title stringlengths 3 221 | text stringlengths 17 477k | parsed listlengths 0 3.17k |
|---|---|---|
Python Pandas – Check for Null values using notnull() | The notnull() method returns a Boolean value i.e. if the DataFrame is having null value(s), then False is returned, else True.
Let’s say the following is our CSV file with some NaN i.e. null values −
Let us first read the CSV file −
dataFrame = pd.read_csv("C:\\Users\\amit_\\Desktop\\CarRecords.csv")
Checking for not n... | [
{
"code": null,
"e": 1189,
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"text": "The notnull() method returns a Boolean value i.e. if the DataFrame is having null value(s), then False is returned, else True."
},
{
"code": null,
"e": 1262,
"s": 1189,
"text": "Let’s say the following is our CSV file with some NaN i... |
Classification on a large and noisy dataset with R | by Gabriel Pierobon | Towards Data Science | Some days ago I wrote an article describing a comprehensive supervised learning workflow in R with multiple modelling using packages caret and caretEnsemble. Back then I mentioned that the I was using was kind of an easy one, in the sense that it was fully numeric, perfectly filled (not a single missing value), no cate... | [
{
"code": null,
"e": 508,
"s": 46,
"text": "Some days ago I wrote an article describing a comprehensive supervised learning workflow in R with multiple modelling using packages caret and caretEnsemble. Back then I mentioned that the I was using was kind of an easy one, in the sense that it was fully... |
How can we sort a JTable on a particular column in Java? | A JTable is a subclass of JComponent class for displaying complex data structures. A JTable component can follow the Model View Controller (MVC) design pattern for displaying the data in rows and columns. A JTable can generate TableModelListener, TableColumnModelListener, ListSelectionListener, CellEditorListener, RowS... | [
{
"code": null,
"e": 1530,
"s": 1062,
"text": "A JTable is a subclass of JComponent class for displaying complex data structures. A JTable component can follow the Model View Controller (MVC) design pattern for displaying the data in rows and columns. A JTable can generate TableModelListener, TableC... |
Get the minimum value from a list with multiple columns in MySQL? | Let us first create a table −
mysql> create table DemoTable756 (
Value1 int,
Value2 int,
Value3 int
);
Query OK, 0 rows affected (0.62 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable756 values(10,20,14);
Query OK, 1 row affected (0.22 sec)
mysql> insert into DemoTable7... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1211,
"s": 1092,
"text": "mysql> create table DemoTable756 (\n Value1 int,\n Value2 int,\n Value3 int\n);\nQuery OK, 0 rows affected (0.62 sec)"
},
{
"code": null,
... |
How to make the corners of a button round in iOS? | You might come across a scenarios where you received a UI where the buttons are rounded, and you might wonder how to do that? So here we will see how to make corners of a button round.
We will be seeing both the ways to make the button rounded, one using Storyboard and another programmatically.
Let’s get started! First... | [
{
"code": null,
"e": 1247,
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"text": "You might come across a scenarios where you received a UI where the buttons are rounded, and you might wonder how to do that? So here we will see how to make corners of a button round."
},
{
"code": null,
"e": 1358,
"s": 1247,
"text"... |
Pseudo-terminal Utilities in Python | The Pseudo-terminal utility module pty is defined to handle pseudo-terminal concepts. Using this we can start another process, and also can read or write from controlling terminal using programs.
This module is highly platform oriented. We should use UNIX systems to perform these operations.
To use the pty module, we s... | [
{
"code": null,
"e": 1258,
"s": 1062,
"text": "The Pseudo-terminal utility module pty is defined to handle pseudo-terminal concepts. Using this we can start another process, and also can read or write from controlling terminal using programs."
},
{
"code": null,
"e": 1355,
"s": 1258,... |
Inter-Process Communication (IPC) in ElectronJS - GeeksforGeeks | 03 Dec, 2021
ElectronJS is used for building Cross-Platform Native Desktop applications using web technologies such as HTML, CSS, and JavaScript which are capable of running on Windows, macOS, and Linux Operating Systems. It combines the Chromium engine and NodeJS into a Single Runtime. Several notable open-source proj... | [
{
"code": null,
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"s": 24091,
"text": "\n03 Dec, 2021"
},
{
"code": null,
"e": 24583,
"s": 24119,
"text": "ElectronJS is used for building Cross-Platform Native Desktop applications using web technologies such as HTML, CSS, and JavaScript which are capable of running on... |
How to create a sticky image with CSS? | Following is the code to create a sticky image with CSS −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
img {
position: sticky;
top: 0;
width: 300px;
height: 300px;
}
</style>
</head>
<body>
<h1>Some header text</h1>
<img src="https://i... | [
{
"code": null,
"e": 1120,
"s": 1062,
"text": "Following is the code to create a sticky image with CSS −"
},
{
"code": null,
"e": 1131,
"s": 1120,
"text": " Live Demo"
},
{
"code": null,
"e": 1844,
"s": 1131,
"text": "<!DOCTYPE html>\n<html>\n<head>\n<meta nam... |
How to count and sum a field between 2 dates in MongoDB? | Use aggregation gteandlte along with $sum to count and sum a field between 2 dates. Let us first create a collection with documents −
> db.countandsumdemo.insertOne({"Value":10,"created_at":ISODate('2019-10-11')});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e038e6df5e889d7a51994fa")
}
> db.countandsumdemo... | [
{
"code": null,
"e": 1196,
"s": 1062,
"text": "Use aggregation gteandlte along with $sum to count and sum a field between 2 dates. Let us first create a collection with documents −"
},
{
"code": null,
"e": 1695,
"s": 1196,
"text": "> db.countandsumdemo.insertOne({\"Value\":10,\"c... |
How to map C++ enums to strings? | Here we will see how to map some enum type data to a string in C++. There is no such direct function to do so. But we can create our own function to convert enum to string.
We shall create a function that takes an enum value as the argument, and we manually return the enum names as a string from that function.
Live De... | [
{
"code": null,
"e": 1235,
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"text": "Here we will see how to map some enum type data to a string in C++. There is no such direct function to do so. But we can create our own function to convert enum to string."
},
{
"code": null,
"e": 1374,
"s": 1235,
"text": "We shall ... |
JavaScript - Date getTime() Method | Javascript date getTime() method returns the numeric value corresponding to the time for the specified date according to universal time. The value returned by the getTime method is the number of milliseconds since 1 January 1970 00:00:00.
You can use this method to help assign a date and time to another Date object.
It... | [
{
"code": null,
"e": 2705,
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"text": "Javascript date getTime() method returns the numeric value corresponding to the time for the specified date according to universal time. The value returned by the getTime method is the number of milliseconds since 1 January 1970 00:00:00."
},
{
... |
Python Program to delete a file | 29 Dec, 2020
Ever wanted to delete a file, that too from a Python program, with a few lines of code? Well, you are in the right place. Today we are going to learn how we are going to be deleting a file by using Python.
Note: We will be importing the os library and going to use the os.remove() function to remove the des... | [
{
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"text": "\n29 Dec, 2020"
},
{
"code": null,
"e": 258,
"s": 52,
"text": "Ever wanted to delete a file, that too from a Python program, with a few lines of code? Well, you are in the right place. Today we are going to learn how we are going to be d... |
Eigenvalues and Eigenvectors in MATLAB | 20 Nov, 2021
Eigenvalues and Eigenvectors are properties of a square matrix.
Let is an N*N matrix, X be a vector of size N*1 and be a scalar.
Then the values X, satisfying the equation are eigenvectors and eigenvalues of matrix A respectively.
A matrix of size N*N possess N eigenvalues
Every eigenvalue corresponds... | [
{
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"text": "\n20 Nov, 2021"
},
{
"code": null,
"e": 92,
"s": 28,
"text": "Eigenvalues and Eigenvectors are properties of a square matrix."
},
{
"code": null,
"e": 158,
"s": 92,
"text": "Let is an N*N matrix, X be a vector of size ... |
Merge Overlapping Intervals | 04 Jul, 2022
Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
Example:
Input: Intervals = {{1,3},{2,4},{6,8},{9,10}}Output: {{1, 4}, {6, 8}, {9, 10}}Explanation: Given intervals: [1,3],[2,4],[6,8],[9,10], we h... | [
{
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"s": 26,
"text": "\n04 Jul, 2022"
},
{
"code": null,
"e": 214,
"s": 54,
"text": "Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals."
},
{
... |
How to get all CSS styles that are applied directly to an element using JavaScript ? | 15 Jul, 2020
The CSS of an element can be obtained using the getComputedStyle element function in JavaScript. It returns a JavaScript object containing CSS properties and their values. This object is indexed and iterable over the property names. The getPropertyValue(property) is used to get the value of a property.
In ... | [
{
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},
{
"code": null,
"e": 332,
"s": 28,
"text": "The CSS of an element can be obtained using the getComputedStyle element function in JavaScript. It returns a JavaScript object containing CSS properties and their values. Thi... |
Aptitude - Profit & Loss Online Quiz | Following quiz provides Multiple Choice Questions (MCQs) related to Profit & Loss. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the... | [
{
"code": null,
"e": 4353,
"s": 4026,
"text": "Following quiz provides Multiple Choice Questions (MCQs) related to Profit & Loss. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button... |
SQL - COUNT Function | SQL COUNT function is the simplest function and very useful in counting the number of records, which are expected to be returned by a SELECT statement.
To understand COUNT function, consider an employee_tbl table, which is having the following records −
SQL> SELECT * FROM employee_tbl;
+------+------+------------+----... | [
{
"code": null,
"e": 2739,
"s": 2587,
"text": "SQL COUNT function is the simplest function and very useful in counting the number of records, which are expected to be returned by a SELECT statement."
},
{
"code": null,
"e": 2842,
"s": 2739,
"text": "To understand COUNT function,... |
HTML | <link> target Attribute | 13 Dec, 2021
The HTML <link> target Attribute is used to specify the window or a frame where the linked document is loaded. It is not supported by HTML 5.
Syntax:
<link target="_blank|_self|_parent|_top|framename">
Attribute Values:
_blank: It opens the link in a new window.
_self: It is the default value. It opens the... | [
{
"code": null,
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"s": 25,
"text": "\n13 Dec, 2021"
},
{
"code": null,
"e": 195,
"s": 53,
"text": "The HTML <link> target Attribute is used to specify the window or a frame where the linked document is loaded. It is not supported by HTML 5."
},
{
"code": null,
... |
Program to find remainder when large number is divided by 11 | 13 Apr, 2021
Given a number n, the task is to find the remainder when n is divided by 11. The input of number may be very large.Examples:
Input : str = 13589234356546756
Output : 6
Input : str = 3435346456547566345436457867978
Output : 4
Since the given number can be very large, we can not use n % 11. There are some ... | [
{
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"e": 54,
"s": 26,
"text": "\n13 Apr, 2021"
},
{
"code": null,
"e": 180,
"s": 54,
"text": "Given a number n, the task is to find the remainder when n is divided by 11. The input of number may be very large.Examples: "
},
{
"code": null,
"e": 281,
"s... |
PostgreSQL – COALESCE | 28 Aug, 2020
In PostgreSQL, the COALESCE function returns the first non-null argument. It is generally used with the SELECT statement to handle null values effectively.
Syntax: COALESCE (argument_1, argument_2, ...);
The COALESCE function accepts an unlimited number of arguments. It returns the first argument that is n... | [
{
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"text": "\n28 Aug, 2020"
},
{
"code": null,
"e": 184,
"s": 28,
"text": "In PostgreSQL, the COALESCE function returns the first non-null argument. It is generally used with the SELECT statement to handle null values effectively."
},
{
"code... |
What are shift operators in C++? | The bitwise shift operators are the right-shift operator (>>), which moves the bits of shift_expression to the right, and the left-shift operator (<<), which moves the bits of shift_expression to the left.
The left-shift operator causes the bits in shift-expression to be shifted to the left by the number of positions s... | [
{
"code": null,
"e": 1268,
"s": 1062,
"text": "The bitwise shift operators are the right-shift operator (>>), which moves the bits of shift_expression to the right, and the left-shift operator (<<), which moves the bits of shift_expression to the left."
},
{
"code": null,
"e": 1607,
... |
What is the difference between String.Copy() and String.Clone() methods in C#? | The String.Copy() method creates a new instance of String. This is same as the specified String.
The following is an example of Copy() method −
Live Demo
using System;
class Demo {
static void Main(String[] args) {
string str1 = "mark";
string str2 = "marcus";
Console.WriteLine("str1 = '{0}'", s... | [
{
"code": null,
"e": 1159,
"s": 1062,
"text": "The String.Copy() method creates a new instance of String. This is same as the specified String."
},
{
"code": null,
"e": 1206,
"s": 1159,
"text": "The following is an example of Copy() method −"
},
{
"code": null,
"e": 1... |
turtle.showturtle() function in Python - GeeksforGeeks | 28 Jul, 2020
The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version of Python installed with Tk support.
This method is used to makes the turtle visible. It doesn’t require any argument.
Syntax:
... | [
{
"code": null,
"e": 24369,
"s": 24341,
"text": "\n28 Jul, 2020"
},
{
"code": null,
"e": 24586,
"s": 24369,
"text": "The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it... |
How to reset a form using jQuery with .reset() method? - GeeksforGeeks | 03 Aug, 2021
Reset gets anything back to its original state. JQuery doesn’t have a reset() method, but native JavaScript does. So, we convert the jQuery element to a JavaScript object.
JavaScript reset(): The reset() method resets the values of all elements in a form (same as clicking the Reset button).
// type-1
<inpu... | [
{
"code": null,
"e": 25699,
"s": 25671,
"text": "\n03 Aug, 2021"
},
{
"code": null,
"e": 25871,
"s": 25699,
"text": "Reset gets anything back to its original state. JQuery doesn’t have a reset() method, but native JavaScript does. So, we convert the jQuery element to a JavaScript... |
How to write custom Python Exceptions with Error Codes and Error Messages? | We can write custom exception classes with error codes and error messages as follows:
class ErrorCode(Exception):
def __init__(self, code):
self.code = code
try:
raise ErrorCode(401)
except ErrorCode as e:
print "Received error with code:", e.code
We get output
C:/Users/TutorialsPoint1/~.py
Rece... | [
{
"code": null,
"e": 1148,
"s": 1062,
"text": "We can write custom exception classes with error codes and error messages as follows:"
},
{
"code": null,
"e": 1334,
"s": 1148,
"text": "class ErrorCode(Exception):\n def __init__(self, code):\n self.code = code\n \ntry:\... |
Interaction effect in multiple regression | by Sufyan Khot | Towards Data Science | Interaction effect is present in statistics as well in marketing. In marketing, this same concept is referred to as the synergy effect. Interaction effect means that two or more features/variables combined have a significantly larger effect on a feature as compared to the sum of the individual variables alone. This eff... | [
{
"code": null,
"e": 618,
"s": 171,
"text": "Interaction effect is present in statistics as well in marketing. In marketing, this same concept is referred to as the synergy effect. Interaction effect means that two or more features/variables combined have a significantly larger effect on a feature a... |
Stack Operations | Practice | GeeksforGeeks | This Java module deals with Stacks, Queues, and ArrayLists. We'll perform various operations on them.
Given a stack of integers and Q queries. The task is to perform operation on stack according to the query.
Note: use push() to add element in the stack, peek() to get topmost element without removal, pop() gives topmos... | [
{
"code": null,
"e": 328,
"s": 226,
"text": "This Java module deals with Stacks, Queues, and ArrayLists. We'll perform various operations on them."
},
{
"code": null,
"e": 435,
"s": 328,
"text": "Given a stack of integers and Q queries. The task is to perform operation on stack a... |
Calculate square of a number without using *, / and pow() - GeeksforGeeks | 23 Mar, 2022
Given an integer n, calculate the square of a number without using *, / and pow().
Examples :
Input: n = 5
Output: 25
Input: 7
Output: 49
Input: n = 12
Output: 144
A Simple Solution is to repeatedly add n to result.
Below is the implementation of this idea.
C++
Java
Python3
C#
PHP
Javascript
// Simpl... | [
{
"code": null,
"e": 24934,
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"text": "\n23 Mar, 2022"
},
{
"code": null,
"e": 25018,
"s": 24934,
"text": "Given an integer n, calculate the square of a number without using *, / and pow(). "
},
{
"code": null,
"e": 25030,
"s": 25018,
"text": "Exampl... |
JavaScript | clearTimeout() & clearInterval() Method - GeeksforGeeks | 26 Jul, 2019
Prerequisite: setTimeout() and setInterval()
clearTimeout()The clearTimeout() function in javascript clears the timeout which has been set by setTimeout()function before that.
setTimeout() function takes two parameters. First a function to be executed and second after how much time (in ms).
setTimeout() ex... | [
{
"code": null,
"e": 25621,
"s": 25593,
"text": "\n26 Jul, 2019"
},
{
"code": null,
"e": 25666,
"s": 25621,
"text": "Prerequisite: setTimeout() and setInterval()"
},
{
"code": null,
"e": 25797,
"s": 25666,
"text": "clearTimeout()The clearTimeout() function in ... |
How to Escape Square Brackets in a LIKE Clause in SQL Server? | 15 Oct, 2021
Here we will see, how to escape square brackets in a LIKE clause. LIKE clause used for pattern matching in SQL using wildcard operators like %, ^, [], etc. If we try to filter the record using a LIKE clause with a string consisting of square brackets, we will not get the expected results.
For example:
For ... | [
{
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"text": "\n15 Oct, 2021"
},
{
"code": null,
"e": 318,
"s": 28,
"text": "Here we will see, how to escape square brackets in a LIKE clause. LIKE clause used for pattern matching in SQL using wildcard operators like %, ^, [], etc. If we try to filter... |
Python | Plotting charts in excel sheet using openpyxl module | Set – 1 | 04 Jul, 2022
Prerequisite: Reading & Writing to excel sheet using openpyxl Openpyxl is a Python library using which one can perform multiple operations on excel files like reading, writing, arithmetic operations and plotting graphs. Let’s see how to plot different charts using realtime data. Charts are composed of at l... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n04 Jul, 2022"
},
{
"code": null,
"e": 699,
"s": 54,
"text": "Prerequisite: Reading & Writing to excel sheet using openpyxl Openpyxl is a Python library using which one can perform multiple operations on excel files like reading, writin... |
The Hidden Wiki | 25 Jan, 2021
The Dark Web is that part of the internet where all the illegal works are done. You can access to the dark web through TOR(The Onion Router). The Hidden Wiki is the name used by censorship-resistant wikis operating as Tor hidden services that anyone can anonymously edit after registering on the site. The m... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n25 Jan, 2021"
},
{
"code": null,
"e": 489,
"s": 54,
"text": "The Dark Web is that part of the internet where all the illegal works are done. You can access to the dark web through TOR(The Onion Router). The Hidden Wiki is the name used... |
Collections.UserString in Python | 31 Aug, 2021
Strings are the arrays of bytes representing Unicode characters. However, Python does not support the character data type. A character is a string of length one. Example:
Python3
# Python program to demonstrate# string # Creating a String # with single QuotesString1 = 'Welcome to the Geeks World'print("Str... | [
{
"code": null,
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"text": "\n31 Aug, 2021"
},
{
"code": null,
"e": 223,
"s": 52,
"text": "Strings are the arrays of bytes representing Unicode characters. However, Python does not support the character data type. A character is a string of length one. Example:"
... |
HTTP headers | Access-Control-Expose-Headers | 19 Nov, 2019
The HTTP Access-Control-Expose-Headers header is a response header that is used to expose the headers that have been mentioned in it. By default 6 response headers are already exposed which are known as CORS-safelisted response headers. They are namely- Cache-Control, Content-Language, Content-Type, Expire... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n19 Nov, 2019"
},
{
"code": null,
"e": 361,
"s": 28,
"text": "The HTTP Access-Control-Expose-Headers header is a response header that is used to expose the headers that have been mentioned in it. By default 6 response headers are already... |
LINQ | How to find minimum value of the given sequence? | 21 May, 2019
In LINQ, you can find the minimum element of the given sequence by using Min() function. This method provides the minimum element of the given set of values. It does not support query syntax in C#, but it supports in VB.NET. It is available in both Enumerable and Queryable classes in C#. It returns null if... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 May, 2019"
},
{
"code": null,
"e": 665,
"s": 28,
"text": "In LINQ, you can find the minimum element of the given sequence by using Min() function. This method provides the minimum element of the given set of values. It does not suppo... |
Python | Integer count in Mixed List | 07 Feb, 2022
The lists in python can handle different type of data types in it. The manipulation of such lists is complicated. Sometimes we have a problem in which we need to find the count of integer values in which the list can contain string as a data type i.e heterogeneous. Let’s discuss certain ways in which this ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Feb, 2022"
},
{
"code": null,
"e": 607,
"s": 28,
"text": "The lists in python can handle different type of data types in it. The manipulation of such lists is complicated. Sometimes we have a problem in which we need to find the coun... |
How to Get a Comma Separated String From an Array in C#? | 17 Jan, 2022
Given an array, now our task is to get a comma-separated string from the given array. So we can do this task using String.Join() method. This method concatenates the items of an array with the help of a comma separator between each item of the array.
Syntax:
String.Join(",", array_name)
Where array_name is... | [
{
"code": null,
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"s": 0,
"text": "\n17 Jan, 2022"
},
{
"code": null,
"e": 279,
"s": 28,
"text": "Given an array, now our task is to get a comma-separated string from the given array. So we can do this task using String.Join() method. This method concatenates the items of ... |
Determining the Number of Clusters in Data Mining | 13 Feb, 2022
In Clustering algorithms like K-Means clustering, we have to determine the right number of clusters for our dataset. This ensures that the data is properly and efficiently divided. An appropriate value of ‘k’ i.e. the number of clusters helps in ensuring proper granularity of clusters and helps in maintain... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n13 Feb, 2022"
},
{
"code": null,
"e": 404,
"s": 28,
"text": "In Clustering algorithms like K-Means clustering, we have to determine the right number of clusters for our dataset. This ensures that the data is properly and efficiently div... |
Python | grid() method in Tkinter | 21 Apr, 2022
The Grid geometry manager puts the widgets in a 2-dimensional table. The master widget is split into a number of rows and columns, and each “cell” in the resulting table can hold a widget. The grid manager is the most flexible of the geometry managers in Tkinter. If you don’t want to learn how and when to ... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n21 Apr, 2022"
},
{
"code": null,
"e": 468,
"s": 53,
"text": "The Grid geometry manager puts the widgets in a 2-dimensional table. The master widget is split into a number of rows and columns, and each “cell” in the resulting table can ... |
How to Create Image Accordion using HTML and CSS ? | 16 Dec, 2021
In this article, we will see how to create an image accordion using HTML & CSS that is basically used for advertising purposes on e-commerce websites. An Accordion is often used to open the multiple sections with full width & also content pushes the page content downward.
Approach:
Create an HTML file in w... | [
{
"code": null,
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},
{
"code": null,
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"text": "In this article, we will see how to create an image accordion using HTML & CSS that is basically used for advertising purposes on e-commerce websites. An Accordion is often u... |
Python | Printing list vertically | 22 Jan, 2019
Printing the list has been dealt many times. But sometimes we need a different format to get the output of list. This also has application in getting a transpose of matrix. Printing list vertically also has application in web development. Lets discuss certain ways in which this task can be achieved.
Method... | [
{
"code": null,
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"text": "\n22 Jan, 2019"
},
{
"code": null,
"e": 329,
"s": 28,
"text": "Printing the list has been dealt many times. But sometimes we need a different format to get the output of list. This also has application in getting a transpose of matrix. Pr... |
Check whether Arithmetic Progression can be formed from the given array | 22 Jun, 2022
Given an array of n integers. The task is to check whether an arithmetic progression can be formed using all the given elements. If possible print “Yes”, else print “No”.
Examples:
Input : arr[] = {0, 12, 4, 8}
Output : Yes
Rearrange given array as {0, 4, 8, 12}
which forms an arithmetic progression.
In... | [
{
"code": null,
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},
{
"code": null,
"e": 225,
"s": 54,
"text": "Given an array of n integers. The task is to check whether an arithmetic progression can be formed using all the given elements. If possible print “Yes”, else print “No”."
... |
Printing longest Increasing consecutive subsequence | 08 Jun, 2022
Given n elements, write a program that prints the longest increasing subsequence whose adjacent element difference is one. Examples:
Input : a[] = {3, 10, 3, 11, 4, 5, 6, 7, 8, 12} Output : 3 4 5 6 7 8 Explanation: 3, 4, 5, 6, 7, 8 is the longest increasing subsequence whose adjacent element differs by o... | [
{
"code": null,
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"text": "\n08 Jun, 2022"
},
{
"code": null,
"e": 189,
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"text": "Given n elements, write a program that prints the longest increasing subsequence whose adjacent element difference is one. Examples: "
},
{
"code": null,
"e": 49... |
HTML | Class Attribute | 10 Aug, 2021
Class in html:
The class is an attribute which specifies one or more class names for an HTML element.
The class attribute can be used on any HTML element.
The class name can be used by CSS and JavaScript to perform certain tasks for elements with the specified class name.
Supported Tags: It supports all ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n10 Aug, 2021"
},
{
"code": null,
"e": 69,
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"text": "Class in html: "
},
{
"code": null,
"e": 156,
"s": 69,
"text": "The class is an attribute which specifies one or more class names for an HTML element."
... |
ReactJS useParams Hook | 17 Mar, 2021
In our React app sometimes we want to access the parameters of the current route in this case useParams hook comes into action. The react-router-dom package has useParams hooks that let you access the parameters of the current route.
Syntax:
useParams();
Creating React Application and Installing required m... | [
{
"code": null,
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},
{
"code": null,
"e": 288,
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"text": "In our React app sometimes we want to access the parameters of the current route in this case useParams hook comes into action. The react-router-dom package has useParams hoo... |
Implement Email Validator in Android - GeeksforGeeks | 14 Dec, 2020
Prerequisite: EditText widget in Android using Java with Examples
Email validation is required to inform the user that the Email entered by the user is not in a valid format. If the user has not entered the Email in the wrong format then the error filed is to be given for the EditText. In this article, it’... | [
{
"code": null,
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"text": "\n14 Dec, 2020"
},
{
"code": null,
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"text": "Prerequisite: EditText widget in Android using Java with Examples"
},
{
"code": null,
"e": 26618,
"s": 26131,
"text": "Email validation is requ... |
Find an element in Bitonic array - GeeksforGeeks | 04 Mar, 2022
Given a bitonic sequence of n distinct elements, and an integer x, the task is to write a program to find given element x in the bitonic sequence in O(log n) time.
A Bitonic Sequence is a sequence of numbers that is first strictly increasing then after a point decreasing.
Examples:
Input : arr[] = {-3, ... | [
{
"code": null,
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"text": "\n04 Mar, 2022"
},
{
"code": null,
"e": 26620,
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"text": "Given a bitonic sequence of n distinct elements, and an integer x, the task is to write a program to find given element x in the bitonic sequence in O(log n) time.... |
Optimizers in Tensorflow - GeeksforGeeks | 27 Jan, 2022
Optimizers are techniques or algorithms used to decrease loss (an error) by tuning various parameters and weights, hence minimizing the loss function, providing better accuracy of model faster.
Optimizer is the extended class in Tensorflow, that is initialized with parameters of the model but no tensor is... | [
{
"code": null,
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"text": "\n27 Jan, 2022"
},
{
"code": null,
"e": 25732,
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"text": "Optimizers are techniques or algorithms used to decrease loss (an error) by tuning various parameters and weights, hence minimizing the loss function, providing be... |
C Quiz - 113 - GeeksforGeeks | 16 Feb, 2016
int A[100][100];
int main()
{
for(int i=1; i < 100 ; i++)
for(int j=1; j < 100;j++)
A[i][j] = (i/j)*(j/i);
return 0;
}
Writing code in comment? Please use ide.geeksforgeeks.org, generate link and share the link here.
Must Do Coding Questions for Product Based Companies
Find... | [
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},
{
"code": null,
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"text": " int A[100][100];\n int main()\n {\n for(int i=1; i < 100 ; i++)\n for(int j=1; j < 100;j++)\n A[i][j] = (i/j)*(j/i);\n return 0;\n }\n\n"
... |
C++ Inheritance Quiz - GeeksQuiz | 01 Jun, 2021
Base1's destructor
Base2's destructor
Derived's destructor
Derived's destructor
Base2's destructor
Base1's destructor
Derived's destructor
#include<iostream>
using namespace std;
class base {
int arr[10];
};
class b1: virtual public base { };
class b2: virtual public base { };
class derived... | [
{
"code": null,
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"text": "\n01 Jun, 2021"
},
{
"code": null,
"e": 28914,
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"text": "Base1's destructor\nBase2's destructor\nDerived's destructor"
},
{
"code": null,
"e": 28974,
"s": 28914,
"text": "Derived's destructor\nBase2's... |
C# Dictionary with examples - GeeksforGeeks | 28 Feb, 2019
In C#, Dictionary is a generic collection which is generally used to store key/value pairs. The working of Dictionary is quite similar to the non-generic hashtable. The advantage of Dictionary is, it is generic type. Dictionary is defined under System.Collection.Generic namespace. It is dynamic in nature m... | [
{
"code": null,
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"s": 26521,
"text": "\n28 Feb, 2019"
},
{
"code": null,
"e": 26920,
"s": 26549,
"text": "In C#, Dictionary is a generic collection which is generally used to store key/value pairs. The working of Dictionary is quite similar to the non-generic hashtable... |
Python - Maximum Consecutive Substring Occurrence - GeeksforGeeks | 10 May, 2020
Sometimes, while working with python, we can have a problem in which we need to check for substrings occurring in consecutive repetition. This can have application in data domains. Lets discuss a way in which this task can be performed.
Method : Using max() + re.findall()The combination of above methods ca... | [
{
"code": null,
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"text": "\n10 May, 2020"
},
{
"code": null,
"e": 26544,
"s": 26307,
"text": "Sometimes, while working with python, we can have a problem in which we need to check for substrings occurring in consecutive repetition. This can have application... |
What is Wallet Smart Contract? - GeeksforGeeks | 09 Jul, 2020
Wallets are just like your bank account, through which we can receive money, send money, and can check the balance.
uint- unsigned integer.address- It is a unique set of the string provided for the transaction.msg.sender- Address of the current user.msg.value- Cost put by the current user.public- Visibilit... | [
{
"code": null,
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"text": "\n09 Jul, 2020"
},
{
"code": null,
"e": 26299,
"s": 26183,
"text": "Wallets are just like your bank account, through which we can receive money, send money, and can check the balance."
},
{
"code": null,
"e": 26758,
... |
Program to Encrypt a String using ! and @ - GeeksforGeeks | 03 Jun, 2021
Given a string, the task is to encrypt this string using ! and @ symbols, alternatively. While encrypting the message the encrypted format must repeat the symbol as many times as the letter position in Alphabetical order.Examples:
Input: string = "Ab"
Output: !@@
Explanation:
Position of 'A' in alphabet... | [
{
"code": null,
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"text": "\n03 Jun, 2021"
},
{
"code": null,
"e": 25985,
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"text": "Given a string, the task is to encrypt this string using ! and @ symbols, alternatively. While encrypting the message the encrypted format must repeat the symbol a... |
How to Transfer Files using SFTP? - GeeksforGeeks | 18 Oct, 2021
SFTP (Secure File Transfer Protocol) or SSH (Secure Shell) File Transfer Protocol) is a file transfer protocol used to transfer files between client and server. It uses SSH(Secure Socket Shell) and is also known as Secure Socket Shell File Transfer Protocol. It provides secure access to a remote server for... | [
{
"code": null,
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"text": "\n18 Oct, 2021"
},
{
"code": null,
"e": 26093,
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"text": "SFTP (Secure File Transfer Protocol) or SSH (Secure Shell) File Transfer Protocol) is a file transfer protocol used to transfer files between client and server. It... |
Scrapy - Settings - GeeksforGeeks | 03 Mar, 2021
Scrapy is an open-source tool built with Python Framework. It presents us with a strong and robust web crawling framework that can easily extract the info from the online page with the assistance of selectors supported by XPath.
We can define the behavior of Scrapy components with the help of Scrapy settin... | [
{
"code": null,
"e": 25537,
"s": 25509,
"text": "\n03 Mar, 2021"
},
{
"code": null,
"e": 25766,
"s": 25537,
"text": "Scrapy is an open-source tool built with Python Framework. It presents us with a strong and robust web crawling framework that can easily extract the info from the... |
Split the binary string into substrings with equal number of 0s and 1s - GeeksforGeeks | 26 Nov, 2021
Given a binary string str of length N, the task is to find the maximum count of consecutive substrings str can be divided into such that all the substrings are balanced i.e. they have equal number of 0s and 1s. If it is not possible to split str satisfying the conditions then print -1.Example:
Input: str... | [
{
"code": null,
"e": 26129,
"s": 26101,
"text": "\n26 Nov, 2021"
},
{
"code": null,
"e": 26426,
"s": 26129,
"text": "Given a binary string str of length N, the task is to find the maximum count of consecutive substrings str can be divided into such that all the substrings are bal... |
Plotting cross-spectral density in Python using Matplotlib - GeeksforGeeks | 24 Jan, 2022
Matplotlib is a comprehensive library consisting of modules that are used for Data Visualization just like MATLAB. Pyplot is a further module which makes functions and methods executable.
The cross-spectral density compares two signals, each from different source taking into account both amplitude and pha... | [
{
"code": null,
"e": 25563,
"s": 25535,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 25752,
"s": 25563,
"text": "Matplotlib is a comprehensive library consisting of modules that are used for Data Visualization just like MATLAB. Pyplot is a further module which makes functions... |
How to combine Groupby and Multiple Aggregate Functions in Pandas? - GeeksforGeeks | 10 May, 2020
Pandas is a Python package that offers various data structures and operations for manipulating numerical data and time series. It is mainly popular for importing and analyzing data much easier. It is an open-source library that is built on top of NumPy library.
Pandas dataframe.groupby() function is used t... | [
{
"code": null,
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"text": "\n10 May, 2020"
},
{
"code": null,
"e": 26459,
"s": 26197,
"text": "Pandas is a Python package that offers various data structures and operations for manipulating numerical data and time series. It is mainly popular for importing a... |
Remove the whitespaces from a string using replace() in JavaScript? | Let’s say the following is our string with whitespace −
var fullName=" John Smith ";
Use replace() and set Regex in it to remove whitespaces.
function removeSpacesAtTheBeginningAndTheEnd(name) {
return name.toString().replace(/^\s+|\s+$/g,'');
}
var fullName=" John Smith ";
var
valueAfterRemovingSpace=removeSpacesAt... | [
{
"code": null,
"e": 1118,
"s": 1062,
"text": "Let’s say the following is our string with whitespace −"
},
{
"code": null,
"e": 1147,
"s": 1118,
"text": "var fullName=\" John Smith \";"
},
{
"code": null,
"e": 1204,
"s": 1147,
"text": "Use replace() and set Re... |
Encrypt and Decrypt Image using Python - GeeksforGeeks | 05 Aug, 2021
In this article, we will encrypt/decrypt an image using a simple mathematical logic. It requires two things, data and key and when XOR operation is applied on both the operands i.e data and key, the data gets encrypted but when the same process is done again with same key value data gets decrypted.
It is n... | [
{
"code": null,
"e": 24212,
"s": 24184,
"text": "\n05 Aug, 2021"
},
{
"code": null,
"e": 24512,
"s": 24212,
"text": "In this article, we will encrypt/decrypt an image using a simple mathematical logic. It requires two things, data and key and when XOR operation is applied on both... |
Customize your Python class with Magic or Dunder methods - GeeksforGeeks | 06 Jan, 2022
The magic methods ensure a consistent data model that retains the inherited feature of the built-in class while providing customized class behavior. These methods can enrich the class design and can enhance the readability of the language.
So, in this article, we will see how to make use of the magic metho... | [
{
"code": null,
"e": 25759,
"s": 25731,
"text": "\n06 Jan, 2022"
},
{
"code": null,
"e": 25999,
"s": 25759,
"text": "The magic methods ensure a consistent data model that retains the inherited feature of the built-in class while providing customized class behavior. These methods ... |
The Power of Quality Assurance — Designing Robust QA Processes for SQL Data Analysis Pipelines | by Michael Gendy | Towards Data Science | “A milligram of prevention is worth a kilogram of cure” — John Robert Colombo
Mistakes happen. Bugs can appear seemingly from nowhere. Data sources can falter at a moment’s notice invalidating your entire analysis pipeline. As an analytics team, ultimately it’s your responsibility to solve these problems and ensure you... | [
{
"code": null,
"e": 250,
"s": 172,
"text": "“A milligram of prevention is worth a kilogram of cure” — John Robert Colombo"
},
{
"code": null,
"e": 674,
"s": 250,
"text": "Mistakes happen. Bugs can appear seemingly from nowhere. Data sources can falter at a moment’s notice invali... |
Convert PySpark DataFrame to Dictionary in Python - GeeksforGeeks | 17 Jun, 2021
In this article, we are going to see how to convert the PySpark data frame to the dictionary, where keys are column names and values are column values.
Before starting, we will create a sample Dataframe:
Python3
# Importing necessary librariesfrom pyspark.sql import SparkSession # Create a spark sessionsp... | [
{
"code": null,
"e": 24526,
"s": 24498,
"text": "\n17 Jun, 2021"
},
{
"code": null,
"e": 24678,
"s": 24526,
"text": "In this article, we are going to see how to convert the PySpark data frame to the dictionary, where keys are column names and values are column values."
},
{
... |
COVID-19 data processing with Pandas DataFrame | by B. Chen | Towards Data Science | I published an article a couple days ago showing a step by step tutorial to building an Interactive Data Visualization for exploring Coronavirus Spreads. Several people left private notes on it asking specifically for the data processing steps.
Today, I am posting the step by step tutorial to download, load, merge, cle... | [
{
"code": null,
"e": 417,
"s": 172,
"text": "I published an article a couple days ago showing a step by step tutorial to building an Interactive Data Visualization for exploring Coronavirus Spreads. Several people left private notes on it asking specifically for the data processing steps."
},
{
... |
Speeding up Model Training with Multithreading | by Edward Elson Kosasih | Towards Data Science | Waiting for model training to finish could sometimes feel frustrating. Speeding up this process is one of the topmost priority in probably every data scientist’s mind. There are a few approaches that one could try, just to name a few: hardware upgrade (faster CPU/GPU) and model-specific tweaks (e.g. for backpropagation... | [
{
"code": null,
"e": 706,
"s": 172,
"text": "Waiting for model training to finish could sometimes feel frustrating. Speeding up this process is one of the topmost priority in probably every data scientist’s mind. There are a few approaches that one could try, just to name a few: hardware upgrade (fa... |
_Generic keyword in C - GeeksforGeeks | 03 Jan, 2019
A major drawback of Macro in C/C++ is that the arguments are strongly typed checked i.e. a macro can operate on different types of variables(like char, int ,double,..) without type checking.
// C program to illustrate macro function.#include<stdio.h>#define INC(P) ++Pint main(){ char *p = "Geeks"; in... | [
{
"code": null,
"e": 24258,
"s": 24230,
"text": "\n03 Jan, 2019"
},
{
"code": null,
"e": 24449,
"s": 24258,
"text": "A major drawback of Macro in C/C++ is that the arguments are strongly typed checked i.e. a macro can operate on different types of variables(like char, int ,double... |
How to create a Horizontal Navigation Bar in HTML and CSS? | 30 Dec, 2020
In this article, we will try to create a navigation bar horizontally. To understand this article, we need to know some basics of HTML and CSS.
Approach:
We will create the structure of the navigation bar which will later be displayed horizontally.
The tags that we will use for this is <nav> tag and <ul> ta... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Dec, 2020"
},
{
"code": null,
"e": 171,
"s": 28,
"text": "In this article, we will try to create a navigation bar horizontally. To understand this article, we need to know some basics of HTML and CSS."
},
{
"code": null,
... |
Ruby | Array max() function | 06 Dec, 2019
Array#max() : max() is a Array class method which returns the maximum value in this array.
Syntax: Array.max()
Parameter: Array
Return: the maximum value in this array.
Example #1 :
# Ruby code for max() method # declaring arraya = %w[for geeks] # max method exampleputs "max() method form : #{a.max()}\... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n06 Dec, 2019"
},
{
"code": null,
"e": 119,
"s": 28,
"text": "Array#max() : max() is a Array class method which returns the maximum value in this array."
},
{
"code": null,
"e": 139,
"s": 119,
"text": "Syntax: Array.m... |
PyQt5 QListWidget – Setting Current Item | 01 Aug, 2020
In this article we will see how we can set the current item of the QListWidget. QListWidget is a convenience class that provides a list view with a classic item-based interface for adding and removing items. QListWidget uses an internal model to manage each QListWidgetItem in the list. Current item can be ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n01 Aug, 2020"
},
{
"code": null,
"e": 431,
"s": 28,
"text": "In this article we will see how we can set the current item of the QListWidget. QListWidget is a convenience class that provides a list view with a classic item-based interfac... |
Set equals() method in Java with Examples | 09 Aug, 2019
The equals() method of java.util.Set class is used to verify the equality of an Object with a Set and compare them. The method returns true if the size of both the sets are equal and both contain the same elements.
Syntax:
public boolean equals(Object o)
Parameters: This method takes the object o as a para... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n09 Aug, 2019"
},
{
"code": null,
"e": 243,
"s": 28,
"text": "The equals() method of java.util.Set class is used to verify the equality of an Object with a Set and compare them. The method returns true if the size of both the sets are eq... |
Multithreaded download of yahoo stock history with Python – yfinance | 15 Sep, 2021
Yfinance is a python package that enables us to fetch historical market data from Yahoo Finance API in a Pythonic way. It becomes so easy for all the Python developers to get data with the help of yfinance.
We can easily download historical stock data from yfinance, but the problem is, it is very time taki... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n15 Sep, 2021"
},
{
"code": null,
"e": 235,
"s": 28,
"text": "Yfinance is a python package that enables us to fetch historical market data from Yahoo Finance API in a Pythonic way. It becomes so easy for all the Python developers to get ... |
Java program to read all mobile numbers present in given file | 24 Mar, 2018
Given the input text file, read all mobile numbers present and write to some output file.
Suppose we have a file names as input.txt and in that input file we have some Mobile Number which are mixed with some other data. Our task is to read the input file line by line and if we find any Number in that line ... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n24 Mar, 2018"
},
{
"code": null,
"e": 144,
"s": 54,
"text": "Given the input text file, read all mobile numbers present and write to some output file."
},
{
"code": null,
"e": 443,
"s": 144,
"text": "Suppose we have... |
Padovan Sequence | 24 Jan, 2022
Padovan Sequence similar to Fibonacci sequence with similar recursive structure. The recursive formula is,
P(n) = P(n-2) + P(n-3)
P(0) = P(1) = P(2) = 1
Fibonacci Sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...... Spiral of squares with side lengths which follow the Fibonacci sequence.
Padovan Se... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 162,
"s": 53,
"text": "Padovan Sequence similar to Fibonacci sequence with similar recursive structure. The recursive formula is, "
},
{
"code": null,
"e": 213,
"s": 162,
"text... |
Python | Decimal sqrt() method | 05 Sep, 2019
Decimal#sqrt() : sqrt() is a Decimal class method which returns the Square root of a non-negative number to context precision.
Syntax: Decimal.sqrt()
Parameter: Decimal values
Return: the Square root of a non-negative number to context precision.
Code #1 : Example for sqrt() method
# Python Program explain... | [
{
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"text": "\n05 Sep, 2019"
},
{
"code": null,
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"text": "Decimal#sqrt() : sqrt() is a Decimal class method which returns the Square root of a non-negative number to context precision."
},
{
"code": null,
"e": 178,
"s... |
Maximum Profit | Practice | GeeksforGeeks | In the stock market, a person buys a stock and sells it on some future date. Given the stock prices of N days in an array A[ ] and a positive integer K, find out the maximum profit a person can make in at-most K transactions. A transaction is equivalent to (buying + selling) of a stock and new transaction can start onl... | [
{
"code": null,
"e": 610,
"s": 238,
"text": "In the stock market, a person buys a stock and sells it on some future date. Given the stock prices of N days in an array A[ ] and a positive integer K, find out the maximum profit a person can make in at-most K transactions. A transaction is equivalent t... |
Smart Contract to Store Employee Details | 26 Aug, 2020
Solidity is a high-level language. The structure of smart contracts in solidity is very similar to the structure of classes in object-oriented languages. The solidity file has an extension .sol.
Solidity’s code is encapsulated in contracts which means a contract in Solidity is a collection of code (its fu... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n26 Aug, 2020"
},
{
"code": null,
"e": 224,
"s": 28,
"text": "Solidity is a high-level language. The structure of smart contracts in solidity is very similar to the structure of classes in object-oriented languages. The solidity file has... |
attr.asdict() function in Python | 05 Sep, 2020
Python has a library called attrs which makes code written in an object-oriented mode much easier and concise. In a class that has data, it is better to transform it into a dictionary. We can use attr.asdict() function in Python to return attrs attribute values of i as dict.
Syntax: attr.asdict (inst, rec... | [
{
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{
"code": null,
"e": 305,
"s": 28,
"text": "Python has a library called attrs which makes code written in an object-oriented mode much easier and concise. In a class that has data, it is better to transform it into a di... |
Scala List isEmpty Operation with example | 13 Aug, 2019
The isEmpty operation is utilized to check if the stated list is empty or not.Syntax:
m1.isEmpty
Here, m1 is Map name. isEmpty is method which returns true if the stated list is empty else it returns false.Example #1:
// Scala program of isEmpty()// method // Creating objectobject GfG{ // Main metho... | [
{
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},
{
"code": null,
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"s": 28,
"text": "The isEmpty operation is utilized to check if the stated list is empty or not.Syntax:"
},
{
"code": null,
"e": 125,
"s": 114,
"text": "m1.isEmpty"
},
{... |
Kleene’s Theorem in TOC | Part-1 | 20 Nov, 2019
A language is said to be regular if it can be represented by using a Finite Automata or if a Regular Expression can be generated for it. This definition leads us to the general definition that; For every Regular Expression corresponding to the language, a Finite Automata can be generated.
For certain expre... | [
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{
"code": null,
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"s": 52,
"text": "A language is said to be regular if it can be represented by using a Finite Automata or if a Regular Expression can be generated for it. This definition leads us to the gener... |
Relational Query Evaluation | Set 1 | 14 Jul, 2020
There is a need for conversion of relational query to algebraic expressions. This expression is operated on so that final output is received. The relational algebra operators that are present are Union, Select, Join, Project, etc. These are used to formulate relational query for adequate results. Grouping,... | [
{
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},
{
"code": null,
"e": 400,
"s": 28,
"text": "There is a need for conversion of relational query to algebraic expressions. This expression is operated on so that final output is received. The relational algebra operators ... |
How to send response from server to client using Node.js and Express.js ? | 06 Oct, 2021
The following approach covers how to send responses from servers using node and express. Also, we are going to see different ways to send responses from the server to the client.
Prerequisite:
Node js: It is an open-source JavaScript Back-End technology.
Express.js: It is a node.js server framework.
Requir... | [
{
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{
"code": null,
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"text": "The following approach covers how to send responses from servers using node and express. Also, we are going to see different ways to send responses from the server to the cli... |
Java Integer byteValue() Method | 06 May, 2022
The byteValue() method of Integer class of java.lang package converts the given Integer into a byte after a narrowing primitive conversion and returns it (value of integer object as a byte). Also, remember this method does override byteValue() method of the Number class.
The package view is as follows:
-... | [
{
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"text": "\n06 May, 2022"
},
{
"code": null,
"e": 302,
"s": 28,
"text": "The byteValue() method of Integer class of java.lang package converts the given Integer into a byte after a narrowing primitive conversion and returns it (value of integer obj... |
Test Driver | Test Drivers are used during Bottom-up integration testing in order to simulate the behaviour of the upper level modules that are not yet integrated. Test Drivers are the modules that act as temporary replacement for a calling module and give the same output as that of the actual product.
Drivers are also used when the... | [
{
"code": null,
"e": 6169,
"s": 5879,
"text": "Test Drivers are used during Bottom-up integration testing in order to simulate the behaviour of the upper level modules that are not yet integrated. Test Drivers are the modules that act as temporary replacement for a calling module and give the same o... |
How to Make, Save, and Run a Simple VBScript Program? | 05 Aug, 2021
VBScript is a lightweight scripting version of the popular Microsoft Visual Basic, developed by as the name suggests, Microsoft. It is used to develop dynamic web pages. It is much lighter compared to Visual Basic programming language but works as a scripting language like JavaScript. To run VBScript on th... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n05 Aug, 2021"
},
{
"code": null,
"e": 486,
"s": 53,
"text": "VBScript is a lightweight scripting version of the popular Microsoft Visual Basic, developed by as the name suggests, Microsoft. It is used to develop dynamic web pages. It i... |
Simulate Real-life Events in Python Using SimPy | by Khuyen Tran | Towards Data Science | As a restaurant manager, you want to approximate how much food your restaurant needs to prepare for tomorrow. You know how many customers come to your restaurant per day and the average time it takes to serve one customer. However, it is challenging to put all of these variables into one calculation.
Wouldn’t it be gre... | [
{
"code": null,
"e": 474,
"s": 172,
"text": "As a restaurant manager, you want to approximate how much food your restaurant needs to prepare for tomorrow. You know how many customers come to your restaurant per day and the average time it takes to serve one customer. However, it is challenging to pu... |
Default Constructors in C++ | Constructors are functions of a class that are executed when new objects of the class are created. The constructors have the same name as the class and no return type, not even void. They are primarily useful for providing initial values for variables of the class. The two main types of constructors are default constru... | [
{
"code": null,
"e": 1420,
"s": 1062,
"text": "Constructors are functions of a class that are executed when new objects of the class are created. The constructors have the same name as the class and no return type, not even void. They are primarily useful for providing initial values for variables o... |
Append in Python. When choosing a collection type, it is... | by sunil kumar | Towards Data Science | When choosing a collection type, it is useful to understand the properties of each type and choosing the most appropriate type for a particular data set. To know the most appropriate collection type you need to know the attributes of all the available types and then choose one from it based on your use case. In this ar... | [
{
"code": null,
"e": 587,
"s": 172,
"text": "When choosing a collection type, it is useful to understand the properties of each type and choosing the most appropriate type for a particular data set. To know the most appropriate collection type you need to know the attributes of all the available typ... |
How to change the color of bars in histogram for values that are greater than 0 or less than 0 in R? | Although, the histogram represents the distribution of a complete set of values but we might want to visualize that histogram based on the division of some threshold value. For example, we might want to visualize the histogram with different bars that have values greater than 1 or less than 1. This will help us to unde... | [
{
"code": null,
"e": 1630,
"s": 1062,
"text": "Although, the histogram represents the distribution of a complete set of values but we might want to visualize that histogram based on the division of some threshold value. For example, we might want to visualize the histogram with different bars that h... |
Explain if-else statement in C language | If-else statement takes care of true as well as false conditions. ‘true block’ is executed, when the condition is true and ‘false block’ (or) ‘else block’ is executed, when the condition is false.
Refer the syntax given below −
if (condition){
True block statement(s)
}else{
False block statement(s)
}
In if else c... | [
{
"code": null,
"e": 1259,
"s": 1062,
"text": "If-else statement takes care of true as well as false conditions. ‘true block’ is executed, when the condition is true and ‘false block’ (or) ‘else block’ is executed, when the condition is false."
},
{
"code": null,
"e": 1290,
"s": 1259... |
How to replace the names of multiple object keys with the values provided using JavaScript ? - GeeksforGeeks | 12 Jan, 2022
The following approach covers how to replace the names of multiple object keys with the values provided by the user using JavaScript.
Problem Statement: You are given an object which contains different key-value pairs in which key symbolizes the property and value itself is known as the property value, and... | [
{
"code": null,
"e": 37995,
"s": 37967,
"text": "\n12 Jan, 2022"
},
{
"code": null,
"e": 38129,
"s": 37995,
"text": "The following approach covers how to replace the names of multiple object keys with the values provided by the user using JavaScript."
},
{
"code": null,
... |
Area of Circumcircle and Incircle of a Right Kite - GeeksforGeeks | 20 Jul, 2021
Given two positive integers A and B representing the sides of the right kite, the task is to find the area of the circumcircle and incircle of a right kite.
A right kite is a kite that can be inscribed in a circle with two opposite angles are at right angles. The line of symmetry of the kite is also the di... | [
{
"code": null,
"e": 25380,
"s": 25352,
"text": "\n20 Jul, 2021"
},
{
"code": null,
"e": 25537,
"s": 25380,
"text": "Given two positive integers A and B representing the sides of the right kite, the task is to find the area of the circumcircle and incircle of a right kite."
},
... |
Perl defined Function | This function returns true if EXPR has a value other than the undef value, or checks the value of $_ if EXPR is not specified. This can be used with many functions to detect a failure in operation, since they return undef if there was a problem. A simple Boolean test does not differentiate between false, zero, an empty... | [
{
"code": null,
"e": 2597,
"s": 2220,
"text": "This function returns true if EXPR has a value other than the undef value, or checks the value of $_ if EXPR is not specified. This can be used with many functions to detect a failure in operation, since they return undef if there was a problem. A simpl... |
How to send parameters from a notification-click to an Android activity? | This example demonstrate about How to send parameters from a notification-click to an Android activity.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<? xml version = "1.0"... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "This example demonstrate about How to send parameters from a notification-click to an Android activity."
},
{
"code": null,
"e": 1295,
"s": 1166,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and ... |
Watchdog timer in Arduino | A watchdog timer is an essential part of any microcontroller. It resets the program if the program gets stuck anywhere. Very briefly, this is how the watchdog timer works −
The timer keeps incrementing.
The timer keeps incrementing.
The program has to ensure that it keeps resetting the timer, i.e. does not allow it to ... | [
{
"code": null,
"e": 1235,
"s": 1062,
"text": "A watchdog timer is an essential part of any microcontroller. It resets the program if the program gets stuck anywhere. Very briefly, this is how the watchdog timer works −"
},
{
"code": null,
"e": 1265,
"s": 1235,
"text": "The timer... |
Difference between Exception and Error in Java | Exceptions and errors both are subclasses of Throwable class. The error indicates a problem that mainly occurs due to the lack of system resources and our application should not catch these types of problems. Some of the examples of errors are system crash error and out of memory error. Errors mostly occur at runtime t... | [
{
"code": null,
"e": 1423,
"s": 1062,
"text": "Exceptions and errors both are subclasses of Throwable class. The error indicates a problem that mainly occurs due to the lack of system resources and our application should not catch these types of problems. Some of the examples of errors are system cr... |
Number of ways of distributing N identical objects in R distinct groups with no groups empty - GeeksforGeeks | 18 Jan, 2022
Given two integer N and R, the task is to calculate the number of ways to distribute N identical objects into R distinct groups such that no groups are left empty.
Examples:
Input: N = 4, R = 2 Output: 3 No of objects in 1st group = 1, in second group = 3 No of objects in 1st group = 2, in second group = ... | [
{
"code": null,
"e": 25218,
"s": 25190,
"text": "\n18 Jan, 2022"
},
{
"code": null,
"e": 25382,
"s": 25218,
"text": "Given two integer N and R, the task is to calculate the number of ways to distribute N identical objects into R distinct groups such that no groups are left empty.... |
HTML | DOM Datalist Object - GeeksforGeeks | 24 Jan, 2022
The DOM Datalist Object is used to represent the HTML <Datalist> element. The Datalist element is accessed by getElementById().Properties: It has a ‘Option’ attribute which is used to return the collection of all options value in a datalist.Syntax:
document.getElementById("gfg");
Collections
options: I... | [
{
"code": null,
"e": 23878,
"s": 23850,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 24129,
"s": 23878,
"text": "The DOM Datalist Object is used to represent the HTML <Datalist> element. The Datalist element is accessed by getElementById().Properties: It has a ‘Option’ attrib... |
How to get almost increasing sequence of integers in JavaScript ? | A sequence of numbers is said to be in a strictly increasing sequence if every succeeding element in the sequence is greater than its preceding element.
We are required to write a JavaScript function that takes in an array of Numbers as the only argument. The function should check whether we can form a strictly increas... | [
{
"code": null,
"e": 1215,
"s": 1062,
"text": "A sequence of numbers is said to be in a strictly increasing sequence if every succeeding element in the sequence is greater than its preceding element."
},
{
"code": null,
"e": 1463,
"s": 1215,
"text": "We are required to write a Ja... |
Difference Between get() and load() in Hibernate | In hibernate, get() and load() are two methods which is used to fetch data for the given identifier. They both belong to Hibernate session class. Get() method return null, If no row is available in the session cache or the database for the given identifier whereas load() method throws object not found exception.
1
Bas... | [
{
"code": null,
"e": 1377,
"s": 1062,
"text": "In hibernate, get() and load() are two methods which is used to fetch data for the given identifier. They both belong to Hibernate session class. Get() method return null, If no row is available in the session cache or the database for the given identif... |
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