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Unsupervised Learning: Image Compression In 10 Lines of R Code | by Leihua Ye, PhD | Towards Data Science | Principal Component Analysis (PCA) is a powerful Machine Learning tool. As an unsupervised learning technique, it excels in dimension reduction and feature extraction.
However, do you know we can use PCA to compress images?
In this post, I’ll walk through the process and explain how PCA can compress images in 10 lines ... | [
{
"code": null,
"e": 340,
"s": 172,
"text": "Principal Component Analysis (PCA) is a powerful Machine Learning tool. As an unsupervised learning technique, it excels in dimension reduction and feature extraction."
},
{
"code": null,
"e": 396,
"s": 340,
"text": "However, do you kn... |
Angular 6 - Forms | In this chapter, we will see how forms are used in Angular 6. We will discuss two ways of working with forms - template driven form and model driven forms.
With a template driven form, most of the work is done in the template; and with the model driven form, most of the work is done in the component class.
Let us now c... | [
{
"code": null,
"e": 2151,
"s": 1995,
"text": "In this chapter, we will see how forms are used in Angular 6. We will discuss two ways of working with forms - template driven form and model driven forms."
},
{
"code": null,
"e": 2303,
"s": 2151,
"text": "With a template driven for... |
Create a grid of cards using Bootstrap 4 .card-deck class | Use the card-deck class in Bootstrap to form a grid of cards with equal width and height.
Set the cards inside the following div −
<div class="card-deck">
<! - - deck- - >
</div>
Let us set the grid of cards now in the card-deck class −
<div class="card-deck">
<div class="card bg-primary">
<div class="card-body... | [
{
"code": null,
"e": 1152,
"s": 1062,
"text": "Use the card-deck class in Bootstrap to form a grid of cards with equal width and height."
},
{
"code": null,
"e": 1193,
"s": 1152,
"text": "Set the cards inside the following div −"
},
{
"code": null,
"e": 1243,
"s":... |
How to convert date to timestamp in MongoDB | To convert date to timestamp in MongoDB, use aggregate(). Let us create a collection with documents −
> db.demo93.insertOne({"UserName":"Chris","ArrivalDate":new ISODate("2020-10-01")});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e2d4b6479799acab037af68")
}
> db.demo93.insertOne({"UserName":"David","Arriv... | [
{
"code": null,
"e": 1164,
"s": 1062,
"text": "To convert date to timestamp in MongoDB, use aggregate(). Let us create a collection with documents −"
},
{
"code": null,
"e": 1504,
"s": 1164,
"text": "> db.demo93.insertOne({\"UserName\":\"Chris\",\"ArrivalDate\":new ISODate(\"2020... |
Python - Tkinter Relief styles | The relief style of a widget refers to certain simulated 3-D effects around the outside of the widget. Here is a screenshot of a row of buttons exhibiting all the possible relief styles −
Here is list of possible constants which can be used for relief attribute.
FLAT
RAISED
SUNKEN
GROOVE
RIDGE
from Tkinter import *
imp... | [
{
"code": null,
"e": 2432,
"s": 2244,
"text": "The relief style of a widget refers to certain simulated 3-D effects around the outside of the widget. Here is a screenshot of a row of buttons exhibiting all the possible relief styles −"
},
{
"code": null,
"e": 2507,
"s": 2432,
"te... |
Python - Tkinter Listbox | The Listbox widget is used to display a list of items from which a user can select a number of items.
Here is the simple syntax to create this widget −
w = Listbox ( master, option, ... )
master − This represents the parent window.
master − This represents the parent window.
options − Here is the list of most commonly... | [
{
"code": null,
"e": 2346,
"s": 2244,
"text": "The Listbox widget is used to display a list of items from which a user can select a number of items."
},
{
"code": null,
"e": 2396,
"s": 2346,
"text": "Here is the simple syntax to create this widget −"
},
{
"code": null,
... |
How to tune multiple ML models with GridSearchCV at once? | by Satyam Kumar | Towards Data Science | Model selection is an essential component for a data science model development pipeline. After performing feature engineering the data scientist needs to choose the model with the best set of hyperparameters that performs best for the training dataset. There are various Auto-ML libraries that automate the model selecti... | [
{
"code": null,
"e": 506,
"s": 172,
"text": "Model selection is an essential component for a data science model development pipeline. After performing feature engineering the data scientist needs to choose the model with the best set of hyperparameters that performs best for the training dataset. Th... |
Solidity - Loop Control | Solidity provides full control to handle loops and switch statements. There may be a situation when you need to come out of a loop without reaching its bottom. There may also be a situation when you want to skip a part of your code block and start the next iteration of the loop.
To handle all such situations, Solidity ... | [
{
"code": null,
"e": 2835,
"s": 2555,
"text": "Solidity provides full control to handle loops and switch statements. There may be a situation when you need to come out of a loop without reaching its bottom. There may also be a situation when you want to skip a part of your code block and start the n... |
Difference between Increment and Decrement Operators - GeeksforGeeks | 07 Apr, 2020
Programming languages like C/C++/Java have increment and decrement operators. These are very useful and common operators.
Increment Operators: The increment operator is used to increment the value of a variable in an expression. In the Pre-Increment, value is first incremented and then used inside the expr... | [
{
"code": null,
"e": 25180,
"s": 25152,
"text": "\n07 Apr, 2020"
},
{
"code": null,
"e": 25302,
"s": 25180,
"text": "Programming languages like C/C++/Java have increment and decrement operators. These are very useful and common operators."
},
{
"code": null,
"e": 2739... |
How to Set the Location of the Label in C#? - GeeksforGeeks | 30 Jun, 2019
In Windows Forms, Label control is used to display text on the form and it does not take part in user input or in mouse or keyboard events. You are allowed to set the location of the Label control using the Location Property in the windows form. This property contains the coordinates of the upper-left corn... | [
{
"code": null,
"e": 25237,
"s": 25209,
"text": "\n30 Jun, 2019"
},
{
"code": null,
"e": 25670,
"s": 25237,
"text": "In Windows Forms, Label control is used to display text on the form and it does not take part in user input or in mouse or keyboard events. You are allowed to set ... |
Python PIL | Image.save() method - GeeksforGeeks | 17 Jul, 2019
PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The Image module provides a class with the same name which is used to represent a PIL image. The module also provides a number of factory functions, including functions to load images from files, and to... | [
{
"code": null,
"e": 25655,
"s": 25627,
"text": "\n17 Jul, 2019"
},
{
"code": null,
"e": 25982,
"s": 25655,
"text": "PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The Image module provides a class with the same name which... |
How to Iterate through Collection Objects in Java? - GeeksforGeeks | 07 Jan, 2021
Any group of individual objects which are represented as a single unit is known as the Collection of the objects. In Java, a separate framework named the “Collection Framework” has been defined in JDK 1.2 which holds all the collection classes and interface in it.
The Collection interface (java.util.Collec... | [
{
"code": null,
"e": 26107,
"s": 26079,
"text": "\n07 Jan, 2021"
},
{
"code": null,
"e": 26372,
"s": 26107,
"text": "Any group of individual objects which are represented as a single unit is known as the Collection of the objects. In Java, a separate framework named the “Collecti... |
DecimalFormat setRoundingMode() method in Java - GeeksforGeeks | 01 Apr, 2019
The setRoundingMode() method is a built-in method of the java.text.DecimalFomrat class in Java and is used to set the RoundingMode to be used with this DecimalFormat instance to round-off the decimal digits.
Syntax:
public void setRoundingMode(RoundingMode roundingMode)
Parameters: The function accepts a ... | [
{
"code": null,
"e": 25823,
"s": 25795,
"text": "\n01 Apr, 2019"
},
{
"code": null,
"e": 26031,
"s": 25823,
"text": "The setRoundingMode() method is a built-in method of the java.text.DecimalFomrat class in Java and is used to set the RoundingMode to be used with this DecimalForm... |
How to Remove columns in Numpy array that contains non-numeric values? - GeeksforGeeks | 25 Oct, 2020
Many times we have non-numeric values in NumPy array. These values need to be removed, so that array will be free from all these unnecessary values and look more decent. It is possible to remove all columns containing Nan values using the Bitwise NOT operator and np.isnan() function.
Example 1:
Python3
# I... | [
{
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"text": "\n25 Oct, 2020"
},
{
"code": null,
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"s": 25537,
"text": "Many times we have non-numeric values in NumPy array. These values need to be removed, so that array will be free from all these unnecessary values and look more d... |
numpy.tril_indices() function | Python - GeeksforGeeks | 22 Apr, 2020
numpy.tril_indices() function return the indices for the lower-triangle of an (n, m) array.
Syntax : numpy.tril_indices(n, k = 0, m = None)Parameters :n : [int] The row dimension of the arrays for which the returned indices will be valid.k : [int, optional] Diagonal offset.m : [int, optional] The column di... | [
{
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"text": "\n22 Apr, 2020"
},
{
"code": null,
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"s": 25537,
"text": "numpy.tril_indices() function return the indices for the lower-triangle of an (n, m) array."
},
{
"code": null,
"e": 26097,
"s": 25629,
"text":... |
How to select all even/odd rows in table using jQuery ? - GeeksforGeeks | 12 Aug, 2021
In this article, we will see how to make a table by selecting the alternate rows i.e. selecting the even or odd rows by clicking on the respective buttons. This feature can be useful at the time of selecting the specific data/elements of either of the rows or to highlight the table of data for display from... | [
{
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"s": 26678,
"text": "\n12 Aug, 2021"
},
{
"code": null,
"e": 27324,
"s": 26706,
"text": "In this article, we will see how to make a table by selecting the alternate rows i.e. selecting the even or odd rows by clicking on the respective buttons. This fe... |
Software Engineering | COCOMO Model - GeeksforGeeks | 15 Feb, 2022
Cocomo (Constructive Cost Model) is a regression model based on LOC, i.e number of Lines of Code. It is a procedural cost estimate model for software projects and is often used as a process of reliably predicting the various parameters associated with making a project such as size, effort, cost, time, and ... | [
{
"code": null,
"e": 28627,
"s": 28599,
"text": "\n15 Feb, 2022"
},
{
"code": null,
"e": 29074,
"s": 28627,
"text": "Cocomo (Constructive Cost Model) is a regression model based on LOC, i.e number of Lines of Code. It is a procedural cost estimate model for software projects and ... |
JQuery hasData() method - GeeksforGeeks | 16 Jul, 2020
This hasData() method in JQuery is used to determine whether an element has any jQuery data associated with it. This data may be text, event associated with element. There are two examples discussed below:
Syntax:
jQuery.hasData(element)
Arguments:
element: This parameter is a DOM element which is to be c... | [
{
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"text": "\n16 Jul, 2020"
},
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"code": null,
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"text": "This hasData() method in JQuery is used to determine whether an element has any jQuery data associated with it. This data may be text, event associated with elemen... |
Java Program to Delete a directory - GeeksforGeeks | 02 Nov, 2020
The class named java.io.File represents a file or directory (path names) in the system. This class provides methods to perform various operations on files/directories.
The delete() method of the File class deletes the files and empty directory represented by the current File object. If a directory is not e... | [
{
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"s": 25222,
"text": "\n02 Nov, 2020"
},
{
"code": null,
"e": 25418,
"s": 25250,
"text": "The class named java.io.File represents a file or directory (path names) in the system. This class provides methods to perform various operations on files/director... |
Java | Functions | Question 3 - GeeksforGeeks | 28 Jun, 2021
class Test {public static void swap(Integer i, Integer j) { Integer temp = new Integer(i); i = j; j = temp; } public static void main(String[] args) { Integer i = new Integer(10); Integer j = new Integer(20); swap(i, j); System.out.println("i = " + i + ", j = " + j); ... | [
{
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"text": "\n28 Jun, 2021"
},
{
"code": "class Test {public static void swap(Integer i, Integer j) { Integer temp = new Integer(i); i = j; j = temp; } public static void main(String[] args) { Integer i = new Integer(10); Inte... |
Difference between Append, Extend and Insert in Python - GeeksforGeeks | 05 Jul, 2021
Lists are just like dynamically sized arrays, declared in other languages (vector in C++ and ArrayList in Java). Lists need not be homogeneous always which makes it the most powerful tool in Python. A single list may contain DataTypes like Integers, Strings, as well as Objects.
Lists are mutable, and henc... | [
{
"code": null,
"e": 26128,
"s": 26100,
"text": "\n05 Jul, 2021"
},
{
"code": null,
"e": 26408,
"s": 26128,
"text": "Lists are just like dynamically sized arrays, declared in other languages (vector in C++ and ArrayList in Java). Lists need not be homogeneous always which makes i... |
How to hide axis titles in plotly express figure with facets in Python? - GeeksforGeeks | 28 Nov, 2021
In this article, we will learn how to hide axis titles in a plotly express figure with facets in Python.
We can hide the axis by setting the axis title as blank by iterating through for loop. We are hiding the axis only for X-axis and Y-axis so we have to compare this condition in each iteration
Syntax:
... | [
{
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"text": "\n28 Nov, 2021"
},
{
"code": null,
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"text": "In this article, we will learn how to hide axis titles in a plotly express figure with facets in Python. "
},
{
"code": null,
"e": 25835,
"s": 2564... |
Bubble Plots in Matplotlib. Learn to plot bubble plots with... | by Rashida Nasrin Sucky | Towards Data Science | Bubble plots are an improved version of the scatter plot. In a scatter plot, there are two dimensions x, and y. In a bubble plot, there are three dimensions x, y, and z. Where the third dimension z denotes weight. That way, bubble plots give more information visually than a two dimensional scatter plot.
For this tutori... | [
{
"code": null,
"e": 477,
"s": 172,
"text": "Bubble plots are an improved version of the scatter plot. In a scatter plot, there are two dimensions x, and y. In a bubble plot, there are three dimensions x, y, and z. Where the third dimension z denotes weight. That way, bubble plots give more informat... |
Build XGBoost / LightGBM models on large datasets — what are the possible solutions? | by Shiu-Tang Li | Towards Data Science | XGBoost and LightGBM have been dominating all recent kaggle competitions for tabular data. Simply go to any competition page (tabular data) and check out the kernels and you’ll see. In these competitions, the data is not ‘huge’ — well, don’t tell me the data you’re handling is huge if it can be trained on your laptop. ... | [
{
"code": null,
"e": 581,
"s": 171,
"text": "XGBoost and LightGBM have been dominating all recent kaggle competitions for tabular data. Simply go to any competition page (tabular data) and check out the kernels and you’ll see. In these competitions, the data is not ‘huge’ — well, don’t tell me the d... |
SQL | EXISTS - GeeksforGeeks | 27 Apr, 2017
The EXISTS condition in SQL is used to check whether the result of a correlated nested query is empty (contains no tuples) or not. The result of EXISTS is a boolean value True or False. It can be used in a SELECT, UPDATE, INSERT or DELETE statement.
Syntax:
SELECT column_name(s)
FROM table_name
WHERE EXIS... | [
{
"code": null,
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"s": 25648,
"text": "\n27 Apr, 2017"
},
{
"code": null,
"e": 25926,
"s": 25676,
"text": "The EXISTS condition in SQL is used to check whether the result of a correlated nested query is empty (contains no tuples) or not. The result of EXISTS is a boolea... |
Predicting Titanic Survivors (A Kaggle Competition) | by Auggie Heschmeyer | Towards Data Science | The purpose of this case study is to document the process I went through to create my predictions for submission in my first Kaggle competition, Titanic: Machine Learning from Disaster. For the uninitiated, Kaggle is a popular data science website that houses thousands of public datasets, offers courses and generally s... | [
{
"code": null,
"e": 773,
"s": 171,
"text": "The purpose of this case study is to document the process I went through to create my predictions for submission in my first Kaggle competition, Titanic: Machine Learning from Disaster. For the uninitiated, Kaggle is a popular data science website that ho... |
Difference between passing pointer to pointer and address of pointer to any function - GeeksforGeeks | 26 Apr, 2021
In this article, the differences between passing “pointer to pointer” and “address of pointer” to a function. In C or C++ Programming Language, it is known that pointers hold the address of the variables or any memory location. If pointers are pointed to the memory location, it can be used to change the va... | [
{
"code": null,
"e": 25367,
"s": 25339,
"text": "\n26 Apr, 2021"
},
{
"code": null,
"e": 25695,
"s": 25367,
"text": "In this article, the differences between passing “pointer to pointer” and “address of pointer” to a function. In C or C++ Programming Language, it is known that po... |
How to convert a string in to a function in JavaScript? | To convert a string in to function "eval()" method should be used. This method takes a string as a parameter and converts it into a function.
eval(string);
In the following example, in a string itself, a property called 'age' is assigned with a function. Later on, using eval() function the property age is converted int... | [
{
"code": null,
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"text": "To convert a string in to function \"eval()\" method should be used. This method takes a string as a parameter and converts it into a function."
},
{
"code": null,
"e": 1218,
"s": 1204,
"text": "eval(string);"
},
{
"code": nu... |
Material Design Lite - Checkboxes | MDL provides a range of CSS classes to apply various predefined visual and behavioral
enhancements and display the different types of checkboxes. The following table lists down
the available classes and their effects.
mdl-checkbox
Identifies label as an MDL component and is required on label element.
mdl-js-checkbox
Se... | [
{
"code": null,
"e": 2104,
"s": 1886,
"text": "MDL provides a range of CSS classes to apply various predefined visual and behavioral\nenhancements and display the different types of checkboxes. The following table lists down\nthe available classes and their effects."
},
{
"code": null,
"... |
Two water Jug problem | Practice | GeeksforGeeks | You are at the side of a river. You are given a m litre jug and a n litre jug where 0 < m < n. Both the jugs are initially empty. The jugs don’t have markings to allow measuring smaller quantities. You have to use the jugs to measure d litres of water where d < n. Determine the minimum no of operations to be performed ... | [
{
"code": null,
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"s": 238,
"text": "You are at the side of a river. You are given a m litre jug and a n litre jug where 0 < m < n. Both the jugs are initially empty. The jugs don’t have markings to allow measuring smaller quantities. You have to use the jugs to measure d litres of water whe... |
Sort Dataframe according to row frequency in Pandas | 24 Feb, 2021
In this article, we will discuss how to use count() and sort_values() in pandas. So the count in pandas counts the frequency of elements in the dataframe column and then sort sorts the dataframe according to element frequency.
count(): This method will show you the number of values for each column in your ... | [
{
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"text": "\n24 Feb, 2021"
},
{
"code": null,
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"s": 28,
"text": "In this article, we will discuss how to use count() and sort_values() in pandas. So the count in pandas counts the frequency of elements in the dataframe column and then sort ... |
Python NLTK | nltk.tokenizer.word_tokenize() | 12 Jun, 2019
With the help of nltk.tokenize.word_tokenize() method, we are able to extract the tokens from string of characters by using tokenize.word_tokenize() method. It actually returns the syllables from a single word. A single word can contain one or two syllables.
Syntax : tokenize.word_tokenize()Return : Return... | [
{
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},
{
"code": null,
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"text": "With the help of nltk.tokenize.word_tokenize() method, we are able to extract the tokens from string of characters by using tokenize.word_tokenize() method. It actually retur... |
Matplotlib.axes.Axes.remove() in Python | 19 Apr, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text, Polygon, etc., and sets the coordinate system. And the instances of Axes supports callbacks through a callbacks attribute.
The Axe... | [
{
"code": null,
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"s": 0,
"text": "\n19 Apr, 2020"
},
{
"code": null,
"e": 328,
"s": 28,
"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text... |
Express.js req.query Property | 08 Jul, 2020
The req.query property is an object containing the property for each query string parameter in the route.
Syntax:
req.query
Parameter: No parameters.
Return Value: String
Installation of express module:
You can visit the link to Install express module. You can install this package by using this command.npm... | [
{
"code": null,
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"text": "\n08 Jul, 2020"
},
{
"code": null,
"e": 158,
"s": 52,
"text": "The req.query property is an object containing the property for each query string parameter in the route."
},
{
"code": null,
"e": 166,
"s": 158,
"text": ... |
Inshackle – Tool for Instagram Hacks in Kali Linux | 13 Jun, 2022
Inshackle – Instagram Hacks: is an open-source intelligence tool available freely on GitHub. Inshackle is written in bash language. Inshackle is used to perform reconnaissance on Instagram accounts and profiles. Inshackle is very helpful when you want to get information about any Instagram profile that ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n13 Jun, 2022"
},
{
"code": null,
"e": 713,
"s": 52,
"text": "Inshackle – Instagram Hacks: is an open-source intelligence tool available freely on GitHub. Inshackle is written in bash language. Inshackle is used to perform reconnaissa... |
HTML DOM Window localStorage Properties | 25 Nov, 2021
HTML DOM Window localStorage Properties allow you to store value pairs in web browsers using objects. It is a read-only
property. This object is not expired even if the browser is closed. So, the data is never lost.
Return Values: It returns a Storage object.
Syntax:
SAVING data to localStorage using:loca... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n25 Nov, 2021"
},
{
"code": null,
"e": 148,
"s": 28,
"text": "HTML DOM Window localStorage Properties allow you to store value pairs in web browsers using objects. It is a read-only"
},
{
"code": null,
"e": 244,
"s": 148,... |
Longest increasing subarray | 19 Jan, 2022
Given an array containing n numbers. The problem is to find the length of the longest contiguous subarray such that every element in the subarray is strictly greater than its previous element in the same subarray. Time Complexity should be O(n).
Examples:
Input : arr[] = {5, 6, 3, 5, 7, 8, 9, 1, 2}
Outpu... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n19 Jan, 2022"
},
{
"code": null,
"e": 298,
"s": 52,
"text": "Given an array containing n numbers. The problem is to find the length of the longest contiguous subarray such that every element in the subarray is strictly greater than its... |
Extracting Image Metadat using Exif Tool in Linux | 12 Mar, 2021
Exif stands for Exchangeable image file format. It is a standard that specifies the formats for images, sound, and ancillary tags used by cameras, scanners, and other systems handling image and sound files recorded by cameras. Developed by Japan Electronic Industries Development Association (JEIDA).
Metada... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n12 Mar, 2021"
},
{
"code": null,
"e": 329,
"s": 28,
"text": "Exif stands for Exchangeable image file format. It is a standard that specifies the formats for images, sound, and ancillary tags used by cameras, scanners, and other systems ... |
Generate all rotations of a number | 23 Jun, 2022
Given an integer n, the task is to generate all the left shift numbers possible. A left shift number is a number that is generated when all the digits of the number are shifted one position to the left and the digit at the first position is shifted to the last.Examples:
Input: n = 123 Output: 231 312Inpu... | [
{
"code": null,
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"s": 26,
"text": "\n23 Jun, 2022"
},
{
"code": null,
"e": 327,
"s": 54,
"text": "Given an integer n, the task is to generate all the left shift numbers possible. A left shift number is a number that is generated when all the digits of the number are shift... |
Python – Escape reserved characters in Strings List | 09 Jul, 2021
Given List of Strings, escape reserved characters in each String.
Input : test_list = [“Gf-g”, “be)s(t”] Output : [‘Gf\\-g’, ‘be\\)s\\(t’] Explanation : All reserved character elements escaped, by adding double \\.
Input : test_list = [“Gf-g”] Output : [‘Gf\\-g’] Explanation : All reserved character elemen... | [
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How To Reset Identity Column Values In SQL | 11 May, 2022
Identity column of a table is a column whose value increases automatically. A user generally cannot insert a value into an identity column. A table can have only one column that is defined with the identity attribute.
Syntax :
IDENTITY [ ( seed , increment ) ]
Default value of identity is IDENTITY (1,1).
S... | [
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Python | Uncommon elements in Lists of List | 16 Aug, 2021
This particular article aims at achieving the task of finding uncommon two list, in which each element is in itself a list. This is also a useful utility as this kind of task can come in life of programmer if he is in the world of development. Lets discuss some ways to achieve this task.
Method 1 : Naive M... | [
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Shell Script to Read Data From a File | 20 Apr, 2021
File reading is quite an important task in a Programmer’s life as it makes some tasks quite comfortable and automates certain repetitive and time-consuming things. File reading is quite an interesting concept to learn as it gives insight into quite a lot of things that can be done in the Programming world.... | [
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"text": "File reading is quite an important task in a Programmer’s life as it makes some tasks quite comfortable and automates certain repetitive and time-consuming things. File readi... |
SQL Query to Find the Sum of all Values in a Column | 13 Apr, 2021
In this article, we will look into the process of querying the sum of all values in a column of a database table. But before finding the sum of all values in a column, let us create a table with some columns and data. In this article, we will be using the Microsoft SQL Server as our database.
Use the belo... | [
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Find if a number is part of AP whose first element and difference are given | 27 Sep, 2021
Given three non-negative integers a, d and x. Here, a is the first element, d is the difference of an AP (Arithmetic Progression). We need to find if x is part of the given AP or not.
Examples :
Input : a = 1, d = 3, x = 7
Output : Yes
7 is part of given AP, 1 + 3 + 3 = 7
Input : a = 10, d = 0, x = 10
Ou... | [
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"text": "Given three non-negative integers a, d and x. Here, a is the first element, d is the difference of an AP (Arithmetic Progression). We need to find if x is part of the given A... |
Reverse array in groups | Practice | GeeksforGeeks | Given an array arr[] of positive integers of size N. Reverse every sub-array group of size K.
Example 1:
Input:
N = 5, K = 3
arr[] = {1,2,3,4,5}
Output: 3 2 1 5 4
Explanation: First group consists of elements
1, 2, 3. Second group consists of 4,5.
Example 2:
Input:
N = 4, K = 3
arr[] = {5,6,8,9}
Output: 8 6 5 9
... | [
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"text": "Example 1:"
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Get name of current method being executed in Java | 08 Nov, 2018
Getting name of currently executing method is useful for handling exceptions and debugging purposes.Below are different methods to get currently executing method :
Using Throwable Stack Trace :Using Throwable Class : In Java, Throwable class is the superclass of all exceptions and errors in java.lang packa... | [
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"text": "Getting name of currently executing method is useful for handling exceptions and debugging purposes.Below are different methods to get currently executing method :"
},
{
... |
Instance variable as final in Java | 21 Sep, 2017
Instance variable: As we all know that when the value of variable is varied from object to object then that type of variable is known as instance variable. The instance variable is declared inside a class but not within any method, constructor, block etc. If we don’t initialize an instance variable, then J... | [
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"text": "Instance variable: As we all know that when the value of variable is varied from object to object then that type of variable is known as instance variable. The instance varia... |
Pseudo Random Number Generator (PRNG) | 06 Sep, 2019
Pseudo Random Number Generator(PRNG) refers to an algorithm that uses mathematical formulas to produce sequences of random numbers. PRNGs generate a sequence of numbers approximating the properties of random numbers.
A PRNG starts from an arbitrary starting state using a seed state. Many numbers are genera... | [
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"text": "Pseudo Random Number Generator(PRNG) refers to an algorithm that uses mathematical formulas to produce sequences of random numbers. PRNGs generate a sequence of numbers appro... |
In-Place Merge Sort | 16 Jun, 2022
Implement Merge Sort i.e. standard implementation keeping the sorting algorithm as in-place. In-place means it does not occupy extra memory for merge operation as in the standard case.
Examples:
Input: arr[] = {2, 3, 4, 1} Output: 1 2 3 4
Input: arr[] = {56, 2, 45} Output: 2 45 56
Approach 1:
Maintain tw... | [
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"text": "Implement Merge Sort i.e. standard implementation keeping the sorting algorithm as in-place. In-place means it does not occupy extra memory for merge operation as in the stan... |
C# | Operators | 09 Jul, 2021
Operators are the foundation of any programming language. Thus the functionality of C# language is incomplete without the use of operators. Operators allow us to perform different kinds of operations on operands. In C#, operators Can be categorized based upon their different functionality :
Arithmetic Oper... | [
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"text": "Operators are the foundation of any programming language. Thus the functionality of C# language is incomplete without the use of operators. Operators allow us to perform diff... |
How to load external HTML file using jQuery ? | 22 Apr, 2021
In this article, we will learn how to load an external HTML file into a div element.
The following jQuery functions are used in the example codes.
ready(): The ready event occurs when the DOM (document object model) has been loaded.
load(): The load() method loads data from a server and gets the returned ... | [
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How to rotate a text 360 degrees on hover using HTML and CSS? | 20 May, 2021
The Text can be rotated 360 degrees using basic HTML and CSS, this animation can be used as a heading or subheadings in the website to make it look more attractive. The below sections will guide you on how to create the desired effect.
HTML Code: In this section we will create a basic div element which wil... | [
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"text": "The Text can be rotated 360 degrees using basic HTML and CSS, this animation can be used as a heading or subheadings in the website to make it look more attractive. The below... |
WheelView in Android | 30 Apr, 2021
In this article, WheelView is added in android. WheelView provides a very impressive UI that allows the developer to create a Wheel and add items according to his need. Some important tags provided by WheelView are wheelArcBackgroundColor, wheelAnchorAngle, wheelStartAngle, wheelMode, wheelCenterIcon, and ... | [
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"text": "In this article, WheelView is added in android. WheelView provides a very impressive UI that allows the developer to create a Wheel and add items according to his need. Some ... |
JavaScript | encodeURI(), decodeURI() and its components functions | 14 Feb, 2019
Encoding and Decoding URI and URI components is a usual task in web development while making a GET request to API with query params. Many times construct a URL string with query params and in order to understand it, the response server needs to decode this URL. Browsers automatically encode the URL i.e. it... | [
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"text": "Encoding and Decoding URI and URI components is a usual task in web development while making a GET request to API with query params. Many times construct a URL string with qu... |
Python | Add comma between numbers | 01 Jul, 2019
Sometimes, while working with currencies, we need to put commas between numbers to represent a currency, hence given a string, we can have a problem to insert commas into them. Let’s discuss certain ways in which this task can be performed.
Method #1 : Using str.format()The string format function can be us... | [
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"text": "Sometimes, while working with currencies, we need to put commas between numbers to represent a currency, hence given a string, we can have a problem to insert commas into the... |
Java toRadians() method with Example | 11 Aug, 2021
The java.lang.Math.toRadians() is used to convert an angle measured in degrees to an approximately equivalent angle measured in radians. Note: The conversion from degrees to radian is generally inexact.
Syntax:
public static double toRadians(double deg)
Parameter:
deg : This parameter is an angle in de... | [
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Complement of a number with any base b | 07 Jul, 2021
One’s Complement of an Integer
1’s and 2’s complement of a Binary Number
In this post, a general method of finding complement with any arbitrary base is discussed.Steps to find (b-1)’s complement: To find (b-1)’s complement,
Subtract each digit of the number from the largest number in the number system w... | [
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"text": "1’s and 2’s complement of a Binary Number"
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{
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Validate an IP address using Python without using RegEx | 13 Apr, 2022
Given an IP address as input, the task is to write a Python program to check whether the given IP Address is Valid or not without using RegEx.
What is an IP (Internet Protocol) Address? Every computer connected to the Internet is identified by a unique four-part string, known as its Internet Protocol (IP) ... | [
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"text": "Given an IP address as input, the task is to write a Python program to check whether the given IP Address is Valid or not without using RegEx."
},
{
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Program to print modified Binary triangle pattern | 12 Nov, 2021
Given an integer N, the task is to print the modified binary tree pattern.
In Modified Binary Triangle Pattern, the first and last element of a Nth row are 1 and the middle (N – 2) elements are 0.
Examples:
Input: N = 6 Output: 1 11 101 1001 10001 100001Input: N = 3 Output: 1 11 101
Approach: From t... | [
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"text": "Given an integer N, the task is to print the modified binary tree pattern. "
},
{
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Click button by text using Python and Selenium | 03 Mar, 2021
Selenium is a tool that provides APIs to automate a web application to aid in its testing. In this article, we discuss the use of Selenium Python API bindings to access the Selenium WebDrivers to click a button by text present in the button. In the following example, we take the help of Chrome. The method ... | [
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"text": "Selenium is a tool that provides APIs to automate a web application to aid in its testing. In this article, we discuss the use of Selenium Python API bindings to access the S... |
Tailwind CSS Container | 23 Mar, 2022
In Tailwind CSS, a container is used to fix the max-width of an element to match the min-width of the breakpoint. It comes very handy when content has to be displayed in a responsive manner to every breakpoint.
Breakpoints in tailwind CSS are as follows.
Tailwind CSS does not center itself automatically an... | [
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{
"code": null,
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"text": "In Tailwind CSS, a container is used to fix the max-width of an element to match the min-width of the breakpoint. It comes very handy when content has to be displayed in a re... |
Sum of product of all pairs of array elements | 14 Aug, 2021
Given an array A[] of integers find sum of product of all pairs of array elements i. e., we need to find of product after execution of following pseudo code
product = 0
for i = 1:n
for j = i+1:n
product = product + A[i]*A[j]
Examples:
Input : A[] = {1, 3, 4}
Output : 19
Possible Pairs : (1,3)... | [
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{
"code": null,
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"text": "Given an array A[] of integers find sum of product of all pairs of array elements i. e., we need to find of product after execution of following pseudo code "
},
{
"c... |
Finding power of prime number p in n! | 23 Jun, 2022
Given a number ‘n’ and a prime number ‘p’. We need to find out the power of ‘p’ in the prime factorization of n!Examples:
Input : n = 4, p = 2
Output : 3
Power of 2 in the prime factorization
of 2 in 4! = 24 is 3
Input : n = 24, p = 2
Output : 22
Naive approach The naive approach i... | [
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"text": "Given a number ‘n’ and a prime number ‘p’. We need to find out the power of ‘p’ in the prime factorization of n!Examples: "
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Difference Between insert(), insertOne(), and insertMany() in Pymongo | 19 Jan, 2022
MongoDB is a NoSql Database that can be used to store data required by different applications. Python can be used to access MongoDB databases. Python requires a driver to access the databases. PyMongo enables interacting with MongoDB database from Python applications. The pymongo package acts as a native P... | [
{
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{
"code": null,
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"text": "MongoDB is a NoSql Database that can be used to store data required by different applications. Python can be used to access MongoDB databases. Python requires a driver to acce... |
Insertion Sort Visualization using Matplotlib in Python | 28 Jul, 2020
Prerequisites: Insertion Sort, Using Matplotlib for Animations
Visualizing algorithms makes it easier to understand them by analyzing and comparing the number of operations that took place to compare and swap the elements. For this we will use matplotlib, to plot bar graphs to represent the elements of the... | [
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},
{
"code": null,
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"text": "Visualizing algorithms makes it easier to und... |
JCL - Conditional Processing | The Job Entry System uses two approaches to perform conditional processing in a JCL. When a job completes, a return code is set based on the status of execution. The return code can be a number between 0 (successful execution) to 4095 (non-zero shows error condition). The most common conventional values are:
0 = Normal... | [
{
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"text": "The Job Entry System uses two approaches to perform conditional processing in a JCL. When a job completes, a return code is set based on the status of execution. The return code can be a number between 0 (successful execution) to 4095 (non-zero shows er... |
Node.js request.socket Property - GeeksforGeeks | 01 Sep, 2020
The request.socket (Added in v0.3.0) property is an inbuilt property of the ‘http’ module which references to the underlying socket and most users don’t get access to this property. Particularly, the socket doesn’t emit ‘readable‘ events but, the socket could be accessed via request.connection. This proper... | [
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"code": null,
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"text": "The request.socket (Added in v0.3.0) property is an inbuilt property of the ‘http’ module which references to the underlying socket and most users don’t get access... |
How to create the Azure Storage context using PowerShell? | Storage context is helpful when you are working with the Storage accounts in the PowerShell session. It is like authenticating for Azure storage. Generally, we use the Azure storage account key and the connection string to create the Azure storage context.
To create a new storage context, we need to use the New-AzStora... | [
{
"code": null,
"e": 1319,
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"text": "Storage context is helpful when you are working with the Storage accounts in the PowerShell session. It is like authenticating for Azure storage. Generally, we use the Azure storage account key and the connection string to create the Azure storage conte... |
AWK - Output Redirection | So far, we displayed data on standard output stream. We can also redirect data to a file. A redirection appears after the print or printf statement. Redirections in AWK are written just like redirection in shell commands, except that they are written inside the AWK program. This chapter explains redirection with suitab... | [
{
"code": null,
"e": 2190,
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"text": "So far, we displayed data on standard output stream. We can also redirect data to a file. A redirection appears after the print or printf statement. Redirections in AWK are written just like redirection in shell commands, except that they are written in... |
Check if all substrings of length K of a Binary String has equal count of 0s and 1s - GeeksforGeeks | 17 May, 2021
Given a binary string S of length N and an even integer K, the task is to check if all substrings of length K contains an equal number of 0s and 1s. If found to be true, print “Yes”. Otherwise, print “No”.
Examples:
Input: S = “101010”, K = 2Output: YesExplanation:Since all the substrings of length 2 has e... | [
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{
"code": null,
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"text": "Given a binary string S of length N and an even integer K, the task is to check if all substrings of length K contains an equal number of 0s and 1s. If found to be... |
How to get a list of MySQL views? | To get a list of MySQL views, we can use the SELECT command with LIKE operator. Let us see the syntax first.
mysql> SELECT TABLE_SCHEMA, TABLE_NAME
-> FROM information_schema.tables
-> WHERE TABLE_TYPE LIKE 'VIEW';
The following is the output that displays the total number of views.
+--------------+--------------... | [
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How to Update Data to SQLite Database in Android? - GeeksforGeeks | 25 Feb, 2021
We have seen How to Create and Add Data to SQLite Database in Android as well as How to Read Data from SQLite Database in Android. We have performed different SQL queries for reading and writing our data to SQLite database. In this article, we will take a look at updating data to SQLite database in Android... | [
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"code": null,
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"text": "We have seen How to Create and Add Data to SQLite Database in Android as well as How to Read Data from SQLite Database in Android. We have performed different SQL ... |
Numbers in C++ | Normally, when we work with Numbers, we use primitive data types such as int, short, long, float and double, etc. The number data types, their possible values and number ranges have been explained while discussing C++ Data Types.
You have already defined numbers in various examples given in previous chapters. Here is a... | [
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},
{
"code": n... |
How to Mount a Directory Inside a Docker Container | by Mahbub Zaman | Towards Data Science | It works on my machine, let’s ship your machine then! That’s Docker in a nutshell. It allows us to run an application from a Docker image on any computer by using containerization technology. A Docker container is a package of a Base OS (alpine, ubuntu, etc.) and other necessary software dependencies, which you can def... | [
{
"code": null,
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"text": "It works on my machine, let’s ship your machine then! That’s Docker in a nutshell. It allows us to run an application from a Docker image on any computer by using containerization technology. A Docker container is a package of a Base OS (alpine, ubuntu, e... |
Apache Pig - MAX() | The Pig Latin MAX() function is used to calculate the highest value for a column (numeric values or chararrays) in a single-column bag. While calculating the maximum value, the Max() function ignores the NULL values.
Note −
To get the global maximum value, we need to perform a Group All operation, and calculate the max... | [
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},
{
"code": null,
"e":... |
Online JSON Editor | Editable JSON Code
12345678910111213141516{ "Company": { "Employee": { "FirstName": "Tanmay", "LastName": "Patil", "ContactNo": "1234567890", "Email": "tanmaypatil@xyz.com", "Address": { "City": "Bangalore", "State": "Karnata... | [
{
"code": null,
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},
{
"code": null,
"e": 385,
"s": 19,
"text": "12345678910111213141516{ \"Company\": { \"Employee\": { \"FirstName\": \"Tanmay\", \"LastName\": \"Patil\", \"ContactNo\": \"123... |
Non-negative Integers without Consecutive Ones in C++ | Suppose we have a positive integer n. We have to find the non-negative integers less than or equal to n. The constraint is that the binary representation will not contain consecutive ones. So if the input is 7, then the answer will be 5, as binary representation of 5 is 101.
To solve this, we will follow these steps −
... | [
{
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"text": "Suppose we have a positive integer n. We have to find the non-negative integers less than or equal to n. The constraint is that the binary representation will not contain consecutive ones. So if the input is 7, then the answer will be 5, as binary repre... |
An end-to-end machine learning project with Python Pandas, Keras, Flask, Docker and Heroku | by Ryan Lamb | Towards Data Science | At the time of the Rugby World Cup in 2019 I did a small data science project to try and predict rugby match results, which I wrote about here. I’ve expanded this into an example end-to-end machine learning project to demonstrate how to deploy a machine learning model as an interactive web app.
To provide a high-level ... | [
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"e": 467,
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"text": "At the time of the Rugby World Cup in 2019 I did a small data science project to try and predict rugby match results, which I wrote about here. I’ve expanded this into an example end-to-end machine learning project to demonstrate how to deploy a machine l... |
How to open an activity after receiving a PUSH notification in Android? | This example demonstrate about How to open an activity after receiving a PUSH notification in Android
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to src/MyFirebaseMessagingService.java
package app.tutori... | [
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},
{
"code": null,
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"s": 1164,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fi... |
html.unescape() in Python - GeeksforGeeks | 22 Apr, 2020
With the help of html.unescape() method, we can convert the ascii string into html script by replacing ascii characters with special characters by using html.escape() method.
Syntax : html.unescape(String)
Return : Return a html script.
Example #1 :In this example we can see that by using html.unescape() m... | [
{
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},
{
"code": null,
"e": 24204,
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"text": "With the help of html.unescape() method, we can convert the ascii string into html script by replacing ascii characters with special characters by using html.escap... |
Python 3 - Exceptions Handling | Python provides two very important features to handle any unexpected error in your Python programs and to add debugging capabilities in them −
Exception Handling − This would be covered in this tutorial. Here is a list standard Exceptions available in Python − Standard Exceptions.
Exception Handling − This would be cov... | [
{
"code": null,
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"text": "Python provides two very important features to handle any unexpected error in your Python programs and to add debugging capabilities in them −"
},
{
"code": null,
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"s": 2483,
"text": "Exception Handling − This would be cove... |
Minimum characters that are to be inserted such that no three consecutive characters are same - GeeksforGeeks | 21 May, 2021
Given a string str and the task is to modify the string such that no three consecutive characters are same. In a single operation, any character can be inserted at any position in the string. Find the minimum number of such operations required.Examples:
Input : str = “aabbbcc” Output: 1 “aabbdbcc” is the... | [
{
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},
{
"code": null,
"e": 24893,
"s": 24637,
"text": "Given a string str and the task is to modify the string such that no three consecutive characters are same. In a single operation, any character can be inserted at... |
How to plot a smooth 2D color plot for z = f(x, y) in Matplotlib? | To plot a smooth 2D color plot for z = f(x, y) in Matplotlib, we can take the following steps −
Set the figure size and adjust the padding between and around the subplots.
Create x and y data points using numpy.
Get z data points using f(x, y).
Display the data as an image, i.e., on a 2D regular raster, with z data poi... | [
{
"code": null,
"e": 1158,
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"text": "To plot a smooth 2D color plot for z = f(x, y) in Matplotlib, we can take the following steps −"
},
{
"code": null,
"e": 1234,
"s": 1158,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
... |
How to Update Your Live Django Website | Towards Data Science | I’ve recently built a web app (see it here) using Django and deployed it through DigitalOcean.
There are many wonderful reasons to use DigitalOcean, but updating is not one of them. Because it is a cloud hosting provider and not a PaaS like AWS Elastic Beanstalk, the updating process is 100% your problem.
Plus, if you’... | [
{
"code": null,
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"s": 171,
"text": "I’ve recently built a web app (see it here) using Django and deployed it through DigitalOcean."
},
{
"code": null,
"e": 478,
"s": 266,
"text": "There are many wonderful reasons to use DigitalOcean, but updating is not one of them. Beca... |
Pandas – Remove special characters from column names | 05 Sep, 2020
Let us see how to remove special characters like #, @, &, etc. from column names in the pandas data frame. Here we will use replace function for removing special character.
Example 1: remove a special character from column names
Python
# import pandasimport pandas as pd # create data frameData = {'Name#'... | [
{
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},
{
"code": null,
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"s": 53,
"text": "Let us see how to remove special characters like #, @, &, etc. from column names in the pandas data frame. Here we will use replace function for removing special character."... |
GenericIPAddressField – Django Models | 12 Feb, 2020
GenericIPAddressField is a field which stores an IPv4 or IPv6 address, in string format (e.g. 192.0.2.30 or 2a02:42fe::4). The default form widget for this field is a TextInput. The IPv6 address normalization follows RFC 4291#section-2.2 section 2.2, including using the IPv4 format suggested in paragraph 3... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n12 Feb, 2020"
},
{
"code": null,
"e": 521,
"s": 28,
"text": "GenericIPAddressField is a field which stores an IPv4 or IPv6 address, in string format (e.g. 192.0.2.30 or 2a02:42fe::4). The default form widget for this field is a TextInpu... |
Writing a Windows batch script | 08 Jun, 2022
In Windows, the batch file is a file that stores commands in a serial order. The command line interpreter takes the file as an input and executes in the same order. A batch file is simply a text file saved with the .bat file extension. It can be written using Notepad or any other text editor. A simple batc... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n08 Jun, 2022"
},
{
"code": null,
"e": 376,
"s": 53,
"text": "In Windows, the batch file is a file that stores commands in a serial order. The command line interpreter takes the file as an input and executes in the same order. A batch f... |
String concatenation in Scala | 02 Jul, 2021
A string is a sequence of characters. In Scala, objects of String are immutable which means a constant and cannot be changed once created. when a new string is created by adding two strings is known as a concatenation of strings. Scala provides concat() method to concatenate two strings, this method return... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n02 Jul, 2021"
},
{
"code": null,
"e": 453,
"s": 28,
"text": "A string is a sequence of characters. In Scala, objects of String are immutable which means a constant and cannot be changed once created. when a new string is created by addi... |
Seaborn | Regression Plots | 09 Dec, 2021
The regression plots in seaborn are primarily intended to add a visual guide that helps to emphasize patterns in a dataset during exploratory data analyses. Regression plots as the name suggests creates a regression line between 2 parameters and helps to visualize their linear relationships. This article d... | [
{
"code": null,
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"s": 26,
"text": "\n09 Dec, 2021"
},
{
"code": null,
"e": 496,
"s": 54,
"text": "The regression plots in seaborn are primarily intended to add a visual guide that helps to emphasize patterns in a dataset during exploratory data analyses. Regression plots ... |
What is a Web Application Firewall? | 07 Jan, 2022
Web Application Firewall protects the web application by filtering, monitoring, and blocking any malicious HTTP/S traffic that might penetrate the web application. In simple words, a Web Application Firewall acts as a shield between a web application and the Internet. This shield protects the web applicati... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Jan, 2022"
},
{
"code": null,
"e": 371,
"s": 28,
"text": "Web Application Firewall protects the web application by filtering, monitoring, and blocking any malicious HTTP/S traffic that might penetrate the web application. In simple w... |
Installing OpenVAS on Kali Linux | 23 Aug, 2021
OpenVAS, an endpoint scanning application and web application used to identify and detect vulnerabilities. It is widely used by companies as part of their risk mitigation solutions to quickly identify gaps in their production and even development servers or applications. This is not a complete solution, bu... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n23 Aug, 2021"
},
{
"code": null,
"e": 418,
"s": 28,
"text": "OpenVAS, an endpoint scanning application and web application used to identify and detect vulnerabilities. It is widely used by companies as part of their risk mitigation solu... |
map::empty() in C++ STL | 17 Jan, 2018
Maps are associative containers that store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped values can have same key values.
empty() function is used to check if the map container is empty or not.
Syntax :
mapname.empty()
Parameters :
No parameters are passed.
Re... | [
{
"code": null,
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"s": 26,
"text": "\n17 Jan, 2018"
},
{
"code": null,
"e": 223,
"s": 54,
"text": "Maps are associative containers that store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped values can have same key values."
},... |
Find maximum points which can be obtained by deleting elements from array - GeeksforGeeks | 11 May, 2021
Given an array A having N elements and two integers L and R where, and . You can choose any element of the array (let’s say ax) and delete it, and also delete all elements equal to ax+1, ax+2 ... ax+R and ax-1, ax-2 ... ax-L from the array. This step will cost ax points. The task is to maximize the total c... | [
{
"code": null,
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"s": 24794,
"text": "\n11 May, 2021"
},
{
"code": null,
"e": 25192,
"s": 24822,
"text": "Given an array A having N elements and two integers L and R where, and . You can choose any element of the array (let’s say ax) and delete it, and also delete all ... |
Vim - Plug-Ins | Using plug-ins, we can extends the functionality of Vim. Vim supports many plug-ins and most of them are available freely. This chapter is about Vim plug-ins and we will discuss following items −
Plug-in management
Some useful plug-ins
This section discusses plug-in management. Vim provides various plug-ins managers bu... | [
{
"code": null,
"e": 2166,
"s": 1970,
"text": "Using plug-ins, we can extends the functionality of Vim. Vim supports many plug-ins and most of them are available freely. This chapter is about Vim plug-ins and we will discuss following items −"
},
{
"code": null,
"e": 2185,
"s": 2166,... |
The Top 5 Data Science Qualifications | Towards Data Science | IntroductionProgrammingBusiness Savvy and IntelligenceStatistics and MathematicsMachine LearningVisualizationSummaryReferences
Introduction
Programming
Business Savvy and Intelligence
Statistics and Mathematics
Machine Learning
Visualization
Summary
References
As someone who has interviewed with several companies for D... | [
{
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"text": "IntroductionProgrammingBusiness Savvy and IntelligenceStatistics and MathematicsMachine LearningVisualizationSummaryReferences"
},
{
"code": null,
"e": 312,
"s": 299,
"text": "Introduction"
},
{
"code": null,
"e": 324,
... |
Opencv Python program for Face Detection - GeeksforGeeks | 17 Jun, 2017
The objective of the program given is to detect object of interest(face) in real time and to keep tracking of the same object.This is a simple example of how to detect face in Python. You can try to use training samples of any other object of your choice to be detected by training the classifier on require... | [
{
"code": null,
"e": 24484,
"s": 24456,
"text": "\n17 Jun, 2017"
},
{
"code": null,
"e": 24802,
"s": 24484,
"text": "The objective of the program given is to detect object of interest(face) in real time and to keep tracking of the same object.This is a simple example of how to de... |
How to trigger setInterval loop immediately using JavaScript ? - GeeksforGeeks | 28 Jan, 2020
This article will show some simple ways in which the setInterval() method can be made to execute the function without delay. There are many procedures to do so, below all the procedures are described with the example.
Note: In this article setInterval() method will start immediately for the 1st time run.
B... | [
{
"code": null,
"e": 24716,
"s": 24688,
"text": "\n28 Jan, 2020"
},
{
"code": null,
"e": 24934,
"s": 24716,
"text": "This article will show some simple ways in which the setInterval() method can be made to execute the function without delay. There are many procedures to do so, be... |
ASP.NET - Debugging | Debugging allows the developers to see how the code works in a step-by-step manner, how the values of the variables change, how the objects are created and destroyed, etc.
When the site is executed for the first time, Visual Studio displays a prompt asking whether it should be enabled for debugging:
When debugging is e... | [
{
"code": null,
"e": 2519,
"s": 2347,
"text": "Debugging allows the developers to see how the code works in a step-by-step manner, how the values of the variables change, how the objects are created and destroyed, etc."
},
{
"code": null,
"e": 2648,
"s": 2519,
"text": "When the s... |
Fables of Data Science — Anscombe’s quartet | by dearC | Towards Data Science | ..in a land far far away there used to live a man called Francis John “Frank” Anscombe. He was a statistician of great repute.
He wandered far and wide meeting many fellow practitioners and sat in the Citadel training young apprentices in the sacred art of statistics. The more he talked and trained people he saw a dang... | [
{
"code": null,
"e": 299,
"s": 172,
"text": "..in a land far far away there used to live a man called Francis John “Frank” Anscombe. He was a statistician of great repute."
},
{
"code": null,
"e": 631,
"s": 299,
"text": "He wandered far and wide meeting many fellow practitioners ... |
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