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LDA: Linear Discriminant Analysis — How to Improve Your Models with Supervised Dimensionality Reduction | by Saul Dobilas | Towards Data Science | Linear Discriminant Analysis (LDA) is a commonly used dimensionality reduction technique. However, despite the similarities to Principal Component Analysis (PCA), it differs in one crucial aspect.
Instead of finding new axes (dimensions) that maximize the variation in the data, it focuses on maximizing the separability... | [
{
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"text": "Linear Discriminant Analysis (LDA) is a commonly used dimensionality reduction technique. However, despite the similarities to Principal Component Analysis (PCA), it differs in one crucial aspect."
},
{
"code": null,
"e": 553,
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... |
Python program to define class for complex number objects | Suppose we want to do complex number tasks by defining a complex number class with following operations −
add() to add two complex numbers
sub() to subtract two complex numbers
mul() to multiply two complex numbers
div() to divide two complex numbers
mod() to get modulus of complex numbers
The complex numbers will be s... | [
{
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"text": "Suppose we want to do complex number tasks by defining a complex number class with following operations −"
},
{
"code": null,
"e": 1201,
"s": 1168,
"text": "add() to add two complex numbers"
},
{
"code": null,
"e": 1239,
... |
Tryit Editor v3.7 | Tryit: Text shadow with border | [] |
Remove specific word in a comma separated string with MySQL | Let us first create a table −
mysql> create table DemoTable836(FirstName SET('John','Chris','Adam'));
Query OK, 0 rows affected (0.60 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable836 values('John,Chris');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable836 val... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1201,
"s": 1092,
"text": "mysql> create table DemoTable836(FirstName SET('John','Chris','Adam'));\nQuery OK, 0 rows affected (0.60 sec)"
},
{
"code": null,
"e": 1257,... |
Ways to Detect and Remove the Outliers | by Natasha Sharma | Towards Data Science | While working on a Data Science project, what is it, that you look for? What is the most important part of the EDA phase? There are certain things which, if are not done in the EDA phase, can affect further statistical/Machine Learning modelling. One of them is finding “Outliers”. In this post we will try to understand... | [
{
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"e": 704,
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"text": "While working on a Data Science project, what is it, that you look for? What is the most important part of the EDA phase? There are certain things which, if are not done in the EDA phase, can affect further statistical/Machine Learning modelling. One of t... |
Difference between Synchronous and Asynchronous Sequential Circuits - GeeksforGeeks | 08 Apr, 2022
Sequential Circuits are those which have the notion of an internal state. This notion of Internal State is necessary because in sequential circuits, the output of the circuit is function of both the present input as well as the past inputs. The Internal State of a sequential circuit is nothing but the refl... | [
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"text": "\n08 Apr, 2022"
},
{
"code": null,
"e": 25359,
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"text": "Sequential Circuits are those which have the notion of an internal state. This notion of Internal State is necessary because in sequential circuits, the output of ... |
stack push() and pop() in C++ STL | In this article we will be discussing the working, syntax, and examples of stack::push() and
stack::pop() function in C++ STL.
Stacks are the data structure which stores the data in LIFO (Last In First Out) where we do
insertion and deletion from the top of the last element inserted. Like a stack of plates, if we want ... | [
{
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"text": "In this article we will be discussing the working, syntax, and examples of stack::push() and\nstack::pop() function in C++ STL."
},
{
"code": null,
"e": 1525,
"s": 1189,
"text": "Stacks are the data structure which stores the data in... |
jQuery - Widget Dialog | The Widget Dialog function can be used with widgets in JqueryUI. Dialog boxes are one of the nice ways of presenting information on an HTML page. A dialog box is a floating window with a title and content area. This window can be moved, resized, and of course, closed using "X" icon by default.
Here is the simple syntax... | [
{
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"text": "The Widget Dialog function can be used with widgets in JqueryUI. Dialog boxes are one of the nice ways of presenting information on an HTML page. A dialog box is a floating window with a title and content area. This window can be moved, resized, and of ... |
Improve your SQL with these templates for formatting and documentation | by Ha Dinh | Towards Data Science | Have you ever come across a complicated SQL query for analysis?
Did you struggle to understand the code itself and the business logic underneath?
I did. And sometimes, it was with my queries in the past!
To save time for everyone who read my code (including myself), I have tried to apply two templates to my query and f... | [
{
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"e": 236,
"s": 172,
"text": "Have you ever come across a complicated SQL query for analysis?"
},
{
"code": null,
"e": 318,
"s": 236,
"text": "Did you struggle to understand the code itself and the business logic underneath?"
},
{
"code": null,
"e": 376... |
Invoking functions with call() and apply() in JavaScript | Following is the code for invoking functions with call() and apply() in JavaScript −
Live Demo
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Genev... | [
{
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"text": "Following is the code for invoking functions with call() and apply() in JavaScript −"
},
{
"code": null,
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"s": 1147,
"text": " Live Demo"
},
{
"code": null,
"e": 2340,
"s": 1158,
"text": "<!DOCTYPE html>... |
MS Project - Track Progress | Once your project plan is ready in MS Project, it becomes essential for a project manager to measure the actuals (in terms of work completed, resources used and costs incurred) and to revise and change information about tasks and resources due to any changes to the plans. A Project Manager should not assume that everyt... | [
{
"code": null,
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"s": 1881,
"text": "Once your project plan is ready in MS Project, it becomes essential for a project manager to measure the actuals (in terms of work completed, resources used and costs incurred) and to revise and change information about tasks and resources due to any ch... |
Convert the number from Indian system to International system - GeeksforGeeks | 04 Jun, 2020
Given an input string N consisting of numerals and separators (, ) in the Indian Numeric System, the task is to print the string after placing separators(, ) based on International Numeric System.
Examples:
Input: N = “12, 34, 56, 789”Output: 123, 456, 789
Input: N = “90, 05, 00, 00, 000”Output: 90, 050, 0... | [
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"text": "\n04 Jun, 2020"
},
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"code": null,
"e": 25627,
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"text": "Given an input string N consisting of numerals and separators (, ) in the Indian Numeric System, the task is to print the string after placing separators(, ) based... |
Create a Date Picker Calendar - Tkinter - GeeksforGeeks | 19 Oct, 2021
Prerequisite: Tkinter
Python offers multiple options for developing a GUI (Graphical User Interface). Out of all the GUI methods, Tkinter is the most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. Python with Tkinter is the fastest and easiest way to crea... | [
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"text": "\n19 Oct, 2021"
},
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"code": null,
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"text": "Prerequisite: Tkinter"
},
{
"code": null,
"e": 24335,
"s": 23949,
"text": "Python offers multiple options for developing a GUI (Graphical User ... |
Most useful Python functions for Time Series Analysis | by Sivakar Sivarajah | Towards Data Science | These type of data are sequentially ordered data over time and these observations are typically collected at regular intervals, this could be:
Every Second/Minute/Hour
Daily
Monthly
Quarterly/Yearly
Some Real-life Examples are:
Monthly Sales Data
Stock Market prices
Hourly Weather Data/Wind Speed
IoT(Internet of things... | [
{
"code": null,
"e": 315,
"s": 172,
"text": "These type of data are sequentially ordered data over time and these observations are typically collected at regular intervals, this could be:"
},
{
"code": null,
"e": 340,
"s": 315,
"text": "Every Second/Minute/Hour"
},
{
"cod... |
Calculate sine of a value in R Programming - sin() Function - GeeksforGeeks | 01 Jun, 2020
sin() function in R Language is used to calculate the sine value of the numeric value passed to it as argument.
Syntax: sin(x)
Parameter:x: Numeric value
Example 1:
# R code to calculate sine of a value # Assigning values to variablesx1 <- -90x2 <- -30 # Using sin() Functionsin(x1)sin(x2)
Output:
[1] -0.... | [
{
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"text": "\n01 Jun, 2020"
},
{
"code": null,
"e": 24531,
"s": 24419,
"text": "sin() function in R Language is used to calculate the sine value of the numeric value passed to it as argument."
},
{
"code": null,
"e": 24546,
"s"... |
How to train and predict regression and classification ML models using only SQL — using BigQuery ML | by Lak Lakshmanan | Towards Data Science | In my book (Data Science on the Google Cloud Platform), I walk through a flight-delay prediction problem and show how to address it using a variety of tools including Spark Mlib and TensorFlow. Now that BigQuery ML has been announced, I thought I’d show how to predict flight delays using BQ ML.
Make no mistake — you st... | [
{
"code": null,
"e": 468,
"s": 172,
"text": "In my book (Data Science on the Google Cloud Platform), I walk through a flight-delay prediction problem and show how to address it using a variety of tools including Spark Mlib and TensorFlow. Now that BigQuery ML has been announced, I thought I’d show h... |
Update _id field in MongoDB | To update, just save new ID and remove the old one using remove(). Let us first create a collection with documents −
> db.updatingDemo.insertOne({"StudentName":"Robert"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e04dae5150ee0e76c06a04b")
}
> db.updatingDemo.insertOne({"StudentName":"Bob"});
{
"ackno... | [
{
"code": null,
"e": 1179,
"s": 1062,
"text": "To update, just save new ID and remove the old one using remove(). Let us first create a collection with documents −"
},
{
"code": null,
"e": 1456,
"s": 1179,
"text": "> db.updatingDemo.insertOne({\"StudentName\":\"Robert\"});\n{\n ... |
CSS | flex-grow Property - GeeksforGeeks | 24 Aug, 2021
The flex-grow property specifies how much the item will grow compared to others item inside that container. In other words, it is the ability of an item to grow compared to other items present inside the same container.
Note: If the item in the container is not flexible item then the flex-grow property wil... | [
{
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"text": "\n24 Aug, 2021"
},
{
"code": null,
"e": 23908,
"s": 23688,
"text": "The flex-grow property specifies how much the item will grow compared to others item inside that container. In other words, it is the ability of an item to grow co... |
Kotlin - Sets | Kotlin set is an unordered collection of items. A Kotlin set can be either mutable (mutableSetOf) or read-only (setOf). Kotlin mutable or immutable sets do not allow to have duplicate elements.
For set creation, use the standard library functions setOf() for read-only sets and mutableSetOf() for mutable sets.
fun main(... | [
{
"code": null,
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"text": "Kotlin set is an unordered collection of items. A Kotlin set can be either mutable (mutableSetOf) or read-only (setOf). Kotlin mutable or immutable sets do not allow to have duplicate elements."
},
{
"code": null,
"e": 2736,
"s": 2619,
... |
Working With The Lambda Layer in Keras | by Ahmed Gad | Towards Data Science | In this tutorial we’ll cover how to use the Lambda layer in Keras to build, save, and load models which perform custom operations on your data.
Keras is a popular and easy-to-use library for building deep learning models. It supports all known type of layers: input, dense, convolutional, transposed convolution, reshape... | [
{
"code": null,
"e": 191,
"s": 47,
"text": "In this tutorial we’ll cover how to use the Lambda layer in Keras to build, save, and load models which perform custom operations on your data."
},
{
"code": null,
"e": 475,
"s": 191,
"text": "Keras is a popular and easy-to-use library ... |
Spring MVC - Page Redirection Example | The following example shows how to write a simple web based application, which makes use of redirect to transfer an http request to another page. To start with, let us have a working Eclipse IDE in place and consider the following steps to develop a Dynamic Form based Web Application using Spring Web Framework −
packag... | [
{
"code": null,
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"s": 2791,
"text": "The following example shows how to write a simple web based application, which makes use of redirect to transfer an http request to another page. To start with, let us have a working Eclipse IDE in place and consider the following steps to develop a Dyn... |
What is the difference between a method and a function? | Method and a function are the same, with different terms. A method is a procedure or function in object-oriented programming.
A function is a group of reusable code which can be called anywhere in your program. This eliminates the need for writing the same code again and again. It helps programmers in writing modular c... | [
{
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"text": "Method and a function are the same, with different terms. A method is a procedure or function in object-oriented programming."
},
{
"code": null,
"e": 1388,
"s": 1188,
"text": "A function is a group of reusable code which can be call... |
How to create a production-ready Recommender System | by Tirmidzi Faizal Aflahi | Towards Data Science | You might have seen e-commerce websites every day. Or read many articles from lots of blogs, news, and Medium publications.
From your perspective as a user or reader, what is the common pain point when looking at all of those things?
One simple answer:
There are a lot of things available to see, and you often lost when... | [
{
"code": null,
"e": 296,
"s": 172,
"text": "You might have seen e-commerce websites every day. Or read many articles from lots of blogs, news, and Medium publications."
},
{
"code": null,
"e": 406,
"s": 296,
"text": "From your perspective as a user or reader, what is the common ... |
Empty List in C# | Set a list that has zero elements −
List<string> myList = new List<string>();
Now check whether the list is empty or null −
Console.WriteLine(myList == null);
Above, returns “False” i.e. the list is not null - the list is empty.
Let us see the complete code −
Live Demo
using System;
using System.Collections.Generic;
u... | [
{
"code": null,
"e": 1098,
"s": 1062,
"text": "Set a list that has zero elements −"
},
{
"code": null,
"e": 1140,
"s": 1098,
"text": "List<string> myList = new List<string>();"
},
{
"code": null,
"e": 1186,
"s": 1140,
"text": "Now check whether the list is emp... |
PHP Generators. | Traversing a big collection of data using looping construct such as foreach would require large memory and considerable processing time. With generators it is possible to iterate over a set of data without these overheads. A generator function is similar to a normal function. However, instead of return statement in a f... | [
{
"code": null,
"e": 1489,
"s": 1062,
"text": "Traversing a big collection of data using looping construct such as foreach would require large memory and considerable processing time. With generators it is possible to iterate over a set of data without these overheads. A generator function is simila... |
Lua - if...else statement | An if statement can be followed by an optional else statement, which executes when the Boolean expression is false.
The syntax of an if...else statement in Lua programming language is −
if(boolean_expression)
then
--[ statement(s) will execute if the boolean expression is true --]
else
--[ statement(s) will execu... | [
{
"code": null,
"e": 2219,
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"text": "An if statement can be followed by an optional else statement, which executes when the Boolean expression is false."
},
{
"code": null,
"e": 2289,
"s": 2219,
"text": "The syntax of an if...else statement in Lua programming language i... |
MariaDB - Installation | All downloads for MariaDB are located in the Download section of the official MariaDB foundation website. Click the link to the version you would like, and a list of downloads for multiple operating systems, architectures, and installation file types is displayed.
If you have intimate knowledge of Linux/Unix systems, s... | [
{
"code": null,
"e": 2627,
"s": 2362,
"text": "All downloads for MariaDB are located in the Download section of the official MariaDB foundation website. Click the link to the version you would like, and a list of downloads for multiple operating systems, architectures, and installation file types is... |
How to enter values in an edit box in Selenium with python? | We can enter values in an edit box in Selenium with the help of the methods listed below −
Using the send_keys method.This method can send any text to an edit box or perform pressing keys with the help of Keys class.
Using the send_keys method.
This method can send any text to an edit box or perform pressing keys with ... | [
{
"code": null,
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"text": "We can enter values in an edit box in Selenium with the help of the methods listed below −"
},
{
"code": null,
"e": 1279,
"s": 1153,
"text": "Using the send_keys method.This method can send any text to an edit box or perform pressing... |
What does your Spotify music sound like? Data Science with Spotify (Part 1) | by Alvin Chung | Towards Data Science | Music has always been an integral part of everyone’s lives. We hear music, if not listen to music where ever we are, the melodic sounds when we are studying, the exhilarating thrills and beats when we’re at parties and the exciting and fun car pool karaokes we have with our friends when traveling. Music is everywhere a... | [
{
"code": null,
"e": 502,
"s": 172,
"text": "Music has always been an integral part of everyone’s lives. We hear music, if not listen to music where ever we are, the melodic sounds when we are studying, the exhilarating thrills and beats when we’re at parties and the exciting and fun car pool karaok... |
Functions That Generate a Multi-index in Pandas and How to Remove the Levels | by Susan Maina | Towards Data Science | Introduction
In this article, we will look at what a multiindex is, where and when to use it, functions that generate a multiindex, and how to collapse it into a single index.
But first, let’s get some basic definitions out of the way.
An index is a column in a DataFrame that ‘uniquely’ identifies each row. Think of it... | [
{
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"text": "Introduction"
},
{
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"text": "In this article, we will look at what a multiindex is, where and when to use it, functions that generate a multiindex, and how to collapse it into a single index."
},
{
... |
How to handle an exception using lambda expression in Java?
| A lambda expression body can't throw any exceptions that haven't specified in a functional interface. If the lambda expression can throw an exception then the "throws" clause of a functional interface must declare the same exception or one of its subtype.
interface Student {
void studentData(String name) throws Exce... | [
{
"code": null,
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"text": "A lambda expression body can't throw any exceptions that haven't specified in a functional interface. If the lambda expression can throw an exception then the \"throws\" clause of a functional interface must declare the same exception or one of its subt... |
Groovy - Meta Object Programming | Meta object programming or MOP can be used to invoke methods dynamically and also create classes and methods on the fly.
So what does this mean? Let’s consider a class called Student, which is kind of an empty class with no member variables or methods. Suppose if you had to invoke the following statements on this class... | [
{
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"text": "Meta object programming or MOP can be used to invoke methods dynamically and also create classes and methods on the fly."
},
{
"code": null,
"e": 2560,
"s": 2359,
"text": "So what does this mean? Let’s consider a class called Student... |
Building a Linear Regression by Hand | by moxú | Towards Data Science | W e employ linear regression to forecast the value of Y based on the value(s) of X. Because we need to know Y, it is a supervised learning approach. Linear regression is classified into two types: basic and multiple. Let’s start with the easy one. The notebook with all the codes is here. All the equations were made wit... | [
{
"code": null,
"e": 500,
"s": 171,
"text": "W e employ linear regression to forecast the value of Y based on the value(s) of X. Because we need to know Y, it is a supervised learning approach. Linear regression is classified into two types: basic and multiple. Let’s start with the easy one. The not... |
How to send one or more files to an API using axios in ReactJS? | 14 Jan, 2021
Assuming that you want to send multiple files from the front-end, i.e., the React app, to the server using Axios. For that, there are two approaches as shown below:
Send multiple requests while attaching a single file in each request.
Send a single request while attaching multiple files in that request its... | [
{
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"text": "\n14 Jan, 2021"
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"text": "Assuming that you want to send multiple files from the front-end, i.e., the React app, to the server using Axios. For that, there are two approaches as shown below:"
},
{
... |
Differences between Java 8 and Java 9? | Java 9 version has introduced new enhancements and added new features. It includes JShell, Http2Client, Java Platform Module System (JPMS), Multi-release jar files, Stack Walking API, Private methods in an interface, Process API updates, Collection API updates, Stream API improvements, and etc.
Below are the few differ... | [
{
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"text": "Java 9 version has introduced new enhancements and added new features. It includes JShell, Http2Client, Java Platform Module System (JPMS), Multi-release jar files, Stack Walking API, Private methods in an interface, Process API updates, Collection API ... |
How to Build a WiFi Scanner in Python using Scapy? | 24 Feb, 2021
In this article, we are going to build a WiFi Scanner in Python using Scapy. WiFi Scanning or Network scanning refers to the scanning of the whole network to which we are connected and try to find out what are all the clients connected to our network. We can identify each client using their IP and MAC addr... | [
{
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"text": "\n24 Feb, 2021"
},
{
"code": null,
"e": 432,
"s": 54,
"text": "In this article, we are going to build a WiFi Scanner in Python using Scapy. WiFi Scanning or Network scanning refers to the scanning of the whole network to which we are con... |
How to Create an End to End Object Detector using Yolov5? | by Rahul Agarwal | Towards Data Science | Ultralytics recently launched YOLOv5 amid controversy surrounding its name. For context, the first three versions of YOLO (You Only Look Once) were created by Joseph Redmon. Following this, Alexey Bochkovskiy created YOLOv4 on darknet, which boasted higher Average Precision (AP) and faster results than previous iterati... | [
{
"code": null,
"e": 496,
"s": 171,
"text": "Ultralytics recently launched YOLOv5 amid controversy surrounding its name. For context, the first three versions of YOLO (You Only Look Once) were created by Joseph Redmon. Following this, Alexey Bochkovskiy created YOLOv4 on darknet, which boasted highe... |
Delete records where timestamp older than 5 minutes in MySQL? | For this, use DELETE command. Let us first create a table −
mysql> create table DemoTable1851
(
DueDate datetime
);
Query OK, 0 rows affected (0.00 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1851 values('2019-12-03 21:30:35');
Query OK, 1 row affected (0.00 s... | [
{
"code": null,
"e": 1122,
"s": 1062,
"text": "For this, use DELETE command. Let us first create a table −"
},
{
"code": null,
"e": 1230,
"s": 1122,
"text": "mysql> create table DemoTable1851\n (\n DueDate datetime\n );\nQuery OK, 0 rows affected (0.00 sec)"
},
{
... |
Adding and Removing Elements in Perl Array | Perl provides a number of useful functions to add and remove elements in an array. You may have a question what is a function? So far you have used the print function to print various values. Similarly, there are various other functions or sometimes called subroutines, which can be used for various other functionalitie... | [
{
"code": null,
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"text": "Perl provides a number of useful functions to add and remove elements in an array. You may have a question what is a function? So far you have used the print function to print various values. Similarly, there are various other functions or sometimes cal... |
How to Install Tkinter in Windows? - GeeksforGeeks | 09 Sep, 2021
In this article, we will look into the various methods of installing Tkinter on a Windows machine.
Note: Python already comes bundled with Tkinter. But if you still face any error with Tkinter, follow along with the article for manual installation.
Python
PIP or conda (Depending upon your preference)
Open... | [
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"text": "\n09 Sep, 2021"
},
{
"code": null,
"e": 24203,
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"text": "In this article, we will look into the various methods of installing Tkinter on a Windows machine."
},
{
"code": null,
"e": 24353,
"s": 24203,
... |
Range Sum Queries Without Updates using C++ | In this article, we will give an array of size n, which will be an integer. Then, we will compute the sum of elements from index L to index R and execute the queries multiple times, or we need to calculate the sum of the given range from [L, R]. For example −
Input : arr[] = {1, 2, 3, 4, 5}
L = 1, R = 3
L = 2, R ... | [
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"e": 1322,
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"text": "In this article, we will give an array of size n, which will be an integer. Then, we will compute the sum of elements from index L to index R and execute the queries multiple times, or we need to calculate the sum of the given range from [L, R]. For exa... |
How to display a list of plots with the help of grid.arrange in R? | In data analysis, we deal with many variables at a time and we want to visualize the histogram of these variables at a time. This helps us to understand the distribution of each variable in the data set, therefore we can apply the appropriate technique to deal with those variables. To create a list of plots we can use ... | [
{
"code": null,
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"text": "In data analysis, we deal with many variables at a time and we want to visualize the histogram of these variables at a time. This helps us to understand the distribution of each variable in the data set, therefore we can apply the appropriate technique ... |
ASP.NET MVC - Selectors | Action selectors are attributes that can be applied to action methods and are used to influence which action method gets invoked in response to a request. It helps the routing engine to select the correct action method to handle a particular request.
It plays a very crucial role when you are writing your action methods... | [
{
"code": null,
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"text": "Action selectors are attributes that can be applied to action methods and are used to influence which action method gets invoked in response to a request. It helps the routing engine to select the correct action method to handle a particular request."
... |
3 steps to update parameters of Faster R-CNN/SSD models in TensorFlow Object Detection API | by Vatsal Sodha | Towards Data Science | I wrote an article on configuring TensorFlow Object Detection API. Kindly, refer to that story here to configure the API. That story is a prerequisite for this article.
In this story, I will discuss how to change the configuration of pre-trained model. The aim of this article is that you can configure TensorFlow/models... | [
{
"code": null,
"e": 341,
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"text": "I wrote an article on configuring TensorFlow Object Detection API. Kindly, refer to that story here to configure the API. That story is a prerequisite for this article."
},
{
"code": null,
"e": 558,
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"text": "In this story, I ... |
Write a function that generates one of 3 numbers according to given probabilities in C++ | In this problem, we have to create a function that will generate three numbers based on the given probability.
For this, we will use the built-in random number generator function which is rand(a, b) which generates random numbers within the range [a, b] with equal probability.
Our task is to return only three numbers A... | [
{
"code": null,
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"text": "In this problem, we have to create a function that will generate three numbers based on the given probability."
},
{
"code": null,
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"text": "For this, we will use the built-in random number generator function whi... |
Correcting your spelling error via 2 distance | by Edward Ma | Towards Data Science | When dealing with text, we may need to deal with incorrect text. Although we can still use character embeddings and word embeddings to compute a similar vectors. It is good for unseen data and out-of-vocabulary (OOV). However, it will be better if we can correct typo.
Typo can be generated in several scenarios. If you ... | [
{
"code": null,
"e": 441,
"s": 172,
"text": "When dealing with text, we may need to deal with incorrect text. Although we can still use character embeddings and word embeddings to compute a similar vectors. It is good for unseen data and out-of-vocabulary (OOV). However, it will be better if we can ... |
CBSE Class 11 | Problem Solving Methodologies - GeeksforGeeks | 23 Feb, 2022
The process of problem-solving is an activity which has its ingredients as the specification of the program and the served dish is a correct program. This activity comprises of four steps :1. Understanding the problem: To solve any problem it is very crucial to understand the problem first. What is the des... | [
{
"code": null,
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"text": "\n23 Feb, 2022"
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{
"code": null,
"e": 25314,
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"text": "The process of problem-solving is an activity which has its ingredients as the specification of the program and the served dish is a correct program. This activity... |
Program to print numbers from N to 1 in reverse order - GeeksforGeeks | 26 Mar, 2021
Given a number N, the task is to print the numbers from N to 1.Examples:
Input: N = 10 Output: 10 9 8 7 6 5 4 3 2 1Input: N = 7 Output: 7 6 5 4 3 2 1
Approach 1: Run a loop from N to 1 and print the value of N for each iteration. Decrement the value of N by 1 after each iteration.Below is the implement... | [
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"code": null,
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"text": "Given a number N, the task is to print the numbers from N to 1.Examples: "
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{
"code": null,
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"text": "Input: N = 10 Ou... |
C/C++ Program for Finding the vertex, focus and directrix of a parabola - GeeksforGeeks | 05 Dec, 2018
A set of points on a plain surface that forms a curve such that any point on that curve is equidistant from the focus is a parabola.Vertex of a parabola is the coordinate from which it takes the sharpest turn whereas a is the straight line used to generate the curve.
The standard form of a parabola equatio... | [
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"code": null,
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"text": "A set of points on a plain surface that forms a curve such that any point on that curve is equidistant from the focus is a parabola.Vertex of a parabola is the coo... |
Absolute difference of Number arrays in JavaScript | Suppose, we have two arrays like these −
const arr1 = [1,2,3,4,5,6];
const arr2 = [9,8,7,5,8,3];
We are required to write a JavaScript function that takes in such two arrays and returns an array of absolute difference between the corresponding elements of the array.
So, for these arrays, the output should look like −
c... | [
{
"code": null,
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"text": "Suppose, we have two arrays like these −"
},
{
"code": null,
"e": 1159,
"s": 1103,
"text": "const arr1 = [1,2,3,4,5,6];\nconst arr2 = [9,8,7,5,8,3];"
},
{
"code": null,
"e": 1329,
"s": 1159,
"text": "We are requir... |
Flutter - BorderSide Widget - GeeksforGeeks | 21 Feb, 2022
BorderSide widget in flutter is a built-in widget whose function is to control the look and feel of individual sides of the border around a widget. Border widget in flutter also takes BorderSide as the object, which is the representative of individual sides.
const BorderSide(
{Color color: const Color(0xFF... | [
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"code": null,
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"text": "BorderSide widget in flutter is a built-in widget whose function is to control the look and feel of individual sides of the border around a widget. Border widget i... |
XPath - Comparison Operators | XPath defines following comparison operators to be used with the XPath expressions.
=
is equals to
!=
is not equals to
<
is less than
>
is greater than
<=
is less than or equals to
>=
is greater than or equals to
This example creates a table of <student> element with its attribute roll no and its child <firstname>,<las... | [
{
"code": null,
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"text": "XPath defines following comparison operators to be used with the XPath expressions."
},
{
"code": null,
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"text": "="
},
{
"code": null,
"e": 1828,
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"text": "is equals to"
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{
... |
GATE | GATE-CS-2014-(Set-1) | Question 34 - GeeksforGeeks | 28 Jun, 2021
Which of the following are used to generate a message digest by the network security protocols?
(P) RSA
(Q) SHA-1
(R) DES
(S) MD5
(A) P and R only(B) Q and R only(C) Q and S only(D) R and S onlyAnswer: (C)Explanation:
RSA – It is an algorithm used to encrypt and decrypt messages.
SHA 1 – Secure Hash Alg... | [
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"text": "\n28 Jun, 2021"
},
{
"code": null,
"e": 24171,
"s": 24075,
"text": "Which of the following are used to generate a message digest by the network security protocols?"
},
{
"code": null,
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"s": 24171,
"te... |
BFS vs DFS for Binary Tree in C++? | BFS (Breadth First Search) − It is a tree traversal algorithm that is also known as Level Order Tree Traversal. In this traversal we will traverse the tree row by row i.e. 1st row, then 2nd row, and so on.
DFS (Depth First Search ) − It is a tree traversal algorithm that traverses the structure to its deepest node. The... | [
{
"code": null,
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"text": "BFS (Breadth First Search) − It is a tree traversal algorithm that is also known as Level Order Tree Traversal. In this traversal we will traverse the tree row by row i.e. 1st row, then 2nd row, and so on."
},
{
"code": null,
"e": 1539,
... |
Updating a record in MySQL using NodeJS | In this article, we will see how we can update a record in MySQL using NodeJS. We will dynamically update MySQL table values from Node.js server. You can use the select statement after updating to check if the MySql record is updated.
Before proceeding, please check the following steps are already executed −
mkdir mysq... | [
{
"code": null,
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"text": "In this article, we will see how we can update a record in MySQL using NodeJS. We will dynamically update MySQL table values from Node.js server. You can use the select statement after updating to check if the MySql record is updated."
},
{
"cod... |
Amazon RDS - Oracle DBA Tasks | As an industry leading database technology, oracle has many in-built features which makes it easy to manage the DBA activities, even in the cloud. The Amazon RDS oracle DB provides access to many stored procedures and functions which can be accessed using the SQL developer client tool. This procedure can be executed us... | [
{
"code": null,
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"text": "As an industry leading database technology, oracle has many in-built features which makes it easy to manage the DBA activities, even in the cloud. The Amazon RDS oracle DB provides access to many stored procedures and functions which can be accessed usi... |
How to find the Number of CPU Cores in C#? | There are several different pieces of information relating to processors that we can get
Number of physical processors
Number of cores
Number of logical processors
These can all be different; in the case of a machine with 2 dual-core hyper-threadingenabled
processors, there are 2 physical processors, 4 cores, and 8 log... | [
{
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"text": "There are several different pieces of information relating to processors that we can get"
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{
"code": null,
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"text": "Number of physical processors"
},
{
"code": null,
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"... |
How Machine Learning Recommends Movies for You | by Tommy | Towards Data Science | In this article, let’s discuss a project that articulates on how Machine Learning algorithm recommend what is the next movie that you might want to watch by using the Recommender System. This approach not only can be implemented for movie contents, but also for other digital objects chosen distinctively for each user, ... | [
{
"code": null,
"e": 713,
"s": 172,
"text": "In this article, let’s discuss a project that articulates on how Machine Learning algorithm recommend what is the next movie that you might want to watch by using the Recommender System. This approach not only can be implemented for movie contents, but al... |
Explain about initial, incremental and terminal cash flows in finance management. | Initial cash flows
Initial cash flow is the cash required to start a project or business. This cash is estimated mainly at planning stages of a business or a project. Fixed capital, working capital, salvage value, tax rate, and book value are considered, while calculating the initial cash flows.
Sometimes, the decision... | [
{
"code": null,
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"text": "Initial cash flows"
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{
"code": null,
"e": 1600,
"s": 1081,
"text": "Initial cash flow is the cash required to start a project or business. This cash is estimated mainly at planning stages of a business or a project. Fixed capital, ... |
DAX Text - TRIM function | Removes all the spaces from the text except for single spaces between words.
TRIM (<text>)
text
The text from which you want spaces removed, or a column that contains text.
A text string.
You can use DAX TRIM function on the text that you have received from another application that may have irregular spacing.
When yo... | [
{
"code": null,
"e": 2078,
"s": 2001,
"text": "Removes all the spaces from the text except for single spaces between words."
},
{
"code": null,
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"text": "TRIM (<text>) \n"
},
{
"code": null,
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"text": "text"
},
{
... |
htmlentities() vs htmlspecialchars() Function in PHP - GeeksforGeeks | 03 Mar, 2022
In this article, we will see what htmlentities() & htmlspecialchars() Function is used for & also understand their implementation through the examples.
htmlentities() Function: The htmlentities() function is an inbuilt function in PHP that is used to transform all characters which are applicable to HTML en... | [
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"text": "\n03 Mar, 2022"
},
{
"code": null,
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"text": "In this article, we will see what htmlentities() & htmlspecialchars() Function is used for & also understand their implementation through the examples."
},
{
... |
C - strncmp function | 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 - Structured Datatypes
C ... | [
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C library function - perror() | The C library function void perror(const char *str) prints a descriptive error message to stderr. First the string str is printed, followed by a colon then a space.
Following is the declaration for perror() function.
void perror(const char *str)
str − This is the C string containing a custom message to be printed befor... | [
{
"code": null,
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"text": "The C library function void perror(const char *str) prints a descriptive error message to stderr. First the string str is printed, followed by a colon then a space."
},
{
"code": null,
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"text": "Following is the ... |
Convert BGR and RGB with Python - OpenCV - GeeksforGeeks | 24 Feb, 2021
Prerequisites: OpenCV
OpenCV is a huge open-source library for computer vision, machine learning, and image processing. OpenCV supports a wide variety of programming languages like Python, C++, Java, etc. It can process images and videos to identify objects, faces, or even the handwriting of a human. In th... | [
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"text": "Prerequisites: OpenCV"
},
{
"code": null,
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"text": "OpenCV is a huge open-source library for computer vision, machine le... |
Introduction to Kivy; A Cross-platform Python Framework | In this article, we will learn about Kivy framework and its installation. Kivy is a GUI based application interface, open-source that helps in cross-platform applications for Windows, Linux and Mac.
Firstly we need to install python on pc.
After that we need to install the dependencies −
Windows −
>>> python -m pip ins... | [
{
"code": null,
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"text": "In this article, we will learn about Kivy framework and its installation. Kivy is a GUI based application interface, open-source that helps in cross-platform applications for Windows, Linux and Mac."
},
{
"code": null,
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Tryit Editor v3.7 | Tryit: Let an image float to the right in a paragraph | [] |
C++ Program to Represent Graph Using Linked List | The incidence matrix of a graph is another representation of a graph to store into the memory. This matrix is not a square matrix. The order of the incidence matrix is V x E. Where V is the number of vertices and E is the number of edges in the graph.
In each row of this matrix we are placing the vertices, and in each ... | [
{
"code": null,
"e": 1314,
"s": 1062,
"text": "The incidence matrix of a graph is another representation of a graph to store into the memory. This matrix is not a square matrix. The order of the incidence matrix is V x E. Where V is the number of vertices and E is the number of edges in the graph."
... |
Group month and year in MySQL? | You can group month and year with the help of function DATE_FORMAT() in MySQL. The GROUP BY clause is also used.
The syntax is as follows −
SELECT DATE_FORMAT(yourColumnName, '%m-%Y') from yourTableName
GROUP BY MONTH(yourColumnName), YEAR(yourColumnName)DESC;
To understand the above concept, let us create a table. The... | [
{
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"text": "You can group month and year with the help of function DATE_FORMAT() in MySQL. The GROUP BY clause is also used."
},
{
"code": null,
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"s": 1175,
"text": "The syntax is as follows −"
},
{
"code": null,
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Reverse words in a given String in Python - GeeksforGeeks | 23 Nov, 2020
We are given a string and we need to reverse words of a given string?
Examples:
Input : str = geeks quiz practice code
Output : str = code practice quiz geeks
This problem has existing solution please refer Reverse words in a given String link. We will solve this problem in python. Given below are the ste... | [
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"text": "\n23 Nov, 2020"
},
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"code": null,
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"text": "We are given a string and we need to reverse words of a given string?"
},
{
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"text": "Examples:"
},
{
... |
Count of subsequences having maximum distinct elements - GeeksforGeeks | 20 May, 2021
Given an arr of size n. The problem is to count all the subsequences having maximum number of distinct elements.Examples:
Input : arr[] = {4, 7, 6, 7}
Output : 2
The indexes for the subsequences are:
{0, 1, 2} - Subsequence is {4, 7, 6} and
{0, 2, 3} - Subsequence is {4, 6, 7}
Input : arr[] = {9, 6, 4, ... | [
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"text": "Given an arr of size n. The problem is to count all the subsequences having maximum number of distinct elements.Examples: "
},
{
"code": null,
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Building and Evaluating Your Bayesian Statistical Model | by Juan Nathaniel | Towards Data Science | Even for a nondata-scientist, the term Bayesian statistics has been popular. You might have learned during your university days as one of the compulsory classes to take, not realizing how important Bayesian statistics is. In fact, Bayesian statistics is not just a particular method or even a class of methods; it is an ... | [
{
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"text": "Even for a nondata-scientist, the term Bayesian statistics has been popular. You might have learned during your university days as one of the compulsory classes to take, not realizing how important Bayesian statistics is. In fact, Bayesian statistics is n... |
SQL vs NoSQL in 8 Examples. Practical guide to compare basic... | by Soner Yıldırım | Towards Data Science | Relational databases store data in tabular form with labelled rows and columns. Although relational databases usually provide a decent solution for storing data, speed and scalability might be an issue in some cases.
SQL (Structured Query Language) is used by most relational database managements systems to manage datab... | [
{
"code": null,
"e": 389,
"s": 172,
"text": "Relational databases store data in tabular form with labelled rows and columns. Although relational databases usually provide a decent solution for storing data, speed and scalability might be an issue in some cases."
},
{
"code": null,
"e": 6... |
Using Object Detection for Complex Image Classification Scenarios Part 2: | by Aaron (Ari) Bornstein | Towards Data Science | TLDR; This series is based on the work detecting complex policies in the following real life code story. Code for the series can be found here.
In the last post of the series, we outlined the challenge of a complex image classification task in this post we will introduce and evaluate the Azure Custom Vision Service as ... | [
{
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"e": 316,
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"text": "TLDR; This series is based on the work detecting complex policies in the following real life code story. Code for the series can be found here."
},
{
"code": null,
"e": 531,
"s": 316,
"text": "In the last post of the series, we outline... |
How to pass both form data and credentials on submit in ajax ? | 09 Dec, 2020
The purpose of this article is to send the form data and credentials to PHP backend using AJAX in an HTML document.
Approach: Create a form in an HTML document with a submit button and assign an id to that button. In the JavaScript file add an event listener to the form’s submit button i.e click. Then the ... | [
{
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"text": "\n09 Dec, 2020"
},
{
"code": null,
"e": 144,
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"text": "The purpose of this article is to send the form data and credentials to PHP backend using AJAX in an HTML document."
},
{
"code": null,
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... |
How to Perform Hierarchical Cluster Analysis using R Programming? | 21 Jun, 2022
Cluster analysis or clustering is a technique to find subgroups of data points within a data set. The data points belonging to the same subgroup have similar features or properties. Clustering is an unsupervised machine learning approach and has a wide variety of applications such as market research, patte... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Jun, 2022"
},
{
"code": null,
"e": 599,
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"text": "Cluster analysis or clustering is a technique to find subgroups of data points within a data set. The data points belonging to the same subgroup have similar features or prope... |
How to remove the frame from a Matplotlib figure in Python? | 11 Dec, 2020
A frame in the Matplotlib figure is an object inside which given data is represented using independent Axes. These axes represent left, bottom, right and top which can be visualized by Spines(lines) and ticks.
To remove the frame (box around the figure) in Matplotlib we follow the steps. Here firstly we wi... | [
{
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"text": "\n11 Dec, 2020"
},
{
"code": null,
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"text": "A frame in the Matplotlib figure is an object inside which given data is represented using independent Axes. These axes represent left, bottom, right and top which can be visu... |
Using return value of cin to take unknown number of inputs in C++ | 23 Jun, 2022
Consider a problem where we need to take an unknown number of integer inputs.
A typical solution is to run a loop and stop when a user enters a particular value. How to do it if we are not allowed to use if-else, switch-case, and conditional statements?
The idea is to use the fact that ‘cin >> input’ is f... | [
{
"code": null,
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"text": "\n23 Jun, 2022"
},
{
"code": null,
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"s": 52,
"text": "Consider a problem where we need to take an unknown number of integer inputs. "
},
{
"code": null,
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"text": "A typical solution is to r... |
NLP | Custom corpus | 20 Feb, 2019
What is a corpus?A corpus can be defined as a collection of text documents. It can be thought as just a bunch of text files in a directory, often alongside many other directories of text files.
How it is done ?NLTK already defines a list of data paths or directories in nltk.data.path. Our custom corpora mu... | [
{
"code": null,
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},
{
"code": null,
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"text": "What is a corpus?A corpus can be defined as a collection of text documents. It can be thought as just a bunch of text files in a directory, often alongside many other director... |
Tensorflow.js tf.GraphModel class .predict() Method | 01 Aug, 2021
Tensorflow.js is an open-source library that is developed by Google for running machine learning models as well as deep learning neural networks in the browser or node environment.
The .predict() function is used to implement the implication in favor of input tensors.
Syntax:
predict(inputs, config?)
Param... | [
{
"code": null,
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"text": "\n01 Aug, 2021"
},
{
"code": null,
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"text": "Tensorflow.js is an open-source library that is developed by Google for running machine learning models as well as deep learning neural networks in the browser or node environ... |
GATE | GATE CS 2013 | Question 65 | 10 Sep, 2021
Consider the following two sets of LR(1) items of an LR(1) grammar.
X -> c.X, c/d
X -> .cX, c/d
X -> .d, c/d
X -> c.X, $
X -> .cX, $
X -> .d, $
Which of the following statements related to merging of the two sets in the corresponding LALR parser is/are FALSE?
Cannot be merged since look ahea... | [
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"text": "Consider the following two sets of LR(1) items of an LR(1) grammar."
},
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"code": null,
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"text": "X -> c.X, c/d\n X -> .cX, c/d\n X ->... |
Matplotlib.colors.to_rgb() in Python | 07 Oct, 2021
Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays and designed to work with the broader SciPy stack.
The matplotlib.colors.to_rgb() function is used convert c (ie, color) to an RGB color. It conv... | [
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"text": "Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays and designed t... |
Stream forEach() method in Java with examples | 06 Dec, 2018
Stream forEach(Consumer action) performs an action for each element of the stream. Stream forEach(Consumer action) is a terminal operation i.e, it may traverse the stream to produce a result or a side-effect.
Syntax :
void forEach(Consumer<? super T> action)
Where, Consumer is a functional interface
and T... | [
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"text": "Stream forEach(Consumer action) performs an action for each element of the stream. Stream forEach(Consumer action) is a terminal operation i.e, it may traverse the stream to p... |
Stream In Java | Stream represents a sequence of objects from a source, which supports aggregate operations. Following are the characteristics of a Stream −
Sequence of elements − A stream provides a set of elements of specific type in a sequential manner. A stream gets/computes element on demand. It never stores the elements.
Sequence... | [
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"text": "Sequence of elements − A stream provides a... |
Deploying a Machine Learning Model Using Flask and Heroku | by Osasona Ifeoluwa | Towards Data Science | Cardiovascular diseases (which often leads to heart failures) are the number 1 cause of death globally, taking an estimated 17.9 million lives each year, which accounts for 31% of global deaths.
Most cardiovascular diseases can be prevented by addressing behavioral risk factors such as tobacco use, unhealthy diet and o... | [
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"text": "Cardiovascular diseases (which often leads to heart failures) are the number 1 cause of death globally, taking an estimated 17.9 million lives each year, which accounts for 31% of global deaths."
},
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... |
C# | MaskedTextBox Class - GeeksforGeeks | 05 Sep, 2019
In C#, MaskedTextBox control gives a validation procedure for the user input on the form like date, phone numbers, etc. Or in other words, it is used to provide a mask which differentiates between proper and improper user input. The MaskedTextBox class is used to represent the windows masked text box and a... | [
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"text": "In C#, MaskedTextBox control gives a validation procedure for the user input on the form like date, phone numbers, etc. Or in other words, it is used to provide a ... |
ByteBuffer compact() method in Java with Examples - GeeksforGeeks | 06 Jun, 2021
The compact() method of java.nio.ByteBuffer class is used to compact the given buffer.The bytes between the buffer’s current position and its limit, if any, are copied to the beginning of the buffer. That is, the byte at index p = position() is copied to index zero, the byte at index p + 1 is copied to ind... | [
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"text": "The compact() method of java.nio.ByteBuffer class is used to compact the given buffer.The bytes between the buffer’s current position and its limit, if any, are co... |
Import a module in Python | A module is basically a file which has many lines of python code that can be referred or used by other python programs. A big python program should be organized to keep different parts of the program in different modules. That helps in all aspects like debugging, enhancements and packaging the program efficiently. To u... | [
{
"code": null,
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"text": "A module is basically a file which has many lines of python code that can be referred or used by other python programs. A big python program should be organized to keep different parts of the program in different modules. That helps in all aspects like ... |
How to pass data from one component to other component in ReactJS ? - GeeksforGeeks | 25 May, 2021
In this article, We are going to see how to pass data from one component to another component. We have multiple ways of passing data among components. We can pass data from parent to child, from child to parent, and between siblings. So now let’s see how can we do so.
Creating React Application:
Step 1: Cr... | [
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{
"code": null,
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"text": "In this article, We are going to see how to pass data from one component to another component. We have multiple ways of passing data among components. We can pass ... |
How to Install Julia on MacOS? - GeeksforGeeks | 02 Jul, 2020
Julia is one of the new programming languages that is becoming popular with time. It is used mainly for scientific data calculations and mathematical analysis. It is becoming popular because it has very fast execution like C and simple syntax like python. It is an open-source language with high performance... | [
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"text": "\n02 Jul, 2020"
},
{
"code": null,
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"s": 24978,
"text": "Julia is one of the new programming languages that is becoming popular with time. It is used mainly for scientific data calculations and mathematical analysis. It ... |
Python - Filter Rows with Range Elements - GeeksforGeeks | 11 Oct, 2020
Given a Matrix, filter all the rows which contain all elements in the given number range.
Input : test_list = [[3, 2, 4, 5, 10], [3, 2, 5, 19], [2, 5, 10], [2, 3, 4, 5, 6, 7]], i, j = 2, 5 Output : [[3, 2, 4, 5, 10], [2, 3, 4, 5, 6, 7]] Explanation : 2, 3, 4, 5 all are present in above rows.
Input : test_l... | [
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"text": "Given a Matrix, filter all the rows which contain all elements in the given number range."
},
{
"code": null,
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"text": "... |
LINQ - Quick Guide | Developers across the world have always encountered problems in querying data because of the lack of a defined path and need to master a multiple of technologies like SQL, Web Services, XQuery, etc.
Introduced in Visual Studio 2008 and designed by Anders Hejlsberg, LINQ (Language Integrated Query) allows writing querie... | [
{
"code": null,
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"text": "Developers across the world have always encountered problems in querying data because of the lack of a defined path and need to master a multiple of technologies like SQL, Web Services, XQuery, etc."
},
{
"code": null,
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Check if two expressions with brackets are same - GeeksforGeeks | 30 Aug, 2021
Given two expressions in the form of strings. The task is to compare them and check if they are similar. Expressions consist of lowercase alphabets, ‘+’, ‘-‘ and ‘( )’.Examples:
Input : exp1 = "-(a+b+c)"
exp2 = "-a-b-c"
Output : Yes
Input : exp1 = "-(c+b+a)"
exp2 = "-c-b-a"
Output : ... | [
{
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{
"code": null,
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"s": 24633,
"text": "Given two expressions in the form of strings. The task is to compare them and check if they are similar. Expressions consist of lowercase alphabets, ‘+’, ‘-‘ and ‘... |
Inheritance and Polymorphism | Inheritance and polymorphism – this is a very important concept in Python. You must understand it better if you want to learn.
One of the major advantages of Object Oriented Programming is re-use. Inheritance is one of the mechanisms to achieve the same. Inheritance allows programmer to create a general or a base class... | [
{
"code": null,
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"text": "Inheritance and polymorphism – this is a very important concept in Python. You must understand it better if you want to learn."
},
{
"code": null,
"e": 2232,
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"text": "One of the major advantages of Object Oriented Programm... |
Explain Regular Expression "\w" Metacharacter in Java | The subexpression/metacharacter “\w” matches the word characters i.e. a to z and A to Z and 0 to 9.
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegexExample {
public static void main( String args[] ) {
String regex = "\\w to";
String input = "Hello how are you welcome to ... | [
{
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},
{
"code": null,
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"text": "import java.util.regex.Matcher;\nimport java.util.regex.Pattern;\npublic class Re... |
MapListHandler Class | The org.apache.commons.dbutils.MapListHandler is the implementation of ResultSetHandler interface and is responsible to convert the ResultSet rows into list of Maps. This class is thread safe.
Following is the declaration for org.apache.commons.dbutils.MapListHandler class −
public class MapListHandler
extends Abstr... | [
{
"code": null,
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"text": "The org.apache.commons.dbutils.MapListHandler is the implementation of ResultSetHandler interface and is responsible to convert the ResultSet rows into list of Maps. This class is thread safe."
},
{
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How to define a class in Arduino? | You can define a class in Arduino just like in C, with public and private variables and methods.The example below demonstrates the definition of a Student class, which has the constructor,two methods (add_science_marks and get_roll_no) and 3 private variables, _division, _roll_no and _science_marks.
class Student
{
... | [
{
"code": null,
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"text": "You can define a class in Arduino just like in C, with public and private variables and methods.The example below demonstrates the definition of a Student class, which has the constructor,two methods (add_science_marks and get_roll_no) and 3 private var... |
How to handle BigData Files on Low Memory? | by Puneet Grover | Towards Data Science | This is one of the post from my posts from Tackle category, which can be found on my github repo here.
(Edit-31/01/2019) — Added info on dask.distributed.LocalCluster for BigData
(Edit-12/4/2019) — Added new sections on dataset size reduction and File Type Usage [Not Complete yet, still you can take ideas from there to... | [
{
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},
{
"code": null,
"e": 350,
"s": 274,
"text": "(Edit-31/01/2019) — Added info on dask.distributed.LocalCluster for BigData"
},
... |
Word Ladder (Length of shortest chain to reach a target word) in C++ | In this problem, we are given a dictionary and two words ‘start’ and ‘target’. Our task is to generate a chain (ladder) from start work to target word, the chain is created such that each word differs the other character by only one word and the word should also exist in the dictionary. The target word exists in the di... | [
{
"code": null,
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"text": "In this problem, we are given a dictionary and two words ‘start’ and ‘target’. Our task is to generate a chain (ladder) from start work to target word, the chain is created such that each word differs the other character by only one word and the word sh... |
Convert String to Byte Array in Java Using getBytes(Charset) Method - GeeksforGeeks | 28 Jan, 2021
In Java, strings are objects that are backed internally by a char array. So to convert a string to a byte array, we need a getBytes(Charset) method. This method converts the given string to a sequence of bytes using the given charset and returns an array of bytes. It is a predefined function of string clas... | [
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"text": "In Java, strings are objects that are backed internally by a char array. So to convert a string to a byte array, we need a getBytes(Charset) method. This method co... |
A Guide to Args, Kwargs, Packing and Unpacking in Python | by Edward Krueger | Towards Data Science | By: Edward Krueger and Douglas Franklin.
We’ve all heard of arguments and keyword arguments (args and kwargs) when discussing Python functions. Arguments usually consist of numerical values, while keyword arguments, as the name suggests, are semantic. When writing functions, *args and **kwargs are often passed directly... | [
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"code": null,
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"text": "We’ve all heard of arguments and keyword arguments (args and kwargs) when discussing Python functions. Arguments usually consist of numerical val... |
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