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How to Select All Records from One Table That Do Not Exist in Another Table in SQL? - GeeksforGeeks | 04 Aug, 2021
We can get the records in one table that doesn’t exist in another table by using NOT IN or NOT EXISTS with the subqueries including the other table in the subqueries. In this let us see How to select All Records from One Table That Do Not Exist in Another Table step-by-step.
Use the below command to create... | [
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"text": "We can get the records in one table that doesn’t exist in another table by using NOT IN or NOT EXISTS with the subqueries including the other table in the subqueri... |
Java Program to Reverse a Sentence Using Recursion - GeeksforGeeks | 24 Nov, 2020
A sentence is a sequence of characters separated by some delimiter. This sequence of characters starts at the 0th index and the last index is at len(string)-1. By reversing the string, we interchange the characters starting at 0th index and place them from the end. The first character becomes the last, the... | [
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"text": "A sentence is a sequence of characters separated by some delimiter. This sequence of characters starts at the 0th index and the last index is at len(string)-1. By ... |
Convert C/C++ program to Preprocessor code - GeeksforGeeks | 29 Aug, 2018
We use g++ compiler to turn provided Cpp code into preprocessor code. To see the preprocessor code generated by the CPP compiler, we can use the “-E” option on the command line:Preprocessor include all the # directives in the code. and also expands MACRO function.
Syntax:
g++ -E filename.cpp
// MACRO name... | [
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"text": "We use g++ compiler to turn provided Cpp code into preprocessor code. To see the preprocessor code generated by the CPP compiler, we can use the “-E” option on the... |
Node.js stats.mtime Property - GeeksforGeeks | 08 Oct, 2021
The stats.mtime property is an inbuilt application programming interface of the fs.Stats class is used to get the timestamp when the file is modified last time.
Syntax:
stats.mtime;
Parameters: Properties does not have any parameter.
Return Value: It returns a Date which represents the timestamp when the f... | [
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"text": "The stats.mtime property is an inbuilt application programming interface of the fs.Stats class is used to get the timestamp when the file is modified last time."
... |
What is the usage of DelegatingHandler in Asp.Net webAPI C#? | In a message handler, a series of message handlers are chained together. The first handler receives an HTTP request, does some processing, and gives the request to the next handler. At some point, the response is created and goes back up the chain. This pattern is called a delegating handler.
Along with the built-in Se... | [
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"text": "In a message handler, a series of message handlers are chained together. The first handler receives an HTTP request, does some processing, and gives the request to the next handler. At some point, the response is created and goes back up the chain. This... |
Is LDA a dimensionality reduction technique or a classifier algorithm? | by Meigarom Lopes | Towards Data Science | In my last post, I started a discussion about dimensionality reduction which the matter was the real impact over the results using principal component analysis ( PCA ) before perform a classification task ( https://meigarom.github.io/blog/pca.html ). In this post, I am going to continue discussing this subject, but now... | [
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"text": "In my last post, I started a discussion about dimensionality reduction which the matter was the real impact over the results using principal component analysis ( PCA ) before perform a classification task ( https://meigarom.github.io/blog/pca.html ). In t... |
Count All Palindrome Sub-Strings in a String | Set 2 - GeeksforGeeks | 06 Apr, 2022
Given a string, the task is to count all palindrome substring in a given string. Length of palindrome substring is greater then or equal to 2.
Examples:
Input : str = "abaab"
Output: 3
Explanation :
All palindrome substring are :
"aba", "aa", "baab"
Input : str = "abbaeae"
Output: 4
Explanation :
All ... | [
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"text": "Given a string, the task is to count all palindrome substring in a given string. Length of palindrome substring is greater then or equal to 2."
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Difference between intermediate and terminal operations in Java 8 | Stream is introduced in Java 8, it is only used for processing group of data not for the storting elements.. It does not modify the actual collection, they only provide the result as per the pipelined methods.
Stream api supports multiple operations and operations are divided into two parts −
Intermediate Operation- Th... | [
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Differences between String and StringBuffer | String is an immutable class and its object can’t be modified after it is created but definitely reference other objects. They are very useful in multithreading environment because multiple threads can’t change the state of the object so immutable objects are thread safe.
String buffer is mutable classes which can be u... | [
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Twitter Sentiment Analysis using fastText | by Sanket Doshi | Towards Data Science | In this blog, we’ll be analyzing the sentiments of various tweets using a fastText library which is easy to use and fast to train.
FastText is an NLP library developed by the Facebook AI. It is an open-source, free, lightweight library that allows users to learn text representations and text classifiers. It works on st... | [
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"text": "In this blog, we’ll be analyzing the sentiments of various tweets using a fastText library which is easy to use and fast to train."
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"text": "FastText is an NLP library developed by the Facebook AI... |
Python – Change kivy button size and position using kv file | 19 Oct, 2021
Kivy is a platform independent GUI tool in Python. As it can be run on Android, IOS, linux and Windows etc. It is basically used to develop the Android application, but it does not mean that it can not be used on Desktops applications.In this article we will see that how can we can change the size and the ... | [
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"text": "Kivy is a platform independent GUI tool in Python. As it can be run on Android, IOS, linux and Windows etc. It is basically used to develop the Android application, but it doe... |
Sending Email using FastAPI Framework in Python | 23 Nov, 2021
Before jumping into the topic directly, let’s have a small intro about the technologies we are going to use. As the name suggests, we will be using FastAPI, a Python language framework.
FastAPI is a python framework to develop REST Apis. It is very easy to build, high performance, easy to learn, and ready... | [
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"text": "Before jumping into the topic directly, let’s have a small intro about the technologies we are going to use. As the name suggests, we will be using FastAPI, a Python language ... |
C library function - setvbuf() | The C library function int setvbuf(FILE *stream, char *buffer, int mode, size_t size) defines how a stream should be buffered.
Following is the declaration for setvbuf() function.
int setvbuf(FILE *stream, char *buffer, int mode, size_t size)
stream − This is the pointer to a FILE object that identifies an open stream.... | [
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"text": "Following is the declaration for setvbuf() function."
... |
How to implement inheritance in ES6 ? | 08 Nov, 2021
In this article, we will know how inheritance is implemented in es6. The ES6 JavaScript supports Object-Oriented programming components such as Object, Class and Methods. Further in Classes we can implement inheritance to make child inherits all methods of Parent Class. This can be done using the extends a... | [
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"text": "In this article, we will know how inheritance is implemented in es6. The ES6 JavaScript supports Object-Oriented programming components such as Object, Class and Methods. Furt... |
scipy stats.kurtosis() function | Python | 20 Jun, 2022
scipy.stats.kurtosis(array, axis=0, fisher=True, bias=True) function calculates the kurtosis (Fisher or Pearson) of a data set. It is the fourth central moment divided by the square of the variance. It is a measure of the “tailedness” i.e. descriptor of shape of probability distribution of a real-valued ra... | [
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"text": "scipy.stats.kurtosis(array, axis=0, fisher=True, bias=True) function calculates the kurtosis (Fisher or Pearson) of a data set. It is the fourth central moment divided by the ... |
MassDNS – High-Performance DNS Stub Resolver Tool | 08 Nov, 2021
MassDNS is a C language-based tool that is simple and has high-performance DNS root resolver capability for those who seek to resolve a massive number of domain names in the order of billions. Without suitable configuration, MassDNS is steady at resolving 346000 words per second using publicly available re... | [
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"text": "MassDNS is a C language-based tool that is simple and has high-performance DNS root resolver capability for those who seek to resolve a massive number of domain names in the o... |
How to read/retrieve data from Database to JSON using JDBC? | A Json array is an ordered collection of values that are enclosed in square brackets i.e. it begins with ‘[’ and ends with ‘]’. The values in the arrays are separated by ‘,’ (comma).
{
"books": [ Java, JavaFX, Hbase, Cassandra, WebGL, JOGL]
}
The json-simple is a light weight library which is used to process JSON ob... | [
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},
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Python – Test if all elements in list are of same type | 09 Mar, 2020
Sometimes, while working with Python, we can have a problem in which we need to test if all the elements of argument are of same type or not. This can have application in many domains such as data Science and day-day programming. Lets discuss certain ways in which this task can be performed.
Method #1 : Us... | [
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Java Program to Compare Two Objects | 16 Jun, 2021
An object is an instance of a class that has its state and behavior. In java, being object-oriented, it is always dynamically created and automatically destroyed by the garbage collector as the scope of the object is over.
Illustration: An example to illustrate an object of a class:
Furniture chair=new Fur... | [
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Java Program to Compute the Running Total of a List | 22 Dec, 2020
A List is an ordered sequence of elements stored together to form a collection. A list is a structure to perform both positional access and index-based retrieval of the elements. Lists can be used to store duplicate as well as null elements. Running Total of a sequence of the elements is the summation of t... | [
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"text": "A List is an ordered sequence of elements stored together to form a collection. A list is a structure to perform both positional access and index-based retrieval of the elemen... |
Number of mismatching bits in the binary representation of two integers | 27 Sep, 2021
Given two integers(less than 2^31) A and B. The task is to find the number of bits that are different in their binary representation.
Examples:
Input : A = 12, B = 15
Output : Number of different bits : 2
Explanation: The binary representation of
12 is 1100 and 15 is 1111.
So, the number of different bi... | [
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"text": "Given two integers(less than 2^31) A and B. The task is to find the number of bits that are different in their binary representation."
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Quadratic Discriminant Analysis | 07 Jan, 2022
Now, Let’s consider a classification problem represented by a Bayes Probability distribution P(Y=k | X=x), LDA does it differently by trying to model the distribution of X given the predictors class (I.e. the value of Y) P(X=x| Y=k):
In LDA, we assume that P(X | Y=k) can be estimated to the multivariate No... | [
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Java Program to generate random number array within a range and get min and max value | At first, create a double array −
double[] val = new double[10];
Now, generate and display random numbers in a loop that loops until the length of the above array. We have used nextInt here for random numbers −
for (int i = 0; i < val.length; i++) {
val[i] = new Random().nextInt(100);
System.out.println(val[i]);
... | [
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"text": "At first, create a double array −"
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"text": "double[] val = new double[10];"
},
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"text": "Now, generate and display random numbers in a ... |
Python – Remove numbers with repeating digits | 28 Apr, 2022
Given a list of numbers, the task is to write a Python program to remove all numbers with repetitive digits.
Examples:
Input : test_list = [4252, 6578, 3421, 6545, 6676]
Output : test_list = [6578, 3421]
Explanation : 4252 has 2 occurrences of 2 hence removed. Similar case for all other removed.
Input : te... | [
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SQLite - UPDATE Query | SQLite UPDATE Query is used to modify the existing records in a table. You can use WHERE clause with UPDATE query to update selected rows, otherwise all the rows would be updated.
Following is the basic syntax of UPDATE query with WHERE clause.
UPDATE table_name
SET column1 = value1, column2 = value2...., columnN = val... | [
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PostgreSQL – Variables | 28 Aug, 2020
In PostgreSQL, a variable is a meaningful name for a memory location. A variable holds a value that can be changed through the block or function. A variable is always associated with a particular data type. Before using a variable, you must declare it in the declaration section of the PostgreSQL Block. The... | [
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- Unix, Linux Command | The actual cipher string can take several different forms.
It can consist of a single cipher suite such as RC4-SHA.
It can represent a list of cipher suites containing a certain algorithm, or
cipher suites of a certain type. For example SHA1 represents all ciphers
suites using the digest algorithm SHA1 and SSLv3 re... | [
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"text": "\nIt can consist of a single cipher suite such as RC4-SHA.\n"
},
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"code": null,
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Finding the candidate keys for Sub relations using Functional Dependencies | 25 Sep, 2020
We know how to find candidate keys for a relation already, you can check here Finding Attribute Closure and Candidate Keys using Functional Dependencies. But here we will learn to find out the candidate keys for a sub relation which is a little bit different from that of finding out candidate keys for a re... | [
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"text": "We know how to find candidate keys for a relation already, you can check here Finding Attribute Closure and Candidate Keys using Functional Dependencies. But here we will lear... |
HTML | <hr> noshade Attribute | 28 May, 2019
The HTML <hr> noshade Attribute is the boolean value and used to specify the solid horizontal line instead of shaded lines.
Syntax:
<hr noshade>
Note: The <hr> noshade Attribute is not supported by HTML 5.
Example:
<!DOCTYPE html><html> <head> <title> HTML hr noshade Attribute </title></head>... | [
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Image Processing — Blob Detection | by Ralph Caubalejo | Towards Data Science | Image processing is primarily used to extract different features in an image. Since digital images contain different objects and information, it is evident that this kind of information is extracted from such images.
To do this, we can perform image processing techniques to single out and detect such features and objec... | [
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Elastic Net Regression in R Programming - GeeksforGeeks | 28 Jul, 2020
Elastic Net regression is a classification algorithm that overcomes the limitations of the lasso(least absolute shrinkage and selection operator) method which uses a penalty function in its L1 regularization. Elastic Net regression is a hybrid approach that blends both penalizations of the L2 and L1 regula... | [
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Display Inline-Block Working with CSS | The CSS Display property with value inline-block renders an element according to content’s width or provided width whichever is greater, it does not force a line break until parent element’s width is fully utilized.
Following is the syntax of CSS display inline-block −
Selector {
display: inline-block;
}
Let’s see a... | [
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GATE | GATE-CS-2016 (Set 2) | Question 41 - GeeksforGeeks | 21 Nov, 2019
Consider a processor with 64 registers and an instruction set of size twelve. Each instruction has five distinct fields, namely, opcode, two source register identifiers, one destination register identifier, and a twelve-bit immediate value. Each instruction must be stored in memory in a byte-aligned fashio... | [
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Google Geo-coding Web Service (JSON response) - GeeksforGeeks | 19 Dec, 2017
Prerequisite : JSON Formatting in PythonGoogle has an excellent web service that allows us to make use of their large database of geographic information. Here, we are going to be working with the Google Maps API. In the old days, this Maps API was free and did 2, 500 requests per day but now they’ve made i... | [
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"text": "Prerequisite : JSON Formatting in PythonGoogle has an excellent web service that allows us to make use of their large database of geographic information. Here, we ... |
Named function expression in JavaScript | Following is the code to implement named function expression in JavaScript.
Live Demo
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdan... | [
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"text": "<!DOCTYPE html>\n<html l... |
Lodash - difference method | _.difference(array, [values])
Creates an array of array values not included in the other given arrays using SameValueZero for equality comparisons. The order and references of result values are determined by the first array.
array (Array) − The array to inspect.
array (Array) − The array to inspect.
[values] (...Array... | [
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Time Series Feature Extraction on (Really) Large Data Samples | by Nils Braun | Towards Data Science | Time Series data is everywhere today. From stock market trends to EEG measurements, from Industry 4.0 production lines to IoT sensors — temporarily annotated data hides in a lot of places. It comes in many flavors, sizes, and complexities.
In this series of two posts, we will explore how we can extract features from ti... | [
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},
{
"... |
Imbalanced Data in Classification: General Solution & Case Study | by Hadeer Hammad | Towards Data Science | Authors: Hadeer Hammad & Min Zhou, PhD
When dealing with a classification problem, how does the one approach a dataset that has significantly more data points in one of its binary classes compared to the other class? Such datasets are referred as imbalanced. Would it be wise to simply implement a classification model o... | [
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Time Series Forecast in Python. End to End Time Series Forecast using... | by Songhao Wu | Towards Data Science | Since the start of Covid and the lockdown, walking out freely has been a luxury for many people including myself. Personally, I have been trying to walk away from my laptop and go out for some fresh air each day. Each week, I would look at my step count from my phone and see whether I have been exercising enough.
How c... | [
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"text": "Since the start of Covid and the lockdown, walking out freely has been a luxury for many people including myself. Personally, I have been trying to walk away from my laptop and go out for some fresh air each day. Each week, I would look at my step count f... |
The Correct Way to Average the Globe | by Luke Gloege, Ph.D. | Towards Data Science | The average. It’s a simple enough calculation: add up all your data points and divide by the total number points. Does this simple equation work if you are, for instance, calculating the global average temperature? Not quite. This post outlines how to calculate the global average of a gridded dataset with dimensions: t... | [
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"e": 833,
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"text": "The average. It’s a simple enough calculation: add up all your data points and divide by the total number points. Does this simple equation work if you are, for instance, calculating the global average temperature? Not quite. This post outlines how to cal... |
Maximum Sum Path in Two Arrays | Practice | GeeksforGeeks | Given two sorted arrays such the arrays may have some common elements. Find the sum of the maximum sum path to reach from beginning of any array to end of any of the two arrays. You can start from any array and switch from one array to another array only at common elements.
Example 1:
Input:
M = 5, N = 4
Arr1[] = {2, ... | [
{
"code": null,
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"text": "Given two sorted arrays such the arrays may have some common elements. Find the sum of the maximum sum path to reach from beginning of any array to end of any of the two arrays. You can start from any array and switch from one array to another array only ... |
Converting XMLGregorianCalendar to Date in Java - GeeksforGeeks | 03 Mar, 2021
XMLGregorianCalendar can be transformed into either java.util.Date or java.sql.Date as per the requirements. JAXB (Java API/XML Bindings Architecture) is a common framework for creating XML documents from Java objects and XML files from Java objects. JAXB also allows the XML Schema file to construct Java c... | [
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"text": "XMLGregorianCalendar can be transformed into either java.util.Date or java.sql.Date as per the requirements. JAXB (Java API/XML Bindings Architecture) is a common ... |
Matplotlib.figure.Figure.set_tight_layout() in Python - GeeksforGeeks | 03 May, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, which contains all the plot elements. This module is used to control the default spacing of the subplots and top level container for all plot elemen... | [
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"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, whic... |
DAX Filter - ALLNOBLANKROW function | Returns all rows but the blank row, or all distinct values of a column but the blank row from the parent table of a relationship and disregards any context filters that might exist.
ALLNOBLANKROW (<table>|<column>)
table
The table over which all context filters are removed.
column
The column over which all context fi... | [
{
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"s": 2001,
"text": "Returns all rows but the blank row, or all distinct values of a column but the blank row from the parent table of a relationship and disregards any context filters that might exist."
},
{
"code": null,
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"s": 2183,
"text": "... |
DataInputStream read() method in Java with Examples - GeeksforGeeks | 05 Jun, 2020
The read() method of DataInputStream class in Java is of two types:
read(byte[] b) method of DataInputStream class in Java is used to read bytes from the input stream and store them into the buffer byte array.This read() method returns the number of bytes actually read as an integer type. This method retur... | [
{
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},
{
"code": null,
"e": 25305,
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"text": "The read() method of DataInputStream class in Java is of two types:"
},
{
"code": null,
"e": 30003,
"s": 25305,
"text": "read(byte[] b) method ... |
Decidability Table in Theory of Computation | 28 Oct, 2020
Prerequisite – Undecidability, Decidable and undecidable problems Identifying languages (or problems*) as decidable, undecidable or partially decidable is a very common question in GATE. With correct knowledge and ample experience, this question becomes very easy to solve.
A language is undecidable if it ... | [
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{
"code": null,
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"text": "Prerequisite – Undecidability, Decidable and undecidable problems Identifying languages (or problems*) as decidable, undecidable or partially decidable is a very common quest... |
Goldman Sachs Interview Experience (Software Engineer - Experienced) - GeeksforGeeks | 22 Nov, 2019
I contacted the recruiter through LinkedIn and share my resume with them. Within 2 days, he sent me the test link. At that time I was having 1 year of experience as an Application Developer.Round 1: Hackerrank TestDuration: 1.5 hourNumber of Questions to be solved: 2
Question 1: Easy DP (Related to nth Sta... | [
{
"code": null,
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"text": "\n22 Nov, 2019"
},
{
"code": null,
"e": 25491,
"s": 25223,
"text": "I contacted the recruiter through LinkedIn and share my resume with them. Within 2 days, he sent me the test link. At that time I was having 1 year of experience a... |
Collections synchronizedCollection() method in Java with Examples - GeeksforGeeks | 08 Jul, 2021
The synchronizedCollection() method of java.util.Collections class is used to return a synchronized (thread-safe) collection backed by the specified collection. In order to guarantee serial access, it is critical that all access to the backing collection is accomplished through the returned collection.Synt... | [
{
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"text": "The synchronizedCollection() method of java.util.Collections class is used to return a synchronized (thread-safe) collection backed by the specified collection. In... |
Python MySQL - Insert Data | You can add new rows to an existing table of MySQL using the INSERT INTO statement. In this, you need to specify the name of the table, column names, and values (in the same order as column names).
Following is the syntax of the INSERT INTO statement of MySQL.
INSERT INTO TABLE_NAME (column1, column2, column3,...column... | [
{
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"text": "You can add new rows to an existing table of MySQL using the INSERT INTO statement. In this, you need to specify the name of the table, column names, and values (in the same order as column names)."
},
{
"code": null,
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Powerful EDA (Exploratory Data Analysis) in just two lines of code using Sweetviz | by Francois Bertrand | Towards Data Science | Update January 2021: Sweetviz now supports notebook integration (you can insert reports inline) and new features!
Exploratory data analysis (EDA) is an essential early step in most data science projects and it often consists of taking the same steps to characterize a dataset (e.g. find out data types, missing informati... | [
{
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"text": "Update January 2021: Sweetviz now supports notebook integration (you can insert reports inline) and new features!"
},
{
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"s": 285,
"text": "Exploratory data analysis (EDA) is an essential early step in most data ... |
openCV GPU usage disappoints.... Use the GPU with your openCV code, get... | by Peter Gaston | Towards Data Science | Several times I’ve been drawn to the siren call of using key openCV calls on the GPU. Most recently for the matchTemplate call — before that for calls relating to visual odometry. Ah, disappointment!
The situation now is that I have 31 possible images (or templates) to match against the image from the sensor. I want to... | [
{
"code": null,
"e": 372,
"s": 172,
"text": "Several times I’ve been drawn to the siren call of using key openCV calls on the GPU. Most recently for the matchTemplate call — before that for calls relating to visual odometry. Ah, disappointment!"
},
{
"code": null,
"e": 816,
"s": 372,... |
Angular Material 7 - Expansion Panel | The <mat-expansion-panel>, an Angular Directive, is used to create an expandable detail v/s summary view.
<mat-expansion-panel-header> − Represents the header section. Contains summary of panel and acts as control to expand or collapse the panel.
<mat-expansion-panel-header> − Represents the header section. Contains su... | [
{
"code": null,
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"text": "The <mat-expansion-panel>, an Angular Directive, is used to create an expandable detail v/s summary view."
},
{
"code": null,
"e": 3002,
"s": 2861,
"text": "<mat-expansion-panel-header> − Represents the header section. Contains summa... |
How to display length of filtered ng-repeat data in AngularJS ? - GeeksforGeeks | 30 Nov, 2019
The task is to Display the length of filtered ng-repeat data. Here we are going to use alias expression to solve this problem.
Approach: To display the length of filtered ng-repeat data we use an alias expression. We create an alias for the variable used to filter the ng-repeat data and display the length ... | [
{
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},
{
"code": null,
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"text": "The task is to Display the length of filtered ng-repeat data. Here we are going to use alias expression to solve this problem."
},
{
"code": null,
"e":... |
Performing Google Search using Python code? | In this article, we will try to do google search using python code, this comes handy in case you are working on a python project and you need to access some data from the web and the search result(from the web) is going to be used inside your project.
Prerequisite –
You must have python installed on your system.
Instal... | [
{
"code": null,
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"text": "In this article, we will try to do google search using python code, this comes handy in case you are working on a python project and you need to access some data from the web and the search result(from the web) is going to be used inside your project."
... |
OpenCV + CUDA + AWS EC2 + (No More Tears) | by Balakrishnakumar V | Towards Data Science | By default, there is no need to enable OpenCV with CUDA for GPU processing, but during production, when you have heavy OpenCV manipulations to do on image/video files, we can make use of the OpenCV CUDA library to make those operations to run on GPU rather than CPU and it saves a lot of time.
It was not easy as it is s... | [
{
"code": null,
"e": 466,
"s": 172,
"text": "By default, there is no need to enable OpenCV with CUDA for GPU processing, but during production, when you have heavy OpenCV manipulations to do on image/video files, we can make use of the OpenCV CUDA library to make those operations to run on GPU rathe... |
RxJava - NewThread Scheduler | Schedulers.newThread() method creates and returns a Scheduler that creates a new Thread for each unit of work.
Create the following Java program using any editor of your choice in, say, C:\> RxJava.
import java.util.Random;
import io.reactivex.Observable;
import io.reactivex.schedulers.Schedulers;
public class Observ... | [
{
"code": null,
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},
{
"code": null,
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"text": "Create the following Java program using any editor of your choice in, s... |
Document Retrieval using Boolean Model and Vector Space Model - GeeksforGeeks | 23 Dec, 2021
It is a simple retrieval model based on set theory and boolean algebra. Queries are designed as boolean expressions which have precise semantics. The retrieval strategy is based on binary decision criterion. The boolean model considers that index terms are present or absent in a document.
Problem:
Conside... | [
{
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},
{
"code": null,
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"text": "It is a simple retrieval model based on set theory and boolean algebra. Queries are designed as boolean expressions which have precise semantics. The retrieval str... |
C/C++ Preprocessor Directives | In C or C++, we have find different lines stared with (#) symbol. These are called the preprocessing directives. These lines are processed in the preprocessing phase before compiling the code. Here we will see three different types of preprocessing directives. These are −
Conditional Compilation
Line control
Error Dire... | [
{
"code": null,
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"text": "In C or C++, we have find different lines stared with (#) symbol. These are called the preprocessing directives. These lines are processed in the preprocessing phase before compiling the code. Here we will see three different types of preprocessing dire... |
Next greater element in same order as input | 14 May, 2021
Given an array, print the Next Greater Element (NGE) for every element. The Next greater Element for an element x is the first greater element on the right side of x in array. Elements for which no greater element exist, consider next greater element as -1. The next greater elements should be printed in sa... | [
{
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},
{
"code": null,
"e": 386,
"s": 54,
"text": "Given an array, print the Next Greater Element (NGE) for every element. The Next greater Element for an element x is the first greater element on the right side of x in array... |
Find the first circular tour that visits all petrol pumps | 06 Jun, 2022
Suppose there is a circle. There are n petrol pumps on that circle. You are given two sets of data.
The amount of petrol that every petrol pump has.Distance from that petrol pump to the next petrol pump.
The amount of petrol that every petrol pump has.
Distance from that petrol pump to the next petrol pump... | [
{
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},
{
"code": null,
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"text": "Suppose there is a circle. There are n petrol pumps on that circle. You are given two sets of data."
},
{
"code": null,
"e": 256,
"s": 152,
"text": "The a... |
How to run Node.js Server ? | 12 Aug, 2021
In this article, we are going to see how to run a NodeJS server in our local system. NodeJS is just a way for you to run JavaScript outside the browser. It can be used to run desktop app servers or really anything else that you want to do with JavaScript and the thing that we are going to do is actually cr... | [
{
"code": null,
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},
{
"code": null,
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"s": 28,
"text": "In this article, we are going to see how to run a NodeJS server in our local system. NodeJS is just a way for you to run JavaScript outside the browser. It can be used to run ... |
Introduction of Single Accumulator based CPU organization | 13 Jan, 2022
The computers, present in the early days of computer history, had accumulator-based CPUs. In this type of CPU organization, the accumulator register is used implicitly for processing all instructions of a program and storing the results into the accumulator. The instruction format that is used by this CPU ... | [
{
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"text": "\n13 Jan, 2022"
},
{
"code": null,
"e": 454,
"s": 53,
"text": "The computers, present in the early days of computer history, had accumulator-based CPUs. In this type of CPU organization, the accumulator register is used implicitly for pr... |
Session Layer in OSI model | 12 Jan, 2022
Prerequisite : OSI Layer
Introduction :The Session Layer is the 5th layer in the Open System Interconnection (OSI) model. This layer allows users on different machines to establish active communications sessions between them. It is responsible for establishing, maintaining, synchronizing, terminating sessi... | [
{
"code": null,
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"text": "\n12 Jan, 2022"
},
{
"code": null,
"e": 79,
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"text": "Prerequisite : OSI Layer"
},
{
"code": null,
"e": 788,
"s": 79,
"text": "Introduction :The Session Layer is the 5th layer in the Open System Interconnectio... |
How to sort an array on multiple columns using JavaScript ? | 30 Jun, 2020
The task is to sort the JavaScript array on multiple columns with the help of JavaScript. There are two approaches that are discussed below.
Approach 1: Combine the multiple sort operations by OR operator and comparing the strings. For comparing the string, we will use the localeCompare() method.
Example: ... | [
{
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},
{
"code": null,
"e": 169,
"s": 28,
"text": "The task is to sort the JavaScript array on multiple columns with the help of JavaScript. There are two approaches that are discussed below."
},
{
"code": null,
"e... |
Program To Check whether a Triangle is Equilateral, Isosceles or Scalene | 01 Sep, 2021
Given three integers as X, Y, and Z representing the three sides of a triangle, the task is to check whether the triangle formed by the given sides is equilateral, isosceles, or scalene.
Equilateral Triangle: A triangle is said to be equilateral triangle if all the sides are equal. If X, Y, Z are three sid... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n01 Sep, 2021"
},
{
"code": null,
"e": 240,
"s": 53,
"text": "Given three integers as X, Y, and Z representing the three sides of a triangle, the task is to check whether the triangle formed by the given sides is equilateral, isosceles,... |
How to Update All Rows in SQL? | 28 Oct, 2021
In SQL, sometimes situations arise to update all the rows of the table. We will use the UPDATE command to achieve this in SQL. For this article, we will be using the Microsoft SQL Server as our database.
Syntax:
Without WITH conditional clause
UPDATE table_name SET column1 = value1, column2 = value2;
Wit... | [
{
"code": null,
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},
{
"code": null,
"e": 258,
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"text": "In SQL, sometimes situations arise to update all the rows of the table. We will use the UPDATE command to achieve this in SQL. For this article, we will be using the Microsof... |
Stream flatMapToInt() in Java with examples | 06 Dec, 2018
Stream flatMapToInt(Function mapper) returns an IntStream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element. Stream flatMapToInt(Function mapper) is an intermediate operation. These oper... | [
{
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"text": "\n06 Dec, 2018"
},
{
"code": null,
"e": 495,
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"text": "Stream flatMapToInt(Function mapper) returns an IntStream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by a... |
Introduction to Recurrent Neural Network | 28 Jun, 2022
Recurrent Neural Network(RNN) are a type of Neural Network where the output from previous step are fed as input to the current step. In traditional neural networks, all the inputs and outputs are independent of each other, but in cases like when it is required to predict the next word of a sentence, the pr... | [
{
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},
{
"code": null,
"e": 641,
"s": 52,
"text": "Recurrent Neural Network(RNN) are a type of Neural Network where the output from previous step are fed as input to the current step. In traditional neural networks, all the i... |
How to check if a column exist in a MySQL table? | To understand whether a column exist or not, we have the following approaches −
With the help of DESC command
Using SHOW command
Firstly, we will create a table with columns −
mysql> CREATE table ColumnExistDemo
-> (
-> UniqueId int,
-> UniqueName varchar(200),
-> UniqueAddress varchar(200)
-> );
Query OK, 0 rows affec... | [
{
"code": null,
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"s": 1062,
"text": "To understand whether a column exist or not, we have the following approaches −"
},
{
"code": null,
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"s": 1142,
"text": "With the help of DESC command"
},
{
"code": null,
"e": 1191,
"s": 1172,
"text": "U... |
MySQL INSERT INTO Statement | The INSERT INTO statement is used to insert new records in a table.
It is possible to write the INSERT INTO
statement in two ways:
1. Specify both the column names and the values to be inserted:
2. If you are adding values for all the columns of the table, you do not need to
specify the column names in the SQL query.... | [
{
"code": null,
"e": 68,
"s": 0,
"text": "The INSERT INTO statement is used to insert new records in a table."
},
{
"code": null,
"e": 132,
"s": 68,
"text": "It is possible to write the INSERT INTO \nstatement in two ways:"
},
{
"code": null,
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... |
Ansible - Advanced Execution | In this chapter, we will learn what is advanced execution with Ansible.
This is a very important execution strategy where one needs to execute only one execution and not the entire playbook. For example, suppose you only want to stop a server (in case a production issue comes) and then post applying a patch you would l... | [
{
"code": null,
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"text": "In this chapter, we will learn what is advanced execution with Ansible."
},
{
"code": null,
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"s": 1863,
"text": "This is a very important execution strategy where one needs to execute only one execution and not the entire p... |
Tryit Editor v3.6 - Show Python | mydb = mysql.connector.connect(
host="localhost",
user="myusername",
password="mypassword",
database="mydatabase"
)
mycursor = mydb.cursor() | [
{
"code": null,
"e": 57,
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"text": "mydb = mysql.connector.connect("
},
{
"code": null,
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"text": " host=\"localhost\","
},
{
"code": null,
"e": 98,
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"text": " user=\"myusername\","
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Where is the population center of the world? | by Paul Hiemstra | Towards Data Science | Much of the power in the world is concentrated in western countries like the US and Europe, making those places very prominent on the world stage. But where is the center of the world if we go by population numbers? Inspired by a Real Life Lore youtube video I went looking for the smallest circle one can draw on the Ea... | [
{
"code": null,
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"text": "Much of the power in the world is concentrated in western countries like the US and Europe, making those places very prominent on the world stage. But where is the center of the world if we go by population numbers? Inspired by a Real Life Lore youtube vi... |
JavaFX - Layout Panes HBox | If we use HBox in the layout in our application, all the nodes are set in a single horizontal row.
The class named HBox of the package javafx.scene.layout represents the HBox pane. This class contains five properties namely −
alignment − This property represents the alignment of the nodes in the bounds of the HBox. You... | [
{
"code": null,
"e": 1999,
"s": 1900,
"text": "If we use HBox in the layout in our application, all the nodes are set in a single horizontal row."
},
{
"code": null,
"e": 2126,
"s": 1999,
"text": "The class named HBox of the package javafx.scene.layout represents the HBox pane. T... |
Program to unfold a folded linked list - GeeksforGeeks | 12 Jan, 2022
A linked list L0 -> L1 -> L2 -> ..... -> LN can be folded as L0 -> LN -> L1 -> LN – 1 -> L2 -> ..... Given a folded linked list, the task is to unfold and print the original linked list
Examples:
Input: 1 -> 6 -> 2 -> 5 -> 3 -> 4 Output: 1 2 3 4 5 6
Input: 1 -> 5 -> 2 -> 4 -> 3 Output: 1 2 3 4 5
Approac... | [
{
"code": null,
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"text": "\n12 Jan, 2022"
},
{
"code": null,
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"text": "A linked list L0 -> L1 -> L2 -> ..... -> LN can be folded as L0 -> LN -> L1 -> LN – 1 -> L2 -> ..... Given a folded linked list, the task is to unfold and print th... |
Tryit Editor v3.7 | Tryit: HTML subscripted text | [] |
Create multiple select list in Bootstrap | To create multiple select lists in Bootstrap, use multiple,
<select multiple class = "form-control">
You can try to run the following code to implement multiple select −
Live Demo
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<meta name = "viewport" content = "width = device-width, initi... | [
{
"code": null,
"e": 1122,
"s": 1062,
"text": "To create multiple select lists in Bootstrap, use multiple,"
},
{
"code": null,
"e": 1163,
"s": 1122,
"text": "<select multiple class = \"form-control\">"
},
{
"code": null,
"e": 1232,
"s": 1163,
"text": "You can ... |
C# Program to write an array to a file | Use WriteAllLines method to write an array to a file.
Firstly, set a string array −
string[] stringArray = new string[] {
"one",
"two",
"three"
};
Now, use the WriteAllLines method to add the above array to a file −
File.WriteAllLines("new.txt", stringArray);
Here is the complete code −
Live Demo
using System... | [
{
"code": null,
"e": 1116,
"s": 1062,
"text": "Use WriteAllLines method to write an array to a file."
},
{
"code": null,
"e": 1146,
"s": 1116,
"text": "Firstly, set a string array −"
},
{
"code": null,
"e": 1218,
"s": 1146,
"text": "string[] stringArray = new ... |
LinkedHashSet clone() Method in Java with Examples - GeeksforGeeks | 18 Nov, 2021
The clone() method of LinkedHashSet class is used to return a shallow copy of the mentioned hash set. It just creates a copy of the set.
--> java.util Package
--> LinkedHashSet Class
--> clone() Method
Syntax:
linked_hash_set.clone()
Parameters: The method does not take any parameters.
Re... | [
{
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"text": "\n18 Nov, 2021"
},
{
"code": null,
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"text": "The clone() method of LinkedHashSet class is used to return a shallow copy of the mentioned hash set. It just creates a copy of the set."
},
{
"code": null... |
Would You Rather Be an NLP or Computer Vision Data Scientist? | Towards Data Science | IntroductionData ScienceNatural Langauge ProcessingComputer VisionSummaryReferences
Introduction
Data Science
Natural Langauge Processing
Computer Vision
Summary
References
When applying for a position as a Data Scientist, you may see a variety of skills required in the job description section. You scroll down and then... | [
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},
... |
Data science with Python: Turn your conditional loops to Numpy vectors | by Tirthajyoti Sarkar | Towards Data Science | Python is fast emerging as the de-facto programming language of choice for data scientists. But unlike R or Julia, it is a general purpose language and does not have a functional syntax to start analyzing and transforming numerical data right out of the box. So, it needs specialized library.
Numpy, short for Numerical ... | [
{
"code": null,
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"s": 171,
"text": "Python is fast emerging as the de-facto programming language of choice for data scientists. But unlike R or Julia, it is a general purpose language and does not have a functional syntax to start analyzing and transforming numerical data right out of the b... |
Useful Tools for Detecting Earning Manipulation and Fraud | by Henry Feng | Towards Data Science | In the summer term of MSBA, I was encountered with the biggest dataset I have ever dealt with at that point of time. It is the assignment from Financial Accounting course. The topic is related to detection of earning manipulation and fraud using companies accounting data.
The dataset is from Compustat, a database of fi... | [
{
"code": null,
"e": 319,
"s": 46,
"text": "In the summer term of MSBA, I was encountered with the biggest dataset I have ever dealt with at that point of time. It is the assignment from Financial Accounting course. The topic is related to detection of earning manipulation and fraud using companies ... |
Predicting Wine Quality using Text Reviews | by Mandy Gu | Towards Data Science | The data set contains two files scraped on separate days. I will be using the file winemag-data_first150k.csv as the training set and winemag-data-130k-v2.csv (scrapes from a later date) as the testing est.
Here is the repository for the code.
WineEnthusiasts use a points scale ranging from 1 to 100 to rate their wines... | [
{
"code": null,
"e": 379,
"s": 172,
"text": "The data set contains two files scraped on separate days. I will be using the file winemag-data_first150k.csv as the training set and winemag-data-130k-v2.csv (scrapes from a later date) as the testing est."
},
{
"code": null,
"e": 416,
"s... |
GATE | GATE-CS-2015 (Set 1) | Question 65 - GeeksforGeeks | 28 Jun, 2021
Match the following
List-I List-II
A. Condition coverage 1. Black-box testing
B. Equivalence class partitioning 2. System testing
C. Volume testing 3. White-box testing
D. Alpha testing 4. Performance testing
Co... | [
{
"code": null,
"e": 24466,
"s": 24438,
"text": "\n28 Jun, 2021"
},
{
"code": null,
"e": 24486,
"s": 24466,
"text": "Match the following"
},
{
"code": null,
"e": 24837,
"s": 24486,
"text": " List-I List-II\nA. Condition coverag... |
HTML5 - Entities Reference | Some characters are reserved in HTML5. For example, you cannot use the greater than and less than signs or angle brackets within your text because the browser could mistake them for markup.
HTML5 processors must support the five special characters listed in the table that follows.
To write an element and attribute into... | [
{
"code": null,
"e": 2798,
"s": 2608,
"text": "Some characters are reserved in HTML5. For example, you cannot use the greater than and less than signs or angle brackets within your text because the browser could mistake them for markup."
},
{
"code": null,
"e": 2890,
"s": 2798,
"... |
How to Build Simple Terminal like Website using jQuery ? - GeeksforGeeks | 09 Nov, 2021
Terminal is one of the most common tool used by developers. Many applications, frameworks, and even programming languages have more function which can be invoked using command line interface. Most of the computers come with at least one terminal in their operating system with command prompt now most replac... | [
{
"code": null,
"e": 24624,
"s": 24596,
"text": "\n09 Nov, 2021"
},
{
"code": null,
"e": 25014,
"s": 24624,
"text": "Terminal is one of the most common tool used by developers. Many applications, frameworks, and even programming languages have more function which can be invoked u... |
Different ways to overload a method in Java | Method overloading can be achieved in following three ways −
By changing the number of parameters in the method.
By changing the order of parameter types
By changing the data types of the parameters.
See the example below−
Live Demo
public class Tester {
public static void main(String args[]) {
Tester tester ... | [
{
"code": null,
"e": 1123,
"s": 1062,
"text": "Method overloading can be achieved in following three ways −"
},
{
"code": null,
"e": 1175,
"s": 1123,
"text": "By changing the number of parameters in the method."
},
{
"code": null,
"e": 1216,
"s": 1175,
"text":... |
Is Normal Distribution Necessary in Regression? How to track and fix it? | by Songhao Wu | Towards Data Science | I believe for every person who studied statistics before, normal distribution(Gaussian distribution) is one of the most important concepts that they learned. Every time when I run a model or do data analysis, I tend to check the distribution of dependent variables and independent variables and see whether they are norm... | [
{
"code": null,
"e": 593,
"s": 172,
"text": "I believe for every person who studied statistics before, normal distribution(Gaussian distribution) is one of the most important concepts that they learned. Every time when I run a model or do data analysis, I tend to check the distribution of dependent ... |
Cosine Similarity Intuition With Implementation in Python | by Vinicius Monteiro | Towards Data Science | It’s often the case in machine learning that you need to compare data and analyze how similar they are.
For instance, in automatic text summarization, during training, you need to identify which sentences from the original document are similar to the sentences in the reference summary. The same is required to evaluate ... | [
{
"code": null,
"e": 276,
"s": 172,
"text": "It’s often the case in machine learning that you need to compare data and analyze how similar they are."
},
{
"code": null,
"e": 526,
"s": 276,
"text": "For instance, in automatic text summarization, during training, you need to identi... |
Intellij Idea - Build Tools | IntelliJ provides a way to build and package Java package. It supports external build tools
like Maven and Gradle. This chapter discusses about these build tools.
Follow these steps to create a Maven project −
Navigate to File → Project.
Navigate to File → Project.
Select Maven option and click on Next button.
Select M... | [
{
"code": null,
"e": 2252,
"s": 2089,
"text": "IntelliJ provides a way to build and package Java package. It supports external build tools\nlike Maven and Gradle. This chapter discusses about these build tools."
},
{
"code": null,
"e": 2299,
"s": 2252,
"text": "Follow these steps... |
7 Segment Display | Practice | GeeksforGeeks | Using seven segment display, you can write down any digit from 0 to 9 using at most seven segments. You will be given a positive number N and then a number of N digits. You have to rearrange the segments in this N digit number to get the smallest possible N digit number. This number can have leading zeros. You can not ... | [
{
"code": null,
"e": 670,
"s": 238,
"text": "Using seven segment display, you can write down any digit from 0 to 9 using at most seven segments. You will be given a positive number N and then a number of N digits. You have to rearrange the segments in this N digit number to get the smallest possible... |
Dynamic Attributes in Python - GeeksforGeeks | 26 May, 2020
Dynamic attributes in Python are terminologies for attributes that are defined at runtime, after creating the objects or instances. In Python we call all functions, methods also as an object. So you can define a dynamic instance attribute for nearly anything in Python. Consider the below example for better... | [
{
"code": null,
"e": 24316,
"s": 24288,
"text": "\n26 May, 2020"
},
{
"code": null,
"e": 24655,
"s": 24316,
"text": "Dynamic attributes in Python are terminologies for attributes that are defined at runtime, after creating the objects or instances. In Python we call all functions... |
How to convert a List to JSON array using the Jackson library in Java? | The ObjectMapper class is the most important class in the Jackson API that provides readValue() and writeValue() methods to transform JSON to Java Object and Java Object to JSON. We can convert a List to JSON array using the writeValueAsString() method of ObjectMapper class and this method can be used to serialize any ... | [
{
"code": null,
"e": 1406,
"s": 1062,
"text": "The ObjectMapper class is the most important class in the Jackson API that provides readValue() and writeValue() methods to transform JSON to Java Object and Java Object to JSON. We can convert a List to JSON array using the writeValueAsString() method ... |
Decimal Number System - GeeksforGeeks | 16 Apr, 2020
A number system can be considered as a mathematical notation of numbers using a set of digits or symbols. In simpler words the number system is a method of representing numbers. Every number system is identified with the help of its base or radix. For example, Binary, Octal, Decimal and Hexadecimal Number ... | [
{
"code": null,
"e": 24040,
"s": 24012,
"text": "\n16 Apr, 2020"
},
{
"code": null,
"e": 24395,
"s": 24040,
"text": "A number system can be considered as a mathematical notation of numbers using a set of digits or symbols. In simpler words the number system is a method of represe... |
Getting Instagram profile details using Python - GeeksforGeeks | 21 Jul, 2021
Instagram is a photo and video-sharing social networking service owned by Facebook. In this article, we will learn how can we get Instagram profile details using web scraping. Python provides powerful tools for web scraping, we will be using BeautifulSoup here.Modules required and Installation:Requests : R... | [
{
"code": null,
"e": 24748,
"s": 24720,
"text": "\n21 Jul, 2021"
},
{
"code": null,
"e": 25180,
"s": 24748,
"text": "Instagram is a photo and video-sharing social networking service owned by Facebook. In this article, we will learn how can we get Instagram profile details using w... |
Take screenshot of the options in dropdown in selenium c#. | We can take screenshots of the options in dropdown with Selenium Webdriver. A screenshot is generally captured for the failure test cases. This is achieved with the help of ITakesScreenshot interface.
We shall take the help of GetScreenshot method to grab the screenshot. Finally, the SaveAsFile method is used where we ... | [
{
"code": null,
"e": 1263,
"s": 1062,
"text": "We can take screenshots of the options in dropdown with Selenium Webdriver. A screenshot is generally captured for the failure test cases. This is achieved with the help of ITakesScreenshot interface."
},
{
"code": null,
"e": 1450,
"s": ... |
How to translate an image or icon by hovering over it? - GeeksforGeeks | 19 May, 2020
Image translation can be an effective way to add a responsive edge to your website. This article will have two sections, the first section will contain the structure for adding the image/icon to the web-page and the second section will contain designing the structure using CSS.
Also, to give an idea regard... | [
{
"code": null,
"e": 25376,
"s": 25348,
"text": "\n19 May, 2020"
},
{
"code": null,
"e": 25655,
"s": 25376,
"text": "Image translation can be an effective way to add a responsive edge to your website. This article will have two sections, the first section will contain the structu... |
Const Qualifier in C - GeeksforGeeks | 30 Jul, 2021
The qualifier const can be applied to the declaration of any variable to specify that its value will not be changed ( Which depends upon where const variables are stored, we may change the value of const variable by using pointer ). The result is implementation-defined if an attempt is made to change a con... | [
{
"code": null,
"e": 24438,
"s": 24410,
"text": "\n30 Jul, 2021"
},
{
"code": null,
"e": 24775,
"s": 24438,
"text": "The qualifier const can be applied to the declaration of any variable to specify that its value will not be changed ( Which depends upon where const variables are ... |
C# | Getting an enumerator that iterates through HashSet<T> - GeeksforGeeks | 01 Feb, 2019
HashSet<T>.GetEnumerator Method is used to get an enumerator that iterates through a HashSet object.
Syntax:
public System.Collections.Generic.HashSet<T>.Enumerator GetEnumerator ();
Return Value: It returns a HashSet<T>.Enumerator object for the HashSet<T> object.
Below programs illustrate the use of abov... | [
{
"code": null,
"e": 24744,
"s": 24716,
"text": "\n01 Feb, 2019"
},
{
"code": null,
"e": 24845,
"s": 24744,
"text": "HashSet<T>.GetEnumerator Method is used to get an enumerator that iterates through a HashSet object."
},
{
"code": null,
"e": 24853,
"s": 24845,
... |
How to display a sequence of images using Matplotlib? | To display a sequence of images using Matplotlib, we can take the following steps −
Set the figure size and adjust the padding between and around the subplots.
Set the figure size and adjust the padding between and around the subplots.
Make a list of images that have to be drawn.
Make a list of images that have to be d... | [
{
"code": null,
"e": 1146,
"s": 1062,
"text": "To display a sequence of images using Matplotlib, we can take the following steps −"
},
{
"code": null,
"e": 1222,
"s": 1146,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
"code": ... |
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