title stringlengths 3 221 | text stringlengths 17 477k | parsed listlengths 0 3.17k |
|---|---|---|
Calling Stored Procedure inside foreach PHP Codeigniter | The code inside the 'Model' and the 'Controller' needs to be changed to include code that is shown below −
$header = $this->model_name->call_head();
foreach($header as $item) {
$name = $item['name'];
$array['name'] = $name;
$array['data'] = $item['data'];
$child_val = $this->model_name->call_child($name);
... | [
{
"code": null,
"e": 1169,
"s": 1062,
"text": "The code inside the 'Model' and the 'Controller' needs to be changed to include code that is shown below −"
},
{
"code": null,
"e": 1556,
"s": 1169,
"text": "$header = $this->model_name->call_head();\nforeach($header as $item) {\n ... |
Passing arrays to methods in C#? | To pass arrays to methods, you need to pass an array as a method argument.
int displaySum(int[] arr, int size) {
}
Now call it −
sum = d.displaySum(myArr, 5 ) ;
Live Demo
using System;
namespace Test {
class Demo {
int displaySum(int[] arr, int size) {
int i;
int sum = 0;
for (i =... | [
{
"code": null,
"e": 1137,
"s": 1062,
"text": "To pass arrays to methods, you need to pass an array as a method argument."
},
{
"code": null,
"e": 1177,
"s": 1137,
"text": "int displaySum(int[] arr, int size) {\n}"
},
{
"code": null,
"e": 1191,
"s": 1177,
"tex... |
Apache Flink - Setup/Installation | Before the start with the setup/ installation of Apache Flink, let us check whether we have Java 8 installed in our system.
We will now proceed by downloading Apache Flink.
wget http://mirrors.estointernet.in/apache/flink/flink-1.7.1/flink-1.7.1-bin-scala_2.11.tgz
Now, uncompress the tar file.
tar -xzf flink-1.7.1-bin... | [
{
"code": null,
"e": 2193,
"s": 2069,
"text": "Before the start with the setup/ installation of Apache Flink, let us check whether we have Java 8 installed in our system."
},
{
"code": null,
"e": 2242,
"s": 2193,
"text": "We will now proceed by downloading Apache Flink."
},
{... |
Animation of Tower Of Hanoi using computer graphics in C/C++ - GeeksforGeeks | 18 Apr, 2022
The task is to design the Tower of Hanoi using computer graphics in C/C++.
Tower Of Hanoi: It is a mathematical problem where there are three towers and N numbers of disks. The problem is to move all the disks from the first tower to the third tower with the following rules:
Only one disk can be moved at a... | [
{
"code": null,
"e": 24208,
"s": 24180,
"text": "\n18 Apr, 2022"
},
{
"code": null,
"e": 24283,
"s": 24208,
"text": "The task is to design the Tower of Hanoi using computer graphics in C/C++."
},
{
"code": null,
"e": 24484,
"s": 24283,
"text": "Tower Of Hanoi:... |
Difference between Call by Value and Call by Reference | In programming on the basis of passing parameters to a function we classified function invocation into two : Call by value and Call by reference.As name suggest in both invocations we are calling function by type of parameters in one we are passing actual value of parameter and in other we are passing the location/refe... | [
{
"code": null,
"e": 1402,
"s": 1062,
"text": "In programming on the basis of passing parameters to a function we classified function invocation into two : Call by value and Call by reference.As name suggest in both invocations we are calling function by type of parameters in one we are passing actu... |
GATE | GATE-CS-2017 (Set 1) | Question 49 - GeeksforGeeks | 13 Aug, 2021
Consider the following two functions
void fun1(int n){
if(n == 0) return;
printf(“%d”, n);
fun2(n-2);
printf(“%d”, n);
}
void fun2(int n){
if(n == 0) return;
printf(“%d”, n);
fun1(++n);
printf(“%d”, n);
}
The output printed when fun1 (5) is called is(A)... | [
{
"code": null,
"e": 24474,
"s": 24446,
"text": "\n13 Aug, 2021"
},
{
"code": null,
"e": 24511,
"s": 24474,
"text": "Consider the following two functions"
},
{
"code": null,
"e": 24733,
"s": 24511,
"text": "void fun1(int n){ \n\n if(n == 0) return; \n ... |
VB.Net - Constants and Enumerations | The constants refer to fixed values that the program may not alter during its execution. These fixed values are also called literals.
Constants can be of any of the basic data types like an integer constant, a floating constant, a character constant, or a string literal. There are also enumeration constants as well.
Th... | [
{
"code": null,
"e": 2434,
"s": 2300,
"text": "The constants refer to fixed values that the program may not alter during its execution. These fixed values are also called literals."
},
{
"code": null,
"e": 2618,
"s": 2434,
"text": "Constants can be of any of the basic data types ... |
How to convert DB2 queries to python scripts | by Dawn Moyer | Towards Data Science | Many companies are running common data analytics tasks using python scripts. They are asking employees to convert scripts that may currently exist in SAS or other toolsets to python. One step of this process is being able to pull in the same data with the new techniques. This article is about converting DB2 queries int... | [
{
"code": null,
"e": 510,
"s": 172,
"text": "Many companies are running common data analytics tasks using python scripts. They are asking employees to convert scripts that may currently exist in SAS or other toolsets to python. One step of this process is being able to pull in the same data with the... |
How to create vector in R with a sequence of numbers? | Creating a numeric vector is the first step towards learning R programming and there are many ways to do that but if we want to generate a sequence of number then it is a bit different thing, not totally different. We can create a vector with a sequence of numbers by using − if the sequence of numbers needs to have onl... | [
{
"code": null,
"e": 1441,
"s": 1062,
"text": "Creating a numeric vector is the first step towards learning R programming and there are many ways to do that but if we want to generate a sequence of number then it is a bit different thing, not totally different. We can create a vector with a sequence... |
How to Filter a Map in Java 8 | Filter a Map in Java | Online Tutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In this tutorial, we are going to filter a Ma... | [
{
"code": null,
"e": 158,
"s": 123,
"text": "PROGRAMMINGJava ExamplesC Examples"
},
{
"code": null,
"e": 172,
"s": 158,
"text": "Java Examples"
},
{
"code": null,
"e": 183,
"s": 172,
"text": "C Examples"
},
{
"code": null,
"e": 195,
"s": 183,
... |
Analysis of Emotion Data: A Dataset for Emotion Recognition Tasks | by Parul Pandey | Towards Data Science | You’ll just never know...so many emotions I choose not to show you
Emotion Recognition is a common classification task. For instance, given a tweet, you create a model to classify the tweet as being either positive or negative. However, human emotions consist of myriad emotions and cannot be constrained to just these t... | [
{
"code": null,
"e": 239,
"s": 172,
"text": "You’ll just never know...so many emotions I choose not to show you"
},
{
"code": null,
"e": 649,
"s": 239,
"text": "Emotion Recognition is a common classification task. For instance, given a tweet, you create a model to classify the tw... |
How to remove the hash from window.location (URL) with JavaScript without page refresh? | You can use the replaceState method on the history API to remove the hash.
The replaceState() method modifies the current history entry, replacing it with the state objects, title, and URL passed in the method parameters. This method is particularly useful when you want to update the state object or URL of the current ... | [
{
"code": null,
"e": 1137,
"s": 1062,
"text": "You can use the replaceState method on the history API to remove the hash."
},
{
"code": null,
"e": 1429,
"s": 1137,
"text": "The replaceState() method modifies the current history entry, replacing it with the state objects, title, a... |
How to convert a spreadsheet to Python dictionary? | The easiest way to convert a spreadsheet to Python dictionary is to use an external library like pandas. This provides very helpful features like to_dict on excel objects. You can use these like −
from pandas import *
xls = ExcelFile('my_file.xls')
data = xls.parse(xls.sheet_names[0])
print(data.to_dict())
This will gi... | [
{
"code": null,
"e": 1259,
"s": 1062,
"text": "The easiest way to convert a spreadsheet to Python dictionary is to use an external library like pandas. This provides very helpful features like to_dict on excel objects. You can use these like −"
},
{
"code": null,
"e": 1370,
"s": 1259... |
Let’s talk about NumPy — for Data Science Beginners | by Ehi Aigiomawu | Towards Data Science | NumPy (Numerical Python) is a linear algebra library in Python. It is a very important library on which almost every data science or machine learning Python packages such as SciPy (Scientific Python), Mat−plotlib (plotting library), Scikit-learn, etc depends on to a reasonable extent.
NumPy is very useful for performin... | [
{
"code": null,
"e": 458,
"s": 172,
"text": "NumPy (Numerical Python) is a linear algebra library in Python. It is a very important library on which almost every data science or machine learning Python packages such as SciPy (Scientific Python), Mat−plotlib (plotting library), Scikit-learn, etc depe... |
Deep Reinforcement Learning With Python | Part 3| Using Tensorboard to Analyse Trained Models | by Mohammed AL-Ma'amari | Towards Data Science | First part explained and created the game environment.
towardsdatascience.com
Second part discussed the process of training the DQN, explained DQNs and gave reasons to choose DQN over Q-Learning.
towardsdatascience.com
We are going to:
Use Tensorboard to visualize the goodness of trained models.
Explain the way of load... | [
{
"code": null,
"e": 227,
"s": 172,
"text": "First part explained and created the game environment."
},
{
"code": null,
"e": 250,
"s": 227,
"text": "towardsdatascience.com"
},
{
"code": null,
"e": 368,
"s": 250,
"text": "Second part discussed the process of tr... |
Difference Between throw and throws in Java - GeeksforGeeks | 07 Dec, 2021
Prerequisite: Throw and Throws in Java
The throw and throws are the concepts of exception handling in Java where the throw keyword throws the exception explicitly from a method or a block of code, whereas the throws keyword is used in the signature of the method.
The differences between throw and throws in... | [
{
"code": null,
"e": 24453,
"s": 24425,
"text": "\n07 Dec, 2021"
},
{
"code": null,
"e": 24492,
"s": 24453,
"text": "Prerequisite: Throw and Throws in Java"
},
{
"code": null,
"e": 24717,
"s": 24492,
"text": "The throw and throws are the concepts of exception ... |
Is it possible to style HTML5 audio tag? | HTML 5 audio tags can be styled. By using the audio tag with “controls” attribute, the default browsers player is used. You can customize by not using the browsers controls.
By removing the controls attribute, you can hide the built in browser user’s interface −
<audioid = "player" src = "kalimba.mp3"></audio>
<div>
... | [
{
"code": null,
"e": 1237,
"s": 1062,
"text": "HTML 5 audio tags can be styled. By using the audio tag with “controls” attribute, the default browsers player is used. You can customize by not using the browsers controls. "
},
{
"code": null,
"e": 1326,
"s": 1237,
"text": "By remo... |
Beat Cache Invalidation in ASP.NET Core Using Kafka and Debezium | by Seyed Morteza Mousavi | Towards Data Science | When building web applications, we use cache most of the time to store the result of an (expensive) database query. After some time, because our underlying database state is changed, we want to remove or replace cache entries. A process that is called cache invalidation. The problem is when do we have to remove or repl... | [
{
"code": null,
"e": 645,
"s": 172,
"text": "When building web applications, we use cache most of the time to store the result of an (expensive) database query. After some time, because our underlying database state is changed, we want to remove or replace cache entries. A process that is called cac... |
Count by multiple fields with MongoDB aggregation | To count by multiple fields, use $facet in MongoDB. The $facet processes multiple aggregation pipelines within a single stage on the same set of input documents. Let us create a collection with documents −
> db.demo721.insertOne(
... {
...
... "details1": {
... "id":101
...
... },
... "det... | [
{
"code": null,
"e": 1268,
"s": 1062,
"text": "To count by multiple fields, use $facet in MongoDB. The $facet processes multiple aggregation pipelines within a single stage on the same set of input documents. Let us create a collection with documents −"
},
{
"code": null,
"e": 1908,
... |
Building a Generative Adversarial Network using Keras - GeeksforGeeks | 25 Jun, 2019
Prerequisites: Generative Adversarial Network
This article will demonstrate how to build a Generative Adversarial Network using the Keras library. The dataset which is used is the CIFAR10 Image dataset which is preloaded into Keras. You can read about the dataset here.
Step 1: Importing the required librar... | [
{
"code": null,
"e": 24736,
"s": 24708,
"text": "\n25 Jun, 2019"
},
{
"code": null,
"e": 24782,
"s": 24736,
"text": "Prerequisites: Generative Adversarial Network"
},
{
"code": null,
"e": 25006,
"s": 24782,
"text": "This article will demonstrate how to build a... |
10 Essential Numerical Summaries in Statistics for Data Science (Theory, Python and R) | by Gustavo Hideo | Towards Data Science | In this article, we will go over the theory and application (with examples in Python and R) of the following numerical summaries:
MeanMedianModePercentileQuartiles (five-number summary)Standard DeviationVarianceRangeProportionCorrelation
Mean
Median
Mode
Percentile
Quartiles (five-number summary)
Standard Deviation
Var... | [
{
"code": null,
"e": 302,
"s": 172,
"text": "In this article, we will go over the theory and application (with examples in Python and R) of the following numerical summaries:"
},
{
"code": null,
"e": 410,
"s": 302,
"text": "MeanMedianModePercentileQuartiles (five-number summary)S... |
Count of sorted triplets (a, b, c) whose product is at most N - GeeksforGeeks | 24 Dec, 2021
Given an integer N, the task is to find the count of triplets (a, b, c) such that a <= b <= c and a * b * c <= N.
Examples:
Input: N = 5Output: 6Explanation: The triplets that follow the required conditions are (1, 1, 1), (1, 1, 2), (1, 1, 3), (1, 1, 4), (1, 1, 5) and (1, 2, 2). Hence the count of value tr... | [
{
"code": null,
"e": 25061,
"s": 25033,
"text": "\n24 Dec, 2021"
},
{
"code": null,
"e": 25175,
"s": 25061,
"text": "Given an integer N, the task is to find the count of triplets (a, b, c) such that a <= b <= c and a * b * c <= N."
},
{
"code": null,
"e": 25185,
"... |
Angular7 - Data Binding | Data Binding is available right from AngularJS, and all the versions of Angular released later on. We use curly braces for data binding - {{}}; this process is called interpolation. We have already seen in our previous examples how we declared the value to the variable title and the same is printed in the browser.
The ... | [
{
"code": null,
"e": 2377,
"s": 2061,
"text": "Data Binding is available right from AngularJS, and all the versions of Angular released later on. We use curly braces for data binding - {{}}; this process is called interpolation. We have already seen in our previous examples how we declared the value... |
File Path with double slash in Java | The double slash in the file path is required as to create the ’\’ character , another ‘\’ needs to be added to escape it. A program that demonstrates this is given as follows −
Live Demo
import java.io.File;
public class Demo {
public static void main(String[] args) {
File file = new File("C:\\jdk11.0.2\\dem... | [
{
"code": null,
"e": 1240,
"s": 1062,
"text": "The double slash in the file path is required as to create the ’\\’ character , another ‘\\’ needs to be added to escape it. A program that demonstrates this is given as follows −"
},
{
"code": null,
"e": 1251,
"s": 1240,
"text": " L... |
Explain Top Hat and Black hat morphological operations in Java. | Morphological operations are the set of operations that process images according to the given shapes.
Erosion − Erosion is a morphological operation during which pixels are removed from the image boundaries.
Erosion − Erosion is a morphological operation during which pixels are removed from the image boundaries.
Dilati... | [
{
"code": null,
"e": 1164,
"s": 1062,
"text": "Morphological operations are the set of operations that process images according to the given shapes."
},
{
"code": null,
"e": 1270,
"s": 1164,
"text": "Erosion − Erosion is a morphological operation during which pixels are removed f... |
Computer Programming - Basic Syntax | Let’s start with a little coding, which will really make you a computer programmer. We are going to write a single-line computer program to write Hello, World! on your screen. Let’s see how it can be written using different programming languages.
Try the following example using our online compiler option available at w... | [
{
"code": null,
"e": 2387,
"s": 2140,
"text": "Let’s start with a little coding, which will really make you a computer programmer. We are going to write a single-line computer program to write Hello, World! on your screen. Let’s see how it can be written using different programming languages."
},
... |
A Cloud ML first: Google’s AI Platform Deep Learning Container with NVIDIA Tensor Core A100 GPU | by James Green | Towards Data Science | A pivotal step forwards in Cloud-based deep learning; for the first time, data scientists can access the unprecedented acceleration of the NVIDIA A100 Tensor Core GPU.
In this article, we provide an introduction to Google’s AI Platform and Deep Learning Containers, before exploring the astonishing performance of the A1... | [
{
"code": null,
"e": 339,
"s": 171,
"text": "A pivotal step forwards in Cloud-based deep learning; for the first time, data scientists can access the unprecedented acceleration of the NVIDIA A100 Tensor Core GPU."
},
{
"code": null,
"e": 499,
"s": 339,
"text": "In this article, w... |
Filter a Pandas DataFrame by a Partial String or Pattern in 8 Ways | by Susan Maina | Towards Data Science | Filtering a DataFrame refers to checking its contents and returning only those that fit certain criteria. It is part of the data analysis task known as data wrangling and is efficiently done using the Pandas library of Python.
The idea is that once you have filtered this data, you can analyze it separately and gain ins... | [
{
"code": null,
"e": 399,
"s": 172,
"text": "Filtering a DataFrame refers to checking its contents and returning only those that fit certain criteria. It is part of the data analysis task known as data wrangling and is efficiently done using the Pandas library of Python."
},
{
"code": null,
... |
Program to find number of swaps required to sort the sequence in python | Suppose we have a list of distinct numbers; we have to find the minimum number of swaps required to sort the list in increasing order.
So, if the input is like nums = [3, 1, 7, 5], then the output will be 2, as we can swap 3 and 1, then 5 and 7.
To solve this, we will follow these steps:
sort_seq := sort the list nums
... | [
{
"code": null,
"e": 1197,
"s": 1062,
"text": "Suppose we have a list of distinct numbers; we have to find the minimum number of swaps required to sort the list in increasing order."
},
{
"code": null,
"e": 1308,
"s": 1197,
"text": "So, if the input is like nums = [3, 1, 7, 5], t... |
PDFBox - Quick Guide | The Portable Document Format (PDF) is a file format that helps to present data in a manner that is independent of Application software, hardware, and operating systems.
Each PDF file holds description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.
There... | [
{
"code": null,
"e": 2196,
"s": 2027,
"text": "The Portable Document Format (PDF) is a file format that helps to present data in a manner that is independent of Application software, hardware, and operating systems."
},
{
"code": null,
"e": 2342,
"s": 2196,
"text": "Each PDF file... |
Predicting Dengue Spread Using Seasonal ARIMAX Model and Meteorological Data | by Nam Nguyen | Towards Data Science | During the last decades, dengue viruses have spread throughout the sub-tropical parts of the world, with an increase in the number of severe forms of dengue such as severe bleeding, low blood pressure, and even death. Because the disease is carried by mosquitoes, the transmission of Dengue fever is related to meteorolo... | [
{
"code": null,
"e": 660,
"s": 172,
"text": "During the last decades, dengue viruses have spread throughout the sub-tropical parts of the world, with an increase in the number of severe forms of dengue such as severe bleeding, low blood pressure, and even death. Because the disease is carried by mos... |
Node.js fs.readdir() Method - GeeksforGeeks | 11 Oct, 2021
The fs.readdir() method is used to asynchronously read the contents of a given directory. The callback of this method returns an array of all the file names in the directory. The options argument can be used to change the format in which the files are returned from the method.
Syntax:
fs.readdir( path, opt... | [
{
"code": null,
"e": 24185,
"s": 24157,
"text": "\n11 Oct, 2021"
},
{
"code": null,
"e": 24463,
"s": 24185,
"text": "The fs.readdir() method is used to asynchronously read the contents of a given directory. The callback of this method returns an array of all the file names in the... |
How to encrypt and decrypt a file using gpg command on linux | There are many choices on hand to secure your data. However, GPG provides the additional benefit to encrypting your data on a priority basis and transfers them securely over the internet. This article explains about – How to Encrypt and Decrypt a file using GPG command on Linux.
To get more information about GPG, use t... | [
{
"code": null,
"e": 1342,
"s": 1062,
"text": "There are many choices on hand to secure your data. However, GPG provides the additional benefit to encrypting your data on a priority basis and transfers them securely over the internet. This article explains about – How to Encrypt and Decrypt a file u... |
Visualizing Worldwide COVID-19 data using Python Plotly Maps | by Bee Guan Teo | Towards Data Science | Note from the editors: Towards Data Science is a Medium publication primarily based on the study of data science and machine learning. We are not health professionals or epidemiologists, and the opinions of this article should not be interpreted as professional advice. To learn more about the coronavirus pandemic, you ... | [
{
"code": null,
"e": 508,
"s": 172,
"text": "Note from the editors: Towards Data Science is a Medium publication primarily based on the study of data science and machine learning. We are not health professionals or epidemiologists, and the opinions of this article should not be interpreted as profes... |
C# Program to combine Dictionary of two keys | Firstly, set the Dictionaries to be combined −
Dictionary <string, int> dict1 = new Dictionary <string, int> ();
dict1.Add("one", 1);
dict1.Add("Two", 2);
Dictionary <string, int> dict2 = new Dictionary <string, int> ();
dict2.Add("Three", 3);
dict2.Add("Four", 4);
Now, use HashSet to combine them. The method used for ... | [
{
"code": null,
"e": 1109,
"s": 1062,
"text": "Firstly, set the Dictionaries to be combined −"
},
{
"code": null,
"e": 1328,
"s": 1109,
"text": "Dictionary <string, int> dict1 = new Dictionary <string, int> ();\ndict1.Add(\"one\", 1);\ndict1.Add(\"Two\", 2);\nDictionary <string, ... |
How to find if two arrays contain any common item in Javascript? - GeeksforGeeks | 19 Oct, 2021
Given two arrays containing array elements and the task is to check if two arrays contain any common elements then it returns True otherwise return False.Examples:
Input: array1 = ['a', 'b', 'c', 'd', 'e']
array2 = ['f', 'g', 'c']
Output: true
Input: array1 = ['x', 'y', 'w', 'z']
array2 = ... | [
{
"code": null,
"e": 26683,
"s": 26655,
"text": "\n19 Oct, 2021"
},
{
"code": null,
"e": 26849,
"s": 26683,
"text": "Given two arrays containing array elements and the task is to check if two arrays contain any common elements then it returns True otherwise return False.Examples:... |
Python - Levy_stable Distribution in Statistics - GeeksforGeeks | 10 Jan, 2020
scipy.stats.levy_stable() is a Levy-stable continuous random variable. It is inherited from the of generic methods as an instance of the rv_continuous class. It completes the methods with details specific for this particular distribution.
Parameters :
q : lower and upper tail probabilityx : quantilesloc : ... | [
{
"code": null,
"e": 25463,
"s": 25435,
"text": "\n10 Jan, 2020"
},
{
"code": null,
"e": 25702,
"s": 25463,
"text": "scipy.stats.levy_stable() is a Levy-stable continuous random variable. It is inherited from the of generic methods as an instance of the rv_continuous class. It co... |
How to install CSI Linux in VirtualBox? - GeeksforGeeks | 06 Oct, 2021
What if there is a multi-purpose operating system designed especially for cyber investigators, yes you read it right and the answer to that question is, yes there is one such operating system known as CSI Linux. It is an open-source ‘theme park’ for the cyber security industry enthusiast. It has tons of re... | [
{
"code": null,
"e": 26197,
"s": 26169,
"text": "\n06 Oct, 2021"
},
{
"code": null,
"e": 26618,
"s": 26197,
"text": "What if there is a multi-purpose operating system designed especially for cyber investigators, yes you read it right and the answer to that question is, yes there ... |
Parse and balance angle brackets problem in JavaScript | We are given a string of angle brackets, and we are required to write a function that add brackets at the beginning and end of the string to make all brackets match.
The angle brackets match if for every < there is a corresponding > and for every > there is a corresponding <.
For example − If the input string is −
cons... | [
{
"code": null,
"e": 1228,
"s": 1062,
"text": "We are given a string of angle brackets, and we are required to write a function that add brackets at the beginning and end of the string to make all brackets match."
},
{
"code": null,
"e": 1339,
"s": 1228,
"text": "The angle bracke... |
2 Keys Keyboard Problem - GeeksforGeeks | 09 Jul, 2021
Given a positive integer N and a string S initially it is “A”, the task is to minimize the number of operations required to form a string consisting of N numbers of A’s by performing one of the following operations in each step:
Copy all the characters present in the string S.
Append all the characters to ... | [
{
"code": null,
"e": 25396,
"s": 25368,
"text": "\n09 Jul, 2021"
},
{
"code": null,
"e": 25625,
"s": 25396,
"text": "Given a positive integer N and a string S initially it is “A”, the task is to minimize the number of operations required to form a string consisting of N numbers o... |
Convert given Matrix into sorted Spiral Matrix - GeeksforGeeks | 24 Nov, 2021
Given a matrix, the task is to convert the given Matrix into sorted Spiral Matrix.Examples:
Input: y[][] = {
{ 2, 5, 12 },
{ 22, 54, 55 },
{ 1, 6, 8 }
};
Output:
1 2 5
45 55 6
22 12 8
Input: y[][] = {
{ 2, 5, 12 },
{ 22, 45,... | [
{
"code": null,
"e": 26251,
"s": 26223,
"text": "\n24 Nov, 2021"
},
{
"code": null,
"e": 26345,
"s": 26251,
"text": "Given a matrix, the task is to convert the given Matrix into sorted Spiral Matrix.Examples: "
},
{
"code": null,
"e": 26694,
"s": 26345,
"text... |
Plotly - Histogram | Introduced by Karl Pearson, a histogram is an accurate representation of the distribution of numerical data which is an estimate of the probability distribution of a continuous variable (CORAL). It appears similar to bar graph, but, a bar graph relates two variables, whereas a histogram relates only one.
A histogram re... | [
{
"code": null,
"e": 2666,
"s": 2360,
"text": "Introduced by Karl Pearson, a histogram is an accurate representation of the distribution of numerical data which is an estimate of the probability distribution of a continuous variable (CORAL). It appears similar to bar graph, but, a bar graph relates ... |
Largest number less than or equal to N in BST (Iterative Approach) - GeeksforGeeks | 09 Aug, 2021
We have a binary search tree and a number N. Our task is to find the greatest number in the binary search tree that is less than or equal to N. Print the value of the element if it exists otherwise print -1.
Examples: For the above given binary search tree-
Input : N = 24
Output :result = 21
(searching ... | [
{
"code": null,
"e": 26579,
"s": 26551,
"text": "\n09 Aug, 2021"
},
{
"code": null,
"e": 26789,
"s": 26579,
"text": "We have a binary search tree and a number N. Our task is to find the greatest number in the binary search tree that is less than or equal to N. Print the value of ... |
Check if a Stack contains an element in C# | To check if a Stack has elements, use the C# Contains() method. Following is the code −
Live Demo
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
Stack<int> stack = new Stack<int>();
stack.Push(100);
stack.Push(150);
stack.Push(175);
stack... | [
{
"code": null,
"e": 1150,
"s": 1062,
"text": "To check if a Stack has elements, use the C# Contains() method. Following is the code −"
},
{
"code": null,
"e": 1161,
"s": 1150,
"text": " Live Demo"
},
{
"code": null,
"e": 1820,
"s": 1161,
"text": "using System... |
Android - XML Parser | XML stands for Extensible Mark-up Language.XML is a very popular format and commonly used for sharing data on the internet. This chapter explains how to parse the XML file and extract necessary information from it.
Android provides three types of XML parsers which are DOM,SAX and XMLPullParser. Among all of them androi... | [
{
"code": null,
"e": 3822,
"s": 3607,
"text": "XML stands for Extensible Mark-up Language.XML is a very popular format and commonly used for sharing data on the internet. This chapter explains how to parse the XML file and extract necessary information from it."
},
{
"code": null,
"e": 4... |
Rearrange a given linked list in-place. - GeeksforGeeks | 18 Apr, 2022
Given a singly linked list L0 -> L1 -> ... -> Ln-1 -> Ln. Rearrange the nodes in the list so that the new formed list is : L0 -> Ln -> L1 -> Ln-1 -> L2 -> Ln-2 ...You are required to do this in place without altering the nodes’ values.
Examples:
Input: 1 -> 2 -> 3 -> 4
Output: 1 -> 4 -> 2 -> 3
Input: ... | [
{
"code": null,
"e": 24581,
"s": 24553,
"text": "\n18 Apr, 2022"
},
{
"code": null,
"e": 24818,
"s": 24581,
"text": "Given a singly linked list L0 -> L1 -> ... -> Ln-1 -> Ln. Rearrange the nodes in the list so that the new formed list is : L0 -> Ln -> L1 -> Ln-1 -> L2 -> Ln-2 ...... |
Longest Common Prefix using Character by Character Matching - GeeksforGeeks | 08 Apr, 2021
Given a set of strings, find the longest common prefix.
Input : {“geeksforgeeks”, “geeks”, “geek”, “geezer”}
Output : "gee"
Input : {"apple", "ape", "april"}
Output : "ap"
We have discussed word by word matching algorithm in previous post.In this algorithm, instead of going through the strings one by... | [
{
"code": null,
"e": 24732,
"s": 24704,
"text": "\n08 Apr, 2021"
},
{
"code": null,
"e": 24789,
"s": 24732,
"text": "Given a set of strings, find the longest common prefix. "
},
{
"code": null,
"e": 24908,
"s": 24789,
"text": "Input : {“geeksforgeeks”, “geeks... |
scipy stats.genpareto() | Python - GeeksforGeeks | 27 Mar, 2019
scipy.stats.genpareto() is an generalized Pareto continuous random variable that is defined with a standard format and some shape parameters to complete its specification.
Parameters :-> q : lower and upper tail probability-> a, b : shape parameters-> x : quantiles-> loc : [optional]location parameter. Def... | [
{
"code": null,
"e": 24188,
"s": 24160,
"text": "\n27 Mar, 2019"
},
{
"code": null,
"e": 24360,
"s": 24188,
"text": "scipy.stats.genpareto() is an generalized Pareto continuous random variable that is defined with a standard format and some shape parameters to complete its specif... |
Check if Pascal's Triangle is possible with a complete layer by using numbers upto N - GeeksforGeeks | 05 Apr, 2021
Given a number N, the task is to determine if it is possible to make Pascal’s triangle with a complete layer by using total number N integer if possible print Yes otherwise print No.
Note: Pascal’s triangle is a triangular array of the binomial coefficients. Following are the first 6 rows of Pascal’s Trian... | [
{
"code": null,
"e": 25344,
"s": 25316,
"text": "\n05 Apr, 2021"
},
{
"code": null,
"e": 25527,
"s": 25344,
"text": "Given a number N, the task is to determine if it is possible to make Pascal’s triangle with a complete layer by using total number N integer if possible print Yes ... |
How to find if element exists in document - MongoDB? | To find if element exists in a MongoDB document, use MongoDB $exists. Let us create a
collection with documents −
> db.demo497.insertOne({"details":[{"Name":"Chris"},{"Name":"Bob"}]});{
"acknowledged" : true,
"insertedId" : ObjectId("5e84b3cfb0f3fa88e22790d1")
}
> db.demo497.insertOne({"details":[{"Name":"Carol"}... | [
{
"code": null,
"e": 1176,
"s": 1062,
"text": "To find if element exists in a MongoDB document, use MongoDB $exists. Let us create a\ncollection with documents −"
},
{
"code": null,
"e": 1597,
"s": 1176,
"text": "> db.demo497.insertOne({\"details\":[{\"Name\":\"Chris\"},{\"Name\"... |
Word Embedding Using BERT In Python | by Anirudh S | Towards Data Science | In the world of NLP, representing words or sentences in a vector form or word embedding opens up the gates to various potential applications. This functionality of encoding words into vectors is a powerful tool for NLP tasks such as calculating semantic similarity between words with which one can build a semantic searc... | [
{
"code": null,
"e": 738,
"s": 172,
"text": "In the world of NLP, representing words or sentences in a vector form or word embedding opens up the gates to various potential applications. This functionality of encoding words into vectors is a powerful tool for NLP tasks such as calculating semantic s... |
Sublime Text - Command Palette | Command Palette includes a list of items or commands which are used frequently. The entries of commands are included in the .sublime-commands file.
To open a command palette in Sublime Text editor, you can use the shortcut key combination Ctrl+Shift+P on Windows and Cmd+Shift+P on OSX.
The commonly used commands from t... | [
{
"code": null,
"e": 2605,
"s": 2457,
"text": "Command Palette includes a list of items or commands which are used frequently. The entries of commands are included in the .sublime-commands file."
},
{
"code": null,
"e": 2744,
"s": 2605,
"text": "To open a command palette in Subli... |
Impala - With Clause | In case a query is way too complex, we can define aliases to complex parts and include them in the query using the with clause of Impala.
Following is the syntax of the with clause in Impala.
with x as (select 1), y as (select 2) (select * from x union y);
Assume we have a table named customers in the database my_db a... | [
{
"code": null,
"e": 2423,
"s": 2285,
"text": "In case a query is way too complex, we can define aliases to complex parts and include them in the query using the with clause of Impala."
},
{
"code": null,
"e": 2477,
"s": 2423,
"text": "Following is the syntax of the with clause i... |
Generate Random bytes in Java | In order to generate random bytes in Java, we use the nextBytes() method. The java.util.Random.nextBytes() method generates random bytes and provides it to the user defined byte array.
Declaration − The java.util.Random.nextBytes() method is declared as follows −
public void nextBytes(byte[] bytes)
where bytes is the b... | [
{
"code": null,
"e": 1247,
"s": 1062,
"text": "In order to generate random bytes in Java, we use the nextBytes() method. The java.util.Random.nextBytes() method generates random bytes and provides it to the user defined byte array."
},
{
"code": null,
"e": 1326,
"s": 1247,
"text"... |
Ruby - String split() Method with Examples - GeeksforGeeks | 03 Jul, 2020
split is a String class method in Ruby which is used to split the given string into an array of substrings based on a pattern specified.
Here the pattern can be a Regular Expression or a string. If pattern is a Regular Expression or a string, str is divided where the pattern matches.
Syntax:
arr = str.spli... | [
{
"code": null,
"e": 23221,
"s": 23193,
"text": "\n03 Jul, 2020"
},
{
"code": null,
"e": 23358,
"s": 23221,
"text": "split is a String class method in Ruby which is used to split the given string into an array of substrings based on a pattern specified."
},
{
"code": null... |
Reversing the first K elements of a Queue - GeeksforGeeks | 03 Dec, 2021
Given an integer k and a queue of integers, we need to reverse the order of the first k elements of the queue, leaving the other elements in the same relative order.Only following standard operations are allowed on queue.
enqueue(x) : Add an item x to rear of queue
dequeue() : Remove an item from front of... | [
{
"code": null,
"e": 24333,
"s": 24305,
"text": "\n03 Dec, 2021"
},
{
"code": null,
"e": 24556,
"s": 24333,
"text": "Given an integer k and a queue of integers, we need to reverse the order of the first k elements of the queue, leaving the other elements in the same relative orde... |
Why do we use re.compile() method in Python regular expression? | re.compile(pattern, repl, string):
We can combine a regular expression pattern into pattern objects, which can be used for pattern matching. It also helps to search a pattern again without rewriting it.
import re
pattern=re.compile('TP')
result=pattern.findall('TP Tutorialspoint TP')
print result
result2=pattern.finda... | [
{
"code": null,
"e": 1097,
"s": 1062,
"text": "re.compile(pattern, repl, string):"
},
{
"code": null,
"e": 1266,
"s": 1097,
"text": " We can combine a regular expression pattern into pattern objects, which can be used for pattern matching. It also helps to search a pattern again ... |
Check if value is empty in JavaScript | Use the condition with “” and NULL to check if value is empty. Throw a message whenever ua ser does not fill the text box value.
Live Demo
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<link rel="stylesheet" ... | [
{
"code": null,
"e": 1191,
"s": 1062,
"text": "Use the condition with “” and NULL to check if value is empty. Throw a message whenever ua ser does not fill the text box value."
},
{
"code": null,
"e": 1202,
"s": 1191,
"text": " Live Demo"
},
{
"code": null,
"e": 2038,... |
How do I change the background of a Frame in Tkinter? | In order to change the background color and foreground color of a tkinter frame, we can assign different values to the bg and fg parameters in the Frame function.
In this example, we have created two frames with different background colors.
#Import the required libraries
from tkinter import *
#Create an instance of tk... | [
{
"code": null,
"e": 1225,
"s": 1062,
"text": "In order to change the background color and foreground color of a tkinter frame, we can assign different values to the bg and fg parameters in the Frame function."
},
{
"code": null,
"e": 1303,
"s": 1225,
"text": "In this example, we... |
How to find the position of a data frame’s column value based on a column value of another data frame in R? | In data analysis, we encounter many problems with a lot of variations among them. One such problem is we have some information in a place that needs to be checked through a different place and these places can be data frames. Therefore, we need to find the position of a data frame’s column value based on a column value... | [
{
"code": null,
"e": 1465,
"s": 1062,
"text": "In data analysis, we encounter many problems with a lot of variations among them. One such problem is we have some information in a place that needs to be checked through a different place and these places can be data frames. Therefore, we need to find ... |
java.time.LocalDateTime.minusHours() Method Example | The java.time.LocalDateTime.minusHours(long hoursToSubtract) method returns a copy of this LocalDateTime with the specified hours subtracted.
Following is the declaration for java.time.LocalDateTime.minusHours(long hoursToSubtract) method.
public LocalDateTime minusHours(long hoursToSubtract)
hoursToSubtract − the hou... | [
{
"code": null,
"e": 2057,
"s": 1915,
"text": "The java.time.LocalDateTime.minusHours(long hoursToSubtract) method returns a copy of this LocalDateTime with the specified hours subtracted."
},
{
"code": null,
"e": 2155,
"s": 2057,
"text": "Following is the declaration for java.ti... |
Material Icons | Google provides a set of 750 icons designed under "material design guidelines" and these are known as Material Design icons. These icons are simple and they support all modern web browsers. Since these icons are vector based, they are scalable as well. To use these icons, we have to load the font (library) material-ic... | [
{
"code": null,
"e": 2891,
"s": 2566,
"text": "Google provides a set of 750 icons designed under \"material design guidelines\" and these are known as Material Design icons. These icons are simple and they support all modern web browsers. Since these icons are vector based, they are scalable as wel... |
Apache Commons DBUtils - First Application | This chapter provides an example of how to create a simple JDBC application using DBUtils library. This will show you, how to open a database connection, execute a SQL query, and display the results.
All the steps mentioned in this template example, would be explained in subsequent chapters of this tutorial.
There are ... | [
{
"code": null,
"e": 2352,
"s": 2152,
"text": "This chapter provides an example of how to create a simple JDBC application using DBUtils library. This will show you, how to open a database connection, execute a SQL query, and display the results."
},
{
"code": null,
"e": 2462,
"s": 2... |
Arithmetic operations using OpenCV in Python | In this tutorial, we are going to perform arithmetic operations on images using OpenCV in Python. We need to install the OpenCV module.
Run the following command to install the OpenCV module.
pip install opencv-python==4.1.1.26
If you run the above command, you will get the following successful message.
Collecting open... | [
{
"code": null,
"e": 1198,
"s": 1062,
"text": "In this tutorial, we are going to perform arithmetic operations on images using OpenCV in Python. We need to install the OpenCV module."
},
{
"code": null,
"e": 1254,
"s": 1198,
"text": "Run the following command to install the OpenC... |
Maximum sum of i*arr[i] among all rotations of a given array | 04 Jul, 2022
Given an array arr[] of n integers, find the maximum that maximizes the sum of the value of i*arr[i] where i varies from 0 to n-1.
Examples:
Input: arr[] = {8, 3, 1, 2}
Output: 29
Explanation: Lets look at all the rotations,
{8, 3, 1, 2} = 8*0 + 3*1 + 1*2 + 2*3 = 11
{3, 1, 2, 8} = 3*0 + 1*1 + 2*2 + 8*3 =... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n04 Jul, 2022"
},
{
"code": null,
"e": 185,
"s": 54,
"text": "Given an array arr[] of n integers, find the maximum that maximizes the sum of the value of i*arr[i] where i varies from 0 to n-1."
},
{
"code": null,
"e": 197,
... |
Explicit feature maps for non-linear kernel functions | by Konstantin Kutzkov | Towards Data Science | It is all about finding the right space
At a high level, many machine learning algorithms can be thought of as consisting of the following steps.
We are given an input dataset where examples are described by n-dimensional feature vectors. In supervised problems we are also given a target label.Map the feature vectors t... | [
{
"code": null,
"e": 211,
"s": 171,
"text": "It is all about finding the right space"
},
{
"code": null,
"e": 317,
"s": 211,
"text": "At a high level, many machine learning algorithms can be thought of as consisting of the following steps."
},
{
"code": null,
"e": 569... |
Count numbers from range whose prime factors are only 2 and 3 in C++ | We are provided two numbers START and END to define a range of numbers. The goal is to find the numbers that have only 2 and 3 as their prime factors and are in the range [START,END].
We will do this by traversing numbers from START to END and for each number we will check if the number is divisible by 2 and 3 only. If... | [
{
"code": null,
"e": 1246,
"s": 1062,
"text": "We are provided two numbers START and END to define a range of numbers. The goal is to find the numbers that have only 2 and 3 as their prime factors and are in the range [START,END]."
},
{
"code": null,
"e": 1525,
"s": 1246,
"text":... |
Creating and training a U-Net model with PyTorch for 2D & 3D semantic segmentation: Dataset building [1/4] | by Johannes Schmidt | Towards Data Science | In this series (4 parts) we will perform semantic segmentation on images using plain PyTorch and the U-Net architecture. I will cover the following topics: Dataset building, model building (U-Net), training and inference. For that I will use a sample of the infamous Carvana dataset (2D images), but the code and the met... | [
{
"code": null,
"e": 747,
"s": 171,
"text": "In this series (4 parts) we will perform semantic segmentation on images using plain PyTorch and the U-Net architecture. I will cover the following topics: Dataset building, model building (U-Net), training and inference. For that I will use a sample of t... |
Creating AWS EC2 and connecting it with AWS Cloud9 IDE and AWS S3 | by Ahmed Amer | Towards Data Science | Sometimes, you can be blocked from completing a task just because of your desktop capabilities. As a data scientist for example, most of the time it is almost impossible to load a huge dataset to your personal desktop. Even if you were able to load this data, training your model might take forever. One possible solutio... | [
{
"code": null,
"e": 570,
"s": 172,
"text": "Sometimes, you can be blocked from completing a task just because of your desktop capabilities. As a data scientist for example, most of the time it is almost impossible to load a huge dataset to your personal desktop. Even if you were able to load this d... |
How do I subtract minutes from a date in JavaScript? | To subtract minutes to a JavaScript Date object, use the setMinutes() method. JavaScript date setMinutes() method sets the minutes for a specified date according to local time.
You can try to run the following code to subtract 20 minutes.
<html>
<head>
<title>JavaScript setMinutes Method</title>
</head>
... | [
{
"code": null,
"e": 1239,
"s": 1062,
"text": "To subtract minutes to a JavaScript Date object, use the setMinutes() method. JavaScript date setMinutes() method sets the minutes for a specified date according to local time."
},
{
"code": null,
"e": 1301,
"s": 1239,
"text": "You c... |
How to get local date in android using local date API class? | This example demonstrate about How to get local date in android using local date API class.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-... | [
{
"code": null,
"e": 1154,
"s": 1062,
"text": "This example demonstrate about How to get local date in android using local date API class."
},
{
"code": null,
"e": 1283,
"s": 1154,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all req... |
How to Make a Professional-looking Shiny App and Not Get Intimidated (With R) | by Lathan Liou | Towards Data Science | This article is aimed towards people who have experience with R (ideally the tidyverse) and want to learn how to start making Shiny apps. For those who haven’t heard of Shiny before, it’s a package that allows you to create web applications using R without needing to know any HTML, CSS, or Javascript. That being said, ... | [
{
"code": null,
"e": 1120,
"s": 172,
"text": "This article is aimed towards people who have experience with R (ideally the tidyverse) and want to learn how to start making Shiny apps. For those who haven’t heard of Shiny before, it’s a package that allows you to create web applications using R witho... |
Output of C programs | Set 50 (Control Structures) - GeeksforGeeks | 12 Jul, 2019
Here are some C programs which is related to the control structures With the detailed explanation, guess the output of the following programs:-
1.what will be the output of the below program?
#include <stdio.h>int main(){ int x = 2; switch (x) { x--; switch (x) { case 1: ... | [
{
"code": null,
"e": 25809,
"s": 25781,
"text": "\n12 Jul, 2019"
},
{
"code": null,
"e": 25953,
"s": 25809,
"text": "Here are some C programs which is related to the control structures With the detailed explanation, guess the output of the following programs:-"
},
{
"code... |
Sorting contents of a Data Frame in Julia - GeeksforGeeks | 25 Mar, 2021
Sorting is a technique of storing data in sorted order. Sorting can be performed using sorting algorithms or sorting functions. to sort in a particular dataframe then extracting its values and applying the sorting function would easily sort the contents of a particular dataframe. Julia provides various met... | [
{
"code": null,
"e": 25789,
"s": 25761,
"text": "\n25 Mar, 2021"
},
{
"code": null,
"e": 26157,
"s": 25789,
"text": "Sorting is a technique of storing data in sorted order. Sorting can be performed using sorting algorithms or sorting functions. to sort in a particular dataframe t... |
Shell Scripting - Select Loop - GeeksforGeeks | 04 Jan, 2022
The select loop is one of the categories of loops in bash programming. A select-loop in the shell can be stopped in two cases only if there is a break statement or a keyboard interrupt. The main objective of using a select loop is that it represents different data elements in the form of a numbered list to... | [
{
"code": null,
"e": 25651,
"s": 25623,
"text": "\n04 Jan, 2022"
},
{
"code": null,
"e": 26041,
"s": 25651,
"text": "The select loop is one of the categories of loops in bash programming. A select-loop in the shell can be stopped in two cases only if there is a break statement or... |
tar command in Linux with examples - GeeksforGeeks | 23 Jun, 2021
The Linux ‘tar’ stands for tape archive, is used to create Archive and extract the Archive files. tar command in Linux is one of the important command which provides archiving functionality in Linux. We can use Linux tar command to create compressed or uncompressed Archive files and also maintain and modif... | [
{
"code": null,
"e": 25169,
"s": 25141,
"text": "\n23 Jun, 2021"
},
{
"code": null,
"e": 25485,
"s": 25169,
"text": "The Linux ‘tar’ stands for tape archive, is used to create Archive and extract the Archive files. tar command in Linux is one of the important command which provid... |
Prime Numbers in Discrete Mathematics - GeeksforGeeks | 27 Aug, 2021
Overview :An integer p>1 is called a prime number, or prime if the only positive divisors of p are 1 and p. An integer q>1 that is not prime is called composite.
Example –The integers 2,3,5,7 and 11 are prime numbers, and the integers 4,6,8, and 9 are composite.
Theorem-1: An integer p>1 is prime if and on... | [
{
"code": null,
"e": 26162,
"s": 26134,
"text": "\n27 Aug, 2021"
},
{
"code": null,
"e": 26324,
"s": 26162,
"text": "Overview :An integer p>1 is called a prime number, or prime if the only positive divisors of p are 1 and p. An integer q>1 that is not prime is called composite."
... |
Summing the sum series - GeeksforGeeks | 15 Apr, 2021
Defined a function that calculates the twice of sum of first N natural numbers as sum(N). Your task is to modify the function to sumX(N, M, K) that calculates sum( K + sum( K + sum( K + ...sum(K + N)...))), continuing for M terms. For a given N, M and K calculate the value of sumX(N, M, K). Note: Since the... | [
{
"code": null,
"e": 25937,
"s": 25909,
"text": "\n15 Apr, 2021"
},
{
"code": null,
"e": 26319,
"s": 25937,
"text": "Defined a function that calculates the twice of sum of first N natural numbers as sum(N). Your task is to modify the function to sumX(N, M, K) that calculates sum(... |
JavaScript Date toDateString() Method - GeeksforGeeks | 22 Oct, 2021
Below is the example of Date toDateString() method.
Example:<script> // Here a date has been assigned // while creating Date object var dateobj = new Date('October 15, 1996 05:35:32'); // Contents of date portion of above date // object is converted into a string using // toDateString() me... | [
{
"code": null,
"e": 26095,
"s": 26067,
"text": "\n22 Oct, 2021"
},
{
"code": null,
"e": 26147,
"s": 26095,
"text": "Below is the example of Date toDateString() method."
},
{
"code": null,
"e": 26510,
"s": 26147,
"text": "Example:<script> // Here a date has ... |
Mersenne Prime - GeeksforGeeks | 26 Mar, 2021
Mersenne Prime is a prime number that is one less than a power of two. In other words, any prime is Mersenne Prime if it is of the form 2k-1 where k is an integer greater than or equal to 2. First few Mersenne Primes are 3, 7, 31 and 127.The task is print all Mersenne Primes smaller than an input positive ... | [
{
"code": null,
"e": 26327,
"s": 26299,
"text": "\n26 Mar, 2021"
},
{
"code": null,
"e": 26656,
"s": 26327,
"text": "Mersenne Prime is a prime number that is one less than a power of two. In other words, any prime is Mersenne Prime if it is of the form 2k-1 where k is an integer ... |
GATE | GATE CS 2018 | Question 7 - GeeksforGeeks | 22 Feb, 2018
In a party, 60% of the invited guests are male and 40% are female. If 80% of the invited guests attended the party and if all the invited female guests attended, what would be the ratio of males to females among the attendees in the party?
(A) 2:3(B) 1:1(C) 3:2(D) 2:1Answer: (B)Explanation:
Let total males... | [
{
"code": null,
"e": 25589,
"s": 25561,
"text": "\n22 Feb, 2018"
},
{
"code": null,
"e": 25829,
"s": 25589,
"text": "In a party, 60% of the invited guests are male and 40% are female. If 80% of the invited guests attended the party and if all the invited female guests attended, w... |
Setting decimal precision in C - GeeksforGeeks | 02 Jun, 2017
How to print floating point numbers with a specified precision? Rounding is not required. For example, 5.48958123 should be printed as 5.4895 if given precision is 4.
For example, below program sets the precision for 4 digits after the decimal point:
// C program to set precision in floating point numbers#... | [
{
"code": null,
"e": 25944,
"s": 25916,
"text": "\n02 Jun, 2017"
},
{
"code": null,
"e": 26111,
"s": 25944,
"text": "How to print floating point numbers with a specified precision? Rounding is not required. For example, 5.48958123 should be printed as 5.4895 if given precision is... |
wxPython - Change Font of StaticText - GeeksforGeeks | 18 Jun, 2020
In this article we are going to learn how can we change the font of static text present on the window. To do this first of all, we wil create a wx.Font class of wxPython. After this we will use SetFont() function of wx.StaticText class.SetFont() function takes a sing wx.Font type parameter.
Syntax: wx.Stat... | [
{
"code": null,
"e": 25675,
"s": 25647,
"text": "\n18 Jun, 2020"
},
{
"code": null,
"e": 25967,
"s": 25675,
"text": "In this article we are going to learn how can we change the font of static text present on the window. To do this first of all, we wil create a wx.Font class of wx... |
HTML | DOM Video playbackRate Property - GeeksforGeeks | 18 Nov, 2021
The Video playbackRate property in HTML DOM is used to set or return the current playback speed of the video. The video playbackRate property returns a number which represents the current playback speed.
Syntax:
It returns the Video playbackRate property.videoObject.playbackRate
videoObject.playbackRate
It... | [
{
"code": null,
"e": 26302,
"s": 26274,
"text": "\n18 Nov, 2021"
},
{
"code": null,
"e": 26506,
"s": 26302,
"text": "The Video playbackRate property in HTML DOM is used to set or return the current playback speed of the video. The video playbackRate property returns a number whic... |
C/C++ Preprocessor directives | Set 2 | 26 Apr, 2022
C/C++ Preprocessor directives basics Preprocessor directives: In almost every program we come across in C/C++, we see a few lines at the top of the program preceded by a hash (#) sign. These lines are preprocessed by the compiler before actual compilation begins. The end of these lines are identified by th... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n26 Apr, 2022"
},
{
"code": null,
"e": 702,
"s": 52,
"text": "C/C++ Preprocessor directives basics Preprocessor directives: In almost every program we come across in C/C++, we see a few lines at the top of the program preceded by a hash... |
ML | Hierarchical clustering (Agglomerative and Divisive clustering) | 06 Oct, 2021
In data mining and statistics, hierarchical clustering analysis is a method of cluster analysis that seeks to build a hierarchy of clusters i.e. tree-type structure based on the hierarchy.
Basically, there are two types of hierarchical cluster analysis strategies –
1. Agglomerative Clustering: Also known ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n06 Oct, 2021"
},
{
"code": null,
"e": 242,
"s": 52,
"text": "In data mining and statistics, hierarchical clustering analysis is a method of cluster analysis that seeks to build a hierarchy of clusters i.e. tree-type structure based on ... |
TimeUnit toMillis() method in Java with Examples | 30 Oct, 2018
The toMillis() method of TimeUnit Class is used to get the time represented by the TimeUnit object, as the number of Seconds, since midnight UTC on the 1st January 1970.
Syntax:
public long toMillis(long duration)
Parameters: This method accepts a mandatory parameter duration which is the duration in milli... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Oct, 2018"
},
{
"code": null,
"e": 198,
"s": 28,
"text": "The toMillis() method of TimeUnit Class is used to get the time represented by the TimeUnit object, as the number of Seconds, since midnight UTC on the 1st January 1970."
},... |
HashMap get() Method in Java | 11 May, 2022
The java.util.HashMap.get() method of HashMap 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.
Syntax:
Hash_Map.get(Object key_element)
Parameter: The method takes one parameter key_element... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n11 May, 2022"
},
{
"code": null,
"e": 265,
"s": 52,
"text": "The java.util.HashMap.get() method of HashMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the map... |
Man in the Middle attack in Diffie-Hellman Key Exchange | 18 Jul, 2021
Prerequisite: Diffie-Hellman Algorithm
Diffie-Hellman Key Exchange algorithm is an advanced cryptographic method used to establish a shared secret (or shared secret key) that can be used to perform secret communication on a public network between Alice and Bob while preventing Eve (eavesdropper), who can ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n18 Jul, 2021"
},
{
"code": null,
"e": 68,
"s": 28,
"text": "Prerequisite: Diffie-Hellman Algorithm "
},
{
"code": null,
"e": 409,
"s": 68,
"text": "Diffie-Hellman Key Exchange algorithm is an advanced cryptographic m... |
Count number of increasing subsequences of size k - GeeksforGeeks | 01 Oct, 2021
Given an array arr[] containing n integers. The problem is to count number of increasing subsequences in the array of size k.
Examples:
Input : arr[] = {2, 6, 4, 5, 7},
k = 3
Output : 5
The subsequences of size '3' are:
{2, 6, 7}, {2, 4, 5}, {2, 4, 7},
{2, 5, 7} and {4, 5, 7}.
Input : arr[] ... | [
{
"code": null,
"e": 26507,
"s": 26479,
"text": "\n01 Oct, 2021"
},
{
"code": null,
"e": 26633,
"s": 26507,
"text": "Given an array arr[] containing n integers. The problem is to count number of increasing subsequences in the array of size k."
},
{
"code": null,
"e": ... |
Check if any anagram of a string is palindrome or not - GeeksforGeeks | 26 May, 2021
We have given an anagram string and we have to check whether it can be made palindrome o not. Examples:
Input : geeksforgeeks
Output : No
There is no palindrome anagram of
given string
Input : geeksgeeks
Output : Yes
There are palindrome anagrams of
given string. For example kgeesseegk
This problem is... | [
{
"code": null,
"e": 25212,
"s": 25184,
"text": "\n26 May, 2021"
},
{
"code": null,
"e": 25317,
"s": 25212,
"text": "We have given an anagram string and we have to check whether it can be made palindrome o not. Examples: "
},
{
"code": null,
"e": 25504,
"s": 25317... |
Android imageView Zoom-in and Zoom-Out? | This example demonstrates how do I Zoom In and Zoom Out an android ImageView.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?>
<LinearLa... | [
{
"code": null,
"e": 1140,
"s": 1062,
"text": "This example demonstrates how do I Zoom In and Zoom Out an android ImageView."
},
{
"code": null,
"e": 1269,
"s": 1140,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details ... |
Wand rectangle() function in Python - GeeksforGeeks | 10 May, 2020
rectangle() function, as the name describes this function is used to draw a circle using wand.drawing object in Python. rectangle takes many arguments like left, top, right, bottom, width, height etc.
Syntax : wand.drawing.rectangle(left, top, right, bottom, width, height, radius, xradius, yradius)
Paramet... | [
{
"code": null,
"e": 26495,
"s": 26467,
"text": "\n10 May, 2020"
},
{
"code": null,
"e": 26696,
"s": 26495,
"text": "rectangle() function, as the name describes this function is used to draw a circle using wand.drawing object in Python. rectangle takes many arguments like left, t... |
Print a 2 D Array or Matrix in Java - GeeksforGeeks | 19 Feb, 2021
Prerequisites: Arrays in Java, Array Declarations in Java (Single and Multidimensional)
Method 1 (Simple Traversal)
We can find the number of rows in a matrix mat[][] using mat.length. To find the number of columns in i-th row, we use mat[i].length.
Java
// Java program to print the elements of// a 2 D ar... | [
{
"code": null,
"e": 26257,
"s": 26229,
"text": "\n19 Feb, 2021"
},
{
"code": null,
"e": 26345,
"s": 26257,
"text": "Prerequisites: Arrays in Java, Array Declarations in Java (Single and Multidimensional)"
},
{
"code": null,
"e": 26374,
"s": 26345,
"text": "Me... |
Convert a Binary Tree into Doubly Linked List in spiral fashion - GeeksforGeeks | 02 Mar, 2022
Given a Binary Tree, convert it into Doubly Linked List where the nodes are represented Spirally. The left pointer of the binary tree node should act as a previous node for created DLL and right pointer should act as next node. The solution should not allocate extra memory for DLL nodes. It should use bina... | [
{
"code": null,
"e": 37644,
"s": 37616,
"text": "\n02 Mar, 2022"
},
{
"code": null,
"e": 38024,
"s": 37644,
"text": "Given a Binary Tree, convert it into Doubly Linked List where the nodes are represented Spirally. The left pointer of the binary tree node should act as a previous... |
NumPy Sorting Arrays | Sorting means putting elements in an ordered sequence.
Ordered sequence is any sequence that has an order corresponding to elements, like numeric or alphabetical, ascending or descending.
The NumPy ndarray object has a function called sort(),
that will sort a specified array.
Sort the array:
Note: This method returns ... | [
{
"code": null,
"e": 55,
"s": 0,
"text": "Sorting means putting elements in an ordered sequence."
},
{
"code": null,
"e": 188,
"s": 55,
"text": "Ordered sequence is any sequence that has an order corresponding to elements, like numeric or alphabetical, ascending or descending."
... |
Sentiment analysis on the tweets about distance learning with TextBlob | by Barış Hasdemir | Towards Data Science | Hi everyone,
The Covid19 Pandemic brought about distance learning in the 2020 academic term. Although some people could adapt easily, some of them found it inefficient. Nowadays, the re-opening of schools is being discussed. Most experts suggest that at least one semester should be online again. As a student who passed... | [
{
"code": null,
"e": 185,
"s": 172,
"text": "Hi everyone,"
},
{
"code": null,
"e": 685,
"s": 185,
"text": "The Covid19 Pandemic brought about distance learning in the 2020 academic term. Although some people could adapt easily, some of them found it inefficient. Nowadays, the re-... |
Apache POI PPT - Slide Layouts | In the previous chapter, you have seen how to create empty slides and how to add slides to it. In this chapter, you will learn how to get the list of available slides, and how to create a slide with different layouts.
PowerPoint presentations have slide layouts, and you can choose a desired layout to edit a slide. Firs... | [
{
"code": null,
"e": 2235,
"s": 2017,
"text": "In the previous chapter, you have seen how to create empty slides and how to add slides to it. In this chapter, you will learn how to get the list of available slides, and how to create a slide with different layouts."
},
{
"code": null,
"e"... |
Difference between the largest and the smallest primes in an array in Java | With a given array of integers where all elements are less than 1000000. Find the difference between the largest and the smallest primes in an array.
Array: [ 1, 2, 3, 4, 5 ]
Largest Prime Number = 5
Smallest Prime Number = 2
Difference = 5 - 3 = 2.
Use Sieve of Eratosthenes approach, which is an efficient way to fin... | [
{
"code": null,
"e": 1212,
"s": 1062,
"text": "With a given array of integers where all elements are less than 1000000. Find the difference between the largest and the smallest primes in an array."
},
{
"code": null,
"e": 1314,
"s": 1212,
"text": "Array: [ 1, 2, 3, 4, 5 ]\n\nLarg... |
CSS - background-image | background-image defines a pointer to an image resource which is to be placed in the background of an element.
uri − URL of the image.
uri − URL of the image.
none − Setting background-image to none means that no background image should be used for matching elements.
none − Setting background-image to none means that n... | [
{
"code": null,
"e": 2737,
"s": 2626,
"text": "background-image defines a pointer to an image resource which is to be placed in the background of an element."
},
{
"code": null,
"e": 2761,
"s": 2737,
"text": "uri − URL of the image."
},
{
"code": null,
"e": 2785,
... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.