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Implementing SGD From Scratch. Custom Implementation of Stochastic... | by Jasmeet Singh | Towards Data Science
Before implementing Stochastic Gradient Descent let’s talk about what a Gradient Descent is. Gradient Descent Algorithm is an iterative algorithm used to solve the optimization problem. In almost every Machine Learning and Deep Learning models Gradient Descent is actively used to improve the learning of our algorithm. ...
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HashTable forEach() method in Java with Examples - GeeksforGeeks
01 Oct, 2019 The forEach(BiConsumer) method of Hashtable class perform the BiConsumer operation on each entry of hashtable until all entries have been processed or the action throws an exception. The BiConsumer operation is a function operation of key-value pair of hashtable performed in the order of iteration. Method ...
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D3.js transform.translate() Function - GeeksforGeeks
15 Oct, 2020 The transform.translate() function in D3.js library is used to get the transformation whose translation tx1 and ty1 is equal to tx0 + tk x and ty0 + tk y, where tx0 and ty0 is the transform’s translation and tk is the transform’s scale. Syntax: transform.translate(x, y) Parameters: This function accepts th...
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Apache CXF with WSDL First
The CXF-POJO application that you have developed results in a very tight coupling between the client and the server. Giving a direct access to the service interface can also pose severe security threats. Thus, decoupling between the client and the server is usually desired, which is achieved by using WSDL (Web Services...
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Common elements in all rows of a given matrix - GeeksforGeeks
08 Apr, 2022 Given an m x n matrix, find all common elements present in all rows in O(mn) time and one traversal of matrix.Example: Input: mat[4][5] = {{1, 2, 1, 4, 8}, {3, 7, 8, 5, 1}, {8, 7, 7, 3, 1}, {8, 1, 2, 7, 9}, }; Output: 1 8 or 8 1 8 and 1 are present in a...
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How to Remove repetitive characters from words of the given Pandas DataFrame using Regex? - GeeksforGeeks
29 Oct, 2021 Prerequisite: Regular Expression in Python In this article, we will see how to remove continuously repeating characters from the words of the given column of the given Pandas Dataframe using Regex. Here, we are actually looking for continuously occurring repetitively coming characters for that we have crea...
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Conditionals in Rust - GeeksforGeeks
03 Mar, 2021 Conditional Statements are the decision-making statements based on given conditions. Conditional statements are common in programming languages and rust has them and unlike many of them, the boolean condition doesn’t need to be surrounded by parentheses but is better to use, and each condition is followed ...
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JPA - Criteria API
The Criteria API is a predefined API used to define queries for entities. It is the alternative way of defining a JPQL query. These queries are type-safe, and portable and easy to modify by changing the syntax. Similar to JPQL it follows abstract schema (easy to edit schema) and embedded objects. The metadata API is mi...
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jQuery | Alertify Plugin - GeeksforGeeks
09 Sep, 2021 jQuery framework provides alertify.js plugin that provides pre-designed customizable notification system along with interactive browser dialogs. This extensible and themeable plugin is very useful for developers providing an optimized version of alert messages with stacking up to feature. This small librar...
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Advantages and Disadvantages of using Enum as Singleton in Java - GeeksforGeeks
22 Feb, 2021 Enum Singletons are new ways of using Enum with only one instance to implement the Singleton pattern in Java. While there has been a Singleton pattern in Java for a long time, Enum Singletons are a comparatively recent term and in use since the implementation of Enum as a keyword and function from Java 5 o...
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Estimating tasks with statistics and simulations using Python | by Sau Sheong | Towards Data Science
A few months ago, when the world was a very different place, I wrote about to-do list tasks strategies. I wanted to know, given a bunch of tasks in your todo list, what strategy should you use to pick the tasks to work on first? Depending on what I actually want to achieve, how I do it can be quite different. The assum...
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NHibernate - Mapping Component
In this chapter, we will be talking about mapping components. In NHibernate, component is a value object. It does not have an identity of its own. An example of this would be a money object, a purse or a wallet might have money in it, but the exact identity of that money is irrelevant. An example of this would be a mon...
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chr() in Python - GeeksforGeeks
15 Nov, 2017 The chr() method returns a string representing a character whose Unicode code point is an integer.Syntax: chr(num) num : integer value The chr() method takes only one integer as argument. The range may vary from 0 to 1,1141,111(0x10FFFF in base 16). The chr() method returns a character whose unicode point...
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Data Structures | Linked List | Question 3 - GeeksforGeeks
11 Jan, 2013 Consider the following function that takes reference to head of a Doubly Linked List as parameter. Assume that a node of doubly linked list has previous pointer as prev and next pointer as next. void fun(struct node **head_ref){ struct node *temp = NULL; struct node *current = *head_ref; while (...
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CICS - COBOL Basics
CICS programs are written in COBOL language in Mainframes. We will be discussing about writing a simple COBOL-CICS program, compiling it, and then executing it. We will be writing a simple COBOL-CICS program which displays some message on the CICS output screen. This program is to demonstrate the steps involved in exec...
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Pandas with Dask, For an Ultra-Fast Notebook | by Kunal Dhariwal | Towards Data Science
If you are into the data world then the need of using pandas might occur very frequently. Well, we all are also aware of one thing that Pandas is amazing and is more like a boon to the data world. Most of us spend at least a few minutes or even hours using pandas for data manipulation and day to day analysis. Pandas do...
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Program to find the maximum profit we can get by buying on stock market once in Python
Suppose we have a list of prices representing the stock prices of a company in chronological sequence, we have to find the maximum profit we could have made from buying and selling that stock only once. We have to keep in mind that we must buy before we can sell it. So, if the input is like prices = [10, 12, 9, 6, 8, 1...
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How can we Implement a Queue using Stack in Java?
A Queue class extends Collection interface and it supports the insert and removes operations using a first-in-first-out (FIFO). A Stack is a subclass of Vector class and it represents last-in-first-out (LIFO) stack of objects. The last element added at the top of the stack (In) can be the first element to be removed (...
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Count pairs of similar rectangles possible from a given array - GeeksforGeeks
08 Apr, 2022 Given a 2D array A[][2] of size N (1 ≤ N ≤ 103), where A[i][0] and A[i][1] denotes the length and breadth of rectangle i respectively. Two rectangle i and j where (i < j) are similar if the ratio of their length and breadth is equal A[i][0] / A[i][1] = A[j][0] / A[j][1] The task is to count the pair of rec...
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Mobile Marketing Campaigns: ROAS (Return On Ad Spend) | by Gonçalo Guimarães Gomes | Towards Data Science
As a marketing data analyst, the job is to combine efforts to properly conduct a digital marketing data analysis to accurately monitor and evaluate the performance of all of the company’s ongoing digital actions and campaigns. What I am specifically referring to is the creation of an effective analytical system capable...
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Convert the ASCII value sentence to its equivalent string in C++
In this tutorial, we will be discussing a program to convert the ASCII value sentence to its equivalent string. For this we will be provided with a string containing the ASCII codes. Our task is to convert the given string into the equivalent characters and print it back. Live Demo #include <bits/stdc++.h> using names...
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Exploratory Data Analysis with Well Log Data | by Andy McDonald | Towards Data Science
Once data has been collated and sorted through, the next step in the Data Science process is to carry out Exploratory Data Analysis (EDA). This step allows us to identify patterns within the data, understand relationships between the features (well logs) and identify possible outliers that may exist within the dataset....
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Material - Alert Icons
This chapter explains the usage of Google's (Material) Alert icons. Assume that custom is the CSS class name where we defined the size and color, as shown in the example given below. <!DOCTYPE html> <html> <head> <link href = "https://fonts.googleapis.com/icon?family=Material+Icons" rel = "stylesheet"> ...
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Functions in JavaScript - GeeksforGeeks
22 Jun, 2020 A function is a set of statements that take inputs, do some specific computation, and produces output. Basically, a function is a set of statements that performs some tasks or does some computation and then return the result to the user. The idea is to put some commonly or repeatedly done tasks together an...
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How can I filter JSON data with multiple objects?
To filter JSON data with multiple objects, you can use the concept of filter along with ==. const jsonObject= [ { studentId:101, studentName:"David" }, { studentId:102, studentName:"Mike" }, { studentId:103, studentName:"David" }, { studentId:104, stu...
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How to control the width and height of the default Alert Dialog in iOS?
There will be instance where you might get a requirement to control / manipulate width and height the Alert while developing iOS application. If you’re not familiar with the same, it can trouble you. Here we will be seeing how to control the width and height of default alert box, For controlling the height and width we...
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queue::swap() in C++ STL
In this article we will be discussing the working, syntax and examples of queue::swap() function in C++ STL. Queue is a simple sequence or data structure defined in the C++ STL which does insertion and deletion of the data in FIFO(First In First Out) fashion. The data in a queue is stored in continuous manner. The elem...
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How to convert a Python for loop to while loop?
Unlike while loop, for loop in Python doesn't need a counting variable to keep count of number of iterations. Hence, to convert a for loop into equivalent while loop, this fact must be taken into consideration. Following is a simple for loop that traverses over a range for x in range(5): print (x) To convert int...
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Initialize a static Map in Java using Double Brace Initialization - GeeksforGeeks
03 Dec, 2019 In this article, a static map is created and initialised in Java using Double Brace Initialization. Static Map in JavaA static map is a map which is defined as static. It means that the map becomes a class member and can be easily used using class. Double Brace InitializationIn Double Brace Initialization:...
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How to output colored text to a Linux terminal?
Here we will see how to print some lines into the linux terminal with some color. Here we are doing anything special into C++ code. We are just using some linux terminal commands to do this. The command for this kind of output is like below. \033[1;31m Sample Text \033[0m There are some codes for text styles and colors...
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Exit Methods in C# Application
The Environment.Exit() method terminates the process and returns an exit code to the operating system − Environment.Exit(exitCode); Use exitCode as 0 (zero) to show that the process completed successfully. Use exitCode as a non-zero number to show an error, for example − Environment.Exit(1) − Return a value 1 to show t...
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C# | Operator Overloading - GeeksforGeeks
07 Aug, 2021 The concept of overloading a function can also be applied to operators. Operator overloading gives the ability to use the same operator to do various operations. It provides additional capabilities to C# operators when they are applied to user-defined data types. It enables to make user-defined implementat...
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Number of K length subsequences with minimum sum - GeeksforGeeks
10 Mar, 2022 Given an array arr[] of size N and an integer K, the task is to find the number of K length subsequences of this array such that the sum of these subsequences is the minimum possible. Examples: Input: arr[] = {1, 2, 3, 4}, K = 2 Output: 1 Subsequences of length 2 are (1, 2), (1, 3), (1, 4), (2, 3), (2, 4)...
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Format specifiers in C
The format specifiers are used in C for input and output purposes. Using this concept the compiler can understand that what type of data is in a variable during taking input using the scanf() function and printing using printf() function. Here is a list of format specifiers. These are the basic format specifiers. We ca...
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Perl | List Functions - GeeksforGeeks
07 May, 2019 A list in Perl is a collection of scalar values. We can access the elements of a list using indexes. Index starts with 0 (0th index refers to the first element of the list). We use parenthesis and comma operators to construct a list. In Perl, scalar variables start with a $ symbol whereas list variables st...
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Pointer to an Array | Array Pointer - GeeksforGeeks
21 Sep, 2021 Prerequisite: Pointers Introduction Pointer to Array Consider the following program: C++ C #include <iostream>using namespace std; int main(){int arr[5] = { 1, 2, 3, 4, 5 };int *ptr = arr; cout <<"\n"<< ptr;return 0;} // thus code is contributed by shivanisinghss2110 #include<stdio.h> int main(){ int a...
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Pipeline with Grid Search, ColumnTransformer, Feature Selection with python | Towards Data Science
Table of Contents 1. Introduction2. Pipeline3. Pipeline with Grid Search4. Pipeline with ColumnTransformer, GridSearchCV5. Pipeline with Feature Selection Preparing the dataset for the algorithm, designing the model, and adjusting the hyperparameters of the algorithm, which is at the discretion of the developer, to gen...
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How to create plot in R with different shape of points?
In base R, the plot with different shape of points can be created by using pch argument inside the plot function. The list of pch values with shape is as written below − pch = 0 display square pch = 1 display circle pch = 2 display triangle point up pch = 3 display plus pch = 4 display cross pch = 5 display diamond pch...
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What is strcmp() Function in C language?
The C library function int strcmp(const char *str1, const char *str2) compares the string pointed to, by str1 to the string pointed to by str2. An array of characters is called a string. Following is the declaration for an array − char stringname [size]; For example − char string[50]; string of length 50 characters Usi...
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DocumentDB SQL - Joins
In relational databases, the Joins clause is used to combine records from two or more tables in a database, and the need to join across tables is very important while designing normalized schemas. Since DocumentDB deals with the denormalized data model of schema-free documents, the JOIN in DocumentDB SQL is the logical...
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Perl pack Function
This function evaluates the expressions in LIST and packs them into a binary structure specified by EXPR. The format is specified using the characters shown in Table below − Each character may be optionally followed by a number, which specifies a repeat count for the type of value being packed.that is nibbles, chars, o...
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Building a network graph from Twitter data | by Mananai Saengsuwan | Towards Data Science
In this article, we will build a data science project. We collect data from Twitter because it has an enormous amount of data and it allows us to get those. We prefer Java because it’s a compiled language and it has a strong concurrency library. Finally, we summarise those data by using Gephi which is an open-source gr...
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jQuery - prev( [selector] ) Method
The prev( [selector] ) method gets the immediately preceding sibling of each element in the set of matched elements, optionally filtered by a selector. Here is the simple syntax to use this method − selector.prev( [selector] ) Here is the description of all the parameters used by this method − selector − This is optio...
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PyQt5 - QClipboard
The QClipboard class provides access to system-wide clipboard that offers a simple mechanism to copy and paste data between applications. Its action is similar to QDrag class and uses similar data types. QApplication class has a static method clipboard() which returns reference to clipboard object. Any type of MimeData...
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Remove and update the existing record in MongoDB?
You can use only $pull operator that removes and updates the existing record in MongoDB. Let us first create a collection with documents − > db.removeDemo.insertOne( ... { ... "UserName" : "Larry", ... "UserDetails" : [ ... { ... "_id" : 101, ... "UserEmailId" : "976Larry...
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Static Positioning Using CSS
We can define positioning of an element in CSS as static which does not renders the element in any special way, but in a normal way. Elements with positioning as static are not affected by any of the CSS Positioning properties (left, right, top and bottom). Let’s see an example of CSS Static Positioning Method − Live ...
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Lines of Code (LOC) in Software Engineering - GeeksforGeeks
26 Apr, 2021 A line of code (LOC) is any line of text in a code that is not a comment or blank line, in any case of the number of statements or fragments of statements on the line. LOC clearly consists of all lines containing program header files, declaration of any variable, and executable and non-executable statement...
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Difference Between List and Tuple in Python
In this post, we will understand the differences between list and tuple in Python. List and tuple are two different kinds of data structures used in Python. They are both used in different instances to store data of different types. It is often referred to as a sequence. It is considered to be one of the most frequentl...
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A unique string in Python
Suppose we have a string s, we have to check whether it has all unique characters or not. So, if the input is like "world", then the output will be True To solve this, we will follow these steps − set_var := a new set from all characters of s set_var := a new set from all characters of s return true when size of set_va...
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W3Schools Code Game
W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using this site, you agree to hav...
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Data Structures and Algorithms | Set 11 - GeeksforGeeks
07 Jul, 2021 Following questions have been asked in GATE CS 2007 exam. 1. Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4)mod7. Assuming the hash table is initially empty, which of the following is the contents of the table when the sequence 1, 3, 8, 10 is inserted into the t...
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How can we get only unique values of a column in MySQL result set?
While querying data from a MySQL table, we may get duplicate values from a column. With the help of the DISTINCT clause in the SELECT statement, we can get rid of duplicate data in the result set. SELECT DISTINCT Columns FROM Table_name WHERE conditions; For example, we have a table named ‘tender’ having the following ...
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Font Size in CSS
The CSS font-size property is used to set the size of font. We can specify the value in percentages, units like pixels, cm, points, em, etc. and absolute keyword. Relative values maximize accessibility. The default font-size is 16px or 12pt. The syntax of CSS font-size property is as follows − Selector { font-size: ...
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Array creation using Comprehensions and Generators in Julia - GeeksforGeeks
17 May, 2020 Julia is a language designed for high-level performance and can support interactive use as well. It has many descriptive datatypes and type-declarations can be used to solidify the programs. Julia is slowly climbing the ladder and gaining the interest of many Data Scientists and machine learning scientists...
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Vim - Quick Guide
Vim editor is one of the more popular text editors we use today. It is a clone of the Vi editor and is written by Bram Moolenaar. It is cross platform editor and available on most popular platforms like Windows, Linux, Mac and other UNIX variants. In this chapter, we will discuss following items − Introduction Features...
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Logistic Regression — Detailed Overview | by Saishruthi Swaminathan | Towards Data Science
Logistic Regression was used in the biological sciences in early twentieth century. It was then used in many social science applications. Logistic Regression is used when the dependent variable(target) is categorical. For example, To predict whether an email is spam (1) or (0) Whether the tumor is malignant (1) or not ...
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Image-to-Image Translation using Pix2Pix - GeeksforGeeks
27 Jan, 2022 pix2pix was proposed by researchers at UC Berkeley in 2017. It uses conditional Generative Adversarial Network to perform the image-to-image translation task (i.e. converting one image to another, such facades to buildings and Google Maps to Google Earth, etc. The pix2pix uses conditional generative adver...
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How to define a variable in HTML5 ? - GeeksforGeeks
05 Jun, 2020 In this article, we define a variable in the HTML by using the <var> tag in the document. It is a phrase tag and used to specify the variable in a mathematical equation or in the computer program. The content of this tag is displayed in an italic format in most of the browsers. Syntax: <var> Contents... </...
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Check if a Queen can attack a given cell on chessboard - GeeksforGeeks
05 May, 2021 Given the position of the queen (qX, qY) and the opponent (oX, oY) on a chessboard. The task is to determine whether the queen can attack the opponent or not. Note that the queen can attack in the same row, same column and diagonally.Example: Input: qX = 4, qY = 5, oX = 6, oY = 7 Output: Yes The queen ca...
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Apache Derby - Where Clause
The WHERE clause is used in the SELECT, DELETE or, UPDATE statements to specify the rows on which the operation needs to be carried out. Usually, this clause is followed by a condition or expression which returns a Boolean value, the Select, delete or, update operations are performed only on the rows which satisfy the ...
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SaltStack - Configuration Management
Configuration management is one of the most significant concept in SaltStack. It is used to create a reusable configuration template, called a state. The state describes everything required to put a system component or an application into a known configuration. Salt state is a reusable configuration for a specific part...
[ { "code": null, "e": 2469, "s": 2207, "text": "Configuration management is one of the most significant concept in SaltStack. It is used to create a reusable configuration template, called a state. The state describes everything required to put a system component or an application into a known config...
Introduction to Dart Programming Language - GeeksforGeeks
11 Jun, 2020 Dart is the open-source programming language originally developed by Google. It is meant for both server side as well as the user side. The Dart SDK comes with its compiler – the Dart VM and a utility dart2js which is meant for generating Javascript equivalent of a Dart Script so that it can be run on thos...
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Lexicographically smallest subsequence possible by removing a character from given string - GeeksforGeeks
19 Feb, 2022 Given a string S of length N, the task is to find the lexicographically smallest subsequence of length (N – 1), i.e. by removing a single character from the given string. Examples: Input: S = “geeksforgeeks”Output: “eeksforgeeks”Explanation: Lexicographically smallest subsequence possible is “eeksforgeeks”...
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VBScript StrReverse Function
The StrReverse Function reverses the specified string. StrReverse(string) <!DOCTYPE html> <html> <body> <script language = "vbscript" type = "text/vbscript"> document.write("Line 1 : " & StrReverse("VBSCRIPT") & "<br />") document.write("Line 2 : " & StrReverse("My First VBScript") & "<br /...
[ { "code": null, "e": 2135, "s": 2080, "text": "The StrReverse Function reverses the specified string." }, { "code": null, "e": 2156, "s": 2135, "text": "StrReverse(string) \n" }, { "code": null, "e": 2511, "s": 2156, "text": "<!DOCTYPE html>\n<html>\n <body>...
HTML | <body> background Attribute - GeeksforGeeks
28 Mar, 2022 The HTML <body> background Attribute is used to specify the background-image for the document. Note: It is not supported by HTML5 Instead of using this attribute we use CSS background property. Syntax: <body background="URL"> Attribute Values: It contains the value i.e URL Which specify the address of th...
[ { "code": null, "e": 25184, "s": 25156, "text": "\n28 Mar, 2022" }, { "code": null, "e": 25379, "s": 25184, "text": "The HTML <body> background Attribute is used to specify the background-image for the document. Note: It is not supported by HTML5 Instead of using this attribute w...
Web Services - Examples
Based on the web service architecture, we create the following two components as a part of web services implementation − This is the provider of the web service. The service provider implements the service and makes it available on the Internet or intranet. We will write and publish a simple web service using .NET SDK....
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How to turn your webcam into a Motion Detect controller | by Benson Ruan | Towards Data Science
Have you ever played Xbox games with a motion sensor? It feel so cool to just swing your arms to hit the tennis ball in the video game. Motion detection is the technique that make this magic happened, it can detect a change in the position of an object relative to its surroundings. In this article, let’s have some fun....
[ { "code": null, "e": 455, "s": 172, "text": "Have you ever played Xbox games with a motion sensor? It feel so cool to just swing your arms to hit the tennis ball in the video game. Motion detection is the technique that make this magic happened, it can detect a change in the position of an object re...
The "\" escape character in C#
The "#", "0", ".", ",", "%", and "‰" symbols in a format string are interpreted as format specifiers. Prevent a character from being interpreted as a format specifier, by preceding it with an escape character i.e. backslash. To prevent interpreting as an escape character, use escape character for #", "0", and "\" chara...
[ { "code": null, "e": 1164, "s": 1062, "text": "The \"#\", \"0\", \".\", \",\", \"%\", and \"‰\" symbols in a format string are interpreted as format specifiers." }, { "code": null, "e": 1287, "s": 1164, "text": "Prevent a character from being interpreted as a format specifier, by...
F# - Tuples
A tuple is a comma-separated collection of values. These are used for creating ad hoc data structures, which group together related values. For example, (“Zara Ali”, “Hyderabad”, 10) is a 3-tuple with two string values and an int value, it has the type (string * string * int). Tuples could be pairs, triples, and so on,...
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How can I play a sound when a Tkinter button is pushed?
Python has many inbuilt libraries and modules that are used for building various application interfaces and components. Pygame is one of the python modules which is used to design and build video games and music. It provides a mixture to handle all sound related activities. Using music sub-module, you can stream mp3, o...
[ { "code": null, "e": 1415, "s": 1062, "text": "Python has many inbuilt libraries and modules that are used for building various application interfaces and components. Pygame is one of the python modules which is used to design and build video games and music. It provides a mixture to handle all soun...
Java program to expand a String if range is given?
To expand a String if range is given, the Java code is as follows − Live Demo public class Demo { public static void expand_range(String word) { StringBuilder my_sb = new StringBuilder(); String[] str_arr = word.split(", "); for (int i = 0; i < str_arr.length; i++){ String[] split_str = s...
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How to set new value for an attribute using jQuery?
The jQuery attr() method is used to get the value of an attribute. It can also be used to set new value. We will set new value of attribute href to tutorialspoint.com/html5 from tutorialspoint.com/css. You can try to run the following code to learn how to set new value for an attribute in jQuery − Live Demo <html> <...
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postmap - Unix, Linux Command
makemap file_type file_name < file_name If the result files do not exist they will be created with the same group and other read permissions as the source file. While the table update is in progress, signal delivery is postponed, and an exclusive, advisory, lock is placed on the entire table, in order to avoid surp...
[ { "code": null, "e": 10622, "s": 10577, "text": "\n makemap file_type file_name < file_name\n" }, { "code": null, "e": 10745, "s": 10622, "text": "\nIf the result files do not exist they will be created with the\nsame group and other read permissions as the source file.\n" },...
Sarcasm Detection: Step towards Sentiment Analysis | by DIGVIJAY SINGH | Towards Data Science
Humans have a social nature. Social nature means that we interact with each other in positive, friendly ways, and it also means that we know how to manipulate others in a very negative way. Sarcasm, which is both positively funny and negatively nasty, plays an important part in human social interaction. But sometimes i...
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Align HTML5 SVG to the center of the screen
SVG stands for Scalable Vector Graphics and it is a language for describing 2D-graphics and graphical applications in XML and the XML is then rendered by an SVG viewer. Let us see an example of SVG − <!DOCTYPE html> <html> <head> <style> #svgelem { position: relative; left: 50%...
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How to create a vector with zero values in R?
In data analysis, sometimes we need to use zeros for certain calculations, either to nullify the effect of a variable or for some other purpose based on the objective of the analysis. To deal with such type of situations, we need a zero value or a vector of zeros. There are many ways to create a vector with zeros in R....
[ { "code": null, "e": 1432, "s": 1062, "text": "In data analysis, sometimes we need to use zeros for certain calculations, either to nullify the effect of a variable or for some other purpose based on the objective of the analysis. To deal with such type of situations, we need a zero value or a vecto...
Change the Background of Any Image with 5 Lines of Code | by Ayoola Olafenwa (she/her) | Towards Data Science
Image segmentation has a lot of amazing applications that solve different computer vision problems. PixelLib is a library created to ensure easy integration of image segmentation in real life applications. PixelLib now supports a feature known as image tuning. Image Tuning: It is the change in the background of an imag...
[ { "code": null, "e": 433, "s": 172, "text": "Image segmentation has a lot of amazing applications that solve different computer vision problems. PixelLib is a library created to ensure easy integration of image segmentation in real life applications. PixelLib now supports a feature known as image tu...
JSF - f:convertDateTime
f:convertDateTime tag is used to convert a string value to a date of required format. It also acts as a validator, a required date format. <f:convertDateTime pattern = "dd-mm-yyyy" /> type date (default), time, or both dateStyle default, short, medium, long, or full timeStyle default, short, medium, long, or full patte...
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Program to find absolute value of a given number - GeeksforGeeks
14 Jun, 2021 Given an integer N, the task is to find the absolute value of the given integer.Examples: Input: N = -6 Output: 6Input: N = 12 Output: 12 Method 1 – Naive Approach: Since the absolute value of any number is always positive. For any positive number, the absolute value is the number itself and for any ...
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Data Types in C - GeeksforGeeks
28 Jun, 2021 Each variable in C has an associated data type. Each data type requires different amounts of memory and has some specific operations which can be performed over it. Let us briefly describe them one by one:Following are the examples of some very common data types used in C: char: The most basic data type in...
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Treating Most Common Data Uniformity Problems with Pandas | Towards Data Science
In my previous articles on data cleaning, I talked about how out-of-range values, incorrect data types, uniqueness constraints are common problems and that when left untouched can seriously compromise our analysis. In this article, we are going to tackle a problem that is just as dangerous and that can similarly skew o...
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5 Interesting Jupyter Interactive Visualization Extensions | by Cornellius Yudha Wijaya | Towards Data Science
Visualization is an important part of data analysis. Without visualization, we would have a hard time summarizing the information from our data. However, there are times we want to have a dynamic visualization to ease our analysis activity. Luckily, Jupyter Notebook has many visualization extensions we could use to cre...
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Alternate vowel and consonant string - GeeksforGeeks
10 Mar, 2022 Given a string, rearrange characters of the given string such that the vowels and consonants occupy alternate position. If string can not be rearranged in desired way, print “no such string”. The order of vowels with respect to each other and the order of consonants with respect to each other should be mai...
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Difference between jquery.size() and jquery.length - GeeksforGeeks
22 Jul, 2021 JQuery.size() method gives us the number of elements present. For Example, if we are calling the size() method for “p” tag, then it will return the number of “p” tags present on our page. Syntax: $(selector).size() Return value: It returns the number of “selector” present. Example: HTML <!DOCTYPE html><htm...
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DS Project: How to Predict Google Apps Rating? | by Anass El Houd | Towards Data Science
In this article, I share with you my experience in analyzing and predicting the Google Apps ratings. This is one of the tests I had to solve in Data Science interviews. I have to point out that this is a personal way of solving the problem, it can help you draw your own reasoning. As with any other DS project, we start...
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Key Programming Concepts for Pandas Beginners | by Skyler Dale | Towards Data Science
If you’re just getting started with Python or Pandas, welcome. Let me begin with a quick note of encouragement. Learning to code can feel a bit daunting in the beginning because there is a lot of unknown. On top of that, sometimes the people around you are discouraging: you don’t have the right background... if you don...
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Gensim - Transformations
This chapter will help you in learning about the various transformations in Gensim. Let us begin by understanding the transforming documents. Transforming documents means to represent the document in such a way that the document can be manipulated mathematically. Apart from deducing the latent structure of the corpus, ...
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Automate your Model Documentation using H2O AutoDoc | by Parul Pandey | Towards Data Science
Proper documentation is essential not only for your own credibility but the credibility of the organization you represent. The Federal Reserve’s 2011 guidelines state that model risk assessment and management would be ineffective without adequate documentation. A similar requirement is put forward today by many regulat...
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MySQL query to display columns name first name, last name as full name in a single column?
For this, use CONCAT() method in MySQL. Let us first create a table − mysql> create table DemoTable ( FirstName varchar(50), LastName varchar(50) ); Query OK, 0 rows affected (0.63 sec) Insert some records in the table using insert command − mysql> insert into DemoTable values('Chris','Brown'); Query OK, 1 row af...
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What is the use of sprintf() and sscanf() functions in C language?
It reads data from a character string. sscanf(string,formatspecifier,&var1,&var2,........) String refers to the char string to read from. Format string refers to char string containing certain required formatting information. Var1,var2 etc., represent the individual input data items. For example, sscanf(string,"%d%d",&...
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Number of relations that are neither Reflexive nor Irreflexive on a Set - GeeksforGeeks
27 May, 2021 Given a positive intege N, the task is to find the number of relations that are neither reflexive nor irreflexive on a set of first N natural numbers. Since the count of relations can be very large, print it to modulo 109 + 7. A relation R on a set A is called reflexive, if no (a, a) € R holds for every el...
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Count Negative Numbers in a Column-Wise and Row-Wise Sorted Matrix using Python?
In this section we are going to see a python program that counts negative numbers in Row-wise and Column-wise sorted matrix with optimal solution. Row-wise and column-wise sorted array means, each value at any index is small or equal to the value at the index in next column and next row. M = [[-40, -12, 1, 5], [-20, -...
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C++ Quick Guide
C++ is a statically typed, compiled, general-purpose, case-sensitive, free-form programming language that supports procedural, object-oriented, and generic programming. C++ is regarded as a middle-level language, as it comprises a combination of both high-level and low-level language features. C++ was developed by Bjar...
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Count occurrences of an element in a list in Python
In this article we are given a list and a string. We are required to find how many times the given string is present as an element in the list. The counter function from collections module will give us the count of each element present in the list. From the counting result we can extract only that account fair the inde...
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CSS | Animation to Change the Hover State of a Button/Image - GeeksforGeeks
29 Jul, 2021 1. To change the color/size of the button in hover state. Approach: Set the animation and time duration of hover state Set background color using @keyframes Syntax: button:hover { animation-name: background-color; animation-duration: 500ms; } @keyframes background-color { 100% { ...
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Visualizing Output Of Machine Learning Model | by Himanshu Sharma | Towards Data Science
Interpreting a machine learning model is a difficult task because we don’t really know how the model is working inside that black box. Interpretation is required so that we can select the best model for our data and also make it robust. Shap is an open-source python library that is used to explain models. It can create...
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Get second largest marks from a MySQL table using subquery?
Let us first create a table − mysql> create table DemoTable( Marks int ); Query OK, 0 rows affected (1.34 sec) Insert some records in the table using insert command − mysql> insert into DemoTable values(78); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable values(88); Query OK, 1 row affected (0.10 s...
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Java Connection getAutoCommit() method with example
If you commit a database, it saves all the changes that have been done till that particular point. By default, some databases commits/saves the changes done automatically. You can turn off/on the auto-commit using the setAutoCommit() method of the Connection interface. The getAutocommit() method of the Connection inter...
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Logistic Regression-Theory and Practice | by Gokul S Kumar | Towards Data Science
In this article, I will be explaining how to use the concept of regression, in specific logistic regression to the problems involving classification. Classification problems are everywhere around us, the classic ones would include mail classification, weather classification, etc. All these data, if needed can be used t...
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Maximum path sum in matrix | Practice | GeeksforGeeks
Given a NxN matrix of positive integers. There are only three possible moves from a cell Matrix[r][c]. Matrix [r+1] [c] Matrix [r+1] [c-1] Matrix [r+1] [c+1] Matrix [r+1] [c] Matrix [r+1] [c-1] Matrix [r+1] [c+1] Starting from any column in row 0 return the largest sum of any of the paths up to row N-1. Example 1: I...
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