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Largest hexagon that can be inscribed within a square - GeeksforGeeks | 24 Mar, 2021
Given side of a square a, the task is to find the side of the largest hexagon that can be inscribed within the given square.Examples:
Input: a = 6 Output: 3.1056Input: a = 8 Output: 4.1408
Approach:: Let, the side of the hexagon be x and assume that the side of the square, a gets divided into small... | [
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"text": "Given side of a square a, the task is to find the side of the largest hexagon that can be inscribed within the given square.Examples: "
},
{
"code": null,... |
3D Bubble chart using Plotly in Python - GeeksforGeeks | 10 Jul, 2020
Plotly is a Python library that is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, spreadplot, and many more. It is mainly used in data analysis as well as financial analysis. plotly is an interactive visualization library.
A bub... | [
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"code": null,
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"text": "Plotly is a Python library that is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, sp... |
Navigation in React.js Routing | We have an index.js file as −
import React from 'react'
import ReactDOM from 'react-dom'
import './index.css'
import { Route, Link, BrowserRouter } from 'react-router-dom'
import App from './App'
import AboutUs from './ AboutUs’;
import ContactUs from './ContactUs';
const routs = (
< BrowserRouter >
<div>
... | [
{
"code": null,
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"text": "We have an index.js file as −"
},
{
"code": null,
"e": 1914,
"s": 1092,
"text": "import React from 'react'\nimport ReactDOM from 'react-dom'\nimport './index.css'\nimport { Route, Link, BrowserRouter } from 'react-router-dom'\nimport... |
Espresso Testing Framework - Intents | Android Intent is used to open new activity, either internal (opening a product detail screen from product list screen) or external (like opening a dialer to make a call). Internal intent activity is handled transparently by the espresso testing framework and it does not need any specific work from the user side. Howev... | [
{
"code": null,
"e": 2762,
"s": 1976,
"text": "Android Intent is used to open new activity, either internal (opening a product detail screen from product list screen) or external (like opening a dialer to make a call). Internal intent activity is handled transparently by the espresso testing framewo... |
Permute two arrays such that sum of every pair is greater or equal to K - GeeksforGeeks | 20 May, 2021
Given two arrays of equal size n and an integer k. The task is to permute both arrays such that sum of their corresponding element is greater than or equal to k i.e a[i] + b[i] >= k. The task is print “Yes” if any such permutation exists, otherwise print “No”.Examples :
Input : a[] = {2, 1, 3},
... | [
{
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"code": null,
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"text": "Given two arrays of equal size n and an integer k. The task is to permute both arrays such that sum of their corresponding element is greater than or equal to k i.... |
Output of Java Programs | Set 14 (Constructors) - GeeksforGeeks | 18 May, 2017
Prerequisite – Java Constructors
1) What is the output of the following program?
class Helper{ private int data; private Helper() { data = 5; }}public class Test{ public static void main(String[] args) { Helper help = new Helper(); System.out.println(help.data); }}... | [
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"text": "Prerequisite – Java Constructors"
},
{
"code": null,
"e": 24449,
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"text": "1) What is the output of the following program?"
},
{... |
How to set a tooltip to each column of a JTableHeader in Java? | A JTableHeader is a subclass of JComponent class, When we create a JTable object, the constructor creates a new JTableHeader object to manage the table component's header. A JTable supplies a setTableHeader() method that establishes the table header component's JTableHeader object and a getTableHeader() method that ret... | [
{
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"text": "A JTableHeader is a subclass of JComponent class, When we create a JTable object, the constructor creates a new JTableHeader object to manage the table component's header. A JTable supplies a setTableHeader() method that establishes the table header com... |
Python | Difference between iterable and iterator - GeeksforGeeks | 23 Aug, 2019
Iterable is an object, which one can iterate over. It generates an Iterator when passed to iter() method. Iterator is an object, which is used to iterate over an iterable object using __next__() method. Iterators have __next__() method, which returns the next item of the object.
Note that every iterator is... | [
{
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"text": "Iterable is an object, which one can iterate over. It generates an Iterator when passed to iter() method. Iterator is an object, which is used to iterate over an i... |
Understanding Machine Learning Models Better with Explainable AI | by Devashree Madhugiri | Towards Data Science | It is interesting to decipher the working of Machine Learning through a web-based dashboard. Imagine gaining access to the interactive plots displaying information on model performance, feature importance as well as What-if analysis. What is exciting is that one does not need any web development expertise to build such... | [
{
"code": null,
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"s": 172,
"text": "It is interesting to decipher the working of Machine Learning through a web-based dashboard. Imagine gaining access to the interactive plots displaying information on model performance, feature importance as well as What-if analysis. What is exciting is t... |
Machine Learning and Supply Chain Management: Hand-on Series #1 | by Kaushik Choudhury | Towards Data Science | Machine learning, deep learning and AI are enabling transformational change in all fields from medicine to music. It is helping business from procuring to pay, plan to produce, order to cash and record to report, to uncover optimising opportunities and support decision making which was never possible earlier with tradi... | [
{
"code": null,
"e": 544,
"s": 172,
"text": "Machine learning, deep learning and AI are enabling transformational change in all fields from medicine to music. It is helping business from procuring to pay, plan to produce, order to cash and record to report, to uncover optimising opportunities and su... |
How to pass an entire structure as an argument to function in C? | There are three ways by which the values of structure can be transferred from one function to another. They are as follows −
Passing individual members as arguments to function.
Passing individual members as arguments to function.
Passing entire structure as an argument to function.
Passing entire structure as an argum... | [
{
"code": null,
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"text": "There are three ways by which the values of structure can be transferred from one function to another. They are as follows −"
},
{
"code": null,
"e": 1240,
"s": 1187,
"text": "Passing individual members as arguments to function."
}... |
Swing Examples - Create a Masked TextField | Following example showcase how to create and show a masked text field in swing based application.
We are using the following APIs.
JFormattedTextField − To create a formatted text field.
JFormattedTextField − To create a formatted text field.
MaskFormatter − To create a formatter to allows only characters specified in ... | [
{
"code": null,
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"text": "Following example showcase how to create and show a masked text field in swing based application."
},
{
"code": null,
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"s": 2137,
"text": "We are using the following APIs."
},
{
"code": null,
"e": 2226,
"s":... |
Java 8 static methods in interfaces | An interface can also have static helper methods from Java 8 onwards.
public interface vehicle {
default void print() {
System.out.println("I am a vehicle!");
}
static void blowHorn() {
System.out.println("Blowing horn!!!");
}
}
Live Demo
public class Java8Tester {
public static void main(Str... | [
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"text": "An interface can also have static helper methods from Java 8 onwards."
},
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"code": null,
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"text": "public interface vehicle {\n default void print() {\n System.out.println(\"I am a vehicle!\");\n }\n ... |
How to display HTML5 client-side validation error bubbles? | To display HTML5 client-side validation error bubbles, use the required attribute.
You do not need to have JavaScript for client side validations like empty text box would never be submitted because HTML5 introduced a new attribute called required which would be used as follows and would insist to have a value:
<!DOCTY... | [
{
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"text": "To display HTML5 client-side validation error bubbles, use the required attribute."
},
{
"code": null,
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"s": 1145,
"text": "You do not need to have JavaScript for client side validations like empty text box would never be s... |
How To Analyse Multiple Time Series Variables | by Jiahui Wang | Towards Data Science | Welcome back! This is the 3rd post in the post series to explore analysing and modeling time series data with Python code. In the 1st post, we have discussed fundamental statistics: Time Series Modeling With Python Code: Fundamental Statistics. The 2nd post has covered the analysis of a single time series variable: Tim... | [
{
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"text": "Welcome back! This is the 3rd post in the post series to explore analysing and modeling time series data with Python code. In the 1st post, we have discussed fundamental statistics: Time Series Modeling With Python Code: Fundamental Statistics. The 2nd po... |
Applications of various Automata - GeeksforGeeks | 20 Nov, 2019
Automata is a machine that can accept the Strings of a Language L over an input alphabet .So far we are familiar with the Types of Automata . Now, let us discuss the expressive power of Automata and further understand its Applications.
Expressive Power of various Automata:The Expressive Power of any machin... | [
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"text": "Automata is a machine that can accept the Strings of a Language L over an input alphabet .So far we are familiar with the Types of Automata . Now, let us discuss t... |
Scala Collections - FoldRight Method | foldRight() method is a member of TraversableOnce trait, it is used to collapse elements of collections. It navigates elements from Right to Left order.
The following is the syntax of foldRight method.
def foldRight[B](z: B)(op: (B, A) ? B): B
Here, fold method takes associative binary operator function as a parameter... | [
{
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"text": "foldRight() method is a member of TraversableOnce trait, it is used to collapse elements of collections. It navigates elements from Right to Left order."
},
{
"code": null,
"e": 3084,
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"text": "The following is the syntax o... |
Develop Notepad using Tkinter in python | Tkinter is a GUI library from python from which we can create multiple GUI apps. Here, using tkinter we will develop a notepad like text editor. This notepad will have the menu where we can create new file, open existing file, save the file, editing, cut and paste, all functionality will there.
Prerequisite
Python inst... | [
{
"code": null,
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"text": "Tkinter is a GUI library from python from which we can create multiple GUI apps. Here, using tkinter we will develop a notepad like text editor. This notepad will have the menu where we can create new file, open existing file, save the file, editing, cu... |
Difference between GET and POST request in Vanilla JavaScript - GeeksforGeeks | 24 Nov, 2021
In this article, we will learn about the GET & POST request method in vanilla Javascript, & will also understand these 2 methods through the examples.
GET and POST is two different types of HTTP request methods. HTTP protocol supports many methods to transfer data from the server or perform any operation o... | [
{
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"text": "\n24 Nov, 2021"
},
{
"code": null,
"e": 26831,
"s": 26680,
"text": "In this article, we will learn about the GET & POST request method in vanilla Javascript, & will also understand these 2 methods through the examples."
},
{
... |
How to Change Position of ggplot Title in R ? - GeeksforGeeks | 30 May, 2021
In this article, we will discuss how to change the position of title in a plot using ggplot in R Programming Language. ggtitle() function can be used to give an appropriate title to a plot.
Syntax:
ggtitle("title")
By Default the title is left aligned. Thus, if the requirement is a left-aligned title nothi... | [
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"text": "\n30 May, 2021"
},
{
"code": null,
"e": 26677,
"s": 26487,
"text": "In this article, we will discuss how to change the position of title in a plot using ggplot in R Programming Language. ggtitle() function can be used to give an ap... |
Clone a stack without extra space - GeeksforGeeks | 09 Aug, 2021
Given a source stack, copy the contents of the source stack to destination stack maintaining the same order without using extra space.Examples:
Input : Source:- |3|
|2|
|1|
Output : Destination:- |3|
|2|
|1|
Input : Source:-... | [
{
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"text": "\n09 Aug, 2021"
},
{
"code": null,
"e": 25105,
"s": 24960,
"text": "Given a source stack, copy the contents of the source stack to destination stack maintaining the same order without using extra space.Examples: "
},
{
"cod... |
Count inversion pairs in a matrix - GeeksforGeeks | 20 Mar, 2020
Given a matrix A of size NxN, we need to find the number of inversion pairs in it. Inversion count in a matrix is defined as the number of pairs satisfying the following conditions :
x1 ≤ x2
y1 ≤ y2
A[x2][y2] < A[x1][y1]
Constraints :
1 ≤ Ai,j ≤ 109
1 ≤ N ≤ 103
Examples:
For simplicity, let's take a 2x2 ma... | [
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"code": null,
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"text": "Given a matrix A of size NxN, we need to find the number of inversion pairs in it. Inversion count in a matrix is defined as the number of pairs satisfying the fol... |
Classifying emotions using audio recordings and Python | by Tal Baram | Towards Data Science | Emotion recognition technologies have been widely used in a variety of different applications in the past few years and seem to be only growing more popular in today’s industry. from psychological studies to advanced analysis of customer needs, it seems like the potential of these technologies is inexhaustible. Yet, th... | [
{
"code": null,
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"s": 172,
"text": "Emotion recognition technologies have been widely used in a variety of different applications in the past few years and seem to be only growing more popular in today’s industry. from psychological studies to advanced analysis of customer needs, it seems l... |
Find the repeating and the missing number using two equations - GeeksforGeeks | 11 Aug, 2021
Given an array arr[] of size N, each integer from the range [1, N] appears exactly once except A which appears twice and B which is missing. The task is to find the numbers A and B.Examples:
Input: arr[] = {1, 2, 2, 3, 4} Output: A = 2 B = 5Input: arr[] = {5, 3, 4, 1, 1} Output: A = 1 B = 2
Approach:... | [
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"code": null,
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"text": "Given an array arr[] of size N, each integer from the range [1, N] appears exactly once except A which appears twice and B which is missing. The task is to find th... |
Python Assignment Operators Example | Assume variable a holds 10 and variable b holds 20, then −
Assume variable a holds 10 and variable b holds 20, then −
#!/usr/bin/python
a = 21
b = 10
c = 0
c = a + b
print "Line 1 - Value of c is ", c
c += a
print "Line 2 - Value of c is ", c
c *= a
print "Line 3 - Value of c is ", c
c /= a
print "Line 4 - Valu... | [
{
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"text": "Assume variable a holds 10 and variable b holds 20, then −"
},
{
"code": null,
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"text": "Assume variable a holds 10 and variable b holds 20, then −"
},
{
"code": null,
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"t... |
Introduction to Time Series Forecasting | by Shweta | Towards Data Science | Time Series is a unique field. It is a Science in itself. Experts quote ‘A good forecast is a blessing while a wrong forecast can prove to be dangerous’. This article aims to introduce the basic concepts of time series and briefly discusses the popular methods used to forecast time series data.
A time series data is th... | [
{
"code": null,
"e": 468,
"s": 172,
"text": "Time Series is a unique field. It is a Science in itself. Experts quote ‘A good forecast is a blessing while a wrong forecast can prove to be dangerous’. This article aims to introduce the basic concepts of time series and briefly discusses the popular me... |
Scala List mkString() method with a separator with example - GeeksforGeeks | 13 Aug, 2019
The mkString() method is utilized to display all the elements of the list in a string along with a separator.
Method Definition: def mkString(sep: String): String
Return Type: It returns all the elements of the list in a string along with a separator.
Example #1:
// Scala program of mkString()// method //... | [
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"text": "\n13 Aug, 2019"
},
{
"code": null,
"e": 23719,
"s": 23609,
"text": "The mkString() method is utilized to display all the elements of the list in a string along with a separator."
},
{
"code": null,
"e": 23772,
"s": ... |
Program to convert level order binary tree traversal to linked list in Python | Suppose we have a binary search tree, we have to convert it to a singly linked list using levelorder traversal.
So, if the input is like
then the output will be [5, 4, 10, 2, 7, 15, ]
To solve this, we will follow these steps −
head := a new linked list node
head := a new linked list node
currNode := head
currNode := h... | [
{
"code": null,
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"text": "Suppose we have a binary search tree, we have to convert it to a singly linked list using levelorder traversal."
},
{
"code": null,
"e": 1199,
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"text": "So, if the input is like"
},
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"code": null,
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... |
How to extract data from a plot created by ggplot2 in R? | Of course, a plot is created with some data but we might want to get the data from plot as well. This is possible in R with ggplot_build function but it works only for ggplot objects, if we create a plot with plot function then we cannot extract the data with the plot using ggplot_build. Also, it is not necessary that ... | [
{
"code": null,
"e": 1537,
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"text": "Of course, a plot is created with some data but we might want to get the data from plot as well. This is possible in R with ggplot_build function but it works only for ggplot objects, if we create a plot with plot function then we cannot extract the dat... |
Python timedelta total_seconds() Method with Example - GeeksforGeeks | 06 Sep, 2021
The total_seconds() function is used to return the total number of seconds covered for the specified duration of time instance. This function is used in the timedelta class of module DateTime.
Syntax: total_seconds()
Parameters: This function does not accept any parameter.
Return values: This function retu... | [
{
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"text": "\n06 Sep, 2021"
},
{
"code": null,
"e": 24094,
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"text": "The total_seconds() function is used to return the total number of seconds covered for the specified duration of time instance. This function is used in the timede... |
Seaborn - Sort Bars in Barplot - GeeksforGeeks | 09 Dec, 2021
Prerequisite: Seaborn, Barplot
In this article, we are going to see how to sort the bar in barplot using Seaborn in python.
Seaborn is an amazing visualization library for statistical graphics plotting in Python. It provides beautiful default styles and color palettes to make statistical plots more attract... | [
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"text": "Prerequisite: Seaborn, Barplot"
},
{
"code": null,
"e": 26493,
"s": 26400,
"text": "In this article, we are going to see how to sort the bar in... |
How to use Permutation Tests. A walkthrough of permutation tests and... | by Michael Berk | Towards Data Science | Permutation tests are non-parametric tests that require very few assumptions. So, when you don’t know much about your data generating mechanism (the population), permutation tests are an effective way to determine statistical significance.
A recent paper published by researchers at Stanford extends the permutation test... | [
{
"code": null,
"e": 412,
"s": 172,
"text": "Permutation tests are non-parametric tests that require very few assumptions. So, when you don’t know much about your data generating mechanism (the population), permutation tests are an effective way to determine statistical significance."
},
{
"... |
Covid Spread | Practice | GeeksforGeeks | Aterp is the head nurse at a city hospital. City hospital contains R*C number of wards and the structure of a hospital is in the form of a 2-D matrix.
Given a matrix of dimension R*C where each cell in the matrix can have values 0, 1, or 2 which has the following meaning:
0: Empty ward
1: Cells have uninfected patients... | [
{
"code": null,
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"text": "Aterp is the head nurse at a city hospital. City hospital contains R*C number of wards and the structure of a hospital is in the form of a 2-D matrix.\nGiven a matrix of dimension R*C where each cell in the matrix can have values 0, 1, or 2 which has the ... |
How to extract the strings between two words in R? | While dealing with text data, we sometimes need to extract values between two words. These words can be close to each other, at the end sides or on random sides. If we want to extract the strings between two words then str_extract_all function of stringr package can be used.
Loading stringr package −
library(stringr)
... | [
{
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"text": "While dealing with text data, we sometimes need to extract values between two words. These words can be close to each other, at the end sides or on random sides. If we want to extract the strings between two words then str_extract_all function of string... |
What’s a Customer Worth? Modelling Customers Lifetime Value For Non-Contractual Business with Python | by Susan Li | Towards Data Science | In E-Commerce or retail business, the relationship between businesses and customers are non-contractual relationship. In the non-contractual world, customers do go away, but they do so silently; they have no need to tell us they are leaving. This makes for a much trickier CLV calculation. We have to look at the time si... | [
{
"code": null,
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"text": "In E-Commerce or retail business, the relationship between businesses and customers are non-contractual relationship. In the non-contractual world, customers do go away, but they do so silently; they have no need to tell us they are leaving. This makes fo... |
Generalized Pairs Plot in R. Visualize Your Data with Correlation... | by Ahmed Yahya Khaled | Towards Data Science | Your innovative idea may come from a detail exploration of your data. Most of the cases that data will contain both continuous and categorical variables. You will need to find explainable pattern from this. What if it can be displayed methodologically in a single diagram and you can do it with simple and short lines of... | [
{
"code": null,
"e": 500,
"s": 171,
"text": "Your innovative idea may come from a detail exploration of your data. Most of the cases that data will contain both continuous and categorical variables. You will need to find explainable pattern from this. What if it can be displayed methodologically in ... |
numpy.reshape | This function gives a new shape to an array without changing the data. It accepts the following parameters −
numpy.reshape(arr, newshape, order')
Where,
arr
Array to be reshaped
newshape
int or tuple of int. New shape should be compatible to the original shape
order
'C' for C style, 'F' for Fortran style, 'A' means Fo... | [
{
"code": null,
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"text": "This function gives a new shape to an array without changing the data. It accepts the following parameters −"
},
{
"code": null,
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"text": "numpy.reshape(arr, newshape, order')\n"
},
{
"code": null,
"e... |
CSS - Wiggle Effect | It provides to move or cause to move up and down or from side to side with small rapid movements.
@keyframes wiggle {
0% { transform: skewX(9deg); }
10% { transform: skewX(-8deg); }
20% { transform: skewX(7deg); }
30% { transform: skewX(-6deg); }
40% { transform: skewX(5deg); }
50% { transform: s... | [
{
"code": null,
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"text": "It provides to move or cause to move up and down or from side to side with small rapid movements."
},
{
"code": null,
"e": 3147,
"s": 2724,
"text": "@keyframes wiggle {\n 0% { transform: skewX(9deg); } \n 10% { transform: skewX(-... |
Display array items on a div element on click of button using vanilla JavaScript | To embed the elements of an array inside a div, we just need to iterate over the array and keep
appending the element to the div
This can be done like this −
const myArray = ["stone","paper","scissors"];
const embedElements = () => {
myArray.forEach(element => {
document.getElementById('result').innerHTML +=
... | [
{
"code": null,
"e": 1191,
"s": 1062,
"text": "To embed the elements of an array inside a div, we just need to iterate over the array and keep\nappending the element to the div"
},
{
"code": null,
"e": 1220,
"s": 1191,
"text": "This can be done like this −"
},
{
"code": n... |
Deep Learning with Keras - Compiling the Model | The compilation is performed using one single method call called compile.
model.compile(loss='categorical_crossentropy', metrics=['accuracy'], optimizer='adam')
The compile method requires several parameters. The loss parameter is specified to have type 'categorical_crossentropy'. The metrics parameter is set to 'accu... | [
{
"code": null,
"e": 2033,
"s": 1959,
"text": "The compilation is performed using one single method call called compile."
},
{
"code": null,
"e": 2121,
"s": 2033,
"text": "model.compile(loss='categorical_crossentropy', metrics=['accuracy'], optimizer='adam')\n"
},
{
"code... |
How to add a button to PreferenceScreen in Android? | This example demonstrates how do I add a button to PreferenceScreen in android.
Step 1 − Create a new project in Android Studio, go to File rArr; New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<LinearLayout xmlns:android="http://schema... | [
{
"code": null,
"e": 1142,
"s": 1062,
"text": "This example demonstrates how do I add a button to PreferenceScreen in android."
},
{
"code": null,
"e": 1275,
"s": 1142,
"text": "Step 1 − Create a new project in Android Studio, go to File rArr; New Project and fill all required de... |
DB2 - Views | This chapter describes introduction of views, creating, modifying and dropping the views.
A view is an alternative way of representing the data stored in the tables. It is not an actual table and it does not have any permanent storage. View provides a way of looking at the data in one or more tables. It is a named spec... | [
{
"code": null,
"e": 2018,
"s": 1928,
"text": "This chapter describes introduction of views, creating, modifying and dropping the views."
},
{
"code": null,
"e": 2277,
"s": 2018,
"text": "A view is an alternative way of representing the data stored in the tables. It is not an act... |
Position of rightmost set bit in C++ | In this problem, we are given a number N. Our task is to print the index of the rightmost set bit of the number.
Let’s take an example to understand the problem,
Input − 4
Output − 3
Explanation − binary of 4 is 100, the index of the rightmost set bit is 3.
To solve this problem, a simple solution would be shifting the... | [
{
"code": null,
"e": 1175,
"s": 1062,
"text": "In this problem, we are given a number N. Our task is to print the index of the rightmost set bit of the number."
},
{
"code": null,
"e": 1224,
"s": 1175,
"text": "Let’s take an example to understand the problem,"
},
{
"code"... |
When to use @JsonAutoDetect annotation in Java? | The @JsonAutoDetect annotation can be used at the class level to override the visibility of the properties of a class during serialization and deserialization. We can set the visibility with the properties like "creatorVisibility", "fieldVisibility", "getterVisibility", "setterVisibility" and "isGetterVisibility". The ... | [
{
"code": null,
"e": 1576,
"s": 1062,
"text": "The @JsonAutoDetect annotation can be used at the class level to override the visibility of the properties of a class during serialization and deserialization. We can set the visibility with the properties like \"creatorVisibility\", \"fieldVisibility\"... |
How to Create Typewriter Animation using HTML and CSS ? | 22 Jul, 2021
Typewriter animation as the name suggests is an effect that looks like a typing animation, as being typed by a typewriter. We are going to create this animation without JavaScript and just using HTML and CSS.
Approach: To achieve the typewriter effect we will use the following CSS properties.
animation-tim... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n22 Jul, 2021"
},
{
"code": null,
"e": 263,
"s": 54,
"text": "Typewriter animation as the name suggests is an effect that looks like a typing animation, as being typed by a typewriter. We are going to create this animation without JavaS... |
Reconspider – Most Advanced Open Source Intelligence (OSINT) Framework | 21 Jul, 2021
ReconSpider can be used by information security researchers, penetration testers, bug hunters, and cybercrime detectives to gather extensive information on their target. It is the most powerful open-source intelligence (OSINT) platform for scanning IP addresses, emails, websites, and organizations to extra... | [
{
"code": null,
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"s": 0,
"text": "\n21 Jul, 2021"
},
{
"code": null,
"e": 372,
"s": 28,
"text": "ReconSpider can be used by information security researchers, penetration testers, bug hunters, and cybercrime detectives to gather extensive information on their target. It is... |
Maximum weight transformation of a given string | 04 Aug, 2021
Given a string consisting of only A’s and B’s. We can transform the given string to another string by toggling any character. Thus many transformations of the given string are possible. The task is to find Weight of the maximum weight transformation.
Weight of a string is calculated using below formula.
... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n04 Aug, 2021"
},
{
"code": null,
"e": 303,
"s": 52,
"text": "Given a string consisting of only A’s and B’s. We can transform the given string to another string by toggling any character. Thus many transformations of the given string ar... |
HTTP headers | Upgrade-Insecure-Requests | 07 Nov, 2019
The HTTP header Upgrade-Insecure-Requests is a request type header. It sends a signal to the server expressing the client’s preference for an encrypted and authenticated response, and it can successfully handle the upgrade-insecure-requests HTTP headers Content-Security-Policy directive.
Syntax:
Upgrade-In... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Nov, 2019"
},
{
"code": null,
"e": 317,
"s": 28,
"text": "The HTTP header Upgrade-Insecure-Requests is a request type header. It sends a signal to the server expressing the client’s preference for an encrypted and authenticated respo... |
p5.js | Keyboard keyCode | 17 Jun, 2021
The keyCode variable in p5.js always contains the key code of the key that is recently pressed. This key code is recommended to be used when finding out if the user if pressing a modifier key, like the Shift, Control, the Caps Lock key, or the Function keys.
Syntax:
keyCode
The program below illustrates t... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n17 Jun, 2021"
},
{
"code": null,
"e": 287,
"s": 28,
"text": "The keyCode variable in p5.js always contains the key code of the key that is recently pressed. This key code is recommended to be used when finding out if the user if pressin... |
Flutter – Concept of Visible and Invisible Widgets | 21 Feb, 2022
In this article, we will see how we can change the visibility of widgets in flutter. We will learn about various methods for managing the visibility of flutter widgets. There are a couple of ways to manage the visibility of widgets in flutter.
It has a visible property that manages whether the child is in... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Feb, 2022"
},
{
"code": null,
"e": 273,
"s": 28,
"text": "In this article, we will see how we can change the visibility of widgets in flutter. We will learn about various methods for managing the visibility of flutter widgets. There ... |
Change Font Size for Annotation using ggplot2 in R | 03 Mar, 2021
ggplot2 is a data visualization package for the statistical programming language R. After analyzing and plotting graphs, we can add an annotation in our graph by annotate() function. This article discusses how the font size of an annotation can be changed with the annotation() function.
Syntax: annotate() ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n03 Mar, 2021"
},
{
"code": null,
"e": 316,
"s": 28,
"text": "ggplot2 is a data visualization package for the statistical programming language R. After analyzing and plotting graphs, we can add an annotation in our graph by annotate() fu... |
How to return a local array from a C/C++ function? | 27 Dec, 2020
Consider the below C++ program. Is it right way of returning array from a function?
C
C++
#include <stdio.h> int* fun(){ int arr[100]; /* Some operations on arr[] */ arr[0] = 10; arr[1] = 20; return arr;} int main(){ int* ptr = fun(); printf("%d %d", ptr[0], ptr[1]); return 0;}
#... | [
{
"code": null,
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"s": 26,
"text": "\n27 Dec, 2020"
},
{
"code": null,
"e": 139,
"s": 54,
"text": "Consider the below C++ program. Is it right way of returning array from a function? "
},
{
"code": null,
"e": 141,
"s": 139,
"text": "C"
},
{
"cod... |
JavaScript Date toLocaleDateString() Method | 22 Oct, 2021
Below is the example of Date toLocaleDateString() method.
Example:<script> var dateObj = new Date(); var options = { weekday: "long", year: "numeric", month: "short", day: "numeric" }; document.write(dateObj .toLocaleDateString("en-U... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n22 Oct, 2021"
},
{
"code": null,
"e": 86,
"s": 28,
"text": "Below is the example of Date toLocaleDateString() method."
},
{
"code": null,
"e": 446,
"s": 86,
"text": "Example:<script> var dateObj = new Date(); ... |
Tailwind CSS Divide Width | 23 Mar, 2022
This class accepts lots of values in tailwind CSS in which all the properties are covered as in class form. This class is used to create division between elements as a border. To achieve this CSS border-top-width property or CSS border-bottom-width property are used in CSS.
Divide Width Classes:
divide-x: ... | [
{
"code": null,
"e": 28,
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"text": "\n23 Mar, 2022"
},
{
"code": null,
"e": 303,
"s": 28,
"text": "This class accepts lots of values in tailwind CSS in which all the properties are covered as in class form. This class is used to create division between elements as a border.... |
Burn the binary tree starting from the target node | 31 May, 2022
Given a binary tree and target node. By giving the fire to the target node and fire starts to spread in a complete tree. The task is to print the sequence of the burning nodes of a binary tree.Rules for burning the nodes :
Fire will spread constantly to the connected nodes only.
Every node takes the same ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n31 May, 2022"
},
{
"code": null,
"e": 276,
"s": 52,
"text": "Given a binary tree and target node. By giving the fire to the target node and fire starts to spread in a complete tree. The task is to print the sequence of the burning node... |
How to write a function that returns a passed string with letters in alphabetical order in JavaScript ? | 21 Feb, 2022
Let’s say we need to convert the string into alphabetical order –
For example:
geeksforgeeks -> eeeefggkkorss
Approach: The task is to create a function that takes a string and returns the alphabetical order of that string.
Hence to achieve this we will go under the split, sort, and join method in javascri... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Feb, 2022"
},
{
"code": null,
"e": 94,
"s": 28,
"text": "Let’s say we need to convert the string into alphabetical order –"
},
{
"code": null,
"e": 107,
"s": 94,
"text": "For example:"
},
{
"code": null,
... |
Python – Convert Matrix to Custom Tuple Matrix | 10 Jul, 2022
Sometimes, while working with Python Matrix, we can have a problem in which we need to perform conversion of a Python Matrix to matrix of tuples which a value attached row-wise custom from external list. This kind of problem can have application in data domains as Matrix is integral DS that is used. Let’s ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n10 Jul, 2022"
},
{
"code": null,
"e": 417,
"s": 52,
"text": "Sometimes, while working with Python Matrix, we can have a problem in which we need to perform conversion of a Python Matrix to matrix of tuples which a value attached row-wi... |
Draw Starry Sky with Moon using Turtle in Python | 25 Oct, 2020
Prerequisites: Turtle Programming in Python
In Python, Turtle is an in-built library that provides us to draw different patterns, shapes or anything we want but for that, we have to be aware of the uses of different functions provided by Turtle library.
In this article we are going to learn how to draw the... | [
{
"code": null,
"e": 54,
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"text": "\n25 Oct, 2020"
},
{
"code": null,
"e": 98,
"s": 54,
"text": "Prerequisites: Turtle Programming in Python"
},
{
"code": null,
"e": 308,
"s": 98,
"text": "In Python, Turtle is an in-built library that provides us to dr... |
Continue Statement in C/C++ | 26 Aug, 2019
Continue is also a loop control statement just like the break statement. continue statement is opposite to that of break statement, instead of terminating the loop, it forces to execute the next iteration of the loop.As the name suggest the continue statement forces the loop to continue or execute the next... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n26 Aug, 2019"
},
{
"code": null,
"e": 548,
"s": 52,
"text": "Continue is also a loop control statement just like the break statement. continue statement is opposite to that of break statement, instead of terminating the loop, it forces... |
What is the difference between single-quoted and double-quoted strings in PHP? | 10 Apr, 2022
Single or double quotes in PHP programming are used to define a string. But, there are lots of differences between these two. Single-quoted Strings: It is the easiest way to define a string. You can use it when you want the string to be exactly as it is written. All the escape sequences like \r or \n, will... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n10 Apr, 2022"
},
{
"code": null,
"e": 630,
"s": 28,
"text": "Single or double quotes in PHP programming are used to define a string. But, there are lots of differences between these two. Single-quoted Strings: It is the easiest way to d... |
Difference between sums of odd and even digits | 13 Jun, 2022
Given a long integer, we need to find if the difference between sum of odd digits and sum of even digits is 0 or not. The indexes start from zero (0 index is for leftmost digit).Examples:
Input : 1212112
Output : Yes
Explanation:-
the odd position element is 2+2+1=5
the even position element is 1+1+1+2=5... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n13 Jun, 2022"
},
{
"code": null,
"e": 243,
"s": 53,
"text": "Given a long integer, we need to find if the difference between sum of odd digits and sum of even digits is 0 or not. The indexes start from zero (0 index is for leftmost dig... |
Python Tutorial - GeeksforGeeks | 06 Jul, 2022
Python is a high-level programming language and is widely being used among the developers’ community. Python was mainly developed for emphasis on code readability, and its syntax allows programmers to express concepts in fewer lines of code. Python is a programming language that lets developers work quickl... | [
{
"code": null,
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"s": 25984,
"text": "\n06 Jul, 2022"
},
{
"code": null,
"e": 26512,
"s": 26012,
"text": "Python is a high-level programming language and is widely being used among the developers’ community. Python was mainly developed for emphasis on code readability,... |
Python | Key index in Dictionary | 19 Jul, 2019
The concept of dictionary is similar to that of map data structure in C++ language, but with the exception that keys in dictionary has nothing to do with its ordering, i.e it is not sorted unlike C++ in which the keys are sorted internally. This opens up the problem in which we might have to find the exact... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n19 Jul, 2019"
},
{
"code": null,
"e": 459,
"s": 52,
"text": "The concept of dictionary is similar to that of map data structure in C++ language, but with the exception that keys in dictionary has nothing to do with its ordering, i.e it... |
IntStream iterator() in Java | 21 Mar, 2018
IntStream iterator() returns an iterator for the elements of this stream. It is a terminal operation i.e, it may traverse the stream to produce a result or a side-effect.
Syntax :
PrimitiveIterator.OfInt iterator()
Where, PrimitiveIterator.OfInt is an Iterator
specialized for int values.
Return Value : ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Mar, 2018"
},
{
"code": null,
"e": 199,
"s": 28,
"text": "IntStream iterator() returns an iterator for the elements of this stream. It is a terminal operation i.e, it may traverse the stream to produce a result or a side-effect."
}... |
Count Substrings with equal number of 0s, 1s and 2s | 05 Jul, 2022
Given a string which consists of only 0s, 1s or 2s, count the number of substrings that have equal number of 0s, 1s and 2s.
Examples:
Input : str = “0102010”
Output : 2
Explanation : Substring str[2, 4] = “102” and
substring str[4, 6] = “201” has
equal number of 0, 1 and 2... | [
{
"code": null,
"e": 52,
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"text": "\n05 Jul, 2022"
},
{
"code": null,
"e": 176,
"s": 52,
"text": "Given a string which consists of only 0s, 1s or 2s, count the number of substrings that have equal number of 0s, 1s and 2s."
},
{
"code": null,
"e": 187,
"s":... |
Initializing HashSet in C# | To initialize a HashSet.
var h = new HashSet<string>(arr1);
Above, we have set an array in the HashSet. The following is the array −
string[] arr1 = {
"electronics",
"accessories”,
"electronics",
};
The following is an example showing how to implement HashSet in C# −
using System;
using System.Collections.Gene... | [
{
"code": null,
"e": 1087,
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"text": "To initialize a HashSet."
},
{
"code": null,
"e": 1122,
"s": 1087,
"text": "var h = new HashSet<string>(arr1);"
},
{
"code": null,
"e": 1195,
"s": 1122,
"text": "Above, we have set an array in the HashSet. The fol... |
Python Design Patterns - Abstract Factory | The abstract factory pattern is also called factory of factories. This design pattern comes under the creational design pattern category. It provides one of the best ways to create an object.
It includes an interface, which is responsible for creating objects related to Factory.
The following program helps in implement... | [
{
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"text": "The abstract factory pattern is also called factory of factories. This design pattern comes under the creational design pattern category. It provides one of the best ways to create an object."
},
{
"code": null,
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"s": 2671,
... |
Partial correlation-the idea and significance | by Xichu Zhang | Towards Data Science | Generally, multiple linear regression is about quantifying the linear relationship between one dependent variable and several independents variables. By means of this model, we can discover how one variable is influenced by other variables, for example, how income is influenced by education, region, age, gender, etc. H... | [
{
"code": null,
"e": 580,
"s": 172,
"text": "Generally, multiple linear regression is about quantifying the linear relationship between one dependent variable and several independents variables. By means of this model, we can discover how one variable is influenced by other variables, for example, h... |
How to subtract seconds from all the date records in a MySQL column? | Let us first create a table −
mysql> create table DemoTable833(ArrivalTime datetime);
Query OK, 0 rows affected (0.79 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable833 values('2019-01-10 12:40:50');
Query OK, 1 row affected (0.13 sec)
mysql> insert into DemoTable833 values('20... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1185,
"s": 1092,
"text": "mysql> create table DemoTable833(ArrivalTime datetime);\nQuery OK, 0 rows affected (0.79 sec)"
},
{
"code": null,
"e": 1241,
"s": 1185,
... |
Check if a number is a Krishnamurthy Number or not in C++ | Here we will see how to check a number is Krishnamurty number or not. A number is Krishnamurty number, if the sum of the factorial of each digit is the same as the number. For example, if a number is 145, then sum = 1! + 4! + 5! = 1 + 24 + 120 = 145. So this is a Krishnamurty number,
The logic is simple, we have to fin... | [
{
"code": null,
"e": 1347,
"s": 1062,
"text": "Here we will see how to check a number is Krishnamurty number or not. A number is Krishnamurty number, if the sum of the factorial of each digit is the same as the number. For example, if a number is 145, then sum = 1! + 4! + 5! = 1 + 24 + 120 = 145. So... |
unlink() - Unix, Linux System Call | Unix - Home
Unix - Getting Started
Unix - File Management
Unix - Directories
Unix - File Permission
Unix - Environment
Unix - Basic Utilities
Unix - Pipes & Filters
Unix - Processes
Unix - Communication
Unix - The vi Editor
Unix - What is Shell?
Unix - Using Variables
Unix - Special Variables
Unix - Using Arrays
Unix -... | [
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"text": "Unix - Home"
},
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"code": null,
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},
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"code": null,
"e": 1512,
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"text": "Unix - File Management"
},
{
"code": null,
"e": 1531,
"s": 1... |
How do I create a random four-digit number in MySQL? | Let us first create a table −
mysql> create table DemoTable717 (
UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
UserPassword int
);
Query OK, 0 rows affected (0.81 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable717(UserPassword) values(1454343);
Query OK, 1 row affected ... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1238,
"s": 1092,
"text": "mysql> create table DemoTable717 (\n UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,\n UserPassword int\n);\nQuery OK, 0 rows affected (0.81 sec)"
... |
Python Pillow - Environment Setup | This chapter discusses how to install pillow package in your computer.
Installing pillow package is very easy, especially if you’re installing it using pip.
To install pillow using pip, just run the below command in your command prompt −
python -m pip install pip
python -m pip install pillow
In case, if pip and pillow... | [
{
"code": null,
"e": 2271,
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"text": "This chapter discusses how to install pillow package in your computer."
},
{
"code": null,
"e": 2357,
"s": 2271,
"text": "Installing pillow package is very easy, especially if you’re installing it using pip."
},
{
"code": nul... |
Activation functions in Neural Networks - GeeksforGeeks | 08 Oct, 2020
It is recommended to understand what is a neural network before reading this article. In The process of building a neural network, one of the choices you get to make is what activation function to use in the hidden layer as well as at the output layer of the network. This article discusses some of the choi... | [
{
"code": null,
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"s": 24242,
"text": "\n08 Oct, 2020"
},
{
"code": null,
"e": 24582,
"s": 24270,
"text": "It is recommended to understand what is a neural network before reading this article. In The process of building a neural network, one of the choices you get to ma... |
How to Add Suffix and Prefix to The Label & Add Legend to Graph in Android? - GeeksforGeeks | 06 Jun, 2021
When we are looking for a view to represent some statistical data or looking for a UI for displaying a graph in your app so in this article, we will take a look at creating a LineGraphView and adding and prefix to the label of the graph in our Android App. In this article, we will be building a simple Line... | [
{
"code": null,
"e": 24725,
"s": 24697,
"text": "\n06 Jun, 2021"
},
{
"code": null,
"e": 25169,
"s": 24725,
"text": "When we are looking for a view to represent some statistical data or looking for a UI for displaying a graph in your app so in this article, we will take a look at... |
Java this Keyword | ❮ Java Keywords
Using this with a class attribute (x):
public class Main {
int x;
// Constructor with a parameter
public Main(int x) {
this.x = x;
}
// Call the constructor
public static void main(String[] args) {
Main myObj = new Main(5);
System.out.println("Value of x = " + myObj.x);
}
}
... | [
{
"code": null,
"e": 18,
"s": 0,
"text": "\n❮ Java Keywords\n"
},
{
"code": null,
"e": 57,
"s": 18,
"text": "Using this with a class attribute (x):"
},
{
"code": null,
"e": 322,
"s": 57,
"text": "public class Main {\n int x;\n\n // Constructor with a paramet... |
Encrypt and Decrypt a string in MySQL? | To encrypt and decrypt in MySQL, use the AES_ENCRYPT() and AES_DECRYPT() in MySQL −
insert into yourTableName values(AES_ENCRYPT(yourValue,yourSecretKey));
select cast(AES_DECRYPT(yourColumnName, yourSecretKey) as char) from
yourTableName;
To understand the above syntax, let us first create a table −
mysql> create tab... | [
{
"code": null,
"e": 1146,
"s": 1062,
"text": "To encrypt and decrypt in MySQL, use the AES_ENCRYPT() and AES_DECRYPT() in MySQL −"
},
{
"code": null,
"e": 1303,
"s": 1146,
"text": "insert into yourTableName values(AES_ENCRYPT(yourValue,yourSecretKey));\n\nselect cast(AES_DECRYPT... |
What is an anonymous array and explain with an example in Java? | An array is a data structure/container/objectthat stores a fixed-size sequential collection of elements of the same type. The size/length of the array is determined at the time of creation.
The position of the elements in the array is called as index or subscript. The first element of the array is stored at the index 0... | [
{
"code": null,
"e": 1252,
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"text": "An array is a data structure/container/objectthat stores a fixed-size sequential collection of elements of the same type. The size/length of the array is determined at the time of creation."
},
{
"code": null,
"e": 1436,
"s": 1252,
"... |
How to clear the EEPROM with Arduino? | Arduino Uno has 1 kB of EEPROM storage. EEPROM is a type of non-volatile memory, i.e., its contents are preserved even after power-down. Therefore, it can be used to store data that you want to be unchanged across power cycles. Configurations or settings are examples of such data.
In this article, we will see how to cl... | [
{
"code": null,
"e": 1344,
"s": 1062,
"text": "Arduino Uno has 1 kB of EEPROM storage. EEPROM is a type of non-volatile memory, i.e., its contents are preserved even after power-down. Therefore, it can be used to store data that you want to be unchanged across power cycles. Configurations or setting... |
How to sort an HTML table using JavaScript? | To sort an HTML table using JavaScript, the code is as follows −
Live Demo
<!DOCTYPE html>
<html>
<head>
<title>Sort a HTML Table Alphabetically</title>
<style>
button {
padding: 10px;
margin-bottom: 5px;
font-size: 16px;
font-weight: bold;
}
body {
font-family: "Segoe UI", Tahom... | [
{
"code": null,
"e": 1127,
"s": 1062,
"text": "To sort an HTML table using JavaScript, the code is as follows −"
},
{
"code": null,
"e": 1138,
"s": 1127,
"text": " Live Demo"
},
{
"code": null,
"e": 2812,
"s": 1138,
"text": "<!DOCTYPE html>\n<html>\n<head>\n<t... |
How to convert a String into a Date object using JDBC API? | The valueOf() method of the Date object accepts a String value representing a Date in JDBC escape format i.e. yyyy-mm-dd and converts the given String value into java.sql.Date object.
Date date = Date.valueOf(“date_string”);
Assume we have created a table named employee_data with the description as shown below:
+------... | [
{
"code": null,
"e": 1246,
"s": 1062,
"text": "The valueOf() method of the Date object accepts a String value representing a Date in JDBC escape format i.e. yyyy-mm-dd and converts the given String value into java.sql.Date object."
},
{
"code": null,
"e": 1287,
"s": 1246,
"text":... |
ASP.NET MVC - Unit Testing | In computer programming, unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use. In other words, it is a software development process in which the smallest testable parts of an application, called units, are individually and independently ... | [
{
"code": null,
"e": 2623,
"s": 2269,
"text": "In computer programming, unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use. In other words, it is a software development process in which the smallest testable parts o... |
How to make a pair of columns unique in MySQL? | To make a pair of columns unique, use UNIQUE with ALTER TABLE command. Following is the syntax −
alter table yourTableName add unique yourUniqueName(yourColumnName1,yourColumnName2,...N);
Let us first create a table −
mysql> create table DemoTable
(
StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
StudentFirstN... | [
{
"code": null,
"e": 1159,
"s": 1062,
"text": "To make a pair of columns unique, use UNIQUE with ALTER TABLE command. Following is the syntax −"
},
{
"code": null,
"e": 1250,
"s": 1159,
"text": "alter table yourTableName add unique yourUniqueName(yourColumnName1,yourColumnName2,.... |
JSF - h:selectManyListbox | The h:selectManyListbox tag renders an HTML input element of the type "select" with size and multiple specified.
<h:selectManyListbox value = "#{userData.data}">
<f:selectItem itemValue = "1" itemLabel = "Item 1" />
<f:selectItem itemValue = "2" itemLabel = "Item 2" />
</h:selectOneListbox>
<select name = "j... | [
{
"code": null,
"e": 2065,
"s": 1952,
"text": "The h:selectManyListbox tag renders an HTML input element of the type \"select\" with size and multiple specified."
},
{
"code": null,
"e": 2255,
"s": 2065,
"text": "<h:selectManyListbox value = \"#{userData.data}\"> \n <f:selectIt... |
Python 3 - File readlines() Method | The method readlines() reads until EOF using readline() and returns a list containing the lines. If the optional sizehint argument is present, instead of reading up to EOF, whole lines totalling approximately sizehint bytes (possibly after rounding up to an internal buffer size) are read.
An empty string is returned on... | [
{
"code": null,
"e": 2630,
"s": 2340,
"text": "The method readlines() reads until EOF using readline() and returns a list containing the lines. If the optional sizehint argument is present, instead of reading up to EOF, whole lines totalling approximately sizehint bytes (possibly after rounding up t... |
Data Scientist vs Data Analyst Salary | Towards Data Science | IntroductionData ScientistData AnalystSummaryReferences
Introduction
Data Scientist
Data Analyst
Summary
References
This article aims not to compare roles as if one deserves more money or not, but is instead a guide allowing professionals in these two fields to assess against their current salary. However cliche, it is... | [
{
"code": null,
"e": 228,
"s": 172,
"text": "IntroductionData ScientistData AnalystSummaryReferences"
},
{
"code": null,
"e": 241,
"s": 228,
"text": "Introduction"
},
{
"code": null,
"e": 256,
"s": 241,
"text": "Data Scientist"
},
{
"code": null,
"... |
How to convert Wrapper value array list into primitive array in Java? | Here, to convert Wrapper value array list into primitive array, we are considering Integer as Wrapper, whereas double as primitive.
At first, declare an Integer array list and add elements to it −
ArrayList < Integer > arrList = new ArrayList < Integer > ();
arrList.add(5);
arrList.add(10);
arrList.add(15);
arrList.add... | [
{
"code": null,
"e": 1194,
"s": 1062,
"text": "Here, to convert Wrapper value array list into primitive array, we are considering Integer as Wrapper, whereas double as primitive."
},
{
"code": null,
"e": 1259,
"s": 1194,
"text": "At first, declare an Integer array list and add el... |
Ant - Quick Guide | ANT stands for Another Neat Tool. It is a Java-based build tool from computer software development company Apache. Before going into the details of Apache Ant, let us first understand why we need a build tool.
On an average, a developer spends a substantial amount of time doing mundane tasks like build and deployment t... | [
{
"code": null,
"e": 2307,
"s": 2097,
"text": "ANT stands for Another Neat Tool. It is a Java-based build tool from computer software development company Apache. Before going into the details of Apache Ant, let us first understand why we need a build tool."
},
{
"code": null,
"e": 2431,
... |
How do you get the file size in C#? | The FileInfo class is used to deal with file and its operations in C#.
It provides properties and methods that are used to create, delete and read file. It uses
StreamWriter class to write data to the file. It is a part of System.IO namespace.
The Directory property retrieves an object that represents the parent direct... | [
{
"code": null,
"e": 1133,
"s": 1062,
"text": "The FileInfo class is used to deal with file and its operations in C#."
},
{
"code": null,
"e": 1306,
"s": 1133,
"text": "It provides properties and methods that are used to create, delete and read file. It uses\nStreamWriter class t... |
Python - Processing XLS Data | Microsoft Excel is a very widely used spread sheet program. Its user friendliness and appealing features makes it a very frequently used tool in Data Science.
The Panadas library provides features using which we can read the Excel file in full as well as in parts for only a selected group of Data. We can also read an ... | [
{
"code": null,
"e": 2945,
"s": 2529,
"text": "Microsoft Excel is a very widely used spread sheet program. Its user friendliness and appealing features makes it a very frequently used tool in Data Science. \nThe Panadas library provides features using which we can read the Excel file in full as well... |
How to Fix: Length of values does not match length of index - GeeksforGeeks | 22 Nov, 2021
In this article we will fix the error: The length of values does not match the length of the index in Python.
Python3
# importing pandas
import pandas as pd
sepal_length = [5.1, 4.9, 4.7, 4.6, 5.0, 5.4,
4.6, 5.0, 4.4, 4.9]
sepal_width = [4.6, 5.0, 5.4, 4.6, 5.0, 4.... | [
{
"code": null,
"e": 25609,
"s": 25578,
"text": " \n22 Nov, 2021\n"
},
{
"code": null,
"e": 25719,
"s": 25609,
"text": "In this article we will fix the error: The length of values does not match the length of the index in Python."
},
{
"code": null,
"e": 25727,
"s... |
Instance Variables in Ruby - GeeksforGeeks | 17 Dec, 2019
There are four different types of variables in Ruby- Local variables, Instance variables, Class variables and Global variables. An instance variable in ruby has a name starting with @ symbol, and its content is restricted to whatever the object itself refers to. Two separate objects, even though they belon... | [
{
"code": null,
"e": 25217,
"s": 25189,
"text": "\n17 Dec, 2019"
},
{
"code": null,
"e": 25612,
"s": 25217,
"text": "There are four different types of variables in Ruby- Local variables, Instance variables, Class variables and Global variables. An instance variable in ruby has a ... |
Python | os.path.getctime() method - GeeksforGeeks | 22 May, 2019
OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality. os.path module is sub module of OS module in Python used for common path name manipulati... | [
{
"code": null,
"e": 25875,
"s": 25847,
"text": "\n22 May, 2019"
},
{
"code": null,
"e": 26186,
"s": 25875,
"text": "OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable... |
LinkedHashMap get() Method in Java with Examples - GeeksforGeeks | 17 Nov, 2021
In Java, get() method of LinkedHashMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the map contains no such mapping for the key.
--> java.util Package
--> LinkedHashMap Class
--> get() Method
Syntax:
Linked_Hash_Ma... | [
{
"code": null,
"e": 23012,
"s": 22984,
"text": "\n17 Nov, 2021"
},
{
"code": null,
"e": 23218,
"s": 23012,
"text": "In Java, get() method of LinkedHashMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the... |
How to Trim a String in Arduino? | Sometimes, a string can contain leading or trailing whitespaces. Arduino has a trim() function that removes all these leading/trailing whitespaces from the string.
String1.trim()
Where String1 is the string that you need to trim. Please note that this function doesn’t return anything. String1 itself is modified.
The fo... | [
{
"code": null,
"e": 1226,
"s": 1062,
"text": "Sometimes, a string can contain leading or trailing whitespaces. Arduino has a trim() function that removes all these leading/trailing whitespaces from the string."
},
{
"code": null,
"e": 1241,
"s": 1226,
"text": "String1.trim()"
... |
How to use the dmesg Command on Linux - GeeksforGeeks | 30 Jun, 2021
dmesg is a display message command and to display kernel-related messages on Unix-like systems. It used to control the kernel ring buffer. The output contains messages produced by the device drivers.
All the messages received from the kernel ring buffer is displayed when we execute the command “dmesg”, her... | [
{
"code": null,
"e": 24015,
"s": 23987,
"text": "\n30 Jun, 2021"
},
{
"code": null,
"e": 24215,
"s": 24015,
"text": "dmesg is a display message command and to display kernel-related messages on Unix-like systems. It used to control the kernel ring buffer. The output contains mess... |
Checking memory_limit in PHP | The ‘memory_limit’ is the maximum amount of server memory that a single PHP script is allowed to use. The value needs to be converted before comparing the threshold of memory.
For example − 64M is converted to 64 * 1024 * 1024. After this, the comparison is done and the result is printed out.
<?php
$memory_limit = ini_... | [
{
"code": null,
"e": 1238,
"s": 1062,
"text": "The ‘memory_limit’ is the maximum amount of server memory that a single PHP script is allowed to use. The value needs to be converted before comparing the threshold of memory."
},
{
"code": null,
"e": 1356,
"s": 1238,
"text": "For ex... |
How to get service information with the WMI method using PowerShell? | You can also use the WMI method to get the services information instead of standard command Get-Service.
To get the service information on the server, you need to use WMI class Win32_Service.
Get-WmiObject -Class Win32_Service
ExitCode : 0
Name : Browser
ProcessId : 0
StartMode : Manual
State : Stopped
Status... | [
{
"code": null,
"e": 1167,
"s": 1062,
"text": "You can also use the WMI method to get the services information instead of standard command Get-Service."
},
{
"code": null,
"e": 1254,
"s": 1167,
"text": "To get the service information on the server, you need to use WMI class Win32... |
Logistic Regression for malignancy prediction in cancer | by Luca Zammataro | Towards Data Science | In Linear Regression with one or more variables, we have introduced the concept of Linear Regression, a statistical model used in Machine Learning that belongs to the Supervised Learning class of algorithms. Also, we have discussed the possible applications of the Linear Regression to biomedical data, in particular, in... | [
{
"code": null,
"e": 531,
"s": 172,
"text": "In Linear Regression with one or more variables, we have introduced the concept of Linear Regression, a statistical model used in Machine Learning that belongs to the Supervised Learning class of algorithms. Also, we have discussed the possible applicatio... |
K Nearest Neighbours — Introduction to Machine Learning Algorithms | by Rohith Gandhi | Towards Data Science | The reason we find that much importance is given to classification algorithms and not much is given to regression algorithms is because a lot of problems faced during our diurnal routine belongs to the classification task. For example, we would like to know whether a tumour is malignant or benign, we like to know wheth... | [
{
"code": null,
"e": 924,
"s": 172,
"text": "The reason we find that much importance is given to classification algorithms and not much is given to regression algorithms is because a lot of problems faced during our diurnal routine belongs to the classification task. For example, we would like to kn... |
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