQL. ...	[ { "code": null, "e": 28, "s": 0, "text": "\n29 Jun, 2018" }, { "code": null, "e": 63, "s": 28, "text": "Prerequisite – PL/SQL introduction" }, { "code": null, "e": 273, "s": 63, "text": "In PL/SQL code groups of commands are arranged within a block. A block gr...
Parallel (Othographic & Oblique) Projection in Computer Graphics	15 Feb, 2022 Projection is a kind of phenomena that are used in computer graphics to map the view of a 3D object onto the projecting display panel where the viewing volume is specified by the world coordinate and then map these world coordinate over the view port. Projection is of the following kind : a) Paral...	[ { "code": null, "e": 52, "s": 24, "text": "\n15 Feb, 2022" }, { "code": null, "e": 304, "s": 52, "text": "Projection is a kind of phenomena that are used in computer graphics to map the view of a 3D object onto the projecting display panel where the viewing volume is specified by...
How to Find Duplicate Records that Meet Certain Conditions in SQL?	28 Oct, 2021 In this article, we will understand how to find Duplicate Records that meet certain conditions in SQL. Using the GROUP BY and HAVING clauses we can show the duplicates in table data. The GROUP BY statement in SQL is used to arrange identical data into groups with the help of some functions. i.e if a partic...	[ { "code": null, "e": 52, "s": 24, "text": "\n28 Oct, 2021" }, { "code": null, "e": 453, "s": 52, "text": "In this article, we will understand how to find Duplicate Records that meet certain conditions in SQL. Using the GROUP BY and HAVING clauses we can show the duplicates in tab...
HTML textarea autocomplete Attribute	09 May, 2022 The HTML <textarea> autocomplete Attribute is used to specify whether the Textarea field has autocomplete on or off. When the autocomplete attribute is set to on, the browser will automatically complete the values based on which the user entered before. It works with many input fields such as text, search,...	[ { "code": null, "e": 52, "s": 24, "text": "\n09 May, 2022" }, { "code": null, "e": 423, "s": 52, "text": "The HTML <textarea> autocomplete Attribute is used to specify whether the Textarea field has autocomplete on or off. When the autocomplete attribute is set to on, the browser...
std::remove_const in C++ with Examples	21 Jun, 2020 The std::remove_const template of C++ STL is present in the <type_traits> header file. The std::remove_const template of C++ STL is used to get the type T without const qualification. It return the boolean value true if T is without const qualified, otherwise return false. Below is the syntax for the same:...	[ { "code": null, "e": 28, "s": 0, "text": "\n21 Jun, 2020" }, { "code": null, "e": 336, "s": 28, "text": "The std::remove_const template of C++ STL is present in the <type_traits> header file. The std::remove_const template of C++ STL is used to get the type T without const qualif...
How to generate a random letter in Python?	03 Mar, 2021 In this article, let’s discuss how to generate a random letter. Python provides rich module support and some of these modules can help us to generate random numbers and letters. There are multiple ways we can do that using various Python modules. Method 1: Using string and random module The string module h...	[ { "code": null, "e": 53, "s": 25, "text": "\n03 Mar, 2021" }, { "code": null, "e": 300, "s": 53, "text": "In this article, let’s discuss how to generate a random letter. Python provides rich module support and some of these modules can help us to generate random numbers and lette...
How to close window using JavaScript which is opened by the user with a URL ?	05 Nov, 2020 JavaScript does not allow one to close a window opened by the user, using the window.close() method due to security issues. However, we can close a window by using a workaround. The approach to be followed is by opening the current URL using JavaScript so that it could be closed with a script. The steps be...	[ { "code": null, "e": 54, "s": 26, "text": "\n05 Nov, 2020" }, { "code": null, "e": 349, "s": 54, "text": "JavaScript does not allow one to close a window opened by the user, using the window.close() method due to security issues. However, we can close a window by using a workarou...
PHP \| Send Attachment With Email	16 Jun, 2022 Sending an email is a very common activity in a web browser. For example, sending an email when a new user joins a network, sending a newsletter, sending greeting mail, or sending an invoice. We can use the built-in mail() function to send an email programmatically. This function needs three required argum...	[ { "code": null, "e": 52, "s": 24, "text": "\n16 Jun, 2022" }, { "code": null, "e": 1003, "s": 52, "text": "Sending an email is a very common activity in a web browser. For example, sending an email when a new user joins a network, sending a newsletter, sending greeting mail, or s...
Translator App Project using Django	16 Mar, 2021 Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel. It’s free and open source. Refer to...	[ { "code": null, "e": 53, "s": 25, "text": "\n16 Mar, 2021" }, { "code": null, "e": 352, "s": 53, "text": "Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassl...
SMTP Commands	13 Sep, 2021 Simple Mail Transfer Protocol (SMTP) is an ASCII protocol. It is based on client-server model. It uses TCP port number 25 for this service. Therefore e-mail; is delivered from source to destination by having the source machine established a TCP to port 25 of the destination machine. To send mail, a system ...	[ { "code": null, "e": 28, "s": 0, "text": "\n13 Sep, 2021" }, { "code": null, "e": 605, "s": 28, "text": "Simple Mail Transfer Protocol (SMTP) is an ASCII protocol. It is based on client-server model. It uses TCP port number 25 for this service. Therefore e-mail; is delivered from...
R – Bar Charts	21 Apr, 2020 A bar chart is a pictorial representation of data that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. In other words, it is the pictorial representation of dataset. These data sets contain the numerical values of variables that repres...	[ { "code": null, "e": 53, "s": 25, "text": "\n21 Apr, 2020" }, { "code": null, "e": 386, "s": 53, "text": "A bar chart is a pictorial representation of data that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent....
Count minimum number of subsets (or subsequences) with consecutive numbers	06 Jul, 2022 Given an array of distinct positive numbers, the task is to calculate the number of subsets (or subsequences) from the array such that each subset contains consecutive numbers. Examples: Input : arr[] = {100, 56, 5, 6, 102, 58, 101, 57, 7, 103, 59} Output : 3 {5, 6, 7}, { 56,...	[ { "code": null, "e": 52, "s": 24, "text": "\n06 Jul, 2022" }, { "code": null, "e": 229, "s": 52, "text": "Given an array of distinct positive numbers, the task is to calculate the number of subsets (or subsequences) from the array such that each subset contains consecutive number...
How to create Donghnut chart in react using material UI and DevExpress ?	19 Jul, 2021 DevExpress: DevExpress is a package for controlling and building the user interface of the Window, Mobile, and other applications. Doughnut Charts: Doughnut charts are the modified version of Pie Charts with the area of center cut out. A donut is more concerned about the use of an area of arcs to represent...	[ { "code": null, "e": 28, "s": 0, "text": "\n19 Jul, 2021" }, { "code": null, "e": 159, "s": 28, "text": "DevExpress: DevExpress is a package for controlling and building the user interface of the Window, Mobile, and other applications." }, { "code": null, "e": 478, ...
Josephus problem \| Set 1 (A O(n) Solution)	07 Jun, 2022 In computer science and mathematics, the Josephus Problem (or Josephus permutation) is a theoretical problem. Following is the problem statement: There are n people standing in a circle waiting to be executed. The counting out begins at some point in the circle and proceeds around the circle in a fixed dir...	[ { "code": null, "e": 54, "s": 26, "text": "\n07 Jun, 2022" }, { "code": null, "e": 200, "s": 54, "text": "In computer science and mathematics, the Josephus Problem (or Josephus permutation) is a theoretical problem. Following is the problem statement:" }, { "code": null, ...
SAP ABAP - Nested If Statement	It is always legal to nest IF....ELSE statements, which means you can use one IF or ELSEIF statement inside another IF or ELSEIF statement. The syntax for a nested IF....ELSE statement is as follows − IF<condition_1>. <statement block>. IF<condition_2>. <statement block>. ELSE. <statement block>. ENDIF. ELSE ...	[ { "code": null, "e": 3172, "s": 3032, "text": "It is always legal to nest IF....ELSE statements, which means you can use one IF or ELSEIF statement inside another IF or ELSEIF statement." }, { "code": null, "e": 3233, "s": 3172, "text": "The syntax for a nested IF....ELSE stateme...