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|---|---|---|
Everything you need to know about Min-Max normalization: A Python tutorial | by Serafeim Loukas | Towards Data Science | This is my second post about the normalization techniques that are often used prior to machine learning (ML) model fitting. In my first post, I covered the Standardization technique using scikit-learn’s StandardScaler function. If you are not familiar with the standardization technique, you can learn the essentials in ... | [
{
"code": null,
"e": 521,
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"text": "This is my second post about the normalization techniques that are often used prior to machine learning (ML) model fitting. In my first post, I covered the Standardization technique using scikit-learn’s StandardScaler function. If you are not familiar wit... |
To understand LSTM architecture, code a forward pass with just NumPy | by Greg Condit | Towards Data Science | If you’re like me, you learn best by starting simple and building from the ground up. No matter how often I read colah’s famous LSTM post, or Karpathy’s post on RNNs (great resources!), the LSTM network architecture seemed overly complicated and the gates were hazy.
Eventually, I wrote an LSTM forward pass with just Nu... | [
{
"code": null,
"e": 439,
"s": 172,
"text": "If you’re like me, you learn best by starting simple and building from the ground up. No matter how often I read colah’s famous LSTM post, or Karpathy’s post on RNNs (great resources!), the LSTM network architecture seemed overly complicated and the gates... |
How to convert a JavaScript array to C# array? | Let us say our JavaScript array is −
<script>
var myArr = new Array(5);
myArr[0] = "Welcome";
myArr[1] = "to";
myArr[2] = "the";
myArr[3] = "Web";
myArr[4] = "World";
</script>
Now, convert the array into a string using comma as a separator −
document.getElementById('demo1').value = myArr.join(',');
N... | [
{
"code": null,
"e": 1099,
"s": 1062,
"text": "Let us say our JavaScript array is −"
},
{
"code": null,
"e": 1257,
"s": 1099,
"text": "<script>\n var myArr = new Array(5);\n myArr[0] = \"Welcome\";\n myArr[1] = \"to\";\n myArr[2] = \"the\";\n myArr[3] = \"Web\";\n myA... |
Explainable Artificial Intelligence (XAI). But, for Whom? | by Carlos Mougan | Towards Data Science | Attempting to explain predictions or build interpretable machine learning models is a hot topic that is quickly expanding. When applying Machine Learning in the decision process in many areas such as medicine, nuclear energy, terrorism, healthcare, or finance, one cannot blindly trust the predictions and leave the algo... | [
{
"code": null,
"e": 556,
"s": 171,
"text": "Attempting to explain predictions or build interpretable machine learning models is a hot topic that is quickly expanding. When applying Machine Learning in the decision process in many areas such as medicine, nuclear energy, terrorism, healthcare, or fin... |
AngularJS | Directive - GeeksforGeeks | 28 Jun, 2019
AngularJS is an open-source MVC framework which is very similar to the JavaScript framework.Directives are markers on DOM element which tell Angular JS to attach a specified behavior to that DOM element or even transform the DOM element with its children. Simple AngularJS allows extending HTML with new att... | [
{
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"e": 24138,
"s": 24110,
"text": "\n28 Jun, 2019"
},
{
"code": null,
"e": 24698,
"s": 24138,
"text": "AngularJS is an open-source MVC framework which is very similar to the JavaScript framework.Directives are markers on DOM element which tell Angular JS to attach a... |
Python range function example - onlinetutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
The range() is a built-in function in Python ... | [
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"text": "C Examples"
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... |
Can we declare the variables of a Java interface private and protected? | Interface in Java is similar to class but, it contains only abstract methods and fields which are final and static.
If the fields of the interface are private, you cannot access them in the implementing class.
If you try to declare the fields of an interface private, a compile time error is generated saying “modifier p... | [
{
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"text": "Interface in Java is similar to class but, it contains only abstract methods and fields which are final and static."
},
{
"code": null,
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"text": "If the fields of the interface are private, you cannot access them... |
How to add accelerators to a menu item? | A menu is a list of options or commands presented to the user, typically menus contains items that perform some action. The contents of a menu are known as menu items and a menu bar holds multiple menus.
In JavaFX a menu is represented by the javafx.scene.control.Menu class, a menu item is represented by the javafx.sce... | [
{
"code": null,
"e": 1266,
"s": 1062,
"text": "A menu is a list of options or commands presented to the user, typically menus contains items that perform some action. The contents of a menu are known as menu items and a menu bar holds multiple menus."
},
{
"code": null,
"e": 1476,
"s... |
Sentiment Analysis using Classification | by Songhao Wu | Towards Data Science | Sentiment analysis is a commonly used text analysis technique to determine whether the text is positive, negative, or neutral. It can be used to understand the satisfaction of the audience and a great feature for forecasting. If you have a well-labeled dataset(with a ground truth sentiment score), you can consider usin... | [
{
"code": null,
"e": 548,
"s": 172,
"text": "Sentiment analysis is a commonly used text analysis technique to determine whether the text is positive, negative, or neutral. It can be used to understand the satisfaction of the audience and a great feature for forecasting. If you have a well-labeled da... |
Recursive sum of digits of a number formed by repeated appends in C++ | Given two integers ‘number’ and ‘repeat’ as input. The goal is to calculate the sum of digits of the input number repeated ‘repeat’ number of times until the sum becomes a single digit. Do this till the obtained number with sum of digits becomes a single digit number. If the input number is 123 and repeat=2 than the su... | [
{
"code": null,
"e": 1518,
"s": 1062,
"text": "Given two integers ‘number’ and ‘repeat’ as input. The goal is to calculate the sum of digits of the input number repeated ‘repeat’ number of times until the sum becomes a single digit. Do this till the obtained number with sum of digits becomes a singl... |
lexicographical_compare in C++ - GeeksforGeeks | 17 Aug, 2018
C++ STL offer many utilities to solve basic common life problems. Comparing values are always necessary, but sometimes we need to compare the strings also. Therefore, this article aims at explaining about “lexicographical_compare()” that allows to compare strings. This function is defined in “algorithm” he... | [
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"code": null,
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"text": "C++ STL offer many utilities to solve basic common life problems. Comparing values are always necessary, but sometimes we need to compare the strings also. Therefo... |
How to create a responsive form with CSS? | Following is the code to create a responsive form with CSS −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: Arial;
font-size: 17px;
padding: 8px;
}
* {
box-sizing: border-box;
}
.Fields {
display: flex;
flex-w... | [
{
"code": null,
"e": 1123,
"s": 1062,
"text": "Following is the code to create a responsive form with CSS −"
},
{
"code": null,
"e": 1134,
"s": 1123,
"text": " Live Demo"
},
{
"code": null,
"e": 3316,
"s": 1134,
"text": "<!DOCTYPE html>\n<html>\n<head>\n<meta ... |
A Beginner’s Guide to Data Analysis in Python | by Natassha Selvaraj | Towards Data Science | A data analyst uses programming tools to mine large amounts of complex data, and find relevant information from this data.
In short, an analyst is someone who derives meaning from messy data. A data analyst needs to have skills in the following areas, in order to be useful in the workplace:
Domain Expertise — In order ... | [
{
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"e": 295,
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"text": "A data analyst uses programming tools to mine large amounts of complex data, and find relevant information from this data."
},
{
"code": null,
"e": 464,
"s": 295,
"text": "In short, an analyst is someone who derives meaning from messy ... |
ASP.NET - Server Controls | Controls are small building blocks of the graphical user interface, which include text boxes, buttons, check boxes, list boxes, labels, and numerous other tools. Using these tools, the users can enter data, make selections and indicate their preferences.
Controls are also used for structural jobs, like validation, data... | [
{
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"text": "Controls are small building blocks of the graphical user interface, which include text boxes, buttons, check boxes, list boxes, labels, and numerous other tools. Using these tools, the users can enter data, make selections and indicate their preferences... |
What is the use of "from...import" Statement in Python? | The "from module import function" statement is used to import a specific function from a Python module. For example, if you want to import the sin function from the math library without importing any other function, you can do it as follows:
>>> from math import sin
>>> sin(0)
0.0
Note that you don't have to prefix sin... | [
{
"code": null,
"e": 1304,
"s": 1062,
"text": "The \"from module import function\" statement is used to import a specific function from a Python module. For example, if you want to import the sin function from the math library without importing any other function, you can do it as follows:"
},
{... |
How to create a hoverable dropdown menu with CSS? | Following is the code to create a hoverable dropdown menu with CSS −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
.menu-btn {
background-color: #7e32d4;
color: white;
padding: 16px;
font-size: 20px;
font-weight: bolder;
font-fa... | [
{
"code": null,
"e": 1131,
"s": 1062,
"text": "Following is the code to create a hoverable dropdown menu with CSS −"
},
{
"code": null,
"e": 1142,
"s": 1131,
"text": " Live Demo"
},
{
"code": null,
"e": 2349,
"s": 1142,
"text": "<!DOCTYPE html>\n<html>\n<head>... |
How to count the total number of radio buttons in a page in Selenium with python? | We can count the total number of radio buttons in a page in Selenium with the help of find_elements method. While working on any radio buttons, we will always find an attribute type in the html code and its value should be radio.
This characteristic is only applicable to radio buttons on that particular page and to no ... | [
{
"code": null,
"e": 1292,
"s": 1062,
"text": "We can count the total number of radio buttons in a page in Selenium with the help of find_elements method. While working on any radio buttons, we will always find an attribute type in the html code and its value should be radio."
},
{
"code": n... |
Rust - Variables | A variable is a named storage that programs can manipulate. Simply put, a variable helps programs to store values. Variables in Rust are associated with a specific data type. The data type determines the size and layout of the variable's memory, the range of values that can be stored within that memory and the set of o... | [
{
"code": null,
"e": 2456,
"s": 2087,
"text": "A variable is a named storage that programs can manipulate. Simply put, a variable helps programs to store values. Variables in Rust are associated with a specific data type. The data type determines the size and layout of the variable's memory, the ran... |
OpenCV - Using Camera | In this chapter, we will learn how to use OpenCV to capture frames using the system camera. The VideoCapture class of the org.opencv.videoio package contains classes and methods to capture video using the camera. Let’s go step by step and learn how to capture frames −
While writing Java code using OpenCV library, the f... | [
{
"code": null,
"e": 3273,
"s": 3004,
"text": "In this chapter, we will learn how to use OpenCV to capture frames using the system camera. The VideoCapture class of the org.opencv.videoio package contains classes and methods to capture video using the camera. Let’s go step by step and learn how to c... |
Practical Python: Try, Except, and Assert | by Soner Yıldırım | Towards Data Science | The dream of every software programmer is to write a program that runs smoothly. However, this is not usually the case at first. The execution of a code stops in case of an error.
Unexpected situations or conditions might cause errors. Python considers these situations as exceptions and raises different kinds of errors... | [
{
"code": null,
"e": 352,
"s": 172,
"text": "The dream of every software programmer is to write a program that runs smoothly. However, this is not usually the case at first. The execution of a code stops in case of an error."
},
{
"code": null,
"e": 529,
"s": 352,
"text": "Unexpe... |
Explain the architecture of Java Swing in Java? | Java Swing is a set of APIs that provides a graphical user interface (GUI) for the java programs. The Java Swing was developed based on earlier APIs called Abstract Windows Toolkit (AWT). The Java Swing provides richer and more sophisticated GUI components than AWT. The GUI components are ranging from a simple level to... | [
{
"code": null,
"e": 1542,
"s": 1062,
"text": "Java Swing is a set of APIs that provides a graphical user interface (GUI) for the java programs. The Java Swing was developed based on earlier APIs called Abstract Windows Toolkit (AWT). The Java Swing provides richer and more sophisticated GUI compone... |
Tk - Text Widget | Tk text widget is a general purpose editable text widget with features for multiple options. The syntax for text widget is shown below −
text textName options
The options available for the text widget are listed below in table −
-background color
Used to set background color for widget.
-borderwidth width
Used to draw... | [
{
"code": null,
"e": 2338,
"s": 2201,
"text": "Tk text widget is a general purpose editable text widget with features for multiple options. The syntax for text widget is shown below −"
},
{
"code": null,
"e": 2361,
"s": 2338,
"text": "text textName options\n"
},
{
"code":... |
How to create a thread in android? | Before getting into an example, we should know what thread is. A thread is a lightweight sub-process, it going to do background operations without interrupt to ui. This example demonstrate about How to create a thread in android.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all req... | [
{
"code": null,
"e": 1292,
"s": 1062,
"text": "Before getting into an example, we should know what thread is. A thread is a lightweight sub-process, it going to do background operations without interrupt to ui. This example demonstrate about How to create a thread in android."
},
{
"code": n... |
Regular Expression Vs Context Free Grammar - GeeksforGeeks | 01 May, 2019
Regular Expressions are capable of describing the syntax of Tokens. Any syntactic construct that can be described by Regular Expression can also be described by the Context free grammar.
Regular Expression:
(a|b)(a|b|01)
Context-free grammar:
S --> aA|bA
A --> aA|bA|0A|1A|e
*e denotes epsilon.
The Contex... | [
{
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"s": 24418,
"text": "\n01 May, 2019"
},
{
"code": null,
"e": 24633,
"s": 24446,
"text": "Regular Expressions are capable of describing the syntax of Tokens. Any syntactic construct that can be described by Regular Expression can also be described by th... |
Dynamic Allocation of Data Types and Variables in Python | by Bipin P. | Towards Data Science | Suppose you are given a list (list_main) with 10 elements. You have to divide it into 3 parts. The first part is allocated to list1, the second part to list2, and the third part to list3. This division or partition of the list is analogous to K-fold Cross-Validation. For the uninitiated, cross-validation is a resamplin... | [
{
"code": null,
"e": 936,
"s": 171,
"text": "Suppose you are given a list (list_main) with 10 elements. You have to divide it into 3 parts. The first part is allocated to list1, the second part to list2, and the third part to list3. This division or partition of the list is analogous to K-fold Cross... |
Data Science Code Refactoring Example | by John DeJesus | Towards Data Science | When learning to code for data science we don’t usually consider the idea of modifying our code to reap a particular benefit in terms of performance. We code to modify our data, produce a visualization, and to construct our ML models. But if your code is going to be used for a dashboard or app, we have to consider if o... | [
{
"code": null,
"e": 599,
"s": 172,
"text": "When learning to code for data science we don’t usually consider the idea of modifying our code to reap a particular benefit in terms of performance. We code to modify our data, produce a visualization, and to construct our ML models. But if your code is ... |
How to make .js variables accessible to .ejs files ? - GeeksforGeeks | 08 Apr, 2021
EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. It is possible to access JS variable in .ejs file.
You just need to pass the JS object as second parameter of res.render() method. Let’s jump into deep.
Project Structure: Final folder structure will be as shown ... | [
{
"code": null,
"e": 24556,
"s": 24528,
"text": "\n08 Apr, 2021"
},
{
"code": null,
"e": 24701,
"s": 24556,
"text": "EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. It is possible to access JS variable in .ejs file."
},
{
"cod... |
Python Text Wrapping and Filling | In python the textwrap module is used to format and wrap plain texts. There are some options to format the texts by adjusting the line breaks in the input paragraph.
To use these modules, we need to import the textwrap module in our code.
import textwrap
The Textwrapper instance attributes of the constructors are as f... | [
{
"code": null,
"e": 1228,
"s": 1062,
"text": "In python the textwrap module is used to format and wrap plain texts. There are some options to format the texts by adjusting the line breaks in the input paragraph."
},
{
"code": null,
"e": 1301,
"s": 1228,
"text": "To use these mod... |
Matplotlib - Grids | The grid() function of axes object sets visibility of grid inside the figure to on or off. You can also display major / minor (or both) ticks of the grid. Additionally color, linestyle and linewidth properties can be set in the grid() function.
import matplotlib.pyplot as plt
import numpy as np
fig, axes = plt.subplots... | [
{
"code": null,
"e": 2761,
"s": 2516,
"text": "The grid() function of axes object sets visibility of grid inside the figure to on or off. You can also display major / minor (or both) ticks of the grid. Additionally color, linestyle and linewidth properties can be set in the grid() function."
},
... |
Node.js http.ServerResponse.statusMessage Property - GeeksforGeeks | 20 Jan, 2021
The httpServerResponse.statusMessage is an inbuilt application programming interface of class ServerResponse within http module which is used to control the status message that will be sent to the client when the headers get flushed.
Syntax:
response.statusMessage
Parameters: This method does not accept an... | [
{
"code": null,
"e": 24922,
"s": 24894,
"text": "\n20 Jan, 2021"
},
{
"code": null,
"e": 25156,
"s": 24922,
"text": "The httpServerResponse.statusMessage is an inbuilt application programming interface of class ServerResponse within http module which is used to control the status... |
HTML | DOM onunload Event - GeeksforGeeks | 28 Jul, 2021
The onunload event in HTML occurs once the page is unloaded. for example, when the page is loading and the browser window has been closed by the user or submit a form, click on a link, etc. This event also occurs when the page is reloaded.
Supported Tags
<body>
Syntax:
In HTML:
<element onunload="myScr... | [
{
"code": null,
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"s": 24475,
"text": "\n28 Jul, 2021"
},
{
"code": null,
"e": 24743,
"s": 24503,
"text": "The onunload event in HTML occurs once the page is unloaded. for example, when the page is loading and the browser window has been closed by the user or submit a f... |
Difference between == and .Equals method in c# | The Equality Operator ( ==) is the comparison operator and the Equals() method in C# is used to compare the content of a string.
The Equals() method compares only content.
Live Demo
using System;
namespace ComparisionExample {
class Program {
static void Main(string[] args) {
string str = "hello";
... | [
{
"code": null,
"e": 1191,
"s": 1062,
"text": "The Equality Operator ( ==) is the comparison operator and the Equals() method in C# is used to compare the content of a string."
},
{
"code": null,
"e": 1234,
"s": 1191,
"text": "The Equals() method compares only content."
},
{
... |
Python | TextInput in kivy using .kv file - GeeksforGeeks | 28 Feb, 2022
Kivy is a platform independent GUI tool in Python. As it can be run on Android, IOS, linux and Windows etc. It is basically used to develop the Android application, but it does not mean that it can not be used on Desktops applications.
Kivy Tutorial – Learn Kivy with Examples.
The TextInput widget provide... | [
{
"code": null,
"e": 24216,
"s": 24188,
"text": "\n28 Feb, 2022"
},
{
"code": null,
"e": 24452,
"s": 24216,
"text": "Kivy is a platform independent GUI tool in Python. As it can be run on Android, IOS, linux and Windows etc. It is basically used to develop the Android application... |
The Easiest Way to Get Fake Data. This simple method covers most use... | by Preston Badeer | Towards Data Science | A great rule of thumb for writing code, especially in Python, is to look for a module on PyPi or just using Google, before you start writing code yourself.
If nobody else has done what you’re trying to do then you still might find articles, partial code, or general guidance.
If somebody has done it before you could fin... | [
{
"code": null,
"e": 328,
"s": 172,
"text": "A great rule of thumb for writing code, especially in Python, is to look for a module on PyPi or just using Google, before you start writing code yourself."
},
{
"code": null,
"e": 448,
"s": 328,
"text": "If nobody else has done what y... |
Building a Numerical Integration Tool in Python — From Scratch | by Kasper Müller | Towards Data Science | Not so long ago I was doing some research in analytic number theory. It was merely for my own sake at home in the evening. It was just a hobby project to satisfy my curiosity.
At some point, I was left with a nasty double integral and I wanted to check that what I had found was actually correct. To add some context for... | [
{
"code": null,
"e": 348,
"s": 172,
"text": "Not so long ago I was doing some research in analytic number theory. It was merely for my own sake at home in the evening. It was just a hobby project to satisfy my curiosity."
},
{
"code": null,
"e": 747,
"s": 348,
"text": "At some po... |
Find two numbers with the given LCM and minimum possible difference - GeeksforGeeks | 20 Feb, 2022
Given an integer X, the task is to find two integers A and B such that LCM(A, B) = X and the difference between the A and B is minimum possible.Examples:
Input: X = 6 Output: 2 3 LCM(2, 3) = 6 and (3 – 2) = 1 which is the minimum possible.Input X = 7 Output: 1 7
Approach: An approach to solve this pr... | [
{
"code": null,
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"s": 24826,
"text": "\n20 Feb, 2022"
},
{
"code": null,
"e": 25010,
"s": 24854,
"text": "Given an integer X, the task is to find two integers A and B such that LCM(A, B) = X and the difference between the A and B is minimum possible.Examples: "
},
... |
Find the maximum subarray XOR in a given array - GeeksforGeeks | 24 Jan, 2022
Given an array of integers. find the maximum XOR subarray value in given array. Expected time complexity O(n).
Examples:
Input: arr[] = {1, 2, 3, 4}
Output: 7
The subarray {3, 4} has maximum XOR value
Input: arr[] = {8, 1, 2, 12, 7, 6}
Output: 15
The subarray {1, 2, 12} has maximum XOR value
Input: arr[... | [
{
"code": null,
"e": 24782,
"s": 24754,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 24893,
"s": 24782,
"text": "Given an array of integers. find the maximum XOR subarray value in given array. Expected time complexity O(n)."
},
{
"code": null,
"e": 24904,
"s":... |
SciPy Optimizers | Optimizers are a set of procedures defined in SciPy that either find the minimum value of
a function, or the root of an equation.
Essentially, all of the algorithms in Machine Learning are nothing more than a complex equation that needs to be minimized with the help of given data.
NumPy is capable of finding roots for... | [
{
"code": null,
"e": 131,
"s": 0,
"text": "Optimizers are a set of procedures defined in SciPy that either find the minimum value of \na function, or the root of an equation."
},
{
"code": null,
"e": 283,
"s": 131,
"text": "Essentially, all of the algorithms in Machine Learning a... |
howdoi in Python | C:\Py3Project>howdoi create a python list
Running the above code gives us the following result −
>>> l = [None] * 10
>>> l
[None, None, None, None, None, None, None, None, None, None]
c:\python3>howdoi print today's date in python
Running the above code gives us the following result −
for date in mylist :
print str(dat... | [
{
"code": null,
"e": 1104,
"s": 1062,
"text": "C:\\Py3Project>howdoi create a python list"
},
{
"code": null,
"e": 1159,
"s": 1104,
"text": "Running the above code gives us the following result −"
},
{
"code": null,
"e": 1246,
"s": 1159,
"text": ">>> l = [None... |
C# Equivalent to Java Functional Interfaces | Equivalent of Java’s Functional Interfaces in C# is Delegates.
Let us see the implementation of functional interface in Java −
@FunctionalInterface
public interface MyInterface {
void invoke();
}
public class Demo {
void method(){
MyInterface x = () -> MyFunc ();
x.invoke();
}
void MyFunc() {
... | [
{
"code": null,
"e": 1125,
"s": 1062,
"text": "Equivalent of Java’s Functional Interfaces in C# is Delegates."
},
{
"code": null,
"e": 1189,
"s": 1125,
"text": "Let us see the implementation of functional interface in Java −"
},
{
"code": null,
"e": 1387,
"s": 118... |
5-Minute Machine Learning. Bayes Theorem and Naive Bayes | by Andre Violante | Towards Data Science | Naive Bayes is a set of simple and efficient machine learning algorithms for solving a variety of classification and regression problems. If you haven’t been in a stats class for a while or seeing the word “bayesian” makes you uneasy then this is may be a good 5-minute introduction. I’m going to give an explanation of ... | [
{
"code": null,
"e": 688,
"s": 172,
"text": "Naive Bayes is a set of simple and efficient machine learning algorithms for solving a variety of classification and regression problems. If you haven’t been in a stats class for a while or seeing the word “bayesian” makes you uneasy then this is may be a... |
Except not working in MySQL? | You cannot use except in MySQL. You can work with NOT IN operator to get the same result. Let us first create a table −
mysql> create table DemoTable1
(
Number1 int
);
Query OK, 0 rows affected (0.71 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1 values(100);
Query OK, 1 r... | [
{
"code": null,
"e": 1182,
"s": 1062,
"text": "You cannot use except in MySQL. You can work with NOT IN operator to get the same result. Let us first create a table −"
},
{
"code": null,
"e": 1270,
"s": 1182,
"text": "mysql> create table DemoTable1\n (\n Number1 int\n );\nQuery O... |
House Prices Prediction Using Deep Learning | by Mahsa Mir | Towards Data Science | In this tutorial, we’re going to create a model to predict House prices🏡 based on various factors across different markets.
The goal of this statistical analysis is to help us understand the relationship between house features and how these variables are used to predict house price.
Predict the house price
Using two d... | [
{
"code": null,
"e": 296,
"s": 172,
"text": "In this tutorial, we’re going to create a model to predict House prices🏡 based on various factors across different markets."
},
{
"code": null,
"e": 456,
"s": 296,
"text": "The goal of this statistical analysis is to help us understan... |
Heart Disease Classification Project — Part I | by Muriel Kosaka | Towards Data Science | Cardiovascular disease or heart disease is the leading cause of death amongst women and men and amongst most racial/ethnic groups in the United States. Heart disease describes a range of conditions that affect your heart. Diseases under the heart disease umbrella include blood vessel diseases, such as coronary artery d... | [
{
"code": null,
"e": 777,
"s": 172,
"text": "Cardiovascular disease or heart disease is the leading cause of death amongst women and men and amongst most racial/ethnic groups in the United States. Heart disease describes a range of conditions that affect your heart. Diseases under the heart disease ... |
Count set bits in an integer in C++ | We are given an integer number let’s say, num and the task is to firstly calculate the binary digit of a number and then calculate the total set bits of a number.
Set bits in a binary number is represented by 1. Whenever we calculate the binary number of an integer value then it is formed as the combination of 0’s and ... | [
{
"code": null,
"e": 1225,
"s": 1062,
"text": "We are given an integer number let’s say, num and the task is to firstly calculate the binary digit of a number and then calculate the total set bits of a number."
},
{
"code": null,
"e": 1453,
"s": 1225,
"text": "Set bits in a binar... |
Check if one list is subset of other in Python | In text analytics and various other fields of data analytics it is often needed to find if a given list is already a part of a bigger list. In this article we will see the python programs to implement this requirement.
We use a for loop to check if every element of the smaller list is present in the bigger list. The al... | [
{
"code": null,
"e": 1281,
"s": 1062,
"text": "In text analytics and various other fields of data analytics it is often needed to find if a given list is already a part of a bigger list. In this article we will see the python programs to implement this requirement."
},
{
"code": null,
"e... |
Data Handling Using Pandas: Cleaning and Processing | by Saptashwa Bhattacharyya | Towards Data Science | While practicing for some old Kaggle projects, I’ve realized that preparing data files before applying machine learning algorithms took a whole lot of time. This post is to review some of the beginner to advanced level data handling techniques with Pandas, written as a precursor of another post where I have used Global... | [
{
"code": null,
"e": 654,
"s": 171,
"text": "While practicing for some old Kaggle projects, I’ve realized that preparing data files before applying machine learning algorithms took a whole lot of time. This post is to review some of the beginner to advanced level data handling techniques with Pandas... |
C# | Get the minimum value in the SortedSet - GeeksforGeeks | 01 Feb, 2019
SortedSet class represents the collection of objects in sorted order. This class comes under the System.Collections.Generic namespace. SortedSet<T>.Min Property is used to get minimum value in the SortedSet<T>, as defined by the comparer.
Properties:
In C#, SortedSet class can be used to store, remove or v... | [
{
"code": null,
"e": 23911,
"s": 23883,
"text": "\n01 Feb, 2019"
},
{
"code": null,
"e": 24150,
"s": 23911,
"text": "SortedSet class represents the collection of objects in sorted order. This class comes under the System.Collections.Generic namespace. SortedSet<T>.Min Property is... |
Bootstrap 4 - Collapse | Collapse component is used to show or hide the content by using .collapse class. The content can be collapsed by adding data-toggle="collapse" attribute anchor or button element. The id of these elements references to the id of the content to collapse the data.
You can collapse the content with <a> tag by using href va... | [
{
"code": null,
"e": 2078,
"s": 1816,
"text": "Collapse component is used to show or hide the content by using .collapse class. The content can be collapsed by adding data-toggle=\"collapse\" attribute anchor or button element. The id of these elements references to the id of the content to collapse... |
Creating an ECG Data Stream with Polar device | by Pareeknikhil | Towards Data Science | With a plethora of Biofeedback apps emerging in the health and fitness space, wearable biosensing devices are becoming pivotal in determining the “Active” state of the users. The active state of the user could be defined as the mood; between happy-sad-neutral or stress state; between relaxed-stressed-neutral, or even h... | [
{
"code": null,
"e": 864,
"s": 172,
"text": "With a plethora of Biofeedback apps emerging in the health and fitness space, wearable biosensing devices are becoming pivotal in determining the “Active” state of the users. The active state of the user could be defined as the mood; between happy-sad-neu... |
Trapping Rain Water in Python | Suppose we have an array of n non-negative integers. These are representing an elevation map where the width of each bar is 1, we have to compute how much water it is able to trap after raining. So the map will be like −
Here we can see there are 6 blue boxes, so the output will be 6.
To solve this, we will follow thes... | [
{
"code": null,
"e": 1283,
"s": 1062,
"text": "Suppose we have an array of n non-negative integers. These are representing an elevation map where the width of each bar is 1, we have to compute how much water it is able to trap after raining. So the map will be like −"
},
{
"code": null,
... |
Python | Filter tuples according to list element presence - GeeksforGeeks | 11 Nov, 2019
Sometimes, while working with records, we can have a problem in which we have to filter all the tuples from a list of tuples, which contains atleast one element from a list. This can have application in many domains working with data. Let’s discuss certain ways in which this task can be performed.
Method #... | [
{
"code": null,
"e": 24491,
"s": 24463,
"text": "\n11 Nov, 2019"
},
{
"code": null,
"e": 24790,
"s": 24491,
"text": "Sometimes, while working with records, we can have a problem in which we have to filter all the tuples from a list of tuples, which contains atleast one element fr... |
How to store a Sparse Vector efficiently? | 07 Jul, 2021
A sparse vector is a vector that has a large number of zeros so it takes unwanted space to store these zeroes.The task is to store a given sparse vector efficiently without storing the zeros.
Examples:
Input: vector = { 2, 0, 0, 0, 0,
3, 0, 4, 0, 0,
0, 1, 5, 0, 0,
... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Jul, 2021"
},
{
"code": null,
"e": 220,
"s": 28,
"text": "A sparse vector is a vector that has a large number of zeros so it takes unwanted space to store these zeroes.The task is to store a given sparse vector efficiently without st... |
JavaFX | TextInputDialog | 24 Oct, 2019
TextInputDialog is a part of JavaFX library. TextInputDialog is a dialog that allows the user to enter a text, and the dialog contains a header text, a TextField and confirmation buttons.
Constructor of the TextInputDialog class are:
TextInputDialog(): creates a text input dialog with no initial text.TextI... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n24 Oct, 2019"
},
{
"code": null,
"e": 242,
"s": 54,
"text": "TextInputDialog is a part of JavaFX library. TextInputDialog is a dialog that allows the user to enter a text, and the dialog contains a header text, a TextField and confirma... |
Add data to existing data in a MySQL Database? | You can use CONCAT() function for this. Let us first create a table −
mysql> create table DemoTable
(
UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
UserName varchar(100)
);
Query OK, 0 rows affected (0.43 sec)
Insert records in the table using insert command −
mysql> insert into DemoTable(UserName) values... | [
{
"code": null,
"e": 1132,
"s": 1062,
"text": "You can use CONCAT() function for this. Let us first create a table −"
},
{
"code": null,
"e": 1286,
"s": 1132,
"text": "mysql> create table DemoTable\n (\n UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,\n UserName varchar(100... |
Gradient Descent Optimizers for Neural Net Training | by Daryl Chang | Towards Data Science | co-authored with Apurva Pathak
Welcome to another instalment in our Deep Learning Experiments series, where we run experiments to evaluate commonly-held assumptions about training neural networks. Our goal is to better understand the different design choices that affect model training and evaluation. To do so, we come ... | [
{
"code": null,
"e": 203,
"s": 172,
"text": "co-authored with Apurva Pathak"
},
{
"code": null,
"e": 576,
"s": 203,
"text": "Welcome to another instalment in our Deep Learning Experiments series, where we run experiments to evaluate commonly-held assumptions about training neural... |
Check Constraint in MS SQL Server - GeeksforGeeks | 26 Aug, 2020
Check Constraint :It is used alongside relational operators to check whether a value satisfies the condition or not (boolean). If the condition is satisfied, the boolean expression sets to True otherwise False. The check constraint does not have a specific syntax. It is used along with the create table syn... | [
{
"code": null,
"e": 23913,
"s": 23885,
"text": "\n26 Aug, 2020"
},
{
"code": null,
"e": 24225,
"s": 23913,
"text": "Check Constraint :It is used alongside relational operators to check whether a value satisfies the condition or not (boolean). If the condition is satisfied, the b... |
Determining Optimal Distribution Centers locations using Weighted K-Means | by Jaswanth Badvelu | Towards Data Science | Everyone here must have heard of Amazon and its growth in recent years. One of the main reasons for the success of Amazon is its supply chain management. All the people who have ordered at least once from Amazon should be familiar with their popular 1-day shipping. Ever wondered how companies like Amazon can deliver pr... | [
{
"code": null,
"e": 538,
"s": 172,
"text": "Everyone here must have heard of Amazon and its growth in recent years. One of the main reasons for the success of Amazon is its supply chain management. All the people who have ordered at least once from Amazon should be familiar with their popular 1-day... |
Tryit Editor v3.6 - Show React | import React from 'react';
import ReactDOM from 'react-dom/client';
class Header extends React.Component {
constructor(props) {
super(props);
this.state = {favoritecolor: "red"};
}
componentDidMount() {
setTimeout(() => {
this.setState({favoritecolor: "yellow"})
}, 1000)
}
getSnapshotBe... | [
{
"code": null,
"e": 892,
"s": 0,
"text": "\nimport React from 'react';\nimport ReactDOM from 'react-dom/client';\n\nclass Header extends React.Component {\n constructor(props) {\n super(props);\n this.state = {favoritecolor: \"red\"};\n }\n componentDidMount() {\n setTimeout(() => {\n ... |
How to split images into different channels in OpenCV using C++? | There are three channels in an RGB image- red, green and blue. The color space where red, green and blue channels represent images is called RGB color space. In OpenCV, BGR sequence is used instead of RGB. This means the first channel is blue, the second channel is green, and the third channel is red. To split an RGB i... | [
{
"code": null,
"e": 1523,
"s": 1062,
"text": "There are three channels in an RGB image- red, green and blue. The color space where red, green and blue channels represent images is called RGB color space. In OpenCV, BGR sequence is used instead of RGB. This means the first channel is blue, the secon... |
HTML <tt> Tag - GeeksforGeeks | 17 Mar, 2022
The <tt> tag is the abbreviation of teletype text. This tag is depreciated from HTML 5. It was used for marking Keyboard input. It was mainly used for formatting purposes. This tag was used in HTML 4 (Not Supported in HTML5).Syntax:
<tt> Contents... </tt>
Below example illustrates the <tt> tag in HTML:
Ex... | [
{
"code": null,
"e": 22710,
"s": 22682,
"text": "\n17 Mar, 2022"
},
{
"code": null,
"e": 22944,
"s": 22710,
"text": "The <tt> tag is the abbreviation of teletype text. This tag is depreciated from HTML 5. It was used for marking Keyboard input. It was mainly used for formatting p... |
vector::begin() and vector::end() in C++ STL | 17 Jun, 2022
Vectors are the same as dynamic arrays with the ability to resize itself automatically when an element is inserted or deleted, with their storage being handled automatically by the container.
begin() function is used to return an iterator pointing to the first element of the vector container. begin() funct... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n17 Jun, 2022"
},
{
"code": null,
"e": 244,
"s": 52,
"text": "Vectors are the same as dynamic arrays with the ability to resize itself automatically when an element is inserted or deleted, with their storage being handled automatically ... |
pandas.isna() function in Python | 14 Aug, 2020
This method is used to detect missing values for an array-like object. This function takes a scalar or array-like object and indicates whether values are missing (“NaN“ in numeric arrays, “None“ or “NaN“ in object arrays, “NaT“ in datetimelike).
Syntax : pandas.isna(obj)
Argument :
obj : scalar or array-li... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n14 Aug, 2020"
},
{
"code": null,
"e": 274,
"s": 28,
"text": "This method is used to detect missing values for an array-like object. This function takes a scalar or array-like object and indicates whether values are missing (“NaN“ in num... |
time.Time.AddDate() Function in Golang with Examples | 19 Apr, 2020
In Go language, time packages supplies functionality for determining as well as viewing time. The Time.AddDate() function in Go language is used to check the time which is equivalent to adding the stated number of years, months, and days to the given “t”.For example, if the parameters of the method are lik... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n19 Apr, 2020"
},
{
"code": null,
"e": 703,
"s": 28,
"text": "In Go language, time packages supplies functionality for determining as well as viewing time. The Time.AddDate() function in Go language is used to check the time which is equ... |
Pandas – Groupby multiple values and plotting results | 24 Jan, 2022
In this article, we will learn how to groupby multiple values and plotting the results in one go. Here, we take “exercise.csv” file of a dataset from seaborn library then formed different groupby data and visualize the result.
For this procedure, the steps required are given below :
Import libraries for d... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 256,
"s": 28,
"text": "In this article, we will learn how to groupby multiple values and plotting the results in one go. Here, we take “exercise.csv” file of a dataset from seaborn library then form... |
Print first letter of each word in a string using regex | 11 Dec, 2018
Given a string, extract the first letter of each word in it. “Words” are defined as contiguous strings of alphabetic characters i.e. any upper or lower case characters a-z or A-Z.
Examples:
Input : Geeks for geeks
Output :Gfg
Input : United Kingdom
Output : UK
Below is the Regular expression to e... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Dec, 2018"
},
{
"code": null,
"e": 208,
"s": 28,
"text": "Given a string, extract the first letter of each word in it. “Words” are defined as contiguous strings of alphabetic characters i.e. any upper or lower case characters a-z or ... |
How to iterate over the keys and values with ng-repeat in AngularJS ? | 22 Nov, 2019
The task is to iterate over a JS object (its keys and values) using the ng-repeat directive. This can be done using parenthesis in the ng-repeat directive to explicitly ask for a key-value pair parameter from angularJS. Here the variable key contains the key of the object and value contains the value of th... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n22 Nov, 2019"
},
{
"code": null,
"e": 345,
"s": 28,
"text": "The task is to iterate over a JS object (its keys and values) using the ng-repeat directive. This can be done using parenthesis in the ng-repeat directive to explicitly ask fo... |
Python sympy | Matrix.diagonalize() method | 30 Dec, 2020
With the help of sympy.Matrix().diagonalize() method, we can diagonalize a matrix. diagonalize() returns a tuple , where is diagonal and .
Syntax: Matrix().diagonalize()
Returns: Returns a tuple of matrix where the second element represents the diagonal of the matrix.
Example #1:
# import sympy from sympy... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Dec, 2020"
},
{
"code": null,
"e": 168,
"s": 28,
"text": "With the help of sympy.Matrix().diagonalize() method, we can diagonalize a matrix. diagonalize() returns a tuple , where is diagonal and ."
},
{
"code": null,
"e"... |
Find the sum of the series 1+11+111+1111+..... upto n terms | 25 May, 2022
Here we are going to find the sum of the series 1 + 11 + 111 + 1111 +.....upto N terms (where N is given).Example :
Input : 3
Output : 1 + 11 + 111 +....
Total sum is : 123
Input : 4
Output : 1 + 11 + 111 + 1111 +.....
Total sum is : 1234
Input : 7
Output : 1 + 11 + 111 + 1111 + 11111 +
1111... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n25 May, 2022"
},
{
"code": null,
"e": 170,
"s": 52,
"text": "Here we are going to find the sum of the series 1 + 11 + 111 + 1111 +.....upto N terms (where N is given).Example : "
},
{
"code": null,
"e": 403,
"s": 170,
... |
Python | Decimal quantize() method | 09 Sep, 2019
Decimal#quantize() : quantize() is a Decimal class method which returns a value equal to first decimal value (rounded) having the exponent of second decimal value.
Syntax: Decimal.quantize()
Parameter: Decimal values
Return: a value equal to first decimal value (rounded) having the exponent of second decim... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n09 Sep, 2019"
},
{
"code": null,
"e": 192,
"s": 28,
"text": "Decimal#quantize() : quantize() is a Decimal class method which returns a value equal to first decimal value (rounded) having the exponent of second decimal value."
},
{
... |
Iterate List in Java using Loops | 21 Jun, 2021
In this article, we are going to see how to iterate through a List. In Java, a List is an interface of the Collection framework. List can be of various types such as ArrayList, Stack, LinkedList, and Vector. There are various ways to iterate through a java List but here we will only be discussing our trave... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n21 Jun, 2021"
},
{
"code": null,
"e": 599,
"s": 54,
"text": "In this article, we are going to see how to iterate through a List. In Java, a List is an interface of the Collection framework. List can be of various types such as ArrayLis... |
Tiling Problem | 24 May, 2022
Given a “2 x n” board and tiles of size “2 x 1”, count the number of ways to tile the given board using the 2 x 1 tiles. A tile can either be placed horizontally i.e., as a 1 x 2 tile or vertically i.e., as 2 x 1 tile.
Examples:
Input: n = 4
Output: 5
Explanation:
Chapters
descriptions off, selected
capt... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n24 May, 2022"
},
{
"code": null,
"e": 272,
"s": 52,
"text": "Given a “2 x n” board and tiles of size “2 x 1”, count the number of ways to tile the given board using the 2 x 1 tiles. A tile can either be placed horizontally i.e., as a 1... |
Find pairs with given sum such that elements of pair are in different rows | 06 Jul, 2022
Given a matrix of distinct values and a sum. The task is to find all the pairs in a given matrix whose summation is equal to the given sum. Each element of a pair must be from different rows i.e; the pair must not lie in the same row.
Examples:
Input : mat[4][4] = {{1, 3, 2, 4},
{5, ... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n06 Jul, 2022"
},
{
"code": null,
"e": 289,
"s": 54,
"text": "Given a matrix of distinct values and a sum. The task is to find all the pairs in a given matrix whose summation is equal to the given sum. Each element of a pair must be fro... |
Program to print all palindromes in a given range | 23 Jun, 2022
Given a range of numbers, print all palindromes in the given range. For example if the given range is {10, 115}, then output should be {11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 111}We can run a loop from min to max and check every number for palindrome. If the number is a palindrome, we can simply print it... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n23 Jun, 2022"
},
{
"code": null,
"e": 362,
"s": 52,
"text": "Given a range of numbers, print all palindromes in the given range. For example if the given range is {10, 115}, then output should be {11, 22, 33, 44, 55, 66, 77, 88, 99, 10... |
Optimal Strategy for a Game | DP-31 | 08 Jul, 2022
Consider a row of n coins of values v1 . . . vn, where n is even. We play a game against an opponent by alternating turns. In each turn, a player selects either the first or last coin from the row, removes it from the row permanently, and receives the value of the coin. Determine the maximum possible amoun... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n08 Jul, 2022"
},
{
"code": null,
"e": 454,
"s": 52,
"text": "Consider a row of n coins of values v1 . . . vn, where n is even. We play a game against an opponent by alternating turns. In each turn, a player selects either the first or ... |
Difference between cout and puts() in C++ with Examples | 08 Jul, 2020
Standard Output Stream(cout): The C++ cout statement is the instance of the ostream class. It is used to display output on the standard output device which is usually the display screen. The data needed to be displayed on the screen is inserted in the standard output stream (cout) using the insertion opera... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n08 Jul, 2020"
},
{
"code": null,
"e": 385,
"s": 28,
"text": "Standard Output Stream(cout): The C++ cout statement is the instance of the ostream class. It is used to display output on the standard output device which is usually the disp... |
Style Plots using Matplotlib | 17 Dec, 2020
Matplotlib is the most popular package or library in Python which is used for data visualization. By using this library we can generate plots and figures, and can easily create raster and vector files without using any other GUIs. With matplotlib, we can style the plots like, an HTML webpage is styled by u... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n17 Dec, 2020"
},
{
"code": null,
"e": 437,
"s": 52,
"text": "Matplotlib is the most popular package or library in Python which is used for data visualization. By using this library we can generate plots and figures, and can easily crea... |
Python | Send SMS using Twilio | 18 Apr, 2019
As we know Python is a cool scripting language and can be used to write scripts to easify day-to-day task. Also, since python has large community support and lots of module/API available, it makes Python more versatile and popular among users.
In this article, we will see how to use Twilio API to send SMS ... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n18 Apr, 2019"
},
{
"code": null,
"e": 298,
"s": 54,
"text": "As we know Python is a cool scripting language and can be used to write scripts to easify day-to-day task. Also, since python has large community support and lots of module/A... |
How to download and install Python Latest Version on macOS / Mac OS X | 24 Oct, 2019
Python is a widely-used general-purpose, high-level programming language. This article will serve as a complete tutorial on How to download and install Python latest version on macOS / Mac OS X. Like Linux, macOS also comes with Python pre-installed on the system. It might be Python version 2 or some simil... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n24 Oct, 2019"
},
{
"code": null,
"e": 584,
"s": 52,
"text": "Python is a widely-used general-purpose, high-level programming language. This article will serve as a complete tutorial on How to download and install Python latest version ... |
How to find specific words in an array with JavaScript? | To find specific words in an array, you can use includes(). We have the following array −
var sentence = ["My Name is John Smith. My Favourite Subject is JavaScript. I live in US. I like Hockey"];
Now, the following is an array having the words we need to search in the above “sentence” array −
var keywords = ["John", "... | [
{
"code": null,
"e": 1152,
"s": 1062,
"text": "To find specific words in an array, you can use includes(). We have the following array −"
},
{
"code": null,
"e": 1259,
"s": 1152,
"text": "var sentence = [\"My Name is John Smith. My Favourite Subject is JavaScript. I live in US. I... |
Leaf at same level | Practice | GeeksforGeeks | Given a Binary Tree, check if all leaves are at same level or not.
Example 1:
Input:
1
/ \
2 3
Output: 1
Explanation:
Leaves 2 and 3 are at same level.
Example 2:
Input:
10
/ \
20 30
/ \
10 15
Output: 0
Explanatio... | [
{
"code": null,
"e": 305,
"s": 238,
"text": "Given a Binary Tree, check if all leaves are at same level or not."
},
{
"code": null,
"e": 316,
"s": 305,
"text": "Example 1:"
},
{
"code": null,
"e": 433,
"s": 316,
"text": "Input: \n 1\n / \... |
5 Cross-Validation Techniques You Need To Create Models That People Trust | Towards Data Science | I'll be honest. These days I rarely cross-validate. Maybe it is because of the sheer size of the datasets I've been dealing with. Call me lazy, stupid, or even pretentious blank for writing an article on something I am not even using. No matter what, one thing is for sure — I won't stop preaching the importance of cros... | [
{
"code": null,
"e": 534,
"s": 172,
"text": "I'll be honest. These days I rarely cross-validate. Maybe it is because of the sheer size of the datasets I've been dealing with. Call me lazy, stupid, or even pretentious blank for writing an article on something I am not even using. No matter what, one ... |
How to remove blank (undefined) elements from JavaScript array - JavaScript | Suppose we have an array of literals like this −
const arr = [4, 6, , 45, 3, 345, , 56, 6];
We are required to write a JavaScript function that takes in one such array and remove all the undefined elements from the array in place. We are only required to remove the undefined and empty values and not all the falsy value... | [
{
"code": null,
"e": 1111,
"s": 1062,
"text": "Suppose we have an array of literals like this −"
},
{
"code": null,
"e": 1154,
"s": 1111,
"text": "const arr = [4, 6, , 45, 3, 345, , 56, 6];"
},
{
"code": null,
"e": 1385,
"s": 1154,
"text": "We are required to ... |
C++ Program to Check the Connectivity of Undirected Graph Using DFS | To check connectivity of a graph, we will try to traverse all nodes using any traversal algorithm. After completing the traversal, if there is any node, which is not visited, then the graph is not connected.
For the undirected graph, we will select one node and traverse from it.
In this case the traversal algorithm is ... | [
{
"code": null,
"e": 1270,
"s": 1062,
"text": "To check connectivity of a graph, we will try to traverse all nodes using any traversal algorithm. After completing the traversal, if there is any node, which is not visited, then the graph is not connected."
},
{
"code": null,
"e": 1342,
... |
LCM of factorial and its neighbors - GeeksforGeeks | 01 Apr, 2021
Given a number, we need to find LCM of the factorial of the numbers and its neighbors. If the number is N, we need to find LCM of (N-1)!, N! and (N+1)!.Here N is always greater than or equal too 1Examples :
Input : N = 5
Output : 720
Explanation
Here the given number is 5, its neighbors
are 4 and 6. T... | [
{
"code": null,
"e": 24437,
"s": 24409,
"text": "\n01 Apr, 2021"
},
{
"code": null,
"e": 24646,
"s": 24437,
"text": "Given a number, we need to find LCM of the factorial of the numbers and its neighbors. If the number is N, we need to find LCM of (N-1)!, N! and (N+1)!.Here N is a... |
Political Python. Scraping Congressional documents with... | by Ray Johns | Towards Data Science | The 2020 Democratic candidates for President will face off in debates starting Wednesday. Many of them are current or former members of Congress. All of them are vying to lead the country.
As voters, wouldn’t it be extraordinary if we had a record of everything that they had said on the floor of the Senate or the House... | [
{
"code": null,
"e": 361,
"s": 172,
"text": "The 2020 Democratic candidates for President will face off in debates starting Wednesday. Many of them are current or former members of Congress. All of them are vying to lead the country."
},
{
"code": null,
"e": 543,
"s": 361,
"text"... |
Fraud Detection in Healthcare. Identifying Suspicious Healthcare... | by Nishant Mohan | Towards Data Science | Did you know that in the US, billions are expended in frauds, waste and abuse of prescription drugs.
Also, did you know that only 20% of the healthcare providers cause 80% of the costs!?
How do I know this, you ask?
TLDR: How to identify suspicious and possibly fraudulent healthcare providers? Check out my Tableau Viz ... | [
{
"code": null,
"e": 273,
"s": 172,
"text": "Did you know that in the US, billions are expended in frauds, waste and abuse of prescription drugs."
},
{
"code": null,
"e": 359,
"s": 273,
"text": "Also, did you know that only 20% of the healthcare providers cause 80% of the costs!?... |
How to Insert Records and Do Conditional Delete for DynamoDB Using Python and Boto3 Library | by billydharmawan | Towards Data Science | It is very common to have many junk or dummy records in our DynamoDB table for testing purposes. It may be an application we are developing or even just a function. It can also be some records that our existing application generates but, actually, they have no values. Regardless of what it is, we end up creating many r... | [
{
"code": null,
"e": 516,
"s": 172,
"text": "It is very common to have many junk or dummy records in our DynamoDB table for testing purposes. It may be an application we are developing or even just a function. It can also be some records that our existing application generates but, actually, they ha... |
How to Display Data from CSV file using PHP ? - GeeksforGeeks | 14 Dec, 2020
We have given the data in CSV file format and the task is to display the CSV file data into the web browser using PHP. To display the data from CSV file to web browser, we will use fgetcsv() function.
Comma Separated Value (CSV) is a text file containing data contents. It is a comma-separated value file wi... | [
{
"code": null,
"e": 24616,
"s": 24588,
"text": "\n14 Dec, 2020"
},
{
"code": null,
"e": 24817,
"s": 24616,
"text": "We have given the data in CSV file format and the task is to display the CSV file data into the web browser using PHP. To display the data from CSV file to web bro... |
Encryption of Transposition Cipher | In the previous chapter, we have learnt about Transposition Cipher. In this chapter, let us discuss its encryption.
The main usage of pyperclip plugin in Python programming language is to perform cross platform module for copying and pasting text to the clipboard. You can install python pyperclip module using the comma... | [
{
"code": null,
"e": 2408,
"s": 2292,
"text": "In the previous chapter, we have learnt about Transposition Cipher. In this chapter, let us discuss its encryption."
},
{
"code": null,
"e": 2624,
"s": 2408,
"text": "The main usage of pyperclip plugin in Python programming language ... |
Stack.GetEnumerator Method in C# | 04 Feb, 2019
This method returns an IEnumerator that iterates through the Stack. And it comes under the System.Collections namespace.
Syntax:
public virtual System.Collections.IEnumerator GetEnumerator ();
Below programs illustrate the use of above-discussed method:
Example 1:
// C# program to illustrate the// Stack.Ge... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n04 Feb, 2019"
},
{
"code": null,
"e": 149,
"s": 28,
"text": "This method returns an IEnumerator that iterates through the Stack. And it comes under the System.Collections namespace."
},
{
"code": null,
"e": 157,
"s": 149... |
Explain Event-Driven Programming in Node.js | 19 Oct, 2021
Event-Driven Programming in Node.js: Node.js makes extensive use of events which is one of the reasons behind its speed when compared to other similar technologies. Once we start a Node.js server, it initializes the variables and functions and then listens for the occurrence of an event.
Event-driven progr... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n19 Oct, 2021"
},
{
"code": null,
"e": 342,
"s": 53,
"text": "Event-Driven Programming in Node.js: Node.js makes extensive use of events which is one of the reasons behind its speed when compared to other similar technologies. Once we s... |
Working Storage Section in COBOL | 22 Sep, 2021
Cobol is a high-level language, which has its own compiler. The COBOL compiler translates the COBOL program into an object program, which is finally executed.
To execute the COBOL program without any error, these divisions must be written in the order in which they are specified below:
In this division, ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n22 Sep, 2021"
},
{
"code": null,
"e": 188,
"s": 28,
"text": "Cobol is a high-level language, which has its own compiler. The COBOL compiler translates the COBOL program into an object program, which is finally executed. "
},
{
"... |
How to Pass Arguments to Tkinter Button Command? | 11 Aug, 2021
Tkinter is the standard GUI library for Python. Tkinter is the Python interface to the Tk GUI toolkit shipped with Python. It provides a robust and platform independent windowing toolkit, that is available to Python programmers using this package. Python when combined with Tkinter provides a fast and easy ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n11 Aug, 2021"
},
{
"code": null,
"e": 468,
"s": 52,
"text": "Tkinter is the standard GUI library for Python. Tkinter is the Python interface to the Tk GUI toolkit shipped with Python. It provides a robust and platform independent windo... |
Hamiltonian Path ( Using Dynamic Programming ) | 31 May, 2021
Given an adjacency matrix adj[][] of an undirected graph consisting of N vertices, the task is to find whether the graph contains a Hamiltonian Path or not. If found to be true, then print “Yes”. Otherwise, print “No”.
A Hamiltonian path is defined as the path in a directed or undirected graph which visits... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n31 May, 2021"
},
{
"code": null,
"e": 273,
"s": 54,
"text": "Given an adjacency matrix adj[][] of an undirected graph consisting of N vertices, the task is to find whether the graph contains a Hamiltonian Path or not. If found to be tr... |
ES6 | Loops | 31 Oct, 2019
Loops are the way to do the same task again and again in a cyclic way. A loop represents a set of instructions that must be repeated. In a loop’s context, a repetition is termed as an iteration.
The following figure illustrates the classification of loops:
Definite: There are three types of Definite loops ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n31 Oct, 2019"
},
{
"code": null,
"e": 223,
"s": 28,
"text": "Loops are the way to do the same task again and again in a cyclic way. A loop represents a set of instructions that must be repeated. In a loop’s context, a repetition is term... |
What is the aria-labelledby attribute ? | 09 Jul, 2020
The aria-labelledby attribute is an inherent attribute in hypertext markup language that’s wont to produce relationships between objects and there labels. Once any component containing each the attribute aria-labelledby and aria-label attribute the browsers high priority are going to be aria-labelledby wit... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n09 Jul, 2020"
},
{
"code": null,
"e": 619,
"s": 28,
"text": "The aria-labelledby attribute is an inherent attribute in hypertext markup language that’s wont to produce relationships between objects and there labels. Once any component c... |
How to use User model in Django? | 04 Jan, 2021
The Django’s built-in authentication system is great. For the most part we can use it out-of-the-box, saving a lot of development and testing effort. It fits most of the use cases and is very safe. But sometimes we need to do some fine adjustment so to fit our Web application. Commonly we want to store a f... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n04 Jan, 2021"
},
{
"code": null,
"e": 530,
"s": 54,
"text": "The Django’s built-in authentication system is great. For the most part we can use it out-of-the-box, saving a lot of development and testing effort. It fits most of the use ... |
Java Program to Convert OutputStream to String | 09 Dec, 2021
OutputStream is an abstract class that is available in the java.io package. As it is an abstract class in order to use its functionality we can use its subclasses. Some subclasses are FileOutputStream, ByteArrayOutputStream, ObjectOutputStream etc. And a String is nothing but a sequence of characters, use ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n09 Dec, 2021"
},
{
"code": null,
"e": 463,
"s": 28,
"text": "OutputStream is an abstract class that is available in the java.io package. As it is an abstract class in order to use its functionality we can use its subclasses. Some subcla... |
numpy.indices() function – Python | 11 Jun, 2020
numpy.indices() function return an array representing the indices of a grid. Compute an array where the subarrays contain index values 0, 1, ... varying only along the corresponding axis.
Syntax : numpy.indices(dimensions, dtype, sparse = False)
Parameters :dimensions : [sequence of ints] The shape of the ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Jun, 2020"
},
{
"code": null,
"e": 216,
"s": 28,
"text": "numpy.indices() function return an array representing the indices of a grid. Compute an array where the subarrays contain index values 0, 1, ... varying only along the corresp... |
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