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Program to find the maximum difference between the index of any two different numbers | 09 Jun, 2022
Given an array of N integers. The task is to find the maximum difference between the index of any two different numbers. Note that there is a minimum of two different numbers. Examples:
Input: a[] = {1, 2, 3, 2, 3} Output: 4 The difference between 1 and last 3.Input: a[] = {1, 1, 3, 1, 1, 1} Output: 3 Th... | [
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"text": "Given an array of N integers. The task is to find the maximum difference between the index of any two different numbers. Note that there is a minimum of two different numbers... |
Report Styles | JasperReports has a feature <style> which helps to control text properties in a report template. This element is a collection of style settings declared at the report level. Properties like foreground color, background color, whether the font is bold, italic, or normal, the font size, a border for the font, and many ot... | [
{
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"text": "JasperReports has a feature <style> which helps to control text properties in a report template. This element is a collection of style settings declared at the report level. Properties like foreground color, background color, whether the font is bold, i... |
Secure Electronic Transaction (SET) Protocol | 31 Aug, 2021
Secure Electronic Transaction or SET is a system that ensures the security and integrity of electronic transactions done using credit cards in a scenario. SET is not some system that enables payment but it is a security protocol applied to those payments. It uses different encryption and hashing techniques... | [
{
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"text": "\n31 Aug, 2021"
},
{
"code": null,
"e": 658,
"s": 54,
"text": "Secure Electronic Transaction or SET is a system that ensures the security and integrity of electronic transactions done using credit cards in a scenario. SET is not some sys... |
Pandas β How to reset index in a given DataFrame | 25 Aug, 2021
Let us see how to reset the index of a DataFrame after dropping some of the rows from the DataFrame.Approach :
Import the Pandas module.Create a DataFrame.Drop some rows from the DataFrame using the drop() method.Reset the index of the DataFrame using the reset_index() method.Display the DataFrame after e... | [
{
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"text": "\n25 Aug, 2021"
},
{
"code": null,
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"text": "Let us see how to reset the index of a DataFrame after dropping some of the rows from the DataFrame.Approach : "
},
{
"code": null,
"e": 346,
"s": 140,
"te... |
basic_istream::peek() in C++ with Examples | 28 May, 2020
The std::basic_istream::peek() used to reads the next character from the input stream without extracting it. This function does not accept any parameter, simply returns the next character in the input string. Below is the syntax for the same:
Header File:
#include<iostream>
Syntax:
int peek();
Return Val... | [
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"text": "\n28 May, 2020"
},
{
"code": null,
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"text": "The std::basic_istream::peek() used to reads the next character from the input stream without extracting it. This function does not accept any parameter, simply returns the n... |
Implementation of AVL Tree using graphics in C++ | 24 Aug, 2021
AVL Trees are self-balancing Binary Search Trees where the difference between heights of left and right subtrees cannot be more than one for all nodes. Below is the example of the AVL Tree:
In this article, we will be implementing the concept of AVL Tree using graphics in C++. As a prerequisite, one must s... | [
{
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"text": "\n24 Aug, 2021"
},
{
"code": null,
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"text": "AVL Trees are self-balancing Binary Search Trees where the difference between heights of left and right subtrees cannot be more than one for all nodes. Below is the example o... |
Unconstrained Multivariate Optimization | 17 Jul, 2020
Wikipedia defines optimization as a problem where you maximize or minimize a real function by systematically choosing input values from an allowed set and computing the value of the function. That means when we talk about optimization we are always interested in finding the best solution. So, let say that ... | [
{
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"text": "\n17 Jul, 2020"
},
{
"code": null,
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"text": "Wikipedia defines optimization as a problem where you maximize or minimize a real function by systematically choosing input values from an allowed set and computing the value ... |
Least Slack Time (LST) scheduling Algorithm in real-time systems | 16 Jan, 2020
Least Slack Time (LST) is a dynamic priority-driven scheduling algorithm used in real-time systems.
In LST, all the tasks in the system are assigned some priority according to their slack time. The task which has the least slack time has the highest priority and vice versa.
Priorities to the tasks are assi... | [
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"text": "\n16 Jan, 2020"
},
{
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"text": "Least Slack Time (LST) is a dynamic priority-driven scheduling algorithm used in real-time systems."
},
{
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"e": 328,
"s": 153,
"text": "In LS... |
Python dictionary, set and counter to check if frequencies can become same | 24 Apr, 2020
Given a string which contains lower alphabetic characters, we need to remove at most one character from this string in such a way that frequency of each distinct character becomes same in the string.
Examples:
Input : str = βxyyzβ
Output : Yes
We can remove character βyβ from above
string to make the fre... | [
{
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"s": 0,
"text": "\n24 Apr, 2020"
},
{
"code": null,
"e": 228,
"s": 28,
"text": "Given a string which contains lower alphabetic characters, we need to remove at most one character from this string in such a way that frequency of each distinct character bec... |
Tryit Editor v3.7 | Tryit: Create input fields with black border color on focus | [] |
Optimal Division in C++ | Suppose we have a list of positive integers; the adjacent integers will perform the float division. So for example, [2,3,4] -> 2 / 3 / 4. Now, we can add any number of parenthesis at any position to change the priority of these operations. We should find out how to add parenthesis to get the maximum result, we have to ... | [
{
"code": null,
"e": 1575,
"s": 1062,
"text": "Suppose we have a list of positive integers; the adjacent integers will perform the float division. So for example, [2,3,4] -> 2 / 3 / 4. Now, we can add any number of parenthesis at any position to change the priority of these operations. We should fin... |
How to align the bar and line in Matplotlib two Y-axes chart? | To align the bar and line in matplotlib two Y-axes chart, we can use twinx() method to create a twin of Axes with a shared X-axis but independent Y-axis.
Set the figure size and adjust the padding between and around the subplots.
Set the figure size and adjust the padding between and around the subplots.
Make a Pandas ... | [
{
"code": null,
"e": 1216,
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"text": "To align the bar and line in matplotlib two Y-axes chart, we can use twinx() method to create a twin of Axes with a shared X-axis but independent Y-axis."
},
{
"code": null,
"e": 1292,
"s": 1216,
"text": "Set the figure size and adju... |
MVC Framework - Advanced Example | In the first chapter, we learnt how Controllers and Views interact in MVC. In this tutorial, we are going to take a step forward and learn how to use Models and create an advanced application to create, edit, delete. and view the list of users in our application.
Step 1 β Select File β New β Project β ASP.NET MVC Web A... | [
{
"code": null,
"e": 2289,
"s": 2025,
"text": "In the first chapter, we learnt how Controllers and Views interact in MVC. In this tutorial, we are going to take a step forward and learn how to use Models and create an advanced application to create, edit, delete. and view the list of users in our ap... |
Python - Sequence Assignment to Words - GeeksforGeeks | 05 Sep, 2020
Given a String of words, assign index to each word.
Input : test_str = βgeekforgeeks is bestβOutput : {0: βgeekforgeeksβ, 1: βisβ, 2: βbestβ}Explanation : Index assigned to each word.
Input : test_str = βgeekforgeeks bestβOutput : {0: βgeekforgeeksβ, 1: βbestβ}Explanation : Index assigned to each word.
Met... | [
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"code": null,
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"text": "Given a String of words, assign index to each word."
},
{
"code": null,
"e": 24155,
"s": 24023,
"text": "Input : test_str = βgeekforgeeks is be... |
C++: Methods of code shortening in competitive programming - GeeksforGeeks | 17 Jun, 2021
Shortcode is ideal in competitive programming because programs should be written as fast as possible. Because of this, competitive programmers often define shorter names for datatypes and other parts of the code. We here discuss the method of code shortening in C++ specifically.Type names Using the command... | [
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},
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"code": null,
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"text": "Shortcode is ideal in competitive programming because programs should be written as fast as possible. Because of this, competitive programmers often define shorter... |
API calls on Blockchain; best practices for data collection | by Patrick Collins | Towards Data Science | Most software engineers, when looking to get data from outside their programs, look to get data from API calls or HTTP GET/POST requests. Similarly, on a blockchain, people look to get data from an external API as well. This article will teach you how to do that! Letβs get going, here is step one:
Got you.
You actually... | [
{
"code": null,
"e": 471,
"s": 172,
"text": "Most software engineers, when looking to get data from outside their programs, look to get data from API calls or HTTP GET/POST requests. Similarly, on a blockchain, people look to get data from an external API as well. This article will teach you how to ... |
How to Query Your Pandas Dataframe | Towards Data Science | IntroductionMultiple ConditionsMerging On Multiple, Specific ColumnsSummaryReferences
Introduction
Multiple Conditions
Merging On Multiple, Specific Columns
Summary
References
Whether you are transitioning from a data engineer/data analyst or wanting to become a more efficient data scientist, querying your dataframe ca... | [
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"text": "IntroductionMultiple ConditionsMerging On Multiple, Specific ColumnsSummaryReferences"
},
{
"code": null,
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"s": 258,
"text": "Introduction"
},
{
"code": null,
"e": 291,
"s": 271,
"text": "Multiple Condition... |
Find minimum cost to buy all books - GeeksforGeeks | 22 Jun, 2021
Given an array of ratings for n books. Find the minimum cost to buy all books with below conditions :
Cost of every book would be at-least 1 dollar.A book has higher cost than an adjacent (left or right) if rating is more than the adjacent.
Cost of every book would be at-least 1 dollar.
A book has higher... | [
{
"code": null,
"e": 25052,
"s": 25024,
"text": "\n22 Jun, 2021"
},
{
"code": null,
"e": 25156,
"s": 25052,
"text": "Given an array of ratings for n books. Find the minimum cost to buy all books with below conditions : "
},
{
"code": null,
"e": 25295,
"s": 25156,... |
Apache Commons DBUtils - Environment Setup | To start developing with DBUtils, you should setup your DBUtils environment by following the steps shown below. We assume that you are working on a Windows platform.
Install J2SE Development Kit 5.0 (JDK 5.0) from Java Official Site.
Make sure following environment variables are set as described below β
JAVA_HOME β Thi... | [
{
"code": null,
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"text": "To start developing with DBUtils, you should setup your DBUtils environment by following the steps shown below. We assume that you are working on a Windows platform."
},
{
"code": null,
"e": 2386,
"s": 2318,
"text": "Install J2SE Dev... |
Extract all integers from string in C++ - GeeksforGeeks | 19 Apr, 2022
Given a string, extract all integers words from it.
Examples :
Input : str = "geeksforgeeks 12 13 practice"
Output : 12 13
Input : str = "1: Prakhar Agrawal, 2: Manish Kumar Rai, 3: Rishabh Gupta"
Output : 1 2 3
Input : str = "Ankit sleeps at 4 am."
Output : 4
The idea is to use stringstream:, objects o... | [
{
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"text": "\n19 Apr, 2022"
},
{
"code": null,
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"text": "Given a string, extract all integers words from it."
},
{
"code": null,
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"text": "Examples :"
},
{
"code": null,... |
Find the highest moving (hidden) stocks of the day with Python | by Dorien Herremans | Towards Data Science | We will make use of a library called yfinance, that will provide us with historic stock data and import pandas.
# imports!pip install yfinanceimport yfinance as yffrom pandas_datareader import data as pdrimport pandas as pd
As we donβt just want to explore the most well known stock, we will load a complete list of all ... | [
{
"code": null,
"e": 284,
"s": 172,
"text": "We will make use of a library called yfinance, that will provide us with historic stock data and import pandas."
},
{
"code": null,
"e": 396,
"s": 284,
"text": "# imports!pip install yfinanceimport yfinance as yffrom pandas_datareader ... |
Rename Root @ localhost username in MySQL? | The syntax is as follows to rename Root @localhost
UPDATE MySQL.user SET user = βyourNewRootNameβ WHERE user = 'root';
To understand the above concept, let us check all the user names and host. The query is as follows
mysql> select user,host from MySQL.user;
The following is the output
+------------------+-----------+
... | [
{
"code": null,
"e": 1113,
"s": 1062,
"text": "The syntax is as follows to rename Root @localhost"
},
{
"code": null,
"e": 1181,
"s": 1113,
"text": "UPDATE MySQL.user SET user = βyourNewRootNameβ WHERE user = 'root';"
},
{
"code": null,
"e": 1280,
"s": 1181,
"... |
How to clear console in C? | There are several methods to clear the console or output screen and one of them is clrscr() function. It clears the screen as function invokes. It is declared in βconio.hβ header file. There are some other methods too like system(βclsβ) and system(βclearβ) and these are declared in βstdlib.hβ header file.
Here is the s... | [
{
"code": null,
"e": 1369,
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"text": "There are several methods to clear the console or output screen and one of them is clrscr() function. It clears the screen as function invokes. It is declared in βconio.hβ header file. There are some other methods too like system(βclsβ) and system(βclea... |
10 Interesting Python Cool Tricks | With increase in popularity of python, more and more features are becoming available for python coding. Using this features makes writing the code in fewer lines and cleaner. In this article we will see 10 such python tricks which are very frequently used and most useful.
We can simply reverse a given list by using a r... | [
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"text": "With increase in popularity of python, more and more features are becoming available for python coding. Using this features makes writing the code in fewer lines and cleaner. In this article we will see 10 such python tricks which are very frequently us... |
Node.js fs.closeSync() Method - GeeksforGeeks | 08 Oct, 2021
The fs.closeSync() method is used to synchronously close the given file descriptor thereby clearing the file that is associated with it. It allows the file descriptor to be reused for other files. Calling fs.closeSync() on a file descriptor while some other operation is being performed on it may lead to un... | [
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},
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"code": null,
"e": 25327,
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"text": "The fs.closeSync() method is used to synchronously close the given file descriptor thereby clearing the file that is associated with it. It allows the file descrip... |
What are the inserting elements in queue in C language? | Data structure is collection of data organized in a structured way. It is divided into two types as explained below β
Linear data structure β Data is organized in a linear fashion. For example, arrays, structures, stacks, queues, linked lists.
Linear data structure β Data is organized in a linear fashion. For example, ... | [
{
"code": null,
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"text": "Data structure is collection of data organized in a structured way. It is divided into two types as explained below β"
},
{
"code": null,
"e": 1306,
"s": 1180,
"text": "Linear data structure β Data is organized in a linear fashion. F... |
Counting Bits in Python | Suppose we have a non-negative integer number num. For each number i in the range 0 β€ i β€ num we have to calculate the number of 1's in their binary counterpart and return them as a list. So if the number is 5, then the numbers are [0, 1, 2, 3, 4, 5], and number of 1s in these numbers are [0, 1, 1, 2, 1, 2]
To solve th... | [
{
"code": null,
"e": 1371,
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"text": "Suppose we have a non-negative integer number num. For each number i in the range 0 β€ i β€ num we have to calculate the number of 1's in their binary counterpart and return them as a list. So if the number is 5, then the numbers are [0, 1, 2, 3, 4, 5], a... |
Get Synchronized List from ArrayList in java | In order to get a synchronized list from an ArrayList, we use the synchronizedList(List <T>) method in Java. The Collections.synchronizedList(List <T>) method accepts the ArrayList as an argument and returns a thread safe list.
Declaration βThe Collections.synchronizedList(List <T>) method is declared as follows β
publ... | [
{
"code": null,
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"text": "In order to get a synchronized list from an ArrayList, we use the synchronizedList(List <T>) method in Java. The Collections.synchronizedList(List <T>) method accepts the ArrayList as an argument and returns a thread safe list."
},
{
"code": nul... |
Segregate 0βs and 1βs in an array list using Python? | List Comprehension is a popular technique in Python. Here we use this technique. We create a user input array and array element should be 0βs and 1βs in random order. Then segregate 0βs on left side and 1βs on right side. We traverse the array and separate two different list, one contains 0βs and another contains 1βs, ... | [
{
"code": null,
"e": 1409,
"s": 1062,
"text": "List Comprehension is a popular technique in Python. Here we use this technique. We create a user input array and array element should be 0βs and 1βs in random order. Then segregate 0βs on left side and 1βs on right side. We traverse the array and separ... |
FreeGames module in Python - GeeksforGeeks | 26 Jul, 2021
Python provides you free games and itβs is very easy and simple to get them and you can run it on you computer. So, are you curious about how you can get them? Just follow these simple steps:
Step #1:
Go to command prompt and type the following commandpython -m pip install freegames
python -m pip install f... | [
{
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"text": "\n26 Jul, 2021"
},
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"code": null,
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"text": "Python provides you free games and itβs is very easy and simple to get them and you can run it on you computer. So, are you curious about how you can get them? Jus... |
LINQ | Concatenation Operator | Concat - GeeksforGeeks | 22 May, 2019
The concatenation is a process in which one sequence is appended into another sequence. In LINQ, the concatenation operation contains only one operator that is known as Concat. It is used to append two same types of sequences or collections and return a new sequence or collection.
It does not support query... | [
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},
{
"code": null,
"e": 24154,
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"text": "The concatenation is a process in which one sequence is appended into another sequence. In LINQ, the concatenation operation contains only one operator that is kno... |
Java Program to check whether the character is ASCII 7 bit printable | To check whether the entered value is ASCII 7-bit printable, check whether the characters ASCII value is greater than equal to 32 and less than 127 or not. These are the control characters.
Here, we have a character.
char one = '^';
Now, we have checked a condition with if-else for printable characters.
if (c >= 32 && ... | [
{
"code": null,
"e": 1252,
"s": 1062,
"text": "To check whether the entered value is ASCII 7-bit printable, check whether the characters ASCII value is greater than equal to 32 and less than 127 or not. These are the control characters."
},
{
"code": null,
"e": 1279,
"s": 1252,
"... |
How data normalization affects your Random Forest algorithm | by Javier Fernandez | Towards Data Science | Recently, I was implementing a Random Forest regressor when I faced the classical question of: Should I implement data normalization?.
As far as I knew, decision tree-based algorithms do not need, in general, normalization. But, I realized that every time I heard this statement it was related to classifiers so, what ab... | [
{
"code": null,
"e": 182,
"s": 47,
"text": "Recently, I was implementing a Random Forest regressor when I faced the classical question of: Should I implement data normalization?."
},
{
"code": null,
"e": 416,
"s": 182,
"text": "As far as I knew, decision tree-based algorithms do ... |
Crystal Reports - Creating Arrays | An Array variable in Crystal Report can be defined by using a keyword "Array".
Global NumberVar Array Z := [1, 2, 3];
You can also assign values to the elements of Array and these values can be used for computations in formulas. For example β
StringVar Array Z := ["Hello","World"];
Z[2] :=["Bye"];
UpperCase (Z [2] )
T... | [
{
"code": null,
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"text": "An Array variable in Crystal Report can be defined by using a keyword \"Array\"."
},
{
"code": null,
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"s": 3049,
"text": "Global NumberVar Array Z := [1, 2, 3];\n"
},
{
"code": null,
"e": 3214,
"s": 3089,
... |
HTML5 Complete Reference - GeeksforGeeks | 17 Mar, 2022
HTML stands for Hyper Text Markup Language. It is used to design web pages using a markup language. HTML is the combination of Hypertext and Markup language. Hypertext defines the link between the web pages. A markup language is used to define the text document within the tag which defines the structure of... | [
{
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},
{
"code": null,
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"text": "HTML stands for Hyper Text Markup Language. It is used to design web pages using a markup language. HTML is the combination of Hypertext and Markup language. Hyper... |
How to add a horizontal line to the plot created by ggplot2 in R? | When we create a plot, it shows the values passed by the function for creating the plot but we might want to display some other values to provide some information through the plot and that information could be a threshold value as a horizontal line or we can also call it a cut off value. This can be done by using geom_... | [
{
"code": null,
"e": 1417,
"s": 1062,
"text": "When we create a plot, it shows the values passed by the function for creating the plot but we might want to display some other values to provide some information through the plot and that information could be a threshold value as a horizontal line or w... |
Assignment Operators Overloading in C++ | You can overload the assignment operator (=) just as you can other operators and it can be used to create an object just like the copy constructor.
Following example explains how an assignment operator can be overloaded.
#include <iostream>
using namespace std;
class Distance {
private:
int feet; ... | [
{
"code": null,
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"s": 2318,
"text": "You can overload the assignment operator (=) just as you can other operators and it can be used to create an object just like the copy constructor."
},
{
"code": null,
"e": 2539,
"s": 2466,
"text": "Following example explains how an ... |
Building Recommender Systems Engines with a Python Framework | by Arthur Fortes | Towards Data Science | A number of frameworks for Recommender Systems (RS) have been proposed by the scientific community, involving different programming languages, such as Java, C\#, Python, among others. However, most of them lack an integrated environment containing clustering and ensemble approaches which are capable to improve recommen... | [
{
"code": null,
"e": 749,
"s": 172,
"text": "A number of frameworks for Recommender Systems (RS) have been proposed by the scientific community, involving different programming languages, such as Java, C\\#, Python, among others. However, most of them lack an integrated environment containing cluste... |
Kali Linux - Exploitation Tools | In this chapter, we will learn about the various exploitation tools offered by Kali Linux.
As we mentioned before, Metasploit is a product of Rapid7 and most of the resources can be found on their web page www.metasploit.com. It is available in two versions - commercial and free edition. The differences between these t... | [
{
"code": null,
"e": 2120,
"s": 2029,
"text": "In this chapter, we will learn about the various exploitation tools offered by Kali Linux."
},
{
"code": null,
"e": 2440,
"s": 2120,
"text": "As we mentioned before, Metasploit is a product of Rapid7 and most of the resources can be ... |
Verifying whether an element present or visible in Selenium Webdriver | We can verify whether an element is present or visible in a page with Selenium webdriver. To check the presence of an element, we can use the method β findElements.
The method findElements returns a list of matching elements. Then, we have to use the method size to get the number of items in the list. If the size is 0,... | [
{
"code": null,
"e": 1227,
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"text": "We can verify whether an element is present or visible in a page with Selenium webdriver. To check the presence of an element, we can use the method β findElements."
},
{
"code": null,
"e": 1435,
"s": 1227,
"text": "The method findEl... |
HTML input Tag - GeeksforGeeks | 09 Feb, 2021
In HTML, the input field can be specified using where a user can enter data. The input tag is used within < form> element to declare input controls that allow users to input data. An input field can be of various types depending upon the attribute type. The Input tag is an empty element which only contains... | [
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"text": "\n09 Feb, 2021"
},
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"code": null,
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"s": 23728,
"text": "In HTML, the input field can be specified using where a user can enter data. The input tag is used within < form> element to declare input controls that allow user... |
Web Services with Ruby - SOAP4R | The Simple Object Access Protocol (SOAP), is a cross-platform and language-independent RPC protocol based on XML and, usually (but not necessarily) HTTP.
It uses XML to encode the information that makes the remote procedure call, and HTTP to transport that information across a network from clients to servers and vice v... | [
{
"code": null,
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"text": "The Simple Object Access Protocol (SOAP), is a cross-platform and language-independent RPC protocol based on XML and, usually (but not necessarily) HTTP."
},
{
"code": null,
"e": 2620,
"s": 2448,
"text": "It uses XML to encode the in... |
HTML | Marquee behavior attribute - GeeksforGeeks | 09 Feb, 2022
The Marquee behavior attribute in HTML is used to set the behavior of scrolling. The default value is scroll.Syntax:
<marquee behavior=slide >
Attribute value:
alternate: It defines that text moving to the end and then starting in the opposite direction.
scroll: It has a default value. specify the text... | [
{
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"text": "The Marquee behavior attribute in HTML is used to set the behavior of scrolling. The default value is scroll.Syntax: "
},
{
"code": null,
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... |
Data visualization with Python Using Seaborn and Plotly_ GDP per Capita & Life Expectency Dataset | by Fatima Zahra Iazza | Towards Data Science | This tutorial is intended to help you get up-and-running with python data visualization libraries very quickly. I choose seaborn and plotly that is the most used and awesome tools to visualize fully-interactive plots and make data looking great.
Also you will get to discover the relationship between economy and social ... | [
{
"code": null,
"e": 417,
"s": 171,
"text": "This tutorial is intended to help you get up-and-running with python data visualization libraries very quickly. I choose seaborn and plotly that is the most used and awesome tools to visualize fully-interactive plots and make data looking great."
},
{... |
Beginnerβs Guide to Data Cleaning and Feature Extraction in NLP | by Enes Gokce | Towards Data Science | This article will explain the steps of data cleaning and future extraction for text analysis done by using Neural Language Processing (NLP).
On the internet, there are many great text cleaning guides. Some of the guides are making feature extraction after text cleaning while some of them are making before the text clea... | [
{
"code": null,
"e": 313,
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"text": "This article will explain the steps of data cleaning and future extraction for text analysis done by using Neural Language Processing (NLP)."
},
{
"code": null,
"e": 963,
"s": 313,
"text": "On the internet, there are many great text cl... |
Lucene - IndexWriter | This class acts as a core component which creates/updates indexes during indexing process.
Following is the declaration for org.apache.lucene.index.IndexWriter class β
public class IndexWriter
extends Object
implements Closeable, TwoPhaseCommit
Following are the fields for the org.apache.lucene.index.IndexWri... | [
{
"code": null,
"e": 1934,
"s": 1843,
"text": "This class acts as a core component which creates/updates indexes during indexing process."
},
{
"code": null,
"e": 2011,
"s": 1934,
"text": "Following is the declaration for org.apache.lucene.index.IndexWriter class β"
},
{
... |
MySQLi - Like Clause | We have seen the SQL SELECT command to fetch data from the MySQL table. We can also use a conditional clause called as the WHERE clause to select the required records.
A WHERE clause with the βequal toβ sign (=) works fine where we want to do an exact match. Like if "tutorial_author = 'Sanjay'". But there may be a requ... | [
{
"code": null,
"e": 2431,
"s": 2263,
"text": "We have seen the SQL SELECT command to fetch data from the MySQL table. We can also use a conditional clause called as the WHERE clause to select the required records."
},
{
"code": null,
"e": 2755,
"s": 2431,
"text": "A WHERE clause... |
Ruby | Array to_h() function - GeeksforGeeks | 05 Dec, 2019
Array#to_h() : to_h() is a Array class method which returns the result of interpreting ary as an array of [key, value] pairs.
Syntax: Array.to_h()
Parameter: Array
Return: the result of interpreting ary as an array of [key, value] pairs.
Example #1 :
# Ruby code for to_h() method # declaring arraya = [[:f... | [
{
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"code": null,
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"text": "Array#to_h() : to_h() is a Array class method which returns the result of interpreting ary as an array of [key, value] pairs."
},
{
"code": null,
"e": ... |
Spring Boot Redis Cache Example | Redis @Cachable @Cacheput | 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 how to ... | [
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{
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},
{
"code": null,
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D3.js - Animation | D3.js supports animation through transition. We can do animation with proper use of transition. Transitions are a limited form of Key Frame Animation with only two key frames β start and end. The starting key frame is typically the current state of the DOM, and the ending key frame is a set of attributes, styles and ot... | [
{
"code": null,
"e": 2600,
"s": 2130,
"text": "D3.js supports animation through transition. We can do animation with proper use of transition. Transitions are a limited form of Key Frame Animation with only two key frames β start and end. The starting key frame is typically the current state of the ... |
How to make border around all unordered list items that are children of a specified class using jQuery ? - GeeksforGeeks | 22 Apr, 2021
In this article, we will see how to set a border around all list items that are children of a specified class of an unordered list using jQuery. This task can be done by using the children selector() method.
children selector(βparent > childβ) β As you notice from the name itself that it takes two argument... | [
{
"code": null,
"e": 25755,
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"text": "\n22 Apr, 2021"
},
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"code": null,
"e": 25963,
"s": 25755,
"text": "In this article, we will see how to set a border around all list items that are children of a specified class of an unordered list using jQuery. This task can be d... |
C++ Null Pointers | It is always a good practice to assign the pointer NULL to a pointer variable in case you do not have exact address to be assigned. This is done at the time of variable declaration. A pointer that is assigned NULL is called a null pointer.
The NULL pointer is a constant with a value of zero defined in several standard ... | [
{
"code": null,
"e": 2558,
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"text": "It is always a good practice to assign the pointer NULL to a pointer variable in case you do not have exact address to be assigned. This is done at the time of variable declaration. A pointer that is assigned NULL is called a null pointer."
},
{
... |
Angular CLI - ng xi18n Command | This chapter explains the syntax, arguments and options of ng xi18n command along with an example.
The syntax for ng xi18n command is as follows β
ng xi18n <project> [options]
ng i18n-extract <project> [options]
ng xi18n command extracts i18n messages from source code.
The argument for ng xi18n command is as follows ... | [
{
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"text": "This chapter explains the syntax, arguments and options of ng xi18n command along with an example."
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"text": "The syntax for ng xi18n command is as follows β"
},
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Linear Time vs. Logarithmic Time β Big O Notation | by Jhantelle Belleza | Towards Data Science | Hello there! Iβm finally back after more than 2 months of not writing/touching code. I got caught up with the all the wedding preparation and planning. Itβs hard pulling off an overseas wedding without a wedding planner. But it was all worth it since our wedding was one for the books! Wedding feverβs over and now itβs ... | [
{
"code": null,
"e": 563,
"s": 172,
"text": "Hello there! Iβm finally back after more than 2 months of not writing/touching code. I got caught up with the all the wedding preparation and planning. Itβs hard pulling off an overseas wedding without a wedding planner. But it was all worth it since our ... |
Find and display duplicate values only once from a column in MySQL | Let us first create a table β
mysql> create table DemoTable
-> (
-> value int
-> );
Query OK, 0 rows affected (0.82 sec)
Insert some records in the table using insert command β
mysql> insert into DemoTable values(10);
Query OK, 1 row affected (0.19 sec)
mysql> insert into DemoTable values(100);
Query OK, 1 row affecte... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table β"
},
{
"code": null,
"e": 1183,
"s": 1092,
"text": "mysql> create table DemoTable\n-> (\n-> value int\n-> );\nQuery OK, 0 rows affected (0.82 sec)"
},
{
"code": null,
"e": 1239,
"s": 1183,... |
Wand arc() function in Python - GeeksforGeeks | 16 Oct, 2021
arc() is a function present in wand.drawing module. arc() function draws an arc in the image. Youβll need to define three pairs of (x, y) coordinates. First & second pair of coordinates will be the minimum bounding rectangle, and the last pair define the starting & ending degree.
Syntax :
wand.drawing.a... | [
{
"code": null,
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},
{
"code": null,
"e": 24496,
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"text": "arc() is a function present in wand.drawing module. arc() function draws an arc in the image. Youβll need to define three pairs of (x, y) coordinates. First & seco... |
How to use search functionality in custom listview in Android using kotlin? | This example demonstrates how to use search functionality in custom listview in Android using kotlin
Step 1 β Create a new project in Android Studio, go to File β New Project and fill all required details to create a new project.
Step 2 β Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encod... | [
{
"code": null,
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"text": "This example demonstrates how to use search functionality in custom listview in Android using kotlin"
},
{
"code": null,
"e": 1292,
"s": 1163,
"text": "Step 1 β Create a new project in Android Studio, go to File β New Project and fil... |
Matplotlib.pyplot.axis() in Python - GeeksforGeeks | 12 Apr, 2020
Matplotlib is a plotting library for creating static, animated, and interactive visualizations in Python. Pyplot is a Matplotlib module which provides a MATLAB-like interface. Matplotlib is designed to be as usable as MATLAB, with the ability to use Python and the advantage of being free and open-source.
T... | [
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"text": "\n12 Apr, 2020"
},
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"code": null,
"e": 25130,
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"text": "Matplotlib is a plotting library for creating static, animated, and interactive visualizations in Python. Pyplot is a Matplotlib module which provides a MATLAB-lik... |
Difference between C-SCAN and SSTF Disk Scheduling Algorithm - GeeksforGeeks | 12 Jun, 2020
1. C-SCAN Disk Scheduling Algorithm :C-SCAN algorithm, also known as Circular Elevator algorithm is the modified version of SCAN algorithm. In this algorithm, the head pointer starts from one end of disk and moves towards the other end, serving all requests in between. After reaching the other end, the hea... | [
{
"code": null,
"e": 24467,
"s": 24439,
"text": "\n12 Jun, 2020"
},
{
"code": null,
"e": 24958,
"s": 24467,
"text": "1. C-SCAN Disk Scheduling Algorithm :C-SCAN algorithm, also known as Circular Elevator algorithm is the modified version of SCAN algorithm. In this algorithm, the ... |
Data Access Object Pattern - GeeksforGeeks | 02 Dec, 2021
Data Access Object Pattern or DAO pattern is used to separate low-level data accessing API or operations from high-level business services. Following are the participants in Data Access Object Pattern.
UML Diagram Data Access Object Pattern
Advantages
1. The advantage of using data access objects is the r... | [
{
"code": null,
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"text": "\n02 Dec, 2021"
},
{
"code": null,
"e": 24761,
"s": 24558,
"text": "Data Access Object Pattern or DAO pattern is used to separate low-level data accessing API or operations from high-level business services. Following are the parti... |
Text Classification on Disaster Tweets with LSTM and Word Embedding | by Emmanuella Anggi | Towards Data Science | This was my first Kaggle notebook and I thought why not write it on Medium too?
Full code on my Github.
In this post, I will elaborate on how to use fastText and GloVe as word embedding on LSTM model for text classification. I got interested in Word Embedding while doing my paper on Natural Language Generation. It show... | [
{
"code": null,
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"text": "This was my first Kaggle notebook and I thought why not write it on Medium too?"
},
{
"code": null,
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"s": 251,
"text": "Full code on my Github."
},
{
"code": null,
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"text": "In this post... |
How to create a stacked bar plot with vertical bars in R using ggplot2? | Traditionally, the stacked bar plot has multiple bars for each level of categories lying upon each other. But this visual can be changed by creating vertical bars for each level of categories, this will help us to read the stacked bar easily as compared to traditional stacked bar plot because people have a habit to rea... | [
{
"code": null,
"e": 1399,
"s": 1062,
"text": "Traditionally, the stacked bar plot has multiple bars for each level of categories lying upon each other. But this visual can be changed by creating vertical bars for each level of categories, this will help us to read the stacked bar easily as compared... |
Read List of Dictionaries from File in Python - GeeksforGeeks | 26 Jul, 2020
A dictionary in Python is a collection where every value is mapped to a key. Since they are unordered and there is no constraint on the data type of values and keys stored in the dictionary, it is tricky to read dictionaries from files in Python.
The problem statement mentions a list of dictionaries that h... | [
{
"code": null,
"e": 24272,
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"text": "\n26 Jul, 2020"
},
{
"code": null,
"e": 24519,
"s": 24272,
"text": "A dictionary in Python is a collection where every value is mapped to a key. Since they are unordered and there is no constraint on the data type of values and key... |
Introduction to NLP - Part 3: TF-IDF explained | by Zolzaya Luvsandorj | Towards Data Science | Term frequency-inverse document frequency, also known as tf-idf... π€
Does this sound gibberish to you? But you wish it doesnβt? In this post, I will first demonstrate how to vectorise text data to tf-idf using sklearn and then show a step-by-step process on how do it ourselves without any software. I hope tf-idf will ... | [
{
"code": null,
"e": 240,
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"text": "Term frequency-inverse document frequency, also known as tf-idf... π€"
},
{
"code": null,
"e": 535,
"s": 240,
"text": "Does this sound gibberish to you? But you wish it doesnβt? In this post, I will first demonstrate how to vectorise t... |
C# program to convert string to long | To convert a string to a long, use the Long.parse method in C# β
Firstly, set a string β
string str = "6987646475767";
Now, convert it to long β
long.Parse(str);
Here is the complete code β
Live Demo
using System;
using System.Linq;
class Demo {
static void Main() {
string str = "6987646475767";
long re... | [
{
"code": null,
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"text": "To convert a string to a long, use the Long.parse method in C# β"
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"text": "Firstly, set a string β"
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"code": null,
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"text": "string str = \"6987646... |
Basics of Discrete Event Simulation using SimPy in Python | SimPy (rhymes with βBlimpieβ) is a python package for process-oriented discrete-event simulation.
The easiest way to install SimPy is via pip:
pip install simpy
And the output you may get will be something like,
At the time of writing, simpy-3.0.11 is the most recent version of SimPy, and we will use it for all the bel... | [
{
"code": null,
"e": 1160,
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"text": "SimPy (rhymes with βBlimpieβ) is a python package for process-oriented discrete-event simulation."
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{
"code": null,
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"s": 1160,
"text": "The easiest way to install SimPy is via pip:"
},
{
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CockeβYoungerβKasami (CYK) Algorithm | 22 Jun, 2022
Grammar denotes the syntactical rules for conversation in natural language. But in the theory of formal language, grammar is defined as a set of rules that can generate strings. The set of all strings that can be generated from a grammar is called the language of the grammar.
Context Free Grammar: We are g... | [
{
"code": null,
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"text": "\n22 Jun, 2022"
},
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"code": null,
"e": 305,
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"text": "Grammar denotes the syntactical rules for conversation in natural language. But in the theory of formal language, grammar is defined as a set of rules that can generate string... |
Python | Excel File Comparison | 09 Sep, 2019
Input :
Two Excel files
Output :
Column name : 'location' and Row Number : 0
Column name : 'location' and Row Number : 3
Column name : 'date' and Row Number : 1
Code : Python code for comparing two excel files
# Write Python3 code here# importing Pandas import pandas as pd #Reading two Excel Shee... | [
{
"code": null,
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"text": "\n09 Sep, 2019"
},
{
"code": null,
"e": 223,
"s": 54,
"text": "Input : \nTwo Excel files\n\nOutput :\nColumn name : 'location' and Row Number : 0\nColumn name : 'location' and Row Number : 3\nColumn name : 'date' and Row Number : 1\n... |
ML | Implementing L1 and L2 regularization using Sklearn | 22 Nov, 2021
Prerequisites: L2 and L1 regularizationThis article aims to implement the L2 and L1 regularization for Linear regression using the Ridge and Lasso modules of the Sklearn library of Python. Dataset β House prices dataset.Step 1: Importing the required libraries
Python3
import pandas as pdimport numpy as np... | [
{
"code": null,
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},
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"code": null,
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"text": "Prerequisites: L2 and L1 regularizationThis article aims to implement the L2 and L1 regularization for Linear regression using the Ridge and Lasso modules of the Sklearn libra... |
TextSpan Widget in Flutter | 01 Jul, 2021
TextSpan is an immutable span of text. It has style property to give style to the text. It is also having children property to add more text to this widget and give style to the children. Letβs understand this with the help of an example.
Syntax:
TextSpan({String text,
List<InlineSpan> children,
TextStyl... | [
{
"code": null,
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"text": "\n01 Jul, 2021"
},
{
"code": null,
"e": 293,
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"text": "TextSpan is an immutable span of text. It has style property to give style to the text. It is also having children property to add more text to this widget and give style to ... |
Python β Remove empty List from List | 04 Jul, 2022
Sometimes, while working with python, we can have a problem in which we need to filter out certain empty data. These can be none, empty string, etc. This can have applications in many domains. Let us discuss certain ways in which the removal of empty lists can be performed.
Method 1: Using list comprehens... | [
{
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},
{
"code": null,
"e": 328,
"s": 52,
"text": "Sometimes, while working with python, we can have a problem in which we need to filter out certain empty data. These can be none, empty string, etc. This can have application... |
Print matrix in zig-zag fashion | 26 May, 2022
Given a matrix of 2D array of n rows and m columns. Print this matrix in ZIG-ZAG fashion as shown in figure.
Example:
Input:
1 2 3
4 5 6
7 8 9
Output:
1 2 4 7 5 3 6 8 9
Approach of C++ code The approach is simple. Just simply iterate over every diagonal elements one at a time and change the directi... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n26 May, 2022"
},
{
"code": null,
"e": 163,
"s": 52,
"text": "Given a matrix of 2D array of n rows and m columns. Print this matrix in ZIG-ZAG fashion as shown in figure. "
},
{
"code": null,
"e": 174,
"s": 163,
"te... |
Node.js process.exit() Method | 24 Dec, 2021
The process.exit() method is used to end the process which is running at the same time with an exit code in NodeJS.
Syntax:
process.exit( code )
Parameter: This function accepts single parameter as mentioned above and described below:
Code: It can be either 0 or 1. 0 means end the process without any kind... | [
{
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"e": 144,
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"text": "The process.exit() method is used to end the process which is running at the same time with an exit code in NodeJS."
},
{
"code": null,
"e": 152,
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... |
Searching For Characters and Substring in a String in Java | 08 Jul, 2022
Strings are a very important aspect from a programming perspective as many questions can be framed out among strings. There arise wide varied sets of concepts and questions that are pivotal to understanding strings. Now over here will be discussing different ways to play with strings where we will be playi... | [
{
"code": null,
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{
"code": null,
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"text": "Strings are a very important aspect from a programming perspective as many questions can be framed out among strings. There arise wide varied sets of concepts and questions t... |
get_cookie driver method β Selenium Python | 03 Dec, 2020
Seleniumβs Python Module is built to perform automated testing with Python. Selenium Python bindings provides a simple API to write functional/acceptance tests using Selenium WebDriver. To open a webpage using Selenium Python, checkout β Navigating links using get method β Selenium Python. Just being able ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n03 Dec, 2020"
},
{
"code": null,
"e": 768,
"s": 28,
"text": "Seleniumβs Python Module is built to perform automated testing with Python. Selenium Python bindings provides a simple API to write functional/acceptance tests using Selenium ... |
Collectors toSet() in Java with Examples | 06 Dec, 2018
Collectors toSet() returns a Collector that accumulates the input elements into a new Set. There are no guarantees on the type, mutability, serializability, or thread-safety of the Set returned. This is an unordered Collector i.e, the collection operation does not commit to preserving the encounter order o... | [
{
"code": null,
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"text": "\n06 Dec, 2018"
},
{
"code": null,
"e": 377,
"s": 52,
"text": "Collectors toSet() returns a Collector that accumulates the input elements into a new Set. There are no guarantees on the type, mutability, serializability, or thread-safety ... |
How to remove HTML tags with RegExp in JavaScript? | 06 Sep, 2019
Here, the task is to remove the HTML tags from the string. Here string contains a part of the document and we need to extract only the text part from it. Here we are going to do that with the help of JavaScript.
Approach:
Take the string in a variable.
Anything between the less than symbol and the greater ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n06 Sep, 2019"
},
{
"code": null,
"e": 240,
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"text": "Here, the task is to remove the HTML tags from the string. Here string contains a part of the document and we need to extract only the text part from it. Here we are going to ... |
Conversion of S-R Flip-Flop into D Flip-Flop | 28 Apr, 2020
Prerequisite β Flip-flop
1. S-R Flip-Flop :S-R flip-flop is similar to S-R latch expect clock signal and two AND gates. The circuit responds to the positive edge of clock pulse to the inputs S and R.
2. D Flip-Flop :D Flip-Flop is a modified SR flip-flop which has an additional inverter. It prevents the in... | [
{
"code": null,
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},
{
"code": null,
"e": 78,
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"text": "Prerequisite β Flip-flop"
},
{
"code": null,
"e": 253,
"s": 78,
"text": "1. S-R Flip-Flop :S-R flip-flop is similar to S-R latch expect clock signal and tw... |
Find size of a list in Python | 12 Nov, 2018
In Python, List is a collection data-type which is ordered and changeable. A list can have duplicate entry as well. Here, the task is find the number of entries in a list. See the examples below.
Examples:
Input : a = [1, 2, 3, 1, 2, 3]
Output : 6
Count the number of entries in the list a.
Input : a = []
... | [
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"e": 249,
"s": 53,
"text": "In Python, List is a collection data-type which is ordered and changeable. A list can have duplicate entry as well. Here, the task is find the number of entries in a list. Se... |
Python | Pandas Series.rolling() | 07 Feb, 2019
Pandas series is a One-dimensional ndarray with axis labels. The labels need not be unique but must be a hashable type. The object supports both integer and label-based indexing and provides a host of methods for performing operations involving the index.
Pandas Series.rolling() function is a very useful f... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Feb, 2019"
},
{
"code": null,
"e": 284,
"s": 28,
"text": "Pandas series is a One-dimensional ndarray with axis labels. The labels need not be unique but must be a hashable type. The object supports both integer and label-based indexi... |
Angular-JS ng-repeat Directive - GeeksforGeeks | 09 Aug, 2019
Angular-JS ng-repeat directive is a handy tool to repeat a set of HTML code for a number of times or once per item in a collection of items. ng-repeat is mostly used on arrays and objects.ng-repeat is similar to a loop that we have in C, C++ or other languages but technically it instantiates a template(nor... | [
{
"code": null,
"e": 24525,
"s": 24497,
"text": "\n09 Aug, 2019"
},
{
"code": null,
"e": 25056,
"s": 24525,
"text": "Angular-JS ng-repeat directive is a handy tool to repeat a set of HTML code for a number of times or once per item in a collection of items. ng-repeat is mostly us... |
Multinomial NaiΜve Bayes classifier using pointwise mutual information | by Arghavan Moradi | Towards Data Science | Text classification means assigning documents to a list of categories based on the content of each document. We can improve the performance of classifiers if we select the trainset in a way to maximize the information gain. Pointwise Mutual Information (PMI) is a feature scoring metrics that estimate the association be... | [
{
"code": null,
"e": 571,
"s": 171,
"text": "Text classification means assigning documents to a list of categories based on the content of each document. We can improve the performance of classifiers if we select the trainset in a way to maximize the information gain. Pointwise Mutual Information (P... |
Android - RadioGroup Control | A RadioGroup class is used for set of radio buttons.
If we check one radio button that belongs to a radio group, it automatically unchecks any previously checked radio button within the same group.
Following are the important attributes related to RadioGroup control. You can check Android official documentation for com... | [
{
"code": null,
"e": 3660,
"s": 3607,
"text": "A RadioGroup class is used for set of radio buttons."
},
{
"code": null,
"e": 3805,
"s": 3660,
"text": "If we check one radio button that belongs to a radio group, it automatically unchecks any previously checked radio button within ... |
The Deep Music Visualizer: Using sound to explore the latent space of BigGAN | by Matt Siegelman | Towards Data Science | Want to make a deep music video? Wrap your mind around BigGAN. Developed at Google by Brock et al. (2018)1, BigGAN is a recent chapter in a brief history of generative adversarial networks (GANs). GANs are AI models trained by two competing neural networks: a generator creates new images based on statistical patterns l... | [
{
"code": null,
"e": 687,
"s": 172,
"text": "Want to make a deep music video? Wrap your mind around BigGAN. Developed at Google by Brock et al. (2018)1, BigGAN is a recent chapter in a brief history of generative adversarial networks (GANs). GANs are AI models trained by two competing neural network... |
LINQ - Dataset | A Dataset offers an extremely useful data representation in memory and is used for a diverse range of data based applications. LINQ to Dataset as one of the technology of LINQ to ADO.NET facilitates performing queries on the data of a Dataset in a hassle-free manner and enhance productivity.
LINQ to Dataset has made th... | [
{
"code": null,
"e": 2029,
"s": 1736,
"text": "A Dataset offers an extremely useful data representation in memory and is used for a diverse range of data based applications. LINQ to Dataset as one of the technology of LINQ to ADO.NET facilitates performing queries on the data of a Dataset in a hassl... |
java.lang.reflect.Method.getModifiers() Method Example | The java.lang.reflect.Method.getModifiers() method returns the Java language modifiers for the method represented by this Method object, as an integer. The Modifier class should be used to decode the modifiers.
Following is the declaration for java.lang.reflect.Method.getModifiers() method.
public int getModifiers()
t... | [
{
"code": null,
"e": 1665,
"s": 1454,
"text": "The java.lang.reflect.Method.getModifiers() method returns the Java language modifiers for the method represented by this Method object, as an integer. The Modifier class should be used to decode the modifiers."
},
{
"code": null,
"e": 1746,... |
Python String find() Method | Python string method find() determines if string str occurs in string, or in a substring of string if starting index beg and ending index end are given.
str.find(str, beg=0, end=len(string))
str β This specifies the string to be searched.
str β This specifies the string to be searched.
beg β This is the starting index... | [
{
"code": null,
"e": 2397,
"s": 2244,
"text": "Python string method find() determines if string str occurs in string, or in a substring of string if starting index beg and ending index end are given."
},
{
"code": null,
"e": 2436,
"s": 2397,
"text": "str.find(str, beg=0, end=len(... |
Causal Inference using Difference in Differences, Causal Impact, and Synthetic Control | by Prasanna Rajendran | Towards Data Science | Correlation is not causation. Then what is causation? How can it be measured?
Causation is measuring the real impact on Y because of X. E.g., What is the effect of ad campaigns on the sales of a product?
It is critical to precisely understand the causal effects of these interventions on the subject. One of the main thr... | [
{
"code": null,
"e": 250,
"s": 172,
"text": "Correlation is not causation. Then what is causation? How can it be measured?"
},
{
"code": null,
"e": 376,
"s": 250,
"text": "Causation is measuring the real impact on Y because of X. E.g., What is the effect of ad campaigns on the sa... |
Multi-Armed Bandits: Thompson Sampling Algorithm with Python Code | Towards Data Science | In this series of posts, we experiment with different bandit algorithms to optimise our movie nights β more specifically, how we select movies and restaurants for food delivery!
For newcomers, the name bandit comes from slot machines (known as one-armed bandits). You can think of it as something that can reward you (or... | [
{
"code": null,
"e": 350,
"s": 172,
"text": "In this series of posts, we experiment with different bandit algorithms to optimise our movie nights β more specifically, how we select movies and restaurants for food delivery!"
},
{
"code": null,
"e": 883,
"s": 350,
"text": "For newc... |
Hot Reload in ElectronJS - GeeksforGeeks | 22 Oct, 2021
ElectronJS is an Open Source Framework used for building Cross-Platform native desktop applications using web technologies such as HTML, CSS, and JavaScript which are capable of running on Windows, macOS, and Linux operating systems. It combines the Chromium engine and NodeJS into a Single Runtime.
Several... | [
{
"code": null,
"e": 24242,
"s": 24214,
"text": "\n22 Oct, 2021"
},
{
"code": null,
"e": 24542,
"s": 24242,
"text": "ElectronJS is an Open Source Framework used for building Cross-Platform native desktop applications using web technologies such as HTML, CSS, and JavaScript which ... |
Count of subarrays forming an Arithmetic Progression (AP) - GeeksforGeeks | 18 Apr, 2022
Given an array arr[] of size N, the task is to find the count of subarrays of at least length 2, such that the difference between the consecutive elements of those subarrays remains the same throughout i.e. the elements of the subarray forms an AP. Examples:
Input: arr[] = {8, 7, 4, 1, 0} Output: 5 Explana... | [
{
"code": null,
"e": 24405,
"s": 24377,
"text": "\n18 Apr, 2022"
},
{
"code": null,
"e": 24664,
"s": 24405,
"text": "Given an array arr[] of size N, the task is to find the count of subarrays of at least length 2, such that the difference between the consecutive elements of those... |
Match element in array of MongoDB? | You can use $or operator along with limit(1) to match element in array. Let us first create a collection with documents β
> db.matchElementInArrayDemo.insertOne(
... {
... "StudentName" : "Chris" ,
... "StudentOtherDetails" :
... [
... {"StudentCountryName" : "US" , "StudentSkills" : "MongoDB"}... | [
{
"code": null,
"e": 1184,
"s": 1062,
"text": "You can use $or operator along with limit(1) to match element in array. Let us first create a collection with documents β"
},
{
"code": null,
"e": 1945,
"s": 1184,
"text": "> db.matchElementInArrayDemo.insertOne(\n... {\n... \... |
Arduino - Keyboard Message | In this example, when the button is pressed, a text string is sent to the computer as keyboard input. The string reports the number of times the button is pressed. Once you have the Leonardo programmed and wired up, open your favorite text editor to see the results.
Warning β When you use the Keyboard.print() command, ... | [
{
"code": null,
"e": 3137,
"s": 2870,
"text": "In this example, when the button is pressed, a text string is sent to the computer as keyboard input. The string reports the number of times the button is pressed. Once you have the Leonardo programmed and wired up, open your favorite text editor to see... |
Can we cast an object reference to an interface reference in java? If so when? | Yes, you can.
If you implement an interface and provide body to its methods from a class. You can hold object of the that class using the reference variable of the interface i.e. cast an object reference to an interface reference.
But, using this you can access the methods of the interface only, if you try to access th... | [
{
"code": null,
"e": 1076,
"s": 1062,
"text": "Yes, you can."
},
{
"code": null,
"e": 1293,
"s": 1076,
"text": "If you implement an interface and provide body to its methods from a class. You can hold object of the that class using the reference variable of the interface i.e. cas... |
Root to leaf path sum | Practice | GeeksforGeeks | Given a binary tree and an integer S, check whether there is root to leaf path with its sum as S.
Example 1:
Input:
Tree =
1
/ \
2 3
S = 2
Output: 0
Explanation:
There is no root to leaf path with sum 2.
Example 2:
Input:
Tree =
1
/ \
2 3
S =... | [
{
"code": null,
"e": 336,
"s": 238,
"text": "Given a binary tree and an integer S, check whether there is root to leaf path with its sum as S."
},
{
"code": null,
"e": 347,
"s": 336,
"text": "Example 1:"
},
{
"code": null,
"e": 482,
"s": 347,
"text": "Input:\n... |
Find one extra character in a string using C++. | Suppose we have two strings S and T, the length of S is n, and the length of T is n + 1. The T will hold all characters that are present in S, but it will hold one extra character. Our task is to find the extra character using some efficient approach.
To solve this problem, we will take one empty hash table, and insert... | [
{
"code": null,
"e": 1314,
"s": 1062,
"text": "Suppose we have two strings S and T, the length of S is n, and the length of T is n + 1. The T will hold all characters that are present in S, but it will hold one extra character. Our task is to find the extra character using some efficient approach."
... |
\cdot - Tex Command | \cdot - Used to draw centered dot.
{ \cdot }
\cdot command draws centered dot.
a\cdot b
aβ
b
a\cdotp b
aβ
b
a\centerdot b
aβ
b
a\cdot b
aβ
b
a\cdot b
a\cdotp b
aβ
b
a\cdotp b
a\centerdot b
aβ
b
a\centerdot b
14 Lectures
52 mins
Ashraf Said
11 Lectures
1 hours
Ashraf Sai... | [
{
"code": null,
"e": 8021,
"s": 7986,
"text": "\\cdot - Used to draw centered dot."
},
{
"code": null,
"e": 8031,
"s": 8021,
"text": "{ \\cdot }"
},
{
"code": null,
"e": 8065,
"s": 8031,
"text": "\\cdot command draws centered dot."
},
{
"code": null,
... |
Assertions in C/C++ - GeeksforGeeks | 28 Feb, 2022
Assertions are statements used to test assumptions made by programmers. For example, we may use assertion to check if the pointer returned by malloc() is NULL or not. Following is the syntax for assertion.
void assert( int expression );
If the expression evaluates to 0 (false), then the expression, sourc... | [
{
"code": null,
"e": 24724,
"s": 24696,
"text": "\n28 Feb, 2022"
},
{
"code": null,
"e": 24931,
"s": 24724,
"text": "Assertions are statements used to test assumptions made by programmers. For example, we may use assertion to check if the pointer returned by malloc() is NULL or n... |
How to convert angular 4 application to desktop application using electron ? - GeeksforGeeks | 13 Dec, 2021
Using Electron JS, we can convert our existing angular project into a desktop application very easily. In this post, we will create a sample Angular project and convert it into a Desktop application step by step.
Prerequisites:
NPM Must be installed
Environment Setup:
Install Angular CLI:
npm install -g @... | [
{
"code": null,
"e": 24744,
"s": 24716,
"text": "\n13 Dec, 2021"
},
{
"code": null,
"e": 24957,
"s": 24744,
"text": "Using Electron JS, we can convert our existing angular project into a desktop application very easily. In this post, we will create a sample Angular project and co... |
DateTimeField - Django Models - GeeksforGeeks | 12 Feb, 2020
DateTimeField is a date and time field which stores date, represented in Python by a datetime.datetime instance. As the name suggests, this field is used to store an object of datetime created in python. The default form widget for this field is a TextInput. The admin uses two separate TextInput widgets wi... | [
{
"code": null,
"e": 24274,
"s": 24246,
"text": "\n12 Feb, 2020"
},
{
"code": null,
"e": 24606,
"s": 24274,
"text": "DateTimeField is a date and time field which stores date, represented in Python by a datetime.datetime instance. As the name suggests, this field is used to store ... |
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