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Linear regression gradient descent python \| Towards Data Science	So, understanding what happens in linear regression is so good from an understanding point of view. Here is a deep dive without using python libraries. Here is a link to the source code for this article in github.If you do need an intro to gradient descent have a look at my 5 part YouTube series first. In step 1, we wi...	[ { "code": null, "e": 476, "s": 172, "text": "So, understanding what happens in linear regression is so good from an understanding point of view. Here is a deep dive without using python libraries. Here is a link to the source code for this article in github.If you do need an intro to gradient descen...
JavaScript \| Object.defineProperty() Method - GeeksforGeeks	16 Apr, 2020 The Object.defineProperty() method in JavaScript is a Standard built-in objects which defines a new property directly on an object and returns the object. Syntax: Object.defineProperty(obj, prop, descriptor) Parameter: This method accept three parameters as mentioned above and described below: Obj: This p...	[ { "code": null, "e": 25372, "s": 25341, "text": " \n16 Apr, 2020\n" }, { "code": null, "e": 25527, "s": 25372, "text": "The Object.defineProperty() method in JavaScript is a Standard built-in objects which defines a new property directly on an object and returns the object." },...
Reading An Image In Python (Without Using Special Libraries) \| by Tanu N Prabhu \| Towards Data Science	Well, the above picture is splendid, isn’t it?. It’s a masterpiece to me. Nonetheless, have you ever thought or asked yourself this one million dollar question: What is an image made up of? Now, before reading this entire tutorial, I want you guys to answer this question in the comment section, in that way you can give...	[ { "code": null, "e": 333, "s": 172, "text": "Well, the above picture is splendid, isn’t it?. It’s a masterpiece to me. Nonetheless, have you ever thought or asked yourself this one million dollar question:" }, { "code": null, "e": 362, "s": 333, "text": "What is an image made up ...
How to get column count in a ResultSet in JDBC?	You can get the column count in a table using the getColumnCount() method of the ResultSetMetaData interface. On invoking, this method returns an integer representing the number of columns in the table in the current ResultSet object. //Retrieving the ResultSetMetaData object ResultSetMetaData rsmd = rs.getMetaData(); ...	[ { "code": null, "e": 1297, "s": 1062, "text": "You can get the column count in a table using the getColumnCount() method of the ResultSetMetaData interface. On invoking, this method returns an integer representing the number of columns in the table in the current ResultSet object." }, { "cod...
Python OpenCV - Roberts Edge Detection - GeeksforGeeks	19 Dec, 2021 Edge detection refers to a set of mathematical techniques for recognizing points in a digital image where the image brightness abruptly changes or, more formally, where there are discontinuities. The sharp fluctuations in image brightness are usually grouped into a collection of curved line segments called...	[ { "code": null, "e": 24292, "s": 24264, "text": "\n19 Dec, 2021" }, { "code": null, "e": 24608, "s": 24292, "text": "Edge detection refers to a set of mathematical techniques for recognizing points in a digital image where the image brightness abruptly changes or, more formally, ...
Face Detection in just 5 lines of code using python \| Towards Data Science	Face detection is a computer technology division of deep learning. It identifies human faces in digital images or video scenes. It is used in a variety of applications such as Facial Recognition, Unlock smartphones, Smart advertising, Emotional inference, and many more. Deep learning is a subset of machine learning in ...	[ { "code": null, "e": 443, "s": 172, "text": "Face detection is a computer technology division of deep learning. It identifies human faces in digital images or video scenes. It is used in a variety of applications such as Facial Recognition, Unlock smartphones, Smart advertising, Emotional inference,...
Java - cos() Method	The method returns the cosine of the specified double value. double cos(double d) Here is the detail of parameters − d − This method accepts a value of double data type. d − This method accepts a value of double data type. This method returns the cosine of the specified double value. public class Test { public st...	[ { "code": null, "e": 2438, "s": 2377, "text": "The method returns the cosine of the specified double value." }, { "code": null, "e": 2460, "s": 2438, "text": "double cos(double d)\n" }, { "code": null, "e": 2495, "s": 2460, "text": "Here is the detail of param...
Python OpenCV \| cv2.line() method	10 Jun, 2022 OpenCV-Python is a library of Python bindings designed to solve computer vision problems.cv2.line() method is used to draw a line on any image. Syntax: cv2.line(image, start_point, end_point, color, thickness) Parameters: image: It is the image on which line is to be drawn. start_point: It is the startin...	[ { "code": null, "e": 28, "s": 0, "text": "\n10 Jun, 2022" }, { "code": null, "e": 172, "s": 28, "text": "OpenCV-Python is a library of Python bindings designed to solve computer vision problems.cv2.line() method is used to draw a line on any image." }, { "code": null, ...
Find the Missing Point of Parallelogram	29 Jun, 2022 Given three coordinate points A, B and C, find the missing point D such that ABCD can be a parallelogram.Examples : Input : A = (1, 0) B = (1, 1) C = (0, 1) Output : 0, 0 Explanation: The three input points form a unit square with the point (0, 0) Input : A = (5, 0) B = (1, 1) ...	[ { "code": null, "e": 54, "s": 26, "text": "\n29 Jun, 2022" }, { "code": null, "e": 172, "s": 54, "text": "Given three coordinate points A, B and C, find the missing point D such that ABCD can be a parallelogram.Examples : " }, { "code": null, "e": 392, "s": 172, ...
Find the slope of the given number	06 Sep, 2021 Find the slope of the given number num. Slope of a number is the count of the minima and maxima digits in it. A digit is called a minima if the digit is lesser than the digit before and after it. Similarly a digit is called a maxima if the digit is greater than the digit before and after it. Examples: Inp...	[ { "code": null, "e": 52, "s": 24, "text": "\n06 Sep, 2021" }, { "code": null, "e": 345, "s": 52, "text": "Find the slope of the given number num. Slope of a number is the count of the minima and maxima digits in it. A digit is called a minima if the digit is lesser than the digit...
Difference between Compile-time and Run-time Polymorphism in Java	23 Jun, 2022 The word polymorphism means having many forms. In simple words, we can define polymorphism as the ability of a message to be displayed in more than one form. In this article, we will see the difference between two types of polymorphisms, compile time and run time. Compile Time Polymorphism: Whenever an ob...	[ { "code": null, "e": 54, "s": 26, "text": "\n23 Jun, 2022" }, { "code": null, "e": 320, "s": 54, "text": "The word polymorphism means having many forms. In simple words, we can define polymorphism as the ability of a message to be displayed in more than one form. In this article,...
Python \| Check if given string is numeric or not	25 Jun, 2022 Given a string, write a Python program to check if the string is numeric or not. Examples: Input: 28 Output: digit Input: a Output: not a digit. Input: 21ab Output: not a digit. Code #1: Using Python regex re.search(): This method either returns None (if the pattern doesn’t match) or a re.MatchObje...	[ { "code": null, "e": 28, "s": 0, "text": "\n25 Jun, 2022" }, { "code": null, "e": 110, "s": 28, "text": "Given a string, write a Python program to check if the string is numeric or not. " }, { "code": null, "e": 121, "s": 110, "text": "Examples: " }, { ...
Software Testing \| Load Testing	03 Jun, 2022 Load Testing is a type of Performance Testing that determines the performance of a system, software product, or software application under real-life based load conditions. Basically, load testing determines the behavior of the application when multiple users use it at the same time. It is the response of t...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 Jun, 2022" }, { "code": null, "e": 458, "s": 28, "text": "Load Testing is a type of Performance Testing that determines the performance of a system, software product, or software application under real-life based load conditions. Bas...
Doubly Circular Linked List \| Set 2 (Deletion)	11 Jul, 2022 We have discussed the doubly circular linked list introduction and its insertion.Let us formulate the problem statement to understand the deletion process. Given a ‘key’, delete the first occurrence of this key in the circular doubly linked list. Algorithm: Case 1: Empty List(start = NULL) If the list i...	[ { "code": null, "e": 53, "s": 25, "text": "\n11 Jul, 2022" }, { "code": null, "e": 301, "s": 53, "text": "We have discussed the doubly circular linked list introduction and its insertion.Let us formulate the problem statement to understand the deletion process. Given a ‘key’, del...
What’s the Difference Between “const” and “val” in Kotlin?	21 Apr, 2022 In Kotlin, as in other programming languages, properties can be mutable (changeable) or immutable (not changeable). To declare an immutable property, we utilize the terms const and val. Developers are frequently perplexed as to when to utilize one of these phrases. In this article, we will examine the dist...	[ { "code": null, "e": 28, "s": 0, "text": "\n21 Apr, 2022" }, { "code": null, "e": 376, "s": 28, "text": "In Kotlin, as in other programming languages, properties can be mutable (changeable) or immutable (not changeable). To declare an immutable property, we utilize the terms cons...
How to Custom Sort in SQL ORDER BY Clause?	28 Oct, 2021 By default SQL ORDER BY sort, the column in ascending order but when the descending order is needed ORDER BY DESC can be used. In case when we need a custom sort then we need to use a CASE statement where we have to mention the priorities to get the column sorted. In this article let us see how we can cust...	[ { "code": null, "e": 28, "s": 0, "text": "\n28 Oct, 2021" }, { "code": null, "e": 293, "s": 28, "text": "By default SQL ORDER BY sort, the column in ascending order but when the descending order is needed ORDER BY DESC can be used. In case when we need a custom sort then we need ...
Sort an array of dates in PHP	08 Mar, 2018 We are given an array which consists of multiple dates in (Y-m-d) format. We have to write a program in PHP to sort all the dates present in the array in decreasing order. Examples : Input : array("2018-06-04", "2014-06-08", "2018-06-05") Output : 2018-06-05 2018-06-04 2014-06-08 Input : array("2016-09-...	[ { "code": null, "e": 28, "s": 0, "text": "\n08 Mar, 2018" }, { "code": null, "e": 200, "s": 28, "text": "We are given an array which consists of multiple dates in (Y-m-d) format. We have to write a program in PHP to sort all the dates present in the array in decreasing order." ...
Student Data Management in C++	08 Mar, 2022 Databases are being used in every aspect of our lives right now. Trillions of bytes of data are being stored in servers around the world. SQL is one of the most basic methods to use such a database. But have you ever thought about using C++ to maintain such a database. In this post, we will talk about impl...	[ { "code": null, "e": 52, "s": 24, "text": "\n08 Mar, 2022" }, { "code": null, "e": 451, "s": 52, "text": "Databases are being used in every aspect of our lives right now. Trillions of bytes of data are being stored in servers around the world. SQL is one of the most basic methods...
Themes and background colors in ggplot2 in R	24 Oct, 2021 In this article, we will discuss how to change the look of a plot theme (background color, panel background color, and gridlines) using the R Programming Language and ggplot2 package. The ggplot2 package in R Language has 8 built-in themes. To use these themes we just need to add that theme function to th...	[ { "code": null, "e": 28, "s": 0, "text": "\n24 Oct, 2021" }, { "code": null, "e": 213, "s": 28, "text": "In this article, we will discuss how to change the look of a plot theme (background color, panel background color, and gridlines) using the R Programming Language and ggplot2 ...
Making a simple PWA under 5 minutes	01 Jun, 2021 Progressive Web Apps, that is PWAs, are a type of application that is developed using web technologies and can be installed on any device like a traditional application. Creating a simple PWA is very easy as it involves adding two important files to the project. After that, the PWA would be ready to be ins...	[ { "code": null, "e": 53, "s": 25, "text": "\n01 Jun, 2021" }, { "code": null, "e": 392, "s": 53, "text": "Progressive Web Apps, that is PWAs, are a type of application that is developed using web technologies and can be installed on any device like a traditional application. Crea...
NPDA for accepting the language L = {an bm cn \| m,n>=1}	15 Jun, 2022 Prerequisite – Pushdown automata, Pushdown automata acceptance by final state Problem – – Design a non deterministic PDA for accepting the language L = {[Tex]b^m [/Tex]\| m, n>=1}, i.e., L = { abc, abbc, abbbc, aabbcc, aaabccc, aaaabbbcccc, ...... } In each of the string, the number of a’s is equal to ...	[ { "code": null, "e": 52, "s": 24, "text": "\n15 Jun, 2022" }, { "code": null, "e": 131, "s": 52, "text": "Prerequisite – Pushdown automata, Pushdown automata acceptance by final state " }, { "code": null, "e": 240, "s": 131, "text": "Problem – – Design a non d...
How to get the value of a textarea in jQuery ?	03 Aug, 2021 We can get the value of textarea in jQuery with the help of val() method . The val() method is used to get the values from the elements such as textarea, input and select. This method simply returns or sets the value attribute of the selected elements and is mostly used with the form elements. When calle...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 Aug, 2021" }, { "code": null, "e": 427, "s": 28, "text": "We can get the value of textarea in jQuery with the help of val() method . The val() method is used to get the values from the elements such as textarea, input and select. Thi...
toordinal() Function Of Datetime.date Class In Python	23 Aug, 2021 The toordinal() function is used to return the proleptic Gregorian ordinal of a specified datetime instance. Note: The Proleptic Gregorian ordinal gives the number of days elapsed from the date 01/Jan/0001. And here ordinal is called Proleptic since the Gregorian calendar itself is followed from October 15...	[ { "code": null, "e": 28, "s": 0, "text": "\n23 Aug, 2021" }, { "code": null, "e": 137, "s": 28, "text": "The toordinal() function is used to return the proleptic Gregorian ordinal of a specified datetime instance." }, { "code": null, "e": 339, "s": 137, "text"...
How to create custom dialog box with text input React Native?	10 Dec, 2020 React Native is a framework developed by Facebook for creating native-style apps for iOS & Android under one common language, JavaScript. In this article, we are going to create a dialog with Text Input. To achieve this we will use React Native’s built-in Modal component which we will use as a Dialog. Ther...	[ { "code": null, "e": 28, "s": 0, "text": "\n10 Dec, 2020" }, { "code": null, "e": 331, "s": 28, "text": "React Native is a framework developed by Facebook for creating native-style apps for iOS & Android under one common language, JavaScript. In this article, we are going to crea...
Remove duplicates from a string in O(1) extra space	12 Jul, 2022 Given a string str of lowercase characters, the task is to remove duplicates and return a resultant string without modifying the order of characters in the original string. Examples: Input: str = "geeksforgeeks" Output: geksfor Input: str = "characters" Output: chartes Approach: The idea is to use bits ...	[ { "code": null, "e": 52, "s": 24, "text": "\n12 Jul, 2022" }, { "code": null, "e": 225, "s": 52, "text": "Given a string str of lowercase characters, the task is to remove duplicates and return a resultant string without modifying the order of characters in the original string." ...
sklearn.Binarizer() in Python	29 Jun, 2021 sklearn.preprocessing.Binarizer() is a method which belongs to preprocessing module. It plays a key role in the discretization of continuous feature values. Example #1: A continuous data of pixels values of an 8-bit grayscale image have values ranging between 0 (black) and 255 (white) and one needs it to b...	[ { "code": null, "e": 28, "s": 0, "text": "\n29 Jun, 2021" }, { "code": null, "e": 736, "s": 28, "text": "sklearn.preprocessing.Binarizer() is a method which belongs to preprocessing module. It plays a key role in the discretization of continuous feature values. Example #1: A cont...
How to convert a single character to string in C++?	27 Jan, 2021 How to convert a single character to a string object.Examples: Input : x = 'a' Output : string s = "a" Input : x = 'b' Output : string s = "b" The idea is to use string class which has a constructor that allows us to specify size of string as first parameter and character to be filled in given size ...	[ { "code": null, "e": 53, "s": 25, "text": "\n27 Jan, 2021" }, { "code": null, "e": 118, "s": 53, "text": "How to convert a single character to a string object.Examples: " }, { "code": null, "e": 201, "s": 118, "text": "Input : x = 'a'\nOutput : string s = \"...
Stream map() in Java with examples	06 Dec, 2018 Stream map(Function mapper) returns a stream consisting of the results of applying the given function to the elements of this stream. Stream map(Function mapper) is an intermediate operation. These operations are always lazy. Intermediate operations are invoked on a Stream instance and after they finish th...	[ { "code": null, "e": 52, "s": 24, "text": "\n06 Dec, 2018" }, { "code": null, "e": 186, "s": 52, "text": "Stream map(Function mapper) returns a stream consisting of the results of applying the given function to the elements of this stream." }, { "code": null, "e": 414...
std::plus in c++	26 Jul, 2017 It is a Function object for performing addition. The object class whose call returns the result of adding its two arguments (as returned by operator + ). Syntax : template struct plus : binary_function { T operator() (const T& x, const T& y) const { return x + y; } }; Template parameters : T - Type o...	[ { "code": null, "e": 54, "s": 26, "text": "\n26 Jul, 2017" }, { "code": null, "e": 208, "s": 54, "text": "It is a Function object for performing addition. The object class whose call returns the result of adding its two arguments (as returned by operator + )." }, { "code"...
Sum values of a single row in MySQL?	You can use below syntax to sum values of a single row − Case 1 − The following is the syntax if your column does not have NULL value − SELECT yourColumnName1+yourColumnName2+yourColumnName3+.......+N as anyVariableName FROM yourTableName; Case 2 − If your column has NULL value then use this syntax − SELECT IFNULL(your...	[ { "code": null, "e": 1119, "s": 1062, "text": "You can use below syntax to sum values of a single row −" }, { "code": null, "e": 1198, "s": 1119, "text": "Case 1 − The following is the syntax if your column does not have NULL value −" }, { "code": null, "e": 1302, ...
How can matplotlib be used to plot 3 different datasets on a single graph in Python?	Matplotlib is a popular Python package that is used for data visualization. Visualizing data is a key step since it helps understand what is going on in the data without actually looking at the numbers and performing complicated computations. It helps in communicating the quantitative insights to the audience effective...	[ { "code": null, "e": 1386, "s": 1062, "text": "Matplotlib is a popular Python package that is used for data visualization. Visualizing data is a key step since it helps understand what is going on in the data without actually looking at the numbers and performing complicated computations. It helps i...
Period normalized() method in Java with Examples - GeeksforGeeks	27 Nov, 2018 The normalized() method of Period class in Java is used to return a new instance of Period after normalizing years and months. Syntax: public Period normalized() Parameters: This function does not accepts any parameter. Return Value: This function returns a new instance of Period after normalizing year and...	[ { "code": null, "e": 24239, "s": 24211, "text": "\n27 Nov, 2018" }, { "code": null, "e": 24366, "s": 24239, "text": "The normalized() method of Period class in Java is used to return a new instance of Period after normalizing years and months." }, { "code": null, "e":...
reflect.New() Function in Golang with Examples - GeeksforGeeks	03 May, 2020 Go language provides inbuilt support implementation of run-time reflection and allowing a program to manipulate objects with arbitrary types with the help of reflect package.The reflect.New() Function in Golang is used to get the Value representing a pointer to a new zero value for the specified type. To a...	[ { "code": null, "e": 23907, "s": 23879, "text": "\n03 May, 2020" }, { "code": null, "e": 24292, "s": 23907, "text": "Go language provides inbuilt support implementation of run-time reflection and allowing a program to manipulate objects with arbitrary types with the help of refle...
Maximum Consecutive Increasing Path Length in Binary Tree - GeeksforGeeks	04 Mar, 2022 Given a Binary Tree find the length of the longest path which comprises of nodes with consecutive values in increasing order. Every node is considered as a path of length 1. Examples: 10 / \ / \ 11 9 / \ /\ / \ / \ 13 12 13 8 Maxim...	[ { "code": null, "e": 24807, "s": 24779, "text": "\n04 Mar, 2022" }, { "code": null, "e": 24993, "s": 24807, "text": "Given a Binary Tree find the length of the longest path which comprises of nodes with consecutive values in increasing order. Every node is considered as a path of...
How to monitor real time SQL execution statistics in Oracle?	Problem: You want to monitor currently executing SQL statistics in Oracle. Solution If your database is Oracle Database 11g, you can use the following query to select from the “V$SQL_MONITOR” to monitor the near real time resource consumption of SQL queries. The statistics in “V$SQL_MONITOR” are updated every second. T...	[ { "code": null, "e": 1071, "s": 1062, "text": "Problem:" }, { "code": null, "e": 1137, "s": 1071, "text": "You want to monitor currently executing SQL statistics in Oracle." }, { "code": null, "e": 1146, "s": 1137, "text": "Solution" }, { "code": null,...
Python Tkinter – Set Entry width 100%	Tkinter Entry widgets accept single-line user input in a text field. We can change the properties of the Entry widget by providing the default attributes and values in its constructor. Let us suppose that we want to create a full-width Entry widget for an application. There are several ways to do that but if we conside...	[ { "code": null, "e": 1247, "s": 1062, "text": "Tkinter Entry widgets accept single-line user input in a text field. We can change the properties of the Entry widget by providing the default attributes and values in its constructor." }, { "code": null, "e": 1552, "s": 1247, "text"...
Java Examples - Add Text as Paragraphs	How to add text to a PDF document as paragraphs using Java. Following is the program to add text to a PDF document as paragraphs using Java. import com.itextpdf.io.font.FontConstants; import com.itextpdf.kernel.color.Color; import com.itextpdf.kernel.font.PdfFontFactory; import com.itextpdf.kernel.pdf.PdfDocument; ...	[ { "code": null, "e": 2128, "s": 2068, "text": "How to add text to a PDF document as paragraphs using Java." }, { "code": null, "e": 2209, "s": 2128, "text": "Following is the program to add text to a PDF document as paragraphs using Java." }, { "code": null, "e": 4365...
CICS - BMS	BMS is known as Basic Mapping Support. An application consists of formatted screens which act as a bridge between the terminal and the CICS programs. For communication to occur between the terminal and the CICS programs, we use CICS terminal input/output services. We use BMS to create screen designs with proper positio...	[ { "code": null, "e": 2302, "s": 1926, "text": "BMS is known as Basic Mapping Support. An application consists of formatted screens which act as a bridge between the terminal and the CICS programs. For communication to occur between the terminal and the CICS programs, we use CICS terminal input/outpu...
WPF - Quick Guide	WPF stands for Windows Presentation Foundation. It is a powerful framework for building Windows applications. This tutorial explains the features that you need to understand to build WPF applications and how it brings a fundamental change in Windows applications. WPF was first introduces in .NET framework 3.0 version, ...	[ { "code": null, "e": 2284, "s": 2020, "text": "WPF stands for Windows Presentation Foundation. It is a powerful framework for building Windows applications. This tutorial explains the features that you need to understand to build WPF applications and how it brings a fundamental change in Windows app...
jQuery - DOM Manipulation	JQuery provides methods to manipulate DOM in efficient way. You do not need to write big code to modify the value of any element's attribute or to extract HTML code from a paragraph or division. JQuery provides methods such as .attr(), .html(), and .val() which act as getters, retrieving information from DOM elements f...	[ { "code": null, "e": 2517, "s": 2322, "text": "JQuery provides methods to manipulate DOM in efficient way. You do not need to write big code to modify the value of any element's attribute or to extract HTML code from a paragraph or division." }, { "code": null, "e": 2656, "s": 2517, ...