title stringlengths 3 221 | text stringlengths 17 477k | parsed listlengths 0 3.17k |
|---|---|---|
Replace a string using StringBuilder | Set a String −
StringBuilder str = new StringBuilder("Fitness is important");
Use the Replace() method to replace a string −
str.Replace("important", "essential");
The following is the code to replace a string using StringBuilder −
Live Demo
using System;
using System.Text;
class Demo {
static void Main() {
... | [
{
"code": null,
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"s": 1062,
"text": "Set a String −"
},
{
"code": null,
"e": 1140,
"s": 1077,
"text": "StringBuilder str = new StringBuilder(\"Fitness is important\");"
},
{
"code": null,
"e": 1187,
"s": 1140,
"text": "Use the Replace() method to rep... |
How to print in same line in Python? | The print() method in Python automatically prints in the next line each time. The print() method by default takes the pointer to the next line.
Live Demo
for i in range(5):
print(i)
0
1
2
3
4
The print method takes an extra parameter end=” “ to keep the pointer on the same line.
The end parameter can take certain v... | [
{
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"text": "The print() method in Python automatically prints in the next line each time. The print() method by default takes the pointer to the next line."
},
{
"code": null,
"e": 1217,
"s": 1206,
"text": " Live Demo"
},
{
"code": null,... |
AI with Python â Data Preparation | We have already studied supervised as well as unsupervised machine learning algorithms. These algorithms require formatted data to start the training process. We must prepare or format data in a certain way so that it can be supplied as an input to ML algorithms.
This chapter focuses on data preparation for machine lea... | [
{
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"text": "We have already studied supervised as well as unsupervised machine learning algorithms. These algorithms require formatted data to start the training process. We must prepare or format data in a certain way so that it can be supplied as an input to ML a... |
Disable a list item in a Bootstrap list group | Use the .disabled class in Bootstrap to disable a list item in a list group in Bootstrap.
You can try to run the following code to disable a list item −
Live Demo
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<scri... | [
{
"code": null,
"e": 1152,
"s": 1062,
"text": "Use the .disabled class in Bootstrap to disable a list item in a list group in Bootstrap."
},
{
"code": null,
"e": 1215,
"s": 1152,
"text": "You can try to run the following code to disable a list item −"
},
{
"code": null,
... |
How to create Database Connection in Perl? | Assuming we are going to work with MySQL database with Perl. Before connecting to a database make sure of the followings. You can take help of our MySQL tutorial in case you are not aware about how to create database and tables in MySQL database.
You have created a database with a name TESTDB.
You have created a table ... | [
{
"code": null,
"e": 1309,
"s": 1062,
"text": "Assuming we are going to work with MySQL database with Perl. Before connecting to a database make sure of the followings. You can take help of our MySQL tutorial in case you are not aware about how to create database and tables in MySQL database."
},
... |
CURDATE() Function in MySQL - GeeksforGeeks | 23 Nov, 2020
CURDATE() function :This function in MySQL is used to return the current date. The date is returned to the format of “YYYY-MM-DD” (string) or as YYYYMMDD (numeric). This function equals the CURRENT_DATE() function.
Syntax :
CURDATE()
Parameter :
This method does not accept any parameter.
Returns :
It retu... | [
{
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"text": "\n23 Nov, 2020"
},
{
"code": null,
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"text": "CURDATE() function :This function in MySQL is used to return the current date. The date is returned to the format of “YYYY-MM-DD” (string) or as YYYYMMDD (numeric)... |
How to make surfaceview transparent in an Android App? | This example demonstrates how to make surfaceview transparent in an Android App.
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"?>
<Relat... | [
{
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"text": "This example demonstrates how to make surfaceview transparent in an Android App."
},
{
"code": null,
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"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required detai... |
How to count distinct values in MySQL? | To count distinct values, you can use distinct in aggregate function count().
The syntax is as follows −
select count(distinct yourColumnName) as anyVariableName from yourTableName;
To understand the above concept, let us create a table. The following is the query to create a table −
mysql> create table DistinctDemo
... | [
{
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"text": "To count distinct values, you can use distinct in aggregate function count()."
},
{
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"text": "The syntax is as follows −"
},
{
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"s": 1167,
"text": "select... |
Find the length of the median of a Triangle if length of sides are given - GeeksforGeeks | 16 Jul, 2021
Given the length of all three sides of a triangle as a, b and c. The task is to calculate the length of the median of the triangle.
A median of a triangle is a line segment joining a vertex to the midpoint of the opposite side, thus bisecting that side.
Examples:
Input: a = 8, b = 10, c = 13 Output: 1... | [
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},
{
"code": null,
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"text": "Given the length of all three sides of a triangle as a, b and c. The task is to calculate the length of the median of the triangle. "
},
{
"code": null,
... |
EmberJS - Router | This is the core feature of the Ember.js. The router used for to translate URL into the series of templates and also it represents the state of an application. The Ember.js uses the HashChange event that helps to know change of route; this can be done by implementing HashLocation object.
As an application grows in comp... | [
{
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"text": "This is the core feature of the Ember.js. The router used for to translate URL into the series of templates and also it represents the state of an application. The Ember.js uses the HashChange event that helps to know change of route; this can be done b... |
How to clear screen in python? - GeeksforGeeks | 05 Apr, 2018
Most of the time, while working with python interactive shell/terminal (not a console), we end up with a messy output and want to clear the screen for some reason.In an interactive shell/terminal, we can simply use
ctrl+l
But, what if we want to clear the screen while running a python script.Unfortunately,... | [
{
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"text": "\n05 Apr, 2018"
},
{
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"e": 24359,
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"text": "Most of the time, while working with python interactive shell/terminal (not a console), we end up with a messy output and want to clear the screen for some reason.... |
How to clear the canvas using clearRect in HTML ? | 27 Jan, 2022
The clearRect() method of the Canvas 2D API which is used to erase the pixel in a rectangular area by setting the pixel color to transparent black (rgba(0, 0, 0, 0)).Syntax:
abc.clearRect(x, y, width, height);
Parameters:
x, y: These parameter represents the top-left coordinate of the rectangular box.
wi... | [
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{
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"text": "The clearRect() method of the Canvas 2D API which is used to erase the pixel in a rectangular area by setting the pixel color to transparent black (rgba(0, 0, 0, 0)).Syntax: "... |
p5.js | loadJSON() Function | 26 Mar, 2020
The loadJSON() function is used to read the contents of a JSON file or URL and return it as an object. In case the file contains a JSON array, this function would still return it as an object with the index numbers specifying the different keys of the object. This method can support file sizes up to 64MB.
... | [
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"text": "The loadJSON() function is used to read the contents of a JSON file or URL and return it as an object. In case the file contains a JSON array, this function would still return... |
Implement Stack and Queue using Deque | 23 Jun, 2022
Deque also known as double ended queue, as name suggests is a special kind of queue in which insertions and deletions can be done at the last as well as at the beginning.
A link-list representation of deque is such that each node points to the next node as well as the previous node. So that insertion and d... | [
{
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},
{
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"s": 52,
"text": "Deque also known as double ended queue, as name suggests is a special kind of queue in which insertions and deletions can be done at the last as well as at the beginning."
... |
Program to Convert HashMap to TreeMap in Java | 01 Oct, 2021
HashMap is a part of Java’s collection since Java 1.2. It provides the basic implementation of Map interface of Java which stores the data in (Key, Value) pairs. To access a value in HashMap, one must know its key. HashMap is known as HashMap because it uses a technique Hashing for storage of data.
The Tre... | [
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"text": "HashMap is a part of Java’s collection since Java 1.2. It provides the basic implementation of Map interface of Java which stores the data in (Key, Value) pairs. To access a ... |
How to Run Your First Spring Boot Application in Eclipse IDE? | 16 Dec, 2021
Spring Boot is built on the top of the spring and contains all the features of spring. And is becoming a favorite of developers these days because of its rapid production-ready environment which enables the developers to directly focus on the logic instead of struggling with the configuration and setup. Sp... | [
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"text": "Spring Boot is built on the top of the spring and contains all the features of spring. And is becoming a favorite of developers these days because of its rapid production-read... |
Matplotlib.pyplot.ylim() in Python | 13 Apr, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface.
The ylim() function in pyplot module of matplotlib library is used to get or set the y-limits of the current axe... | [
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"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MAT... |
Top 10 Python Applications in Real World | 22 Oct, 2021
We are living in a digital world that is completely driven by chunks of code. Every industry depends on software for its proper functioning be it healthcare, military, banking, research, and the list goes on. We have a huge list of programming languages that facilitate the software development process. One... | [
{
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{
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"text": "We are living in a digital world that is completely driven by chunks of code. Every industry depends on software for its proper functioning be it healthcare, military, bankin... |
Make a fair coin from a biased coin | 10 Sep, 2021
You are given a function foo() that represents a biased coin. When foo() is called, it returns 0 with 60% probability, and 1 with 40% probability. Write a new function that returns 0 and 1 with a 50% probability each. Your function should use only foo(), no other library method.
Solution: We know foo() ret... | [
{
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},
{
"code": null,
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"text": "You are given a function foo() that represents a biased coin. When foo() is called, it returns 0 with 60% probability, and 1 with 40% probability. Write a new function that r... |
Node.js GM thumbnail() Function | 11 Oct, 2021
The thumbnail() function is an inbuilt function in the GraphicsMagick library which is used to make the thumbnail image of the given image. The function returns the true value on success.Syntax:
thumbnail( x, y )
Parameters: This function accepts two parameters as mentioned above and described below:
x... | [
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"text": "The thumbnail() function is an inbuilt function in the GraphicsMagick library which is used to make the thumbnail image of the given image. The function returns the true value... |
Inverse of Matrix in R | 22 Apr, 2020
The inverse of a matrix is just a reciprocal of the matrix as we do in normal arithmetic for a single number which is used to solve the equations to find the value of unknown variables. The inverse of a matrix is that matrix which when multiplied with the original matrix will give as an identity matrix.
Fi... | [
{
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{
"code": null,
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"s": 54,
"text": "The inverse of a matrix is just a reciprocal of the matrix as we do in normal arithmetic for a single number which is used to solve the equations to find the value of unknown... |
Ruby - if...else, case, unless | Ruby offers conditional structures that are pretty common to modern languages. Here, we will explain all the conditional statements and modifiers available in Ruby.
if conditional [then]
code...
[elsif conditional [then]
code...]...
[else
code...]
end
if expressions are used for conditional execution. The val... | [
{
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"text": "Ruby offers conditional structures that are pretty common to modern languages. Here, we will explain all the conditional statements and modifiers available in Ruby."
},
{
"code": null,
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"text": "if conditional [t... |
Setting column values as column names in the MySQL query result? | To set column values as column names in the query result, you need to use a CASE statement.
The syntax is as follows −
select yourIdColumnName,
max(case when (yourColumnName1='yourValue1') then yourColumnName2 else NULL
end) as 'yourValue1',
max(case when (yourColumnName1='yourValue2') then yourColumnName2 else NULL
en... | [
{
"code": null,
"e": 1154,
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"text": "To set column values as column names in the query result, you need to use a CASE statement."
},
{
"code": null,
"e": 1181,
"s": 1154,
"text": "The syntax is as follows −"
},
{
"code": null,
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"... |
Python - Dictionary items in value range - GeeksforGeeks | 01 Aug, 2020
Given a range of values, extract all the items whose keys lie in range of values.
Input : {‘Gfg’ : 6, ‘is’ : 7, ‘best’ : 9, ‘for’ : 8, ‘geeks’ : 11}, i, j = 9, 12Output : {‘best’ : 9, ‘geeks’ : 11}Explanation : Keys within 9 and 11 range extracted.
Input : {‘Gfg’ : 6, ‘is’ : 7, ‘best’ : 9, ‘for’ : 8, ‘geek... | [
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"text": "Given a range of values, extract all the items whose keys lie in range of values."
},
{
"code": null,
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"s": 24294,
"text": "Input : ... |
Disable a button with Bootstrap | Use the .disabled class in Bootstrap to disable a button.
You can try to run the following code to implement the .disabled class −
Live Demo
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jqu... | [
{
"code": null,
"e": 1120,
"s": 1062,
"text": "Use the .disabled class in Bootstrap to disable a button."
},
{
"code": null,
"e": 1193,
"s": 1120,
"text": "You can try to run the following code to implement the .disabled class −"
},
{
"code": null,
"e": 1203,
"s":... |
Linear Regression Model Selection through Zellner’s g prior | Towards Data Science | Linear Regression is a building block for complex models, widely used because of its simplicity and ease of interpretability.
Often the classical approach to model selection in linear regression resumes in choosing the model with the highest R2 or finding the right balance between complexity and goodness of fit through... | [
{
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"text": "Linear Regression is a building block for complex models, widely used because of its simplicity and ease of interpretability."
},
{
"code": null,
"e": 638,
"s": 298,
"text": "Often the classical approach to model selection in linear re... |
Templates and Static variables in C++ | In this tutorial, we will be discussing a program to understand templates and static variables in C++.
In case of function and class templates, each instance of the templates has its own local copy of the variables.
Live Demo
#include <iostream>
using namespace std;
template <typename T>
void fun(const T& x){
stati... | [
{
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"text": "In this tutorial, we will be discussing a program to understand templates and static variables in C++."
},
{
"code": null,
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"text": "In case of function and class templates, each instance of the templates has its... |
Print a HTML5 canvas element | The following is the code snippet to display an HTML5 canvas element.
<a href = "javascript:print_voucher()">PRINT CANVAS</a>
function print_canvas()
{
$("#canvas_voucher").printElement();
}
Here canvas_voucher is ID of canvas element.To make this start functioning we need to convert the canvas into .png image URL a... | [
{
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},
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"text": "<a href = \"javascript:print_voucher()\">PRINT CANVAS</a>\nfunction print_canvas()\n{\n $(\"#canvas_voucher\")... |
How to use Google Speech to Text API to transcribe long audio files? | by Sundar Krishnan | Towards Data Science | Speech recognition is a fun task. A lot of API resources are available in market today which makes it easier for user to opt for one or another. However, when it comes to audio files especially call center data, the task becomes little challenging. Let’s make an assumption that a call center conversation takes roughly ... | [
{
"code": null,
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"text": "Speech recognition is a fun task. A lot of API resources are available in market today which makes it easier for user to opt for one or another. However, when it comes to audio files especially call center data, the task becomes little challenging. Let’s ... |
How to Build a Smile Detector. Detect Happiness in Python (Tutorial) | by Rohan Gupta | Towards Data Science | Businesses strive to deliver the most important product of all: happiness.
Why? Happiness might just be more than a chemical reaction. A happy customer is more likely to walk through the door again, and data on happiness can help businesses understand which products would do better and have a higher retention rate. Mac... | [
{
"code": null,
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"text": "Businesses strive to deliver the most important product of all: happiness."
},
{
"code": null,
"e": 506,
"s": 121,
"text": "Why? Happiness might just be more than a chemical reaction. A happy customer is more likely to walk through the ... |
Area of square Circumscribed by Circle - GeeksforGeeks | 07 Nov, 2021
Given the radius(r) of circle then find the area of square which is Circumscribed by circle.Examples:
Input : r = 3
Output :Area of square = 18
Input :r = 6
Output :Area of square = 72
All four sides of a square are of equal length and all four angles are 90 degree. The circle is circumscribed on a gi... | [
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"text": "Given the radius(r) of circle then find the area of square which is Circumscribed by circle.Examples: "
},
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Convert HashSet to TreeSet in Java | At first, create a HashSet with string values −
HashSet<String> hashSet = new HashSet<String>();
hashSet.add("Bradley");
hashSet.add("Katie");
hashSet.add("Brad");
hashSet.add("Amy");
hashSet.add("Ryan");
hashSet.add("Jamie");
Now, convert the HashSet to TreeSet −
Set<String> set = new TreeSet<String>(hashSet);
Followi... | [
{
"code": null,
"e": 1110,
"s": 1062,
"text": "At first, create a HashSet with string values −"
},
{
"code": null,
"e": 1289,
"s": 1110,
"text": "HashSet<String> hashSet = new HashSet<String>();\nhashSet.add(\"Bradley\");\nhashSet.add(\"Katie\");\nhashSet.add(\"Brad\");\nhashSet.... |
Number of elements with odd factors in given range - GeeksforGeeks | 31 Mar, 2021
Given a range [n,m], find the number of elements that have odd number of factors in the given range (n and m inclusive). Examples :
Input : n = 5, m = 100
Output : 8
The numbers with odd factors are 9, 16, 25,
36, 49, 64, 81 and 100
Input : n = 8, m = 65
Output : 6
Input : n = 10, m = 23500
Output ... | [
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"text": "Given a range [n,m], find the number of elements that have odd number of factors in the given range (n and m inclusive). Examples : "
},
{
"code": null,
... |
C++ Fstream Library - Swap Function | It is used to exchanges all internal data between x and *this.
Following is the declaration for fstream::swap.
void swap (basic_fstream& x);
x − Another basic_fstream object of the same type (i.e., with the same template parameters charT and traits).
none
No-throw guarantee − this member function never throws exception... | [
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"text": "Following is the declaration for fstream::swap."
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How to identify composite primary key in any MySQL database table? | You can use aggregate function count(*). If it returns a value greater than 1, that would mean the table has composite primary key.
Let us first create a table −
mysql> create table DemoTable1324
-> (
-> StudentId int,
-> StudentName varchar(20),
-> StudentAge int,
-> StudentCountryName varchar(20)
->... | [
{
"code": null,
"e": 1194,
"s": 1062,
"text": "You can use aggregate function count(*). If it returns a value greater than 1, that would mean the table has composite primary key."
},
{
"code": null,
"e": 1224,
"s": 1194,
"text": "Let us first create a table −"
},
{
"code"... |
Count ways to split array into two subsets having difference between their sum equal to K - GeeksforGeeks | 29 Jun, 2021
Given an array A[] of size N and an integer diff, the task is to count the number of ways to split the array into two subsets (non-empty subset is possible) such that the difference between their sums is equal to diff.
Examples:
Input: A[] = {1, 1, 2, 3}, diff = 1 Output: 3 Explanation: All possible comb... | [
{
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"text": "\n29 Jun, 2021"
},
{
"code": null,
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"text": "Given an array A[] of size N and an integer diff, the task is to count the number of ways to split the array into two subsets (non-empty subset is possible) such t... |
Beautiful Sequence | Practice | GeeksforGeeks | A beautiful sequence is a strictly increasing sequence, in which the term Ai divides all Aj, where j>i. Given N find a beautiful sequence whose last term is N and the length of the sequence is the maximum possible. If there are multiple solutions return any.
Example 1:
Input: N = 10
Output: 1 5 10
Explanation: 10 is ... | [
{
"code": null,
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"text": "A beautiful sequence is a strictly increasing sequence, in which the term Ai divides all Aj, where j>i. Given N find a beautiful sequence whose last term is N and the length of the sequence is the maximum possible. If there are multiple solutions return a... |
Check if a queue can be sorted into another queue using a stack in Python | Suppose we have a Queue with first n natural numbers (unsorted). We have to check whether the given Queue elements can be sorted in non-decreasing sequence in another Queue by using a stack. We can use following operations to solve this problem −
Push or pop elements from stack
Delete element from given Queue.
Insert e... | [
{
"code": null,
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"text": "Suppose we have a Queue with first n natural numbers (unsorted). We have to check whether the given Queue elements can be sorted in non-decreasing sequence in another Queue by using a stack. We can use following operations to solve this problem −"
},
... |
C# | How to use Interface References - GeeksforGeeks | 11 Jun, 2019
In C#, you are allowed to create a reference variable of an interface type or in other words, you are allowed to create an interface reference variable. Such kind of variable can refer to any object that implements its interface. An interface reference variable only knows that methods which are declared by... | [
{
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"text": "\n11 Jun, 2019"
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"code": null,
"e": 26069,
"s": 25541,
"text": "In C#, you are allowed to create a reference variable of an interface type or in other words, you are allowed to create an interface reference variable. Such kind ... |
Jackson Annotations - @JsonIgnoreType | @JsonIgnoreType is used at mark a property of special type to be ignored.
import java.io.IOException;
import com.fasterxml.jackson.annotation.JsonIgnoreType;
import com.fasterxml.jackson.databind.ObjectMapper;
public class JacksonTester {
public static void main(String args[]){
ObjectMapper mapper = new Objec... | [
{
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},
{
"code": null,
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"text": "import java.io.IOException;\nimport com.fasterxml.jackson.annotation.JsonIgnoreType;\nimport com.fasterxml.j... |
AtomicInteger incrementAndGet() method in Java with examples - GeeksforGeeks | 13 Dec, 2021
The java.util.concurrent.atomic.AtomicInteger.incrementAndGet() is an inbuilt method in java that increases the previous value by one and returns the value after updation which is of data-type int.
Syntax:
public final int incrementAndGet()
Parameters: The function does not accepts a single parameter. Ret... | [
{
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"text": "The java.util.concurrent.atomic.AtomicInteger.incrementAndGet() is an inbuilt method in java that increases the previous value by one and returns the value after u... |
Create a Count Plot with SeaBorn – Python Pandas | Count Plot in Seaborn is used to display the counts of observations in each categorical bin using bars. The seaborn.countplot() is used for this.
Let’s say the following is our dataset in the form of a CSV file − Cricketers.csv
At first, import the required 3 libraries −
import seaborn as sb
import pandas as pd
import ... | [
{
"code": null,
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"text": "Count Plot in Seaborn is used to display the counts of observations in each categorical bin using bars. The seaborn.countplot() is used for this."
},
{
"code": null,
"e": 1290,
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"text": "Let’s say the following is our datas... |
Set the coordinates of the area in an image map in HTML? | Use the cords attribute in HTML to set the coordinates of the area in an image map in HTML.
You can try to run the following code to implement the cords attribute −
<!DOCTYPE html>
<html>
<head>
<title>HTML coords attribute</title>
</head>
<body>
<img src = "/images/html.gif" alt = "HTML Map" borde... | [
{
"code": null,
"e": 1154,
"s": 1062,
"text": "Use the cords attribute in HTML to set the coordinates of the area in an image map in HTML."
},
{
"code": null,
"e": 1227,
"s": 1154,
"text": "You can try to run the following code to implement the cords attribute −"
},
{
"co... |
How to Replace Null Values in Spark DataFrames | Towards Data Science | The replacement of null values in PySpark DataFrames is one of the most common operations undertaken. This can be achieved by using either DataFrame.fillna() or DataFrameNaFunctions.fill() methods. In today’s article we are going to discuss the main difference between these two functions.
While working with Spark DataF... | [
{
"code": null,
"e": 462,
"s": 172,
"text": "The replacement of null values in PySpark DataFrames is one of the most common operations undertaken. This can be achieved by using either DataFrame.fillna() or DataFrameNaFunctions.fill() methods. In today’s article we are going to discuss the main diffe... |
Tryit Editor v3.7 | Tryit: Using the animation-timing-function property | [] |
Image Segmentation using Python’s scikit-image module. | by Parul Pandey | Towards Data Science | Sooner or later all things are numbers, including images.
People who have seen The Terminator would definitely agree that it was the greatest sci-fi movie of that era. In the movie, James Cameron introduced an interesting visual effect concept that made it possible for the viewers to get behind the eyes of the cyborg c... | [
{
"code": null,
"e": 230,
"s": 172,
"text": "Sooner or later all things are numbers, including images."
},
{
"code": null,
"e": 753,
"s": 230,
"text": "People who have seen The Terminator would definitely agree that it was the greatest sci-fi movie of that era. In the movie, Jame... |
Hamming code Implementation in Java - GeeksforGeeks | 11 Jun, 2020
Pre-requisite: Hamming code
Hamming code is a set of error-correction codes that can be used to detect and correct the errors that can occur when the data is moved or stored from the sender to the receiver. It is a technique developed by R.W. Hamming for error correction.
Examples:
Input:
message bit = 01... | [
{
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},
{
"code": null,
"e": 24173,
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"text": "Pre-requisite: Hamming code"
},
{
"code": null,
"e": 24418,
"s": 24173,
"text": "Hamming code is a set of error-correction codes that can be us... |
GATE | GATE-CS-2017 (Set 2) | Question 29 - GeeksforGeeks | 29 Sep, 2021
Given the following binary number in 32 bit (single precision) IEEE-754 format:
00111110011011010000000000000000
The decimal value closest to this floating-point number is:(A) 1.45 X 101(B) 1.45 X 10-1(C) 2.27 X 10-1(D) 2.27 X 101Answer: (C)Explanation: In 32-bit IEEE-754 format
1st bit represent sign
2-9... | [
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},
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"code": null,
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"text": "Given the following binary number in 32 bit (single precision) IEEE-754 format:"
},
{
"code": null,
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"text": "0011111001... |
C - Structured Datatypes | C - Programming HOME
C - Basic Introduction
C - Program Structure
C - Reserved Keywords
C - Basic Datatypes
C - Variable Types
C - Storage Classes
C - Using Constants
C - Operator Types
C - Control Statements
C - Input and Output
C - Pointing to Data
C - Using Functions
C - Play with Strings
C - Structure Datatype
C - ... | [
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Array Basics in Shell Scripting | Set 1 - GeeksforGeeks | 30 Jan, 2018
Consider a Situation if we want to store 1000 numbers and perform operations on them. If we use simple variable concept then we have to create 1000 variables and the perform operations on them. But it is difficult to handle a large number of variables. So it is good to store the same type of values in the ... | [
{
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},
{
"code": null,
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"text": "Consider a Situation if we want to store 1000 numbers and perform operations on them. If we use simple variable concept then we have to create 1000 variables and t... |
Create a similarity graph from node properties with Neo4j | by Nathan Smith | Towards Data Science | Cluster analysis helps us uncover structures hidden within data. We can use unsupervised machine learning algorithms to group data items into clusters so that items have more in common with other items inside their cluster than they do with items outside their cluster.
Tasks such as customer segmentation, recommendatio... | [
{
"code": null,
"e": 442,
"s": 172,
"text": "Cluster analysis helps us uncover structures hidden within data. We can use unsupervised machine learning algorithms to group data items into clusters so that items have more in common with other items inside their cluster than they do with items outside ... |
Linear Algebra - GeeksforGeeks | 21 Jan, 2014
Which one of the following does NOT equal to
C
D
B
A
First of all, you should know the basic properties of determinants before approaching For these kind of problems. 1) Applying any row or column transformation does not change the determinant 2) If you interchange any two rows, sign of the de... | [
{
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},
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"code": null,
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"text": "Which one of the following does NOT equal to "
},
{
"code": null,
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"text": "C "
},
{
"code": null,
"e": 2998... |
All about HC-05 Bluetooth Module | Connection with Android - GeeksforGeeks | 28 Oct, 2021
Ever wanted to control your Mechanical Bots with an Android Phone or design the robots with custom remote, here in this tutorial we will learn about a Bluetooth Module HC-05 used for the above mentioned and many other cases. Here we will be understanding the connection and working of a HC-05 module and als... | [
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},
{
"code": null,
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"text": "Ever wanted to control your Mechanical Bots with an Android Phone or design the robots with custom remote, here in this tutorial we will learn about a Bluetooth Mo... |
Tensorflow.js tf.layers.zeroPadding2d() Function - GeeksforGeeks | 17 Feb, 2022Tensorflow.js is an open-source library developed by Google for running machine learning models and deep learning neural networks in the browser or node environment.The tf.layers.zeroPadding2d( ) function is used for adding rows and columns for zeros at the top, bottom, left, and right side of and image ten... | [
{
"code": null,
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"text": "\n17 Feb, 2022Tensorflow.js is an open-source library developed by Google for running machine learning models and deep learning neural networks in the browser or node environment.The tf.layers.zeroPadding2d( ) function is used for adding rows and colu... |
Java Program for Decimal to Binary Conversion - GeeksforGeeks | 17 Oct, 2021
Given a decimal number as input, we need to write a program to convert the given decimal number into an equivalent binary number.
Examples:
Input : 7
Output : 111
s
Input : 10
Output : 1010
Input: 33
Output: 100001
Binary to decimal conversion is done to convert a number given in the binary system to its... | [
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"code": null,
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"text": "Given a decimal number as input, we need to write a program to convert the given decimal number into an equivalent binary number."
},
{
"code": null,
"... |
Find k pairs with smallest sums in two arrays | Set 2 - GeeksforGeeks | 26 May, 2021
Given two arrays arr1[] and arr2[] sorted in ascending order and an integer K. The task is to find k pairs with the smallest sums such that one element of a pair belongs to arr1[] and another element belongs to arr2[]. The sizes of arrays may be different. Assume all the elements to be distinct in each arr... | [
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},
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"code": null,
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"text": "Given two arrays arr1[] and arr2[] sorted in ascending order and an integer K. The task is to find k pairs with the smallest sums such that one element of a pair b... |
Deep Learning Tabular Data with PyTorch | by Offir Inbar | Towards Data Science | This Post will provide you a detailed end to end guide for using Pytorch for Tabular Data using a realistic example. By the end of this post, you will be able to build your Pytorch Model.
Courses: I started with both fast.ai courses and DeepLearning.ai specialization (Coursera). They gave me the basic knowledge about D... | [
{
"code": null,
"e": 359,
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"text": "This Post will provide you a detailed end to end guide for using Pytorch for Tabular Data using a realistic example. By the end of this post, you will be able to build your Pytorch Model."
},
{
"code": null,
"e": 558,
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"text":... |
Build a Simple Todo App using React | Towards Data Science | Hello readers! This is the first time I am writing an article on building something with React. So, I am also new to React and Frontend Frameworks. And the best way to make your first React project would be to make a simple Todo App.
Building a Todo App is easy and does not take much time but it teaches you some import... | [
{
"code": null,
"e": 406,
"s": 172,
"text": "Hello readers! This is the first time I am writing an article on building something with React. So, I am also new to React and Frontend Frameworks. And the best way to make your first React project would be to make a simple Todo App."
},
{
"code":... |
Java Recursion | Recursion is the technique of making a function call itself. This technique provides a way
to break complicated problems down into simple problems which are easier to solve.
Recursion may be a bit difficult to understand. The
best way to figure out how it works is to experiment with it.
Adding two numbers together is e... | [
{
"code": null,
"e": 174,
"s": 0,
"text": "Recursion is the technique of making a function call itself. This technique provides a way\nto break complicated problems down into simple problems which are easier to solve."
},
{
"code": null,
"e": 288,
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"text": "Recursion may... |
Use ListIterator to traverse an ArrayList in the reverse direction in Java | A ListIterator can be used to traverse the elements in the forward direction as well as the reverse direction in the List Collection. So the ListIterator is only valid for classes such as LinkedList, ArrayList etc.
The method hasPrevious( ) in ListIterator returns true if there are more elements in the List while trave... | [
{
"code": null,
"e": 1277,
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"text": "A ListIterator can be used to traverse the elements in the forward direction as well as the reverse direction in the List Collection. So the ListIterator is only valid for classes such as LinkedList, ArrayList etc."
},
{
"code": null,
"e": 1... |
Java Program to Read and Print All Files From a Zip File - GeeksforGeeks | 29 Sep, 2021
A zip file is a file where one or more files are compressed together, generally, zip files are ideal for storing large files. Here the zip file will first read and at the same time printing the contents of a zip file using a java program using the java.util.zip.ZipEntry class for marking the zip file and ... | [
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"code": null,
"e": 24060,
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"text": "A zip file is a file where one or more files are compressed together, generally, zip files are ideal for storing large files. Here the zip file will first read an... |
How to check whether a string is in lowercase or uppercase in R? | We can use str_detect function to check whether a single string or a vector of strings is in lowercase or uppercase. Along with str_detect function, we need to use either upper or lower to check whether the string is in lowercase or uppercase and the output will be returned in TRUE or FALSE form, if the string will be ... | [
{
"code": null,
"e": 1483,
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"text": "We can use str_detect function to check whether a single string or a vector of strings is in lowercase or uppercase. Along with str_detect function, we need to use either upper or lower to check whether the string is in lowercase or uppercase and the ou... |
Improve Docker performances with WSL2 | Towards Data Science | Docker was claimed as the leading solution for setting up a local development environment. Thanks to the simplicity of docker-compose files, you can have an isolated environment per project, that reflect the same configuration of the production environment.
Moreover, this solution makes the development independent by t... | [
{
"code": null,
"e": 430,
"s": 172,
"text": "Docker was claimed as the leading solution for setting up a local development environment. Thanks to the simplicity of docker-compose files, you can have an isolated environment per project, that reflect the same configuration of the production environmen... |
Convert.ToDateTime(String, IFormatProvider) Method in C# | The Convert.ToDateTime() method in C# converts the specified string representation of a number to an equivalent date and time, using the specified culture-specific formatting information.
Following is the syntax −
public static DateTime ToDateTime (string val, IFormatProvider provider);
Above, value is a string that co... | [
{
"code": null,
"e": 1250,
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"text": "The Convert.ToDateTime() method in C# converts the specified string representation of a number to an equivalent date and time, using the specified culture-specific formatting information."
},
{
"code": null,
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"te... |
How to align two divs horizontally in HTML? | To align two divs horizontally in HTML, use the float CSS property with left value. You can try to run the following code to learn how to align divs horizontally −
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
.demo div {
float: left;
clear: none;
}
</style>
</head>
<body>
<div class="demo">
<div>
... | [
{
"code": null,
"e": 1226,
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"text": "To align two divs horizontally in HTML, use the float CSS property with left value. You can try to run the following code to learn how to align divs horizontally −"
},
{
"code": null,
"e": 1236,
"s": 1226,
"text": "Live Demo"
},
... |
Flask Simple HTML Templates Example - onlinetutorialspoint | 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 see the Fla... | [
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MongoDB - Delete Multiple Documents Using MongoShell - GeeksforGeeks | 27 Feb, 2020
In MongoDB, you are allowed to delete the existing documents from the collection using db.collection.deleteMany() method. This method deletes multiple documents from the collection according to the filter.
deleteMany() is a mongo shell method, which can delete multiple documents. This method can be used in... | [
{
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"text": "\n27 Feb, 2020"
},
{
"code": null,
"e": 24127,
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"text": "In MongoDB, you are allowed to delete the existing documents from the collection using db.collection.deleteMany() method. This method deletes multiple documents fr... |
Python - Stemming and Lemmatization | In the areas of Natural Language Processing we come across situation where two or more words have a common root. For example, the three words - agreed, agreeing and agreeable have the same root word agree. A search involving any of these words should treat them as the same word which is the root word. So it becomes ess... | [
{
"code": null,
"e": 2991,
"s": 2529,
"text": "In the areas of Natural Language Processing we come across situation where two or more words have a common root. For example, the three words - agreed, agreeing and agreeable have the same root word agree. A search involving any of these words should tr... |
Accelerating Pandas concatenation | by Philippe Cotte | Towards Data Science | I was recently faced with the problem of concatenating a fair amount of MultiIndexed Pandas Series (stacked DataFrames) into one single DataFrame. This can take a fair amount of time if you have many and/or large Series, and because of the MultiIndex, Dask cannot be used. I first present a sample of code using Dask’s l... | [
{
"code": null,
"e": 734,
"s": 172,
"text": "I was recently faced with the problem of concatenating a fair amount of MultiIndexed Pandas Series (stacked DataFrames) into one single DataFrame. This can take a fair amount of time if you have many and/or large Series, and because of the MultiIndex, Das... |
PHP | imagecrop() Function - GeeksforGeeks | 23 Aug, 2019
The imagecrop() function is an inbuilt function in PHP which is used to crop an image to the given rectangle. This function crops an image to the given rectangular area and returns the resulting image. The given image is not modified.
Syntax:
resource imagecrop ( $image, $rect )
Parameters: This function a... | [
{
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"text": "\n23 Aug, 2019"
},
{
"code": null,
"e": 24480,
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"text": "The imagecrop() function is an inbuilt function in PHP which is used to crop an image to the given rectangle. This function crops an image to the given rectangular... |
nested loops in C | C programming allows to use one loop inside another loop. The following section shows a few examples to illustrate the concept.
The syntax for a nested for loop statement in C is as follows −
for ( init; condition; increment ) {
for ( init; condition; increment ) {
statement(s);
}
statement(s);
}
The s... | [
{
"code": null,
"e": 2212,
"s": 2084,
"text": "C programming allows to use one loop inside another loop. The following section shows a few examples to illustrate the concept."
},
{
"code": null,
"e": 2276,
"s": 2212,
"text": "The syntax for a nested for loop statement in C is as ... |
Mermaid: Create diagrams quickly and effortlessly | by Alexandra Souly | Towards Data Science | If you’ve ever tried to explain anything complicated — be it an algorithm, a code base structure or a project plan — you probably know how useful good diagrams are.
However, with lots of us working remotely, it is more difficult to share spontaneous drawings when explanations fall short. While it was easy to have a whi... | [
{
"code": null,
"e": 337,
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"text": "If you’ve ever tried to explain anything complicated — be it an algorithm, a code base structure or a project plan — you probably know how useful good diagrams are."
},
{
"code": null,
"e": 744,
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"text": "However, with lots of... |
Tryit Editor v3.7 | Tryit: HTML background-color | [] |
Android Rotate animations in Kotlin - GeeksforGeeks | 03 Mar, 2022
Rotate animation is a special kind of animation in Android which controls the Rotation of an object. These type of animations are usually used by developers to give a feel to the user about the changes happening in the application like loading content, processing data, etc. By using the rotate animation ef... | [
{
"code": null,
"e": 23825,
"s": 23797,
"text": "\n03 Mar, 2022"
},
{
"code": null,
"e": 24267,
"s": 23825,
"text": "Rotate animation is a special kind of animation in Android which controls the Rotation of an object. These type of animations are usually used by developers to giv... |
Convert an Array to a Circular Doubly Linked List in C++ | In this tutorial, we will be discussing a program to convert an array to a circular doubly linked list.
For this we will be provided with an array. Our task is to take the elements of the array and get it converted into a circular doubly linked list.
Live Demo
#include<iostream>
using namespace std;
//node structure f... | [
{
"code": null,
"e": 1166,
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"text": "In this tutorial, we will be discussing a program to convert an array to a circular doubly linked list."
},
{
"code": null,
"e": 1313,
"s": 1166,
"text": "For this we will be provided with an array. Our task is to take the elements o... |
Music Source Separation with Spleeter on Google Colab | by Sameeha Afrulbasha | Towards Data Science | Music recordings can come with a variety of instrumental tracks, such as lead vocals, piano, drums, bass, etc. Each track is called a stem and, for most people, isolating those stems comes quite naturally when they are listening to a song. For example, if you listen to Old Time Rock n Roll, you will hear the piano stem... | [
{
"code": null,
"e": 771,
"s": 172,
"text": "Music recordings can come with a variety of instrumental tracks, such as lead vocals, piano, drums, bass, etc. Each track is called a stem and, for most people, isolating those stems comes quite naturally when they are listening to a song. For example, if... |
Adding binary strings together JavaScript | We are required to write a JavaScript function that takes in two binary strings. The function should return the sum of those two-binary string as another binary string.
For example −
If the two strings are −
const str1 = "1010";
const str2 = "1011";
Then the output should be −
const output = '10101';
const str1 = "1010... | [
{
"code": null,
"e": 1231,
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"text": "We are required to write a JavaScript function that takes in two binary strings. The function should return the sum of those two-binary string as another binary string."
},
{
"code": null,
"e": 1245,
"s": 1231,
"text": "For example −... |
Toppers Of Class | Practice | GeeksforGeeks | There is a class of N students and the task is to find the top K marks scorers. You need to print the index of the toppers of the class which will be same as the index of the student in the input array (use 0-based indexing). First print the index of the students having highest marks then the students with second highe... | [
{
"code": null,
"e": 822,
"s": 226,
"text": "There is a class of N students and the task is to find the top K marks scorers. You need to print the index of the toppers of the class which will be same as the index of the student in the input array (use 0-based indexing). First print the index of the ... |
Jdbc Select Program Example | executeQuery() Example in JDBC | 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 understand ... | [
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Biopython - Sequence Alignments | Sequence alignment is the process of arranging two or more sequences (of DNA, RNA or protein sequences) in a specific order to identify the region of similarity between them.
Identifying the similar region enables us to infer a lot of information like what traits are conserved between species, how close different speci... | [
{
"code": null,
"e": 2281,
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"text": "Sequence alignment is the process of arranging two or more sequences (of DNA, RNA or protein sequences) in a specific order to identify the region of similarity between them."
},
{
"code": null,
"e": 2532,
"s": 2281,
"text": "Identif... |
Add Bold Tag in String in C++ | Suppose we have a string s and a list of strings called dict, we have to add a closed pair of bold tag <b> and </b> to wrap the substrings in s that exist in that dict. When two such substrings overlap, then we have to wrap them together by only one pair of the closed bold tags. Also, if two substrings wrapped by bold ... | [
{
"code": null,
"e": 1429,
"s": 1062,
"text": "Suppose we have a string s and a list of strings called dict, we have to add a closed pair of bold tag <b> and </b> to wrap the substrings in s that exist in that dict. When two such substrings overlap, then we have to wrap them together by only one pai... |
Floyd Cycle Detection Algorithm to detect the cycle in a linear Data Structure | Floyd Cycle is one of the cycle detection algorithms to detect the cycle in a given singly linked list.
In the Floyd Cycle algorithm, we have two pointers that initially point at the head. In Hare and Tortoise’s story, Hare moves twice as fast as Tortoise, and whenever the hare reaches the end of the path, the tortoise... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "Floyd Cycle is one of the cycle detection algorithms to detect the cycle in a given singly linked list."
},
{
"code": null,
"e": 1415,
"s": 1166,
"text": "In the Floyd Cycle algorithm, we have two pointers that initially point at the... |
What are unary operators in C#? | The following are the unary operators in C# −
+ - ! ~ ++ -- (type)* & sizeof
Let us learn about the sizeof operator. The sizeof returns the size of a data type.
Let’s say you need to find the size of int datatype −
sizeof(int)
For double datatype −
sizeof(double)
Let us see the complete example to find the size of vari... | [
{
"code": null,
"e": 1108,
"s": 1062,
"text": "The following are the unary operators in C# −"
},
{
"code": null,
"e": 1139,
"s": 1108,
"text": "+ - ! ~ ++ -- (type)* & sizeof"
},
{
"code": null,
"e": 1223,
"s": 1139,
"text": "Let us learn about the sizeof oper... |
Least-square Polynomial Fitting using C++ Eigen Package | by Rahul Bhadani | Towards Data Science | Often while working with sensor data (or signal), we find that data are often not clean and exhibit a significant amount of noise. Such noise makes it harder to perform further mathematical operations such as differentiation, integration, convolution, etc. Further, such noise poses a great challenge if we are meant to ... | [
{
"code": null,
"e": 684,
"s": 171,
"text": "Often while working with sensor data (or signal), we find that data are often not clean and exhibit a significant amount of noise. Such noise makes it harder to perform further mathematical operations such as differentiation, integration, convolution, etc... |
Get values from all rows and display it a single row separated by comma with MySQL | For this, use GROUP_CONCAT(). Do not use GROUP BY clause, since GROUP_CONTACT() is a better and quick solution.
Let us first create a table −
mysql> create table DemoTable1371
-> (
-> Id int,
-> CountryName varchar(40)
-> );
Query OK, 0 rows affected (0.89 sec)
Insert some records in the table using insert ... | [
{
"code": null,
"e": 1174,
"s": 1062,
"text": "For this, use GROUP_CONCAT(). Do not use GROUP BY clause, since GROUP_CONTACT() is a better and quick solution."
},
{
"code": null,
"e": 1204,
"s": 1174,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 133... |
C++ Program to Implement Interpolation Search Algorithm | For the binary search technique, the lists are divided into equal parts. For the interpolation searching technique, the procedure will try to locate the exact position using interpolation formula. After finding the estimated location, it can separate the list using that location. As it tries to find exact location ever... | [
{
"code": null,
"e": 1498,
"s": 1062,
"text": "For the binary search technique, the lists are divided into equal parts. For the interpolation searching technique, the procedure will try to locate the exact position using interpolation formula. After finding the estimated location, it can separate th... |
Python String encode() Method | Python string method encode() returns an encoded version of the string. Default encoding is the current default string encoding. The errors may be given to set a different error handling scheme.
str.encode(encoding='UTF-8',errors='strict')
encoding − This is the encodings to be used. For a list of all encoding scheme... | [
{
"code": null,
"e": 2440,
"s": 2244,
"text": "Python string method encode() returns an encoded version of the string. Default encoding is the current default string encoding. The errors may be given to set a different error handling scheme."
},
{
"code": null,
"e": 2486,
"s": 2440,... |
jQuery - hasClass( class ) Method | The hasClass( class ) method returns true if the specified class is present on at least one of the set of matched elements otherwise it returns false.
Here is the simple syntax to use this method −
selector.hasClass( class )
Here is the description of all the parameters used by this method −
class − The name of CSS cl... | [
{
"code": null,
"e": 2473,
"s": 2322,
"text": "The hasClass( class ) method returns true if the specified class is present on at least one of the set of matched elements otherwise it returns false."
},
{
"code": null,
"e": 2520,
"s": 2473,
"text": "Here is the simple syntax to us... |
How to implement expand and collapse notification in Android? | This example demonstrate about How to implement expand and collapse notification in Android.
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 =... | [
{
"code": null,
"e": 1155,
"s": 1062,
"text": "This example demonstrate about How to implement expand and collapse notification in Android."
},
{
"code": null,
"e": 1284,
"s": 1155,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all re... |
Postman - Mock Server | A mock server is not a real server and it is created to simulate and function as a real server to verify APIs and their responses. These are commonly used if certain responses need to be verified but are not available on the web servers due to security concerns on the actual server.
A Mock Server is created for the rea... | [
{
"code": null,
"e": 2392,
"s": 2108,
"text": "A mock server is not a real server and it is created to simulate and function as a real server to verify APIs and their responses. These are commonly used if certain responses need to be verified but are not available on the web servers due to security ... |
How to set local date/time in a table using LocalDateTime class in Java? | The java.time package of Java8 provides a class named LocalDateTime is used to get the current value of local date and time. Using this in addition to date and time values you can also get other date and time fields, such as day-of-year, day-of-week and week-of-year.
To set the local date and time value to a column in ... | [
{
"code": null,
"e": 1330,
"s": 1062,
"text": "The java.time package of Java8 provides a class named LocalDateTime is used to get the current value of local date and time. Using this in addition to date and time values you can also get other date and time fields, such as day-of-year, day-of-week and... |
Changing Ownership of schema in SAP HANA Database | I don’t think you can change ownership of schema in database. Easiest way to change ownership of schema is by exporting a schema, drop it from the database and then recreate the schema owned by the target user and import the objects back into the database.
In recent version, you can create schema and set other users as... | [
{
"code": null,
"e": 1319,
"s": 1062,
"text": "I don’t think you can change ownership of schema in database. Easiest way to change ownership of schema is by exporting a schema, drop it from the database and then recreate the schema owned by the target user and import the objects back into the databa... |
How to aggregate two lists if at least one element matches in MongoDB? | For this, use groupinMongoDB.Withinthat,useunwind, group,addToSet, etc. Let us create a collection with documents −
> db.demo456.insertOne(
... { _id: 101, StudentName: ["Chris", "David"] }
... );
{ "acknowledged" : true, "insertedId" : 101 }
>
> db.demo456.insertOne(
... { _id: 102, StudentName: ["Mike", "Sam"] }
... ... | [
{
"code": null,
"e": 1178,
"s": 1062,
"text": "For this, use groupinMongoDB.Withinthat,useunwind, group,addToSet, etc. Let us create a collection with documents −"
},
{
"code": null,
"e": 1683,
"s": 1178,
"text": "> db.demo456.insertOne(\n... { _id: 101, StudentName: [\"Chris\", ... |
Write a java program to reverse each word in string? | StringBuffer class of the java.lang package provides reverse() method. This method returns a reverse sequence of the characters in the current String. Using this method you can reverse a string in Java.
To reverse each word in a string you need to split the string, store it in an array of strings and reverse each word ... | [
{
"code": null,
"e": 1265,
"s": 1062,
"text": "StringBuffer class of the java.lang package provides reverse() method. This method returns a reverse sequence of the characters in the current String. Using this method you can reverse a string in Java."
},
{
"code": null,
"e": 1436,
"s"... |
Water Connection Problem | Practice | GeeksforGeeks | There are n houses and p water pipes in Geek Colony. Every house has at most one pipe going into it and at most one pipe going out of it. Geek needs to install pairs of tanks and taps in the colony according to the following guidelines.
1. Every house with one outgoing pipe but no incoming pipe gets a tank on its roo... | [
{
"code": null,
"e": 1218,
"s": 238,
"text": "There are n houses and p water pipes in Geek Colony. Every house has at most one pipe going into it and at most one pipe going out of it. Geek needs to install pairs of tanks and taps in the colony according to the following guidelines. \n1. Every house... |
Set vs Map in C++ STL | Set is an abstract data type in which each element has to be unique because the value of the element identifies it. The value of the element cannot be modified once it is added to the set, but it is possible to remove and add the modified value of that element.
A Map is an associative container that store elements in a... | [
{
"code": null,
"e": 1324,
"s": 1062,
"text": "Set is an abstract data type in which each element has to be unique because the value of the element identifies it. The value of the element cannot be modified once it is added to the set, but it is possible to remove and add the modified value of that ... |
Click Module in Python | Making awesome Command Line Utilities - GeeksforGeeks | 14 Mar, 2019
Since the dawn of the computer age and before the internet outburst, programmers have been using command line tools in an interactive shell as a means to communicate with the computers. It is kind of strange that with all the advancements in UI/UX technologies, very few people know that there are to create... | [
{
"code": null,
"e": 24292,
"s": 24264,
"text": "\n14 Mar, 2019"
},
{
"code": null,
"e": 24953,
"s": 24292,
"text": "Since the dawn of the computer age and before the internet outburst, programmers have been using command line tools in an interactive shell as a means to communica... |
Beginner’s Guide to LDA Topic Modelling with R | by Farren tang | Towards Data Science | Nowadays many people want to start out with Natural Language Processing(NLP). Yet they don’t know where and how to start. It might be because there are too many “guides” or “readings” available, but they don’t exactly tell you where and how to start. This article aims to give readers a step-by-step guide on how to do t... | [
{
"code": null,
"e": 439,
"s": 47,
"text": "Nowadays many people want to start out with Natural Language Processing(NLP). Yet they don’t know where and how to start. It might be because there are too many “guides” or “readings” available, but they don’t exactly tell you where and how to start. This ... |
Scala | Pattern Matching - GeeksforGeeks | 17 Jan, 2019
Pattern matching is a way of checking the given sequence of tokens for the presence of the specific pattern. It is the most widely used feature in Scala. It is a technique for checking a value against a pattern. It is similar to the switch statement of Java and C.
Here, “match” keyword is used instead of s... | [
{
"code": null,
"e": 23439,
"s": 23411,
"text": "\n17 Jan, 2019"
},
{
"code": null,
"e": 23704,
"s": 23439,
"text": "Pattern matching is a way of checking the given sequence of tokens for the presence of the specific pattern. It is the most widely used feature in Scala. It is a t... |
HTML5 Canvas - Animations | HTML5 canvas provides necessary methods to draw an image and erase it completely. We can take Javascript help to simulate good animation over a HTML5 canvas.
Following are the two important Javascript methods which would be used to animate an image on a canvas −
setInterval(callback, time);
This method repeatedly execu... | [
{
"code": null,
"e": 2766,
"s": 2608,
"text": "HTML5 canvas provides necessary methods to draw an image and erase it completely. We can take Javascript help to simulate good animation over a HTML5 canvas."
},
{
"code": null,
"e": 2871,
"s": 2766,
"text": "Following are the two im... |
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