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How to prevent Reflection to break a Singleton Class Pattern? | A Singleton pattern states that a class can have a single instance and multiple instances are not permitted to be created. For this purpose, we make the constructor of the class a private and return a instance via a static method. But using reflection, we can still create multiple instance of a class by modifying the c... | [
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"text": "A Singleton pattern states that a class can have a single instance and multiple instances are not permitted to be created. For this purpose, we make the constructor of the class a private and return a instance via a static method. But using reflection, ... |
Java program to merge two or more files alternatively into third file | Assume we have three files as β
output1.txt
Hello how are you
output2.txt
Welcome to Tutorialspoint
output3.txt
We provide simply easy learning
Following Java example merges the contents of the above three files alternatively into a single file β
import java.util.Scanner;
public class MergingFiles {
public static vo... | [
{
"code": null,
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"text": "Assume we have three files as β"
},
{
"code": null,
"e": 1106,
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"text": "output1.txt"
},
{
"code": null,
"e": 1124,
"s": 1106,
"text": "Hello how are you"
},
{
"code": null,
"e": 1136,
"s... |
Empowering Docker using Tkinter GUI | by Kasper SchΓΈn Henriksen | Towards Data Science | In several cases, it can be useful to create a Graphical User Interface (GUI) that can be accessed in Docker, for instance when developing machine learning applications where visualizing image and video is desired. However, several steps are required to be able to view the GUI at the host machine. In this article, we w... | [
{
"code": null,
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"text": "In several cases, it can be useful to create a Graphical User Interface (GUI) that can be accessed in Docker, for instance when developing machine learning applications where visualizing image and video is desired. However, several steps are required to b... |
Calculate the CGPA and CGPA % of marks obtained by a Student in N subjects - GeeksforGeeks | 10 Nov, 2021
Given an array arr[] of size N which contains the marks of a student in N subjects, the task is to calculate the CGPA and the CGPA percentage of the student. Note: Consider all marks to be out of 100, for each subject.
CGPA(Cumulative Grade Point Average) is the systematic arrangement in the educational st... | [
{
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"text": "\n10 Nov, 2021"
},
{
"code": null,
"e": 24378,
"s": 24159,
"text": "Given an array arr[] of size N which contains the marks of a student in N subjects, the task is to calculate the CGPA and the CGPA percentage of the student. Note:... |
Build Python Packages Without Publishing | by Max Reynolds | Towards Data Science | Packages in Python allow for seamless distribution of python modules. When we use pip install, we are often downloading a publicly available package from PyPI. Local packages can also be useful for code organization and re-use, allowing you to simply import a module without having to navigate to its directory or re-wri... | [
{
"code": null,
"e": 582,
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"text": "Packages in Python allow for seamless distribution of python modules. When we use pip install, we are often downloading a publicly available package from PyPI. Local packages can also be useful for code organization and re-use, allowing you to simply impo... |
How many types of Result Sets are there in JDBC What are they? | There are two types of result sets namely, forward only and, bidirectional.
Forward only ResultSet: The ResultSet object whose cursor moves only in one direction is known as forward only ResultSet. By default, JDBC result sets are forward-only result sets.
You can move the cursor of the forward only ResultSets using th... | [
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"text": "There are two types of result sets namely, forward only and, bidirectional."
},
{
"code": null,
"e": 1319,
"s": 1138,
"text": "Forward only ResultSet: The ResultSet object whose cursor moves only in one direction is known as forward ... |
Advantages of vector over array in C++ - GeeksforGeeks | 30 Oct, 2018
We have already discussed arrays and vectors. In this post, we will discuss advantages of vector over normal array.
Advantages of Vector over arrays :
Vector is template class and is C++ only construct whereas arrays are built-in language construct and present in both C and C++.Vector are implemented as dy... | [
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"text": "\n30 Oct, 2018"
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"text": "We have already discussed arrays and vectors. In this post, we will discuss advantages of vector over normal array."
},
{
"code": null,
"e": 26328,
... |
K-Means Clustering in SAS. What is Clustering? | by Dhilip Subramanian | Towards Data Science | What is Clustering?
βClustering is the process of dividing the datasets into groups, consisting of similar data-pointsβ. Clustering is a type of unsupervised machine learning, which is used when you have unlabeled data.
Letβs understand in the real scenario,
Group of diners sitting in a restaurant. Letβs say two tables... | [
{
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"text": "What is Clustering?"
},
{
"code": null,
"e": 266,
"s": 66,
"text": "βClustering is the process of dividing the datasets into groups, consisting of similar data-pointsβ. Clustering is a type of unsupervised machine learning, which is used... |
Find minimum possible size of array with given rules for removing elements - GeeksforGeeks | 16 Sep, 2021
Given an array of numbers and a constant k, minimize size of array with following rules for removing elements.
Exactly three elements can be removed at one go.
The removed three elements must be adjacent in array, i.e., arr[i], arr[i+1], arr[i+2]. And the second element must be k greater than first and th... | [
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"text": "\n16 Sep, 2021"
},
{
"code": null,
"e": 24808,
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"text": "Given an array of numbers and a constant k, minimize size of array with following rules for removing elements. "
},
{
"code": null,
"e": 24857,
"s"... |
Angular ng Bootstrap Popover Component - GeeksforGeeks | 06 Jul, 2021
Angular ng bootstrap is a bootstrap framework used with angular to create components with great styling and this framework is very easy to use and is used to make responsive websites.
In this article we will know how to use Popover in angular ng bootstrap. Popover is used to make a button that will be pop ... | [
{
"code": null,
"e": 26354,
"s": 26326,
"text": "\n06 Jul, 2021"
},
{
"code": null,
"e": 26538,
"s": 26354,
"text": "Angular ng bootstrap is a bootstrap framework used with angular to create components with great styling and this framework is very easy to use and is used to make ... |
Merge k Sorted Lists in Python | Suppose we have some lists, these are sorted. We have to merge these lists into one list. To solve this, we will use the heap data structure. So if the lists are [1,4,5], [1,3,4], [2,6], then the final list will be [1,1,2,3,4,4,5,6].
To solve this, we will follow these steps β
make one heap
make one heap
for each linke... | [
{
"code": null,
"e": 1296,
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"text": "Suppose we have some lists, these are sorted. We have to merge these lists into one list. To solve this, we will use the heap data structure. So if the lists are [1,4,5], [1,3,4], [2,6], then the final list will be [1,1,2,3,4,4,5,6]."
},
{
"code... |
How to install Scala on Windows? - GeeksforGeeks | 05 Oct, 2021
Prerequisite: Introduction to Scala Before, we start with the process of Installing Scala on our System, we must have first-hand knowledge of What the Scala Language is and what it actually does? Scala is a general-purpose, high-level, multi-paradigm programming language. It is a pure object-oriented progr... | [
{
"code": null,
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"text": "\n05 Oct, 2021"
},
{
"code": null,
"e": 26596,
"s": 25561,
"text": "Prerequisite: Introduction to Scala Before, we start with the process of Installing Scala on our System, we must have first-hand knowledge of What the Scala Langua... |
Outlier Detection: An ETL Tutorial with Spark | by Edward Elson Kosasih | Towards Data Science | Part of the Industry 4.0 framework is to make sure that manufacturers have more visibility over whatβs going on with their machines in the factory floors. This is why Industry 4.0 works tightly with Internet of Things. IoT allows large scale real-time data collection from sensors that are installed in production equipm... | [
{
"code": null,
"e": 829,
"s": 172,
"text": "Part of the Industry 4.0 framework is to make sure that manufacturers have more visibility over whatβs going on with their machines in the factory floors. This is why Industry 4.0 works tightly with Internet of Things. IoT allows large scale real-time dat... |
Comparator naturalOrder() method in Java with examples - GeeksforGeeks | 29 Apr, 2019
The naturalOrder() method of Comparator Interface in Java returns a comparator that use to compare Comparable objects in natural order. The returned comparator by this method is serializable and throws NullPointerException when comparing null.
Syntax:
static <T extends Comparable<T>>
Comparator<T> nat... | [
{
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"s": 23920,
"text": "\n29 Apr, 2019"
},
{
"code": null,
"e": 24192,
"s": 23948,
"text": "The naturalOrder() method of Comparator Interface in Java returns a comparator that use to compare Comparable objects in natural order. The returned comparator by ... |
CopyOnWriteArrayList remove() method in Java with Examples - GeeksforGeeks | 06 Jan, 2020
The remove()method of CopyOnArrayList in Javais used to remove the element in the list.
Syntax:
1. public E remove(int index)
2. public boolean remove(Object o)
The remove(int index) method of CopyOnArrayList in Java is used to remove the element at the specified position in the list.
Syntax:
public E rem... | [
{
"code": null,
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"s": 24071,
"text": "\n06 Jan, 2020"
},
{
"code": null,
"e": 24187,
"s": 24099,
"text": "The remove()method of CopyOnArrayList in Javais used to remove the element in the list."
},
{
"code": null,
"e": 24195,
"s": 24187,
"text": "Sy... |
Confidence Intervals Explained Simply for Data Scientists | by Rahul Agarwal | Towards Data Science | Recently, I got asked about how to explain confidence intervals in simple terms to a layperson. I found that it is hard to do that.
Confidence Intervals are always a headache to explain even to someone who knows about them, let alone someone who doesnβt understand statistics.
I went to Wikipedia to find something and h... | [
{
"code": null,
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"text": "Recently, I got asked about how to explain confidence intervals in simple terms to a layperson. I found that it is hard to do that."
},
{
"code": null,
"e": 449,
"s": 304,
"text": "Confidence Intervals are always a headache to explain ... |
How to get the width of scroll bar using JavaScript ? - GeeksforGeeks | 05 Sep, 2019
Given an HTML document and the task is to get the width of the scrollbar using JavaScript. There are two different approach to solve this problem which are discussed below:
Approach 1:
Create an element (div) containing scrollbar.
OffsetWidth defines the width of an element + scrollbar width.
ClientWidth d... | [
{
"code": null,
"e": 24909,
"s": 24881,
"text": "\n05 Sep, 2019"
},
{
"code": null,
"e": 25082,
"s": 24909,
"text": "Given an HTML document and the task is to get the width of the scrollbar using JavaScript. There are two different approach to solve this problem which are discuss... |
C/C++ For loop with Examples - GeeksforGeeks | 22 Nov, 2019
Loops in C/C++ come into use when we need to repeatedly execute a block of statements.
For loop is a repetition control structure which allows us to write a loop that is executed a specific number of times. The loop enables us to perform n number of steps together in one line.
Syntax:
for (initialization e... | [
{
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"text": "\n22 Nov, 2019"
},
{
"code": null,
"e": 24319,
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"text": "Loops in C/C++ come into use when we need to repeatedly execute a block of statements."
},
{
"code": null,
"e": 24510,
"s": 24319,
"text": "For... |
Five Cool Python Looping Tips. 5 Tips to help your iterative looping... | by Emmett Boudreau | Towards Data Science | For loops are likely to be one of the first concepts that a new Python programmer will pick up. This is for good reason because for loops can do a lot of things with data without getting crafty. However, often it can be easy to get your mind stuck in the world of simple iteration and not take advantage of some of the m... | [
{
"code": null,
"e": 743,
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"text": "For loops are likely to be one of the first concepts that a new Python programmer will pick up. This is for good reason because for loops can do a lot of things with data without getting crafty. However, often it can be easy to get your mind stuck in the ... |
Python | Convert column to separate elements in list of lists - GeeksforGeeks | 11 Jun, 2021
There are instances in which we might require to extract a particular column of a Matrix and assign its each value as separate entity in list and this generally has a utility in Machine Learning domain. Letβs discuss certain ways in which this action can be performed.Method #1 : Using list slicing and list... | [
{
"code": null,
"e": 24540,
"s": 24512,
"text": "\n11 Jun, 2021"
},
{
"code": null,
"e": 25062,
"s": 24540,
"text": "There are instances in which we might require to extract a particular column of a Matrix and assign its each value as separate entity in list and this generally ha... |
Adding Colors to Charts in R Programming - GeeksforGeeks | 09 Dec, 2021
R Programming language is mostly used for statistics and data analytics purposes to represent the data graphically in the software. To represent those data graphically, charts and graphs are used in R.
There are hundreds of charts and graphs present in R. For example, bar plot, box plot, mosaic plot, dot ... | [
{
"code": null,
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"text": "\n09 Dec, 2021"
},
{
"code": null,
"e": 26690,
"s": 26487,
"text": "R Programming language is mostly used for statistics and data analytics purposes to represent the data graphically in the software. To represent those data graphic... |
Python | Scipy stats.hypsecant.ppf() method - GeeksforGeeks | 10 Feb, 2020
With the help of stats.hypsecant.ppf() method, we can get the value of percentage point function which is inverse( cdf ) by using stats.hypsecant.ppf() method.
Syntax : stats.hypsecant.ppf(x, beta)Return : Return the value of percentage point function.
Example #1 :In this example we can see that by using s... | [
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"text": "\n10 Feb, 2020"
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"code": null,
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"text": "With the help of stats.hypsecant.ppf() method, we can get the value of percentage point function which is inverse( cdf ) by using stats.hypsecant.ppf() method."
... |
Decimal Functions in Python | In Python, there is a module called Decimal, which is used to do some decimal floating point related tasks. This module provides correctly-rounded floating point arithmetic.
To use it at first we need to import it the Decimal standard library module.
import decimal
In this section we will see some important functions ... | [
{
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"text": "In Python, there is a module called Decimal, which is used to do some decimal floating point related tasks. This module provides correctly-rounded floating point arithmetic."
},
{
"code": null,
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"text": "To use i... |
HBase - Delete Data | Using the delete command, you can delete a specific cell in a table. The syntax of delete command is as follows:
delete β<table name>β, β<row>β, β<column name >β, β<time stamp>β
Here is an example to delete a specific cell. Here we are deleting the salary.
hbase(main):006:0> delete 'emp', '1', 'personal data:city',
14... | [
{
"code": null,
"e": 2150,
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"text": "Using the delete command, you can delete a specific cell in a table. The syntax of delete command is as follows:"
},
{
"code": null,
"e": 2216,
"s": 2150,
"text": "delete β<table name>β, β<row>β, β<column name >β, β<time stamp>β\n"
... |
Getting Started with Breakpoints Analysis in Python | by Angelica Lo Duca | Towards Data Science | When dealing with time series, it is very important to identify breakpoints. In fact, the presence of breakpoints in data may lead to errors and model instability while performing predictions.
A breakpoint is a structural change in data, such as an anomaly or an expected event.
Many techniques exist to identify breakpo... | [
{
"code": null,
"e": 365,
"s": 172,
"text": "When dealing with time series, it is very important to identify breakpoints. In fact, the presence of breakpoints in data may lead to errors and model instability while performing predictions."
},
{
"code": null,
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Change Background color of a web page using onmouseover property | The onmouseover property allows you set a script when the mouse pointer is moved onto an element. To change the background color, use the HTML DOM backgroundColor property.
Let us see an example to implement the onmouseover property and change the background color β
Live Demo
<!DOCTYPE html>
<html>
<body>
<h2>Heading ... | [
{
"code": null,
"e": 1235,
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"text": "The onmouseover property allows you set a script when the mouse pointer is moved onto an element. To change the background color, use the HTML DOM backgroundColor property."
},
{
"code": null,
"e": 1329,
"s": 1235,
"text": "Let us se... |
Example program on Dynamic memory allocation function in C language | How to display and calculate the sum of n numbers by using dynamic memory allocation function in C language?
Following is the C program to display the elements and calculate the sum of n numbers by the user by using dynamic memory allocation functions. Here, we also try to reduce the wastage of memory.
Live Demo
#incl... | [
{
"code": null,
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"text": "How to display and calculate the sum of n numbers by using dynamic memory allocation function in C language?"
},
{
"code": null,
"e": 1366,
"s": 1171,
"text": "Following is the C program to display the elements and calculate the sum ... |
\leftrightharpoons - Tex Command | \leftrightharpoons - Used to draw leftrightharpoons symbol.
{ \leftrightharpoons }
\leftrightharpoons command is used to draw leftrightharpoons symbol.
\leftrightharpoons
β
\leftrightharpoons
β
\leftrightharpoons
14 Lectures
52 mins
Ashraf Said
11 Lectures
1 hours
Ashraf Said
9 L... | [
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"text": "\\leftrightharpoons - Used to draw leftrightharpoons symbol."
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"text": "{ \\leftrightharpoons }"
},
{
"code": null,
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"text": "\\leftrightharpoons comman... |
Cleaning and Exploring Data with the βjanitorβ Package | by Emily A. Halford | Towards Data Science | The janitor package is available on CRAN and was created by Sam Firke, Bill Denney, Chris Haid, Ryan Knight, Malte Grosser, and Jonathan Zadra. While arguably best known for its extraordinarily useful clean_names() function (which I will be covering later on in this article), the janitor package has a wide range of fun... | [
{
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"text": "The janitor package is available on CRAN and was created by Sam Firke, Bill Denney, Chris Haid, Ryan Knight, Malte Grosser, and Jonathan Zadra. While arguably best known for its extraordinarily useful clean_names() function (which I will be covering later... |
Count Primes in Python | Suppose we have a limit n. We have to count the number of primes present in the range 2 to n. So if n = 10, the result will be 4. As there are four primes before 10, they are 2, 3, 5, 7.
To solve this, we will follow this approach β
count = 0
take one array prime = of size n + 1, and fill it with False
for i = 0 to n, ... | [
{
"code": null,
"e": 1249,
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"text": "Suppose we have a limit n. We have to count the number of primes present in the range 2 to n. So if n = 10, the result will be 4. As there are four primes before 10, they are 2, 3, 5, 7."
},
{
"code": null,
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"tex... |
How to use UICollectionView in Swift? | To use collection view in swift, first, we need to create a collection View. We can either drag and drop it to the storyboard, or we can make it programmatically. After that, we need to confirm our class to UICollectionViewDataSource and UICollectionViewDelegate. Also if we need custom cell size and layouts, we need to... | [
{
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"text": "To use collection view in swift, first, we need to create a collection View. We can either drag and drop it to the storyboard, or we can make it programmatically. After that, we need to confirm our class to UICollectionViewDataSource and UICollectionVie... |
A comprehensive and practical guide to Image Processing and Computer Vision using Python: Part 1 (Introduction) | by Pranav Natekar | Towards Data Science | Todayβs world is the data-driven world and images form a significant part of it.
Over 2.5 quintillion bytes of data are created every single day, and itβs only going to grow from there. By 2020, itβs estimated that 1.7MB of data will be created every second for every person on earth.
β https://www.domo.com/solution/dat... | [
{
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"text": "Todayβs world is the data-driven world and images form a significant part of it."
},
{
"code": null,
"e": 457,
"s": 253,
"text": "Over 2.5 quintillion bytes of data are created every single day, and itβs only going to grow from there. ... |
Amplitude Modulation based on Depth of Modulation(Modulation Factor) using GNU Octave - GeeksforGeeks | 17 Feb, 2021
Modulation in communication systems is a widely used process in which characteristics like amplitude, frequency, or phase angle of a high-frequency carrier wave is varied according to the instantaneous value of the low-frequency message signal.
Amplitude modulation is a modulation technique utilized in ele... | [
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"text": "\n17 Feb, 2021"
},
{
"code": null,
"e": 24419,
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"text": "Modulation in communication systems is a widely used process in which characteristics like amplitude, frequency, or phase angle of a high-frequency carrier wave is... |
How to Alter a Column from Null to Not Null in SQL Server? - GeeksforGeeks | 23 Sep, 2021
With this article, we will learn how to alter a column from accepting Null values to Not Null in SQL Server. The prerequisites of this article are you should be having a MSSQL server on your computer.
A query is a statement or a group of statements written to perform a specific task, like retrieve data, sa... | [
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"code": null,
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"text": "\n23 Sep, 2021"
},
{
"code": null,
"e": 24567,
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"text": "With this article, we will learn how to alter a column from accepting Null values to Not Null in SQL Server. The prerequisites of this article are you should be ha... |
DateTime.AddHours() Method in C# | The DateTime.AddHours() method in C# is used to add the specified number of hours to the value of this instance. This method returns a new DateTime.
Following is the syntax β
public DateTime AddHours (double hrs);
Above, hrs are the number of hours to be added. The value can be negative to subtract the hours.
Let us no... | [
{
"code": null,
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"text": "The DateTime.AddHours() method in C# is used to add the specified number of hours to the value of this instance. This method returns a new DateTime."
},
{
"code": null,
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"text": "Following is the syntax β"
},
... |
Given a sorted array and a number x, find the pair in array whose sum is closest to x - GeeksforGeeks | 31 Oct, 2021
Given a sorted array and a number x, find a pair in an array whose sum is closest to x.
Examples:
Input: arr[] = {10, 22, 28, 29, 30, 40}, x = 54
Output: 22 and 30
Input: arr[] = {1, 3, 4, 7, 10}, x = 15
Output: 4 and 10
A simple solution is to consider every pair and keep track of the closest pair (the a... | [
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"text": "\n31 Oct, 2021"
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"text": "Given a sorted array and a number x, find a pair in an array whose sum is closest to x."
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"code": null,
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"s": 27066,
"text": "Ex... |
Tryit Editor v3.7 | Tryit: Several !important rules | [] |
Why singleton class is always sealed in C#? | The sealed keyword means that the class cannot be inherited from. Declaring constructors private means that instances of the class cannot be created.
You can have a base class with a private constructor, but still inherit from that base class, define some public constructors, and effectively instantiate that base class... | [
{
"code": null,
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"text": "The sealed keyword means that the class cannot be inherited from. Declaring constructors private means that instances of the class cannot be created."
},
{
"code": null,
"e": 1384,
"s": 1212,
"text": "You can have a base class with a... |
Average of Squares of Natural Numbers? | The average of the square of Natural Number is calculated by adding all the squares up to n natural numbers and then dividing it by the number.
Average of square of first 2 natural numbers is 2.5 ,
12 + 22 = 5 => 5/2 = 2.5.
There are two methods for calculating this is programming β
Using Loops
Using Formula
Calculatin... | [
{
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"text": "The average of the square of Natural Number is calculated by adding all the squares up to n natural numbers and then dividing it by the number."
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{
"code": null,
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"text": "Average of square of first 2 natural n... |
Churn Prediction. Churn prediction with XGBoost Binary... | by BarΔ±sΜ§ Karaman | Towards Data Science | This series of articles was designed to explain how to use Python in a simplistic way to fuel your companyβs growth by applying the predictive approach to all your actions. It will be a combination of programming, data analysis, and machine learning.
I will cover all the topics in the following nine articles:
1- Know Y... | [
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"e": 423,
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"text": "This series of articles was designed to explain how to use Python in a simplistic way to fuel your companyβs growth by applying the predictive approach to all your actions. It will be a combination of programming, data analysis, and machine learning."
}... |
Split an array of numbers and push positive numbers to JavaScript array and negative numbers to another? | We have to write a function that takes in an array and returns an object with two properties
namely positive and negative. They both should be an array containing all positive and negative
items respectively from the array.
This one is quite straightforward, we will use the Array.prototype.reduce() method to pick
desir... | [
{
"code": null,
"e": 1286,
"s": 1062,
"text": "We have to write a function that takes in an array and returns an object with two properties\nnamely positive and negative. They both should be an array containing all positive and negative\nitems respectively from the array."
},
{
"code": null,... |
Apex - SOQL | This is Salesforce Object Query Language designed to work with SFDC Database. It can search a record on a given criterion only in single sObject.
Like SOSL, it cannot search across multiple objects but it does support nested queries.
Consider our ongoing example of Chemical Company. Suppose, we need a list of records w... | [
{
"code": null,
"e": 2198,
"s": 2052,
"text": "This is Salesforce Object Query Language designed to work with SFDC Database. It can search a record on a given criterion only in single sObject."
},
{
"code": null,
"e": 2286,
"s": 2198,
"text": "Like SOSL, it cannot search across m... |
What are variable arguments in java? | While defining a method, In general, we will specify the arguments it accepts along with the type as β
myMethod(int a, String b){
}
Suppose if you need to accept more than one variable of the same type you need to specify the variables one after the other as β
myMethod(int a, int b, int c){
}
You can also pass a variab... | [
{
"code": null,
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"text": "While defining a method, In general, we will specify the arguments it accepts along with the type as β"
},
{
"code": null,
"e": 1194,
"s": 1165,
"text": "myMethod(int a, String b){\n}"
},
{
"code": null,
"e": 1323,
"s... |
How to increase the width of the median line in boxplot using ggplot2 in R? | The default width of the median line is wider than the rest of the lines that represent minimum, first quartile, third quartile or maximum but we can make it a little wider to make it more appealing. This can be done with the help of fatten argument inside geom_boxplot function, the default value of fatten is 2.
Live ... | [
{
"code": null,
"e": 1376,
"s": 1062,
"text": "The default width of the median line is wider than the rest of the lines that represent minimum, first quartile, third quartile or maximum but we can make it a little wider to make it more appealing. This can be done with the help of fatten argument ins... |
5 Outlier Detection Techniques that every βData Enthusiastβ Must Know | by Prakhar Mishra | Towards Data Science | Outliers are those observations that differ strongly(different properties) from the other data points in the sample of a population. In this blog, we will go through 5 Outlier Detection techniques that every βData Enthusiastβ must know. But before that letβs take a look and understand the source of outliers.
There are ... | [
{
"code": null,
"e": 482,
"s": 172,
"text": "Outliers are those observations that differ strongly(different properties) from the other data points in the sample of a population. In this blog, we will go through 5 Outlier Detection techniques that every βData Enthusiastβ must know. But before that le... |
What is the use of the Configure() method of startup class in C# Asp.net Core? | The configure method is present inside startup class of ASP.NET Core application
The Configure method is a place where you can configure application request pipeline
for your application using IApplicationBuilder instance that is provided by the built-in
IoC container
The Configure method by default has these three par... | [
{
"code": null,
"e": 1143,
"s": 1062,
"text": "The configure method is present inside startup class of ASP.NET Core application"
},
{
"code": null,
"e": 1331,
"s": 1143,
"text": "The Configure method is a place where you can configure application request pipeline\nfor your applic... |
How to find row minimum for an R data frame? | Data analysis is a difficult task because it has so much variation in terms of the smaller objectives of a big project. One of the smallest tasks could be finding the minimum value in each row contained in a data frame. For this purpose, we cam use apply function and pass the FUN argument as min so that we can get mini... | [
{
"code": null,
"e": 1394,
"s": 1062,
"text": "Data analysis is a difficult task because it has so much variation in terms of the smaller objectives of a big project. One of the smallest tasks could be finding the minimum value in each row contained in a data frame. For this purpose, we cam use appl... |
How to Format a Hard Disk on Linux OS | In this article, we will learn how to add a new hard disk drive to Linux OS, Assuming the drive is visible to the BIOS, it should automatically be detected by the operating system. Typically, the disk drives in a system is assigned to a device name beginning with βhdβ or βsdβ followed by a letter to indicate the device... | [
{
"code": null,
"e": 1471,
"s": 1062,
"text": "In this article, we will learn how to add a new hard disk drive to Linux OS, Assuming the drive is visible to the BIOS, it should automatically be detected by the operating system. Typically, the disk drives in a system is assigned to a device name begi... |
Fibonacci Heap | Set 1 (Introduction) | 28 Jun, 2022
Heaps are mainly used for implementing priority queue. We have discussed below heaps in previous posts.
Binary Heap
Binomial Heap
In terms of Time Complexity, Fibonacci Heap beats both Binary and Binomial Heaps.
Below are amortized time complexities of Fibonacci Heap.
1) Find Min: Ξ(1) [Same ... | [
{
"code": null,
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"s": 26,
"text": "\n28 Jun, 2022"
},
{
"code": null,
"e": 159,
"s": 54,
"text": "Heaps are mainly used for implementing priority queue. We have discussed below heaps in previous posts. "
},
{
"code": null,
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"s": 159,
"text": "... |
Flatten BST to sorted list | Increasing order | 17 Dec, 2021
Given a binary search tree, the task is to flatten it to a sorted list. Precisely, the value of each node must be lesser than the values of all the nodes at its right, and its left node must be NULL after flattening. We must do it in O(H) extra space where βHβ is the height of BST.
Examples:
Input:
... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n17 Dec, 2021"
},
{
"code": null,
"e": 337,
"s": 54,
"text": "Given a binary search tree, the task is to flatten it to a sorted list. Precisely, the value of each node must be lesser than the values of all the nodes at its right, and it... |
strtof function in C | 22 Jul, 2019
Parses the C-string str(assumed) interpreting its content as a floating-point number (according to the current locale ) and returns its value as a float. If endptr(end pointer) is not a null pointer, the function also sets the value of endptr to point to the first character after the number.
Syntax:
strtof... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n22 Jul, 2019"
},
{
"code": null,
"e": 345,
"s": 52,
"text": "Parses the C-string str(assumed) interpreting its content as a floating-point number (according to the current locale ) and returns its value as a float. If endptr(end pointe... |
Mahotas β Haar Transform | 10 Jun, 2021
In this article we will see how we can do image haar transform in mahotas. The haar wavelet is a sequence of rescaled βsquare-shapedβ functions which together form a wavelet family or basis. Wavelet analysis is similar to Fourier analysis in that it allows a target function over an interval to be represent... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n10 Jun, 2021"
},
{
"code": null,
"e": 568,
"s": 28,
"text": "In this article we will see how we can do image haar transform in mahotas. The haar wavelet is a sequence of rescaled βsquare-shapedβ functions which together form a wavelet f... |
Recursive selection sort for singly linked list | Swapping node links | 30 Mar, 2022
Given a singly linked list containing n nodes. The problem is to sort the list using the recursive selection sort technique. The approach should be such that it involves swapping node links instead of swapping node data.
Examples:
Input : 10 -> 12 -> 8 -> 4 -> 6
Output : 4 -> 6 -> 8 -> 10 -> 12
In Sele... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n30 Mar, 2022"
},
{
"code": null,
"e": 275,
"s": 52,
"text": "Given a singly linked list containing n nodes. The problem is to sort the list using the recursive selection sort technique. The approach should be such that it involves swap... |
oct() function in Python | 22 Sep, 2021
Python oct() function is one of the built-in methods, it takes an integer and returns the octal representation in a string format.
Syntax : oct(x)
Parameters :
x β Must be an integer number and can be in either binary, decimal or hexadecimal format.
Returns : octal representation of the value.
Errors and E... | [
{
"code": null,
"e": 54,
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"text": "\n22 Sep, 2021"
},
{
"code": null,
"e": 185,
"s": 54,
"text": "Python oct() function is one of the built-in methods, it takes an integer and returns the octal representation in a string format."
},
{
"code": null,
"e": 201,
... |
Node.js fs.access() Method | 27 Jan, 2022
The fs.access() method is used to test the permissions of a given file or directory. The permissions to be checked can be specified as a parameter using file access constants. It is also possible to check multiple file permissions by using the bitwise OR operator to create a mask with more than one file co... | [
{
"code": null,
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"s": 0,
"text": "\n27 Jan, 2022"
},
{
"code": null,
"e": 611,
"s": 28,
"text": "The fs.access() method is used to test the permissions of a given file or directory. The permissions to be checked can be specified as a parameter using file access constants.... |
Decrypt PDF using Java | 02 Nov, 2020
We can Decrypt any PDF using Java by using the external library PDFBox. We can Decrypt and remove the Access Permission from any PDF using JAVA, but we must remember the Owner Password of the PDF to Decrypt it, otherwise, we can not decrypt it.
Approach:
In this program, you will see how you can take an en... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n02 Nov, 2020"
},
{
"code": null,
"e": 297,
"s": 52,
"text": "We can Decrypt any PDF using Java by using the external library PDFBox. We can Decrypt and remove the Access Permission from any PDF using JAVA, but we must remember the Owne... |
Python β Print dictionary of list values | 28 Nov, 2021
In this article, we will print a dictionary of list values. Dictionary of list values means a dictionary contains values as a list of dictionaries
Example:
{βkey1β: [{βkey1β²: value,......,βkey nβ: value}........{βkey1β²: value,......,βkey nβ: value}}],
ββββββββ
ββββββββ
βkeynβ: [{βkey1β²: value,......,βkey ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n28 Nov, 2021"
},
{
"code": null,
"e": 176,
"s": 28,
"text": "In this article, we will print a dictionary of list values. Dictionary of list values means a dictionary contains values as a list of dictionaries"
},
{
"code": null,... |
Maximum Subarray Sum possible by replacing an Array element by its Square | 23 Jun, 2022
Given an array a[] consisting of N integers, the task is to find the maximum subarray sum that can be obtained by replacing a single array element by its square.
Examples:
Input: a[] = {1, -5, 8, 12, -8} Output: 152 Explanation: Replacing 12 by 144, the subarray {8, 144} generates the maximum possible suba... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n23 Jun, 2022"
},
{
"code": null,
"e": 214,
"s": 52,
"text": "Given an array a[] consisting of N integers, the task is to find the maximum subarray sum that can be obtained by replacing a single array element by its square."
},
{
... |
Java Code for Moving Text | Applet | Thread | 06 Jun, 2018
Before reading this article you need to know the Java Applet Basics and Java.lang.Thread class in Java .
In this article we shall be explaining the code to display moving text in Java. To print the string in the window we will use the drawString() method from java.awt package. The drawString method takes t... | [
{
"code": null,
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"text": "\n06 Jun, 2018"
},
{
"code": null,
"e": 158,
"s": 53,
"text": "Before reading this article you need to know the Java Applet Basics and Java.lang.Thread class in Java ."
},
{
"code": null,
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"text": "... |
Tryit Editor v3.7 | Tryit: Styling textarea | [] |
How to get services on remote computers with PowerShell? | To get service on the remote computer(s), simply you need to add parameter β ComputerName and provide remote servers computer name or IP address.
In the below example, we are getting services information on remote computer Win7 which has Automatic start-type.
Get-Service -ComputerName Win7 | Where{$_.StartType -eq "Aut... | [
{
"code": null,
"e": 1208,
"s": 1062,
"text": "To get service on the remote computer(s), simply you need to add parameter β ComputerName and provide remote servers computer name or IP address."
},
{
"code": null,
"e": 1322,
"s": 1208,
"text": "In the below example, we are getting... |
How to update a timestamp field of a MySQL table? | Let us first create a table β
mysql> create table DemoTable
-> (
-> PunchOut timestamp,
-> PunchStatus tinyint(1)
-> );
Query OK, 0 rows affected (0.51 sec)
Insert some records in the table using insert command β
mysql> insert into DemoTable values('2019-01-31 6:30:10',1);
Query OK, 1 row affected (0.22 sec... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table β"
},
{
"code": null,
"e": 1231,
"s": 1092,
"text": "mysql> create table DemoTable\n -> (\n -> PunchOut timestamp,\n -> PunchStatus tinyint(1)\n -> );\nQuery OK, 0 rows affected (0.51 sec)"
},
... |
Python - Bernoulli Distribution | The Bernoulli distribution is a special case of the Binomial distribution where a single experiment is conducted so that the number of observation is 1. So, the Bernoulli distribution therefore describes events having exactly two outcomes.
We use various functions in numpy library to mathematically calculate the value... | [
{
"code": null,
"e": 2770,
"s": 2529,
"text": "The Bernoulli distribution is a special case of the Binomial distribution where a single experiment is conducted so that the number of observation is 1. So, the Bernoulli distribution therefore describes events having exactly two outcomes.\n"
},
{
... |
Docker Image tags and how to use them | Docker Image tags are simple labels or aliases given to a docker image before or after building an image to describe that particular image. It can be the version of the project or the container, features of the image, technologies used in the image or pretty much anything you want. It plays a key role in the overall so... | [
{
"code": null,
"e": 1541,
"s": 1062,
"text": "Docker Image tags are simple labels or aliases given to a docker image before or after building an image to describe that particular image. It can be the version of the project or the container, features of the image, technologies used in the image or p... |
Anagram | Practice | GeeksforGeeks | Given two stringsaandbconsisting of lowercase characters. The task is to check whether two given strings are an anagram of each other or not. An anagram of a string is another string that contains the same characters, only the order of characters can be different. For example, act and tac are an anagram of each other.
... | [
{
"code": null,
"e": 558,
"s": 238,
"text": "Given two stringsaandbconsisting of lowercase characters. The task is to check whether two given strings are an anagram of each other or not. An anagram of a string is another string that contains the same characters, only the order of characters can be d... |
Initialize Matrix in Python - GeeksforGeeks | 19 Feb, 2022
There are many ways to declare a 2 dimensional array with given number of rows and columns. Let us look at some of them and also at the small but tricky catches that accompany it. We can do it using list comprehension, concatenation feature of * operator and few other ways.
Method 0: 2 list comprehensions
... | [
{
"code": null,
"e": 24594,
"s": 24566,
"text": "\n19 Feb, 2022"
},
{
"code": null,
"e": 24869,
"s": 24594,
"text": "There are many ways to declare a 2 dimensional array with given number of rows and columns. Let us look at some of them and also at the small but tricky catches th... |
Reverse a sublist of linked list - GeeksforGeeks | 18 Apr, 2022
We are given a linked list and positions m and n. We need to reverse the linked list from position m to n.
Examples:
Input : 10->20->30->40->50->60->70->NULL
m = 3, n = 6
Output : 10->20->60->50->40->30->70->NULL
Input : 1->2->3->4->5->6->NULL
m = 2, n = 4
Output : 1->4->3->2->5->6->N... | [
{
"code": null,
"e": 24297,
"s": 24269,
"text": "\n18 Apr, 2022"
},
{
"code": null,
"e": 24404,
"s": 24297,
"text": "We are given a linked list and positions m and n. We need to reverse the linked list from position m to n."
},
{
"code": null,
"e": 24416,
"s": 244... |
Explain cherry picking in Git | Cherry picking is a way to choose specific commits from one branch and apply them to another branch. This is useful when you want to select specific changes from a pull request.
git cherry-pick {commit_hash}
The above command will cherry pick the commit associated with the specified commit hash to the current branch.
F... | [
{
"code": null,
"e": 1240,
"s": 1062,
"text": "Cherry picking is a way to choose specific commits from one branch and apply them to another branch. This is useful when you want to select specific changes from a pull request."
},
{
"code": null,
"e": 1270,
"s": 1240,
"text": "git ... |
DB2 - LDAP | LDAP is Lightweight Directory Access Protocol. LDAP is a global directory service, industry-standard protocol, which is based on client-server model and runs on a layer above the TCP/IP stack. The LDAP provides a facility to connect to, access, modify, and search the internet directory.
The LDAP servers contain informa... | [
{
"code": null,
"e": 2216,
"s": 1928,
"text": "LDAP is Lightweight Directory Access Protocol. LDAP is a global directory service, industry-standard protocol, which is based on client-server model and runs on a layer above the TCP/IP stack. The LDAP provides a facility to connect to, access, modify, ... |
Extract Rows/Columns from A Dataframe in Python & R | by Yufeng | Towards Data Science | Iβve been working with data for long. However, I sometimes still need to google βHow to extract rows/columns from a data frame in Python/R?β when I change from one language environment to the other.
I am pretty sure that I have done the same for thousands of times, but it seems that my brain refuses to store the comman... | [
{
"code": null,
"e": 371,
"s": 172,
"text": "Iβve been working with data for long. However, I sometimes still need to google βHow to extract rows/columns from a data frame in Python/R?β when I change from one language environment to the other."
},
{
"code": null,
"e": 506,
"s": 371,
... |
AngularJS - Filters | Filters are used to modify the data. They can be clubbed in expression or directives using pipe (|) character. The following list shows the commonly used filters.
uppercase
converts a text to upper case text.
lowercase
converts a text to lower case text.
currency
formats text in a currency format.
filter
filter the arr... | [
{
"code": null,
"e": 2862,
"s": 2699,
"text": "Filters are used to modify the data. They can be clubbed in expression or directives using pipe (|) character. The following list shows the commonly used filters."
},
{
"code": null,
"e": 2872,
"s": 2862,
"text": "uppercase"
},
{... |
How I can dynamically import Python module? | To dynamically import Python modules, you can use the importlib package's import_module(moduleName) function. You need to have moduleName as a string. For example,
>>> from importlib import import_module
>>> moduleName = "os"
>>> globals()[moduleName] = import_module(moduleName)
If you want to dynamically import a list... | [
{
"code": null,
"e": 1226,
"s": 1062,
"text": "To dynamically import Python modules, you can use the importlib package's import_module(moduleName) function. You need to have moduleName as a string. For example,"
},
{
"code": null,
"e": 1342,
"s": 1226,
"text": ">>> from importlib... |
PHP Functions | The real power of PHP comes from its functions.
PHP has more
than 1000 built-in functions, and in addition you can create your own custom
functions.
PHP has over 1000 built-in functions that can be called directly, from within
a script, to perform
a specific task.
Please check out our PHP reference for a complete o... | [
{
"code": null,
"e": 48,
"s": 0,
"text": "The real power of PHP comes from its functions."
},
{
"code": null,
"e": 151,
"s": 48,
"text": "PHP has more \nthan 1000 built-in functions, and in addition you can create your own custom \nfunctions."
},
{
"code": null,
"e": ... |
D3.js timer() function - GeeksforGeeks | 29 Jul, 2020
The D3.timer() function is used to run a timer function after a particular interval of time. The timer will run after a specified delay. The delay given is in milliseconds.
Syntax:
d3.timer(callback, delay);
Parameters: It takes the following two parameters.
callback: It is a function.
delay: It is the del... | [
{
"code": null,
"e": 25535,
"s": 25507,
"text": "\n29 Jul, 2020"
},
{
"code": null,
"e": 25708,
"s": 25535,
"text": "The D3.timer() function is used to run a timer function after a particular interval of time. The timer will run after a specified delay. The delay given is in mill... |
numpy.loadtxt() in Python - GeeksforGeeks | 11 Dec, 2018
numpy.load() in Python is used load data from a text file, with aim to be a fast reader for simple text files.
Note that each row in the text file must have the same number of values.
Syntax: numpy.loadtxt(fname, dtype=βfloatβ, comments=β#β, delimiter=None, converters=None, skiprows=0, usecols=None, unpack... | [
{
"code": null,
"e": 25557,
"s": 25529,
"text": "\n11 Dec, 2018"
},
{
"code": null,
"e": 25668,
"s": 25557,
"text": "numpy.load() in Python is used load data from a text file, with aim to be a fast reader for simple text files."
},
{
"code": null,
"e": 25741,
"s":... |
Flutter - Skeleton Text - GeeksforGeeks | 28 Oct, 2020
In Flutter, the skeleton_text library is used to easily implement skeleton text loading animation. Its main application in a flutter app is to assure its users that the servers are working but running slow, but the content will eventually load. It also enhances the UI if the user connection is slow too.
in... | [
{
"code": null,
"e": 27159,
"s": 27131,
"text": "\n28 Oct, 2020"
},
{
"code": null,
"e": 27464,
"s": 27159,
"text": "In Flutter, the skeleton_text library is used to easily implement skeleton text loading animation. Its main application in a flutter app is to assure its users tha... |
Delete continuous nodes with sum K from a given linked list - GeeksforGeeks | 17 Apr, 2022
Given a singly linked list and an integer K, the task is to remove all the continuous set of nodes whose sum is K from the given linked list. Print the updated linked list after the removal. If no such deletion can occur, print the original Linked list.
Examples:
Input: Linked List: 1 -> 2 -> -3 -> 3 -> ... | [
{
"code": null,
"e": 26383,
"s": 26355,
"text": "\n17 Apr, 2022"
},
{
"code": null,
"e": 26637,
"s": 26383,
"text": "Given a singly linked list and an integer K, the task is to remove all the continuous set of nodes whose sum is K from the given linked list. Print the updated lin... |
How to create bar chart in react using material UI and Devexpress ? - GeeksforGeeks | 19 Jul, 2021
DevExpress: DevExpress is a package for controlling and building the user interface of the Window, Mobile, and other applications.
Bar Charts: 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 ... | [
{
"code": null,
"e": 26567,
"s": 26539,
"text": "\n19 Jul, 2021"
},
{
"code": null,
"e": 26698,
"s": 26567,
"text": "DevExpress: DevExpress is a package for controlling and building the user interface of the Window, Mobile, and other applications."
},
{
"code": null,
... |
Program to convert Number in characters - GeeksforGeeks | 08 Dec, 2021
Given an Integer N. The task is to convert the number in characters.
Examples:
Input: N = 74254 Output: Seven four two five four
Input: N = 23 Output: Two three
An efficient approach:
Reverse the number.Iterate through the reversed number from right to left.Extract the last digit by using modulus, the... | [
{
"code": null,
"e": 25712,
"s": 25684,
"text": "\n08 Dec, 2021"
},
{
"code": null,
"e": 25781,
"s": 25712,
"text": "Given an Integer N. The task is to convert the number in characters."
},
{
"code": null,
"e": 25792,
"s": 25781,
"text": "Examples: "
},
{
... |
Assertions in Java - GeeksforGeeks | 24 Jan, 2022
An assertion allows testing the correctness of any assumptions that have been made in the program. An assertion is achieved using the assert statement in Java. While executing assertion, it is believed to be true. If it fails, JVM throws an error named AssertionError. It is mainly used for testing purposes... | [
{
"code": null,
"e": 25447,
"s": 25419,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 25776,
"s": 25447,
"text": "An assertion allows testing the correctness of any assumptions that have been made in the program. An assertion is achieved using the assert statement in Java. Whi... |
How to Install Jupyter Notebook on MacOS? - GeeksforGeeks | 26 Oct, 2021
>
In this article, we will learn how to install Jupyter Notebook in Python on MacOS.
The Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations, and narrative text. Uses include data cleaning and transformation, nu... | [
{
"code": null,
"e": 26111,
"s": 26083,
"text": "\n26 Oct, 2021"
},
{
"code": null,
"e": 26113,
"s": 26111,
"text": ">"
},
{
"code": null,
"e": 26197,
"s": 26113,
"text": "In this article, we will learn how to install Jupyter Notebook in Python on MacOS. "
}... |
Find postorder traversal of BST from preorder traversal - GeeksforGeeks | 04 Dec, 2021
Given an array representing preorder traversal of BST, print its postorder traversal.
Examples:
Input : 40 30 35 80 100
Output : 35 30 100 80 40
Input : 40 30 32 35 80 90 100 120
Output : 35 32 30 120 100 90 80 40
Prerequisite: Construct BST from given preorder traversal
Simple Approach: A simple soluti... | [
{
"code": null,
"e": 26357,
"s": 26329,
"text": "\n04 Dec, 2021"
},
{
"code": null,
"e": 26444,
"s": 26357,
"text": "Given an array representing preorder traversal of BST, print its postorder traversal. "
},
{
"code": null,
"e": 26455,
"s": 26444,
"text": "Exa... |
How to Scrape all PDF files in a Website? - GeeksforGeeks | 21 Dec, 2021
Prerequisites: Implementing Web Scraping in Python with BeautifulSoup
Web Scraping is a method of extracting data from the website and use that data for other uses. There are several libraries and modules for doing web scraping in Python. In this article, weβll learn how to scrape the PDF files from the w... | [
{
"code": null,
"e": 25537,
"s": 25509,
"text": "\n21 Dec, 2021"
},
{
"code": null,
"e": 25607,
"s": 25537,
"text": "Prerequisites: Implementing Web Scraping in Python with BeautifulSoup"
},
{
"code": null,
"e": 26063,
"s": 25607,
"text": "Web Scraping is a me... |
Running User Interface Thread in Android using Kotlin - GeeksforGeeks | 23 Sep, 2021
User Interface Thread or UI-Thread in Android is a Thread element responsible for updating the layout elements of the application implicitly or explicitly. This means, to update an element or change its attributes in the application layout ie the front-end of the application, one can make use of the UI-Thr... | [
{
"code": null,
"e": 25763,
"s": 25735,
"text": "\n23 Sep, 2021"
},
{
"code": null,
"e": 26076,
"s": 25763,
"text": "User Interface Thread or UI-Thread in Android is a Thread element responsible for updating the layout elements of the application implicitly or explicitly. This me... |
Word Break Problem using Backtracking - GeeksforGeeks | 08 Nov, 2021
Given a valid sentence without any spaces between the words and a dictionary of valid English words, find all possible ways to break the sentence into individual dictionary words.
Example
Consider the following dictionary
{ i, like, sam, sung, samsung, mobile, ice,
and, cream, icecream, man, go, mango... | [
{
"code": null,
"e": 26575,
"s": 26547,
"text": "\n08 Nov, 2021"
},
{
"code": null,
"e": 26755,
"s": 26575,
"text": "Given a valid sentence without any spaces between the words and a dictionary of valid English words, find all possible ways to break the sentence into individual d... |
C++ Program to Count Inversions of size three in a given array - GeeksforGeeks | 30 Dec, 2021
Given an array arr[] of size n. Three elements arr[i], arr[j] and arr[k] form an inversion of size 3 if a[i] > a[j] >a[k] and i < j < k. Find total number of inversions of size 3.Example :
Input: {8, 4, 2, 1}
Output: 4
The four inversions are (8,4,2), (8,4,1), (4,2,1) and (8,2,1).
Input: {9, 6, 4, 5, ... | [
{
"code": null,
"e": 25707,
"s": 25679,
"text": "\n30 Dec, 2021"
},
{
"code": null,
"e": 25898,
"s": 25707,
"text": "Given an array arr[] of size n. Three elements arr[i], arr[j] and arr[k] form an inversion of size 3 if a[i] > a[j] >a[k] and i < j < k. Find total number of inver... |
Binary Number System
| Binary Number System is one the type of Number Representation techniques. It is most popular and used in digital systems. Binary system is used for representing binary quantities which can be represented by any device that has only two operating states or possible conditions. For example, a switch has only two states: ... | [
{
"code": null,
"e": 1397,
"s": 1062,
"text": "Binary Number System is one the type of Number Representation techniques. It is most popular and used in digital systems. Binary system is used for representing binary quantities which can be represented by any device that has only two operating states ... |
Android RecyclerView in Kotlin - GeeksforGeeks | 06 Jun, 2021
In this article, you will know how to implement RecyclerView in Android using Kotlin. Before moving further let us know about RecyclerView. A RecyclerView is an advanced version of ListView with improved performance. When you have a long list of items to show you can use RecyclerView. It has the ability to... | [
{
"code": null,
"e": 25510,
"s": 25482,
"text": "\n06 Jun, 2021"
},
{
"code": null,
"e": 26124,
"s": 25510,
"text": "In this article, you will know how to implement RecyclerView in Android using Kotlin. Before moving further let us know about RecyclerView. A RecyclerView is an ad... |
Check if binary representations of two numbers are anagram - GeeksforGeeks | 28 Mar, 2022
Given two numbers you are required to check whether they are anagrams of each other or not in binary representation.Examples:
Input : a = 8, b = 4
Output : Yes
Binary representations of both
numbers have same 0s and 1s.
Input : a = 4, b = 5
Output : No
Simple Approach:
Find Binary Representation of... | [
{
"code": null,
"e": 26277,
"s": 26249,
"text": "\n28 Mar, 2022"
},
{
"code": null,
"e": 26405,
"s": 26277,
"text": "Given two numbers you are required to check whether they are anagrams of each other or not in binary representation.Examples: "
},
{
"code": null,
"e"... |
C++ | A Speed Breaker | Practice | GeeksforGeeks | Write a program to display the floating number a with a given precision value b.
Example 1:
Input: a = 4.567, b = 2
Output:
4.57
Explanation: Rounding a to two decimal
places.
Example 2:
Input: a = 8.92, b = 3
Output:
8.920
Explanation: Rounding a to three decimal
places.
Your Task:
You dont need to read input. C... | [
{
"code": null,
"e": 307,
"s": 226,
"text": "Write a program to display the floating number a with a given precision value b."
},
{
"code": null,
"e": 318,
"s": 307,
"text": "Example 1:"
},
{
"code": null,
"e": 404,
"s": 318,
"text": "Input: a = 4.567, b = 2\n... |
How to change the color of an icon using jQuery ? - GeeksforGeeks | 18 Oct, 2021
In this article, we will see how to change the color of the icon using jQuery. To change the color of the icon, we will use a jquery method.
jQuery css() method this method is used to change the styling of a particular selector. This method is also can be used for changing the color of the icon. First, we ... | [
{
"code": null,
"e": 27064,
"s": 27036,
"text": "\n18 Oct, 2021"
},
{
"code": null,
"e": 27205,
"s": 27064,
"text": "In this article, we will see how to change the color of the icon using jQuery. To change the color of the icon, we will use a jquery method."
},
{
"code": ... |
PHP | strstr() Function | 02 Nov, 2020
The strstr() function is a built-in function in PHP. It searches for the first occurrence of a string inside another string and displays the portion of the latter starting from the first occurrence of the former in the latter (before if specified). This function is case-sensitive.
Syntax :
strstr( $string... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n02 Nov, 2020"
},
{
"code": null,
"e": 310,
"s": 28,
"text": "The strstr() function is a built-in function in PHP. It searches for the first occurrence of a string inside another string and displays the portion of the latter starting fro... |
Tailwind CSS Transition Property | 23 Mar, 2022
This class accepts lots of value in tailwind CSS in which all the properties are covered in class form. The transition-property class is used to specify the name of the CSS property for which the transition effect will occur. In CSS, we have done that by using the CSS transition-property.
Transition Proper... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n23 Mar, 2022"
},
{
"code": null,
"e": 318,
"s": 28,
"text": "This class accepts lots of value in tailwind CSS in which all the properties are covered in class form. The transition-property class is used to specify the name of the CSS pr... |
How to remove rows based on blanks in a column from a data frame in R? | Sometimes data is incorrectly entered into systems and that is the reason we must be careful while doing data cleaning before proceeding to analysis. A data collector or the sampled unit might enter blank to an answer if he or she does not find an appropriate option for the question. This also happens if the questionna... | [
{
"code": null,
"e": 2005,
"s": 1187,
"text": "Sometimes data is incorrectly entered into systems and that is the reason we must be careful while doing data cleaning before proceeding to analysis. A data collector or the sampled unit might enter blank to an answer if he or she does not find an appro... |
Saving a Networkx graph in GEXF format and visualize using Gephi | 29 Sep, 2021
Prerequisites: Networkx
NetworkX is a Python language software package for the creation, manipulation, and study of the structure, dynamics, and function of complex networks. It is used to study large complex networks represented in form of graphs with nodes and edges. Using networkx we can load and store ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Sep, 2021"
},
{
"code": null,
"e": 52,
"s": 28,
"text": "Prerequisites: Networkx"
},
{
"code": null,
"e": 510,
"s": 52,
"text": "NetworkX is a Python language software package for the creation, manipulation, and s... |
Lex program to check if a Date is valid or not | 03 May, 2019
Problem: Write a Lex program to check if a date is valid or not.
Explanation:Flex (Fast lexical Analyzer Generator) is a tool/computer program for generating lexical analyzers (scanners or lexers) written by Vern Paxson in C around 1987. Lex reads an input stream specifying the lexical analyzer and outputs... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n03 May, 2019"
},
{
"code": null,
"e": 93,
"s": 28,
"text": "Problem: Write a Lex program to check if a date is valid or not."
},
{
"code": null,
"e": 478,
"s": 93,
"text": "Explanation:Flex (Fast lexical Analyzer Gen... |
Express.js router.param() function | 16 Jul, 2020
The parameters of router.param() are name and a function. Where name is the actual name of parameter and function is the callback function. Basically router.param() function triggers the callback function whenever user routes to the parameter. This callback function will be called for only single time in r... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n16 Jul, 2020"
},
{
"code": null,
"e": 411,
"s": 28,
"text": "The parameters of router.param() are name and a function. Where name is the actual name of parameter and function is the callback function. Basically router.param() function t... |
unordered_set insert() function in C++ STL | 23 Jun, 2022
The unordered_set::insert() is a built-in function in C++ STL which is used to insert a new {element} in the unordered_set container. Each element is inserted only if it is not already present in the container (elements in an unordered_set have unique values). The insertion is done automatically at the pos... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n23 Jun, 2022"
},
{
"code": null,
"e": 541,
"s": 54,
"text": "The unordered_set::insert() is a built-in function in C++ STL which is used to insert a new {element} in the unordered_set container. Each element is inserted only if it is n... |
Vector set() Method in Java | 14 Aug, 2018
The Java.util.Vector.set() method is used to replace any particular element in the vector, created using the Vector class, with another element.
Syntax:
Vector.set(int index, Object element)
Parameters: This function accepts two mandatory parameters as shown in the above syntax and described below.
index: ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n14 Aug, 2018"
},
{
"code": null,
"e": 173,
"s": 28,
"text": "The Java.util.Vector.set() method is used to replace any particular element in the vector, created using the Vector class, with another element."
},
{
"code": null,
... |
main and init function in Golang | 05 Sep, 2019
The Go language reserve two functions for special purpose and the functions are main() and init() function.
In Go language, the main package is a special package which is used with the programs that are executable and this package contains main() function. The main() function is a special type of function ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n05 Sep, 2019"
},
{
"code": null,
"e": 136,
"s": 28,
"text": "The Go language reserve two functions for special purpose and the functions are main() and init() function."
},
{
"code": null,
"e": 617,
"s": 136,
"text":... |
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