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Python | Real time currency convertor using Tkinter - GeeksforGeeks | 09 Jun, 2021
Prerequisites : Introduction to tkinter | Get the real time currency exchange ratePython offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, tkinter is the most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. ... | [
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"text": "Prerequisites : Introduction to tkinter | Get the real time currency exchange ratePython offers multiple options for developing GUI (Graphical User Interface). Out... |
Aggregation in Java | Aggregation refers to HAS-A relationship. Let’s look at the example first −
public class Vehicle{}
public class Speed{}
public class Van extends Vehicle {
private Speed sp;
}
This shows that class Van HAS-A Speed. By having a separate class for Speed, we do not have to put the entire code that belongs to speed insid... | [
{
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"text": "Aggregation refers to HAS-A relationship. Let’s look at the example first −"
},
{
"code": null,
"e": 1240,
"s": 1138,
"text": "public class Vehicle{}\npublic class Speed{}\npublic class Van extends Vehicle {\n private Speed sp;\n}"... |
Tryit Editor v3.7 | Tryit: HTML formatting | [] |
Formatting Strings in Python. How to use the format() method and... | by Luay Matalka | Towards Data Science | There are multiple ways to format a string in python. We will go over the format() method and f-strings to create the following:
We will use the first_name, last_name, and age variables to create a string that contains the first name, last name, and age of someone in the following format:
‘first_name last_name is age y... | [
{
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"text": "There are multiple ways to format a string in python. We will go over the format() method and f-strings to create the following:"
},
{
"code": null,
"e": 462,
"s": 301,
"text": "We will use the first_name, last_name, and age variables ... |
Unix Socket - Server Examples | To make a process a TCP server, you need to follow the steps given below −
Create a socket with the socket() system call.
Create a socket with the socket() system call.
Bind the socket to an address using the bind() system call. For a server socket on the Internet, an address consists of a port number on the host machi... | [
{
"code": null,
"e": 2078,
"s": 2003,
"text": "To make a process a TCP server, you need to follow the steps given below −"
},
{
"code": null,
"e": 2125,
"s": 2078,
"text": "Create a socket with the socket() system call."
},
{
"code": null,
"e": 2172,
"s": 2125,
... |
Rearrange the string to maximize the number of palindromic substrings in C++ | We are given with a string ‘str’ of any given length. The task is to rearrange the characters in such a manner that there will be maximum substrings that will be a palindrome string without adding or removing a character from the given input string. Palindrome string is the one in which the characters are arranged in s... | [
{
"code": null,
"e": 1445,
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"text": "We are given with a string ‘str’ of any given length. The task is to rearrange the characters in such a manner that there will be maximum substrings that will be a palindrome string without adding or removing a character from the given input string. Pal... |
How to remove underline for anchors tag using CSS? - GeeksforGeeks | 08 Feb, 2019
The anchor tag is used to define the hyperlinks and it display underlined anchor part by default. The underline can be easily remove by using text-decoration property. The text-decoration property of CSS allows to decorate the text according to requirement. By setting the text-decoration to none to remove ... | [
{
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"text": "\n08 Feb, 2019"
},
{
"code": null,
"e": 24809,
"s": 24471,
"text": "The anchor tag is used to define the hyperlinks and it display underlined anchor part by default. The underline can be easily remove by using text-decoration prope... |
count_if() in C++ STL | In this article we will be discussing the working, syntax and examples of std::count_if() function in C++ STL.
std::count_if() function is an inbuilt function in C++ STL, which is defined in <algorithm> header file. count_if() is used to get the number of elements in a specified range which satisfy a condition. This fu... | [
{
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"text": "In this article we will be discussing the working, syntax and examples of std::count_if() function in C++ STL."
},
{
"code": null,
"e": 1477,
"s": 1173,
"text": "std::count_if() function is an inbuilt function in C++ STL, which is de... |
How can we return a list from a Python function? | There are so many ways we can return a list from a python function. One such function is given below.
def retList():
list = []
for i in range(0,10):
list.append(i)
return list
a = retList()
print a
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] | [
{
"code": null,
"e": 1164,
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"text": "There are so many ways we can return a list from a python function. One such function is given below."
},
{
"code": null,
"e": 1280,
"s": 1164,
"text": "def retList():\n list = []\n for i in range(0,10):\n list.append(i)... |
The Softmax Function, Neural Net Outputs as Probabilities, and Ensemble Classifiers | by Haihan Lan | Towards Data Science | In this article, we’ll look at:
Deriving the softmax function for multinomial (multi-class) classification problems starting from simple logistic regression
Using the softmax activation function in the output layer of a deep neural net to represent a categorical distribution over class labels, and obtaining the probabi... | [
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"text": "In this article, we’ll look at:"
},
{
"code": null,
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"text": "Deriving the softmax function for multinomial (multi-class) classification problems starting from simple logistic regression"
},
{
"code": null,
... |
Feature Selection and Dimensionality Reduction | by Tara Boyle | Towards Data Science | According to wikipedia, “feature selection is the process of selecting a subset of relevant features for use in model construction” or in other words, the selection of the most important features.
In normal circumstances, domain knowledge plays an important role and we could select features we feel would be the most im... | [
{
"code": null,
"e": 369,
"s": 172,
"text": "According to wikipedia, “feature selection is the process of selecting a subset of relevant features for use in model construction” or in other words, the selection of the most important features."
},
{
"code": null,
"e": 614,
"s": 369,
... |
QlikView - Rotating Tables | The Rotating table in QlikView is similar to the column and row transpose feature in
Microsoft Excel but with some additional options. We can transpose columns in multiple directions and they give different results. In this chapter, we will be seeing the normal transpose option of converting rows to columns.
Let us con... | [
{
"code": null,
"e": 3230,
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"text": "The Rotating table in QlikView is similar to the column and row transpose feature in\nMicrosoft Excel but with some additional options. We can transpose columns in multiple directions and they give different results. In this chapter, we will be seeing t... |
DAX Text - FIND function | Returns the starting position of one text string within another text string.
DAX FIND function is case sensitive.
FIND (<find_text>, <within_text>, [<start_num>], [<NotFoundValue>])
find_text
The text you want to find.
Use double quotes (empty text) to match the first character in within_text.
You can use wildcard ch... | [
{
"code": null,
"e": 2078,
"s": 2001,
"text": "Returns the starting position of one text string within another text string."
},
{
"code": null,
"e": 2115,
"s": 2078,
"text": "DAX FIND function is case sensitive."
},
{
"code": null,
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"text"... |
Fuzzy C-Means Clustering with Python | by Yufeng | Towards Data Science | Fuzzy C-means clustering algorithm is an unsupervised learning method. Before learning the details, let me first decipher its fancy name.
So, “fuzzy” here means “not sure”, which indicates that it’s a soft clustering method. “C-means” means c cluster centers, which only replaces the “K” in “K-means” with a “C” to make ... | [
{
"code": null,
"e": 309,
"s": 171,
"text": "Fuzzy C-means clustering algorithm is an unsupervised learning method. Before learning the details, let me first decipher its fancy name."
},
{
"code": null,
"e": 510,
"s": 309,
"text": "So, “fuzzy” here means “not sure”, which indicat... |
Log Compacted Topics in Apache Kafka | by Seyed Morteza Mousavi | Towards Data Science | When I had begun reading Kafka documentation, although log compacted topic seemed a simple concept, it wasn’t clear to me how internally Kafka keeps the states of them in the file system. This month I had some time to read more about this feature and I want to share my understandings with you.
In this article, I will d... | [
{
"code": null,
"e": 467,
"s": 172,
"text": "When I had begun reading Kafka documentation, although log compacted topic seemed a simple concept, it wasn’t clear to me how internally Kafka keeps the states of them in the file system. This month I had some time to read more about this feature and I wa... |
Maximum count of pairs which generate the same sum in C++ | We are given with an array of integers. The goal is to find the maximum number of pairs in the
array that when added produce the same sum. We have to find the maximum count of such pairs.
Arr[]= { 1,2,3,4,2 }
Maximum count of pairs with same sum : 3
Explanation − Sum of pairs of numbers −
{1,2}, {1,2} Sum:3
{1,3},{2,2}... | [
{
"code": null,
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"text": "We are given with an array of integers. The goal is to find the maximum number of pairs in the\narray that when added produce the same sum. We have to find the maximum count of such pairs."
},
{
"code": null,
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"t... |
Can we store CSS color values in MySQL? | Yes, we can. In order to store CSS color value, you can use CHAR(6) without # symbol for hexadecimal. Let us see an example and create a table
mysql> create table storeCSSColorDemo
-> (
-> CSSValue char(6)
-> );
Query OK, 0 rows affected (0.53 sec)
Insert some records in the table using insert command. The rec... | [
{
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"text": "Yes, we can. In order to store CSS color value, you can use CHAR(6) without # symbol for hexadecimal. Let us see an example and create a table"
},
{
"code": null,
"e": 1320,
"s": 1205,
"text": "mysql> create table storeCSSColorDemo\n... |
How to create and use a Syntax Highlighter with JavaScript? | To create and use syntax highligher, the code is as follows −
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.colorLinks {
color: rgb(131, 44, 212);
text-decoration: none;
font-size: 20px;
font-weight: bold;
... | [
{
"code": null,
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"s": 1062,
"text": "To create and use syntax highligher, the code is as follows −"
},
{
"code": null,
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"s": 1124,
"text": " Live Demo"
},
{
"code": null,
"e": 2470,
"s": 1135,
"text": "<!DOCTYPE html>\n<html>\n<head>\n<styl... |
CSS - Shake Effect | It provides to move (an object) up and down or from side to side for an element.
@keyframes shake {
0%, 100% {transform: translateX(0);}
10%, 30%, 50%, 70%, 90% {transform: translateX(-10px);}
20%, 40%, 60%, 80% {transform: translateX(10px);}
}
Transform − Transform applies to 2d and 3d transformation to a... | [
{
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"text": "It provides to move (an object) up and down or from side to side for an element."
},
{
"code": null,
"e": 2884,
"s": 2707,
"text": "@keyframes shake {\n 0%, 100% {transform: translateX(0);} \n 10%, 30%, 50%, 70%, 90% {transform: ... |
Check if the number is Fibonacci | Practice | GeeksforGeeks | Check if a given number N is the Fibonacci number. A Fibonacci number is a number that occurs in the Fibonacci series.
Example 1:
Input:
N = 34
Output:
Yes
Explanation:
34 is one of the numbers
of the Fibonacci series.
Example 2:
Input:
N = 41
Output:
No
Explanation:
41 is one of the numbers
of the Fibonacci seri... | [
{
"code": null,
"e": 357,
"s": 238,
"text": "Check if a given number N is the Fibonacci number. A Fibonacci number is a number that occurs in the Fibonacci series."
},
{
"code": null,
"e": 370,
"s": 359,
"text": "Example 1:"
},
{
"code": null,
"e": 460,
"s": 370,
... |
Explain the array of structures in C language | An array of structure in C programming is a collection of different datatype variables, grouped together under a single name.
General form of structure declaration
The structural declaration is as follows −
struct tagname{
datatype member1;
datatype member2;
datatype member n;
};
Here, struct is the keyword
... | [
{
"code": null,
"e": 1188,
"s": 1062,
"text": "An array of structure in C programming is a collection of different datatype variables, grouped together under a single name."
},
{
"code": null,
"e": 1226,
"s": 1188,
"text": "General form of structure declaration"
},
{
"cod... |
How to use openssl for generating ssl certificates private keys and csrs | OpenSSL is a CLI (Command Line Tool) which can be used to secure the server to generate public key infrastructure (PKI) and HTTPS. This article helps you as a quick reference to understand OpenSSL commands which are very useful in common, and for everyday scenarios especially for system administrators.
If we want to ob... | [
{
"code": null,
"e": 1366,
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"text": "OpenSSL is a CLI (Command Line Tool) which can be used to secure the server to generate public key infrastructure (PKI) and HTTPS. This article helps you as a quick reference to understand OpenSSL commands which are very useful in common, and for everyd... |
JavaScript Array Sort | The sort() method sorts an array alphabetically:
The reverse() method reverses the elements in an array.
You can use it to
sort an array in descending order:
By default, the sort() function sorts values as strings.
This works well for strings ("Apple" comes before "Banana").
However, if numbers are sorted as strings... | [
{
"code": null,
"e": 50,
"s": 0,
"text": "The sort() method sorts an array alphabetically: "
},
{
"code": null,
"e": 106,
"s": 50,
"text": "The reverse() method reverses the elements in an array."
},
{
"code": null,
"e": 161,
"s": 106,
"text": "You can use it ... |
How to find operating system in the client machine using JavaScript? | To detect the operating system on the client machine, your script can analyze the value of navigator.appVersion or navigator.userAgent.
Let us look at detecting the client OS using a simple script −
var operatingSystem = "Unknown OS";
// Check For Windows
if (navigator.appVersion.indexOf("Win") !=- 1) operatingSystem =... | [
{
"code": null,
"e": 1198,
"s": 1062,
"text": "To detect the operating system on the client machine, your script can analyze the value of navigator.appVersion or navigator.userAgent."
},
{
"code": null,
"e": 1261,
"s": 1198,
"text": "Let us look at detecting the client OS using a... |
Get first element with maximum value in list of tuples in Python | We have a list of tuple. We are required to find out that tuple which was maximum value in it. But in case more than one tuple has same value we need the first tuple which has maximum value.
With itemgetter(1) we get all the value from index position 1 and then apply a max function to get the item with max value. But i... | [
{
"code": null,
"e": 1253,
"s": 1062,
"text": "We have a list of tuple. We are required to find out that tuple which was maximum value in it. But in case more than one tuple has same value we need the first tuple which has maximum value."
},
{
"code": null,
"e": 1494,
"s": 1253,
... |
Java Program to wrap a Primitive DataType in a Wrapper Object | Every Java primitive data type has a class dedicated to it. These classes wrap the primitive data type into an object of that class. Therefore, it is known as wrapper classes.
The following is the program that displays a Primitive DataType in a Wrapper Object.
Live Demo
public class Demo {
public static void main(S... | [
{
"code": null,
"e": 1238,
"s": 1062,
"text": "Every Java primitive data type has a class dedicated to it. These classes wrap the primitive data type into an object of that class. Therefore, it is known as wrapper classes."
},
{
"code": null,
"e": 1323,
"s": 1238,
"text": "The fo... |
Find all pairs with a given sum | Practice | GeeksforGeeks | Given two unsorted arrays A of size N and B of size M of distinct elements, the task is to find all pairs from both arrays whose sum is equal to X.
Example 1:
Input:
A[] = {1, 2, 4, 5, 7}
B[] = {5, 6, 3, 4, 8}
X = 9
Output:
1 8
4 5
5 4
Explanation:
(1, 8), (4, 5), (5, 4) are the
pairs which sum to 9.
Input:
A[] ... | [
{
"code": null,
"e": 386,
"s": 238,
"text": "Given two unsorted arrays A of size N and B of size M of distinct elements, the task is to find all pairs from both arrays whose sum is equal to X."
},
{
"code": null,
"e": 399,
"s": 388,
"text": "Example 1:"
},
{
"code": null,... |
Explain Lifecycle Methods of React Components - GeeksforGeeks | 20 Oct, 2021
We have seen so far that React web apps are actually a collection of independent components which run according to the interactions made with them. Every React Component has a lifecycle of its own, lifecycle of a component can be defined as the series of methods that are invoked in different stages of the ... | [
{
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"text": "\n20 Oct, 2021"
},
{
"code": null,
"e": 25333,
"s": 24852,
"text": "We have seen so far that React web apps are actually a collection of independent components which run according to the interactions made with them. Every React Com... |
RxJava - MayBe Observable | The MayBe class represents deferred response. MayBe observable can emit either a single successful value or no value.
Following is the declaration for io.reactivex.Single<T> class −
public abstract class Maybe<T>
extends Object
implements MaybeSource<T>
Following is the sequential protocol that MayBe Observab... | [
{
"code": null,
"e": 2519,
"s": 2401,
"text": "The MayBe class represents deferred response. MayBe observable can emit either a single successful value or no value."
},
{
"code": null,
"e": 2583,
"s": 2519,
"text": "Following is the declaration for io.reactivex.Single<T> class −"... |
Strip last two characters of a column in MySQL? | You can strip last two characters with the help of SUBSTRING() and CHAR_LENGTH() methods. The syntax is as follows −
select yourColumnName,SUBSTRING(yourColumnName,1,CHAR_LENGTH(yourColumnName) - 2) AS anyVariableName from yourTableName;
To understand the above syntax, let us create a table −
mysql> create table LastTw... | [
{
"code": null,
"e": 1179,
"s": 1062,
"text": "You can strip last two characters with the help of SUBSTRING() and CHAR_LENGTH() methods. The syntax is as follows −"
},
{
"code": null,
"e": 1300,
"s": 1179,
"text": "select yourColumnName,SUBSTRING(yourColumnName,1,CHAR_LENGTH(your... |
Component State in React Native - GeeksforGeeks | 16 Mar, 2022
Introduction to React Native How React Native works?
There are two types of data that control a component :
props : are immutable and are set by the parent and they are fixed throughout the lifetime of a component.
state : is mutable. This means that state can be updated in the future while props can’t. w... | [
{
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"text": "\n16 Mar, 2022"
},
{
"code": null,
"e": 25175,
"s": 25122,
"text": "Introduction to React Native How React Native works?"
},
{
"code": null,
"e": 25231,
"s": 25175,
"text": "There are two types of data that cont... |
Iterate Over Keys and Values in Python Dictionaries | Towards Data Science | Dictionaries are among the most useful data structures in Python. Iterating over the keys and values of dictionaries is one of the most commonly used operations that we need to perform while working with such objects.
In today’s short guide, we are going to explore how to iterate over dictionaries in Python 3. Specific... | [
{
"code": null,
"e": 390,
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"text": "Dictionaries are among the most useful data structures in Python. Iterating over the keys and values of dictionaries is one of the most commonly used operations that we need to perform while working with such objects."
},
{
"code": null,
"e": ... |
Datagram in Python - GeeksforGeeks | 21 Jan, 2019
Datagram is a type of wireless communication between two endpoints and it requires the ip address and port number to establish connection. Datagram uses UDP(User Datagram Protocol), it converts user data into small packets or chunks of data so that it can be sent over a network in a continuous manner. In U... | [
{
"code": null,
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"text": "\n21 Jan, 2019"
},
{
"code": null,
"e": 24837,
"s": 24292,
"text": "Datagram is a type of wireless communication between two endpoints and it requires the ip address and port number to establish connection. Datagram uses UDP(User D... |
Quickly extract all links from a web page using the browser console | by Phil Gorman | Towards Data Science | Extracting and cleaning data from websites and documents is my bread and butter and I have really enjoyed learning how to systematically extract data from multiple web pages and even multiple websites using Python and R. But sometimes a project only needs a small amount of data, from just one page on a website.
Previou... | [
{
"code": null,
"e": 484,
"s": 171,
"text": "Extracting and cleaning data from websites and documents is my bread and butter and I have really enjoyed learning how to systematically extract data from multiple web pages and even multiple websites using Python and R. But sometimes a project only needs... |
PHP | ImagickDraw line() Function - GeeksforGeeks | 10 Oct, 2021
The ImagickDraw::line() function is an inbuilt function in Imagick library of PHP which is used to draw a line. This function draw the line using the current stroke color, stroke opacity, and stroke width.
Syntax:
bool ImagickDraw::line( $sx, $sy, $ex, $ey )
Parameters: This function accepts four parame... | [
{
"code": null,
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"text": "\n10 Oct, 2021"
},
{
"code": null,
"e": 40734,
"s": 40527,
"text": "The ImagickDraw::line() function is an inbuilt function in Imagick library of PHP which is used to draw a line. This function draw the line using the current strok... |
Pendulum: Probably The Best Python DateTime Library | by Christopher Tao | Towards Data Science | The datetime module is one of the most important build-in modules in Python. It is very flexible and powerful by providing many out-of-the-box solutions to real programming problems. For example, the timedelta is one of my favourite tools.
However, I have to say that there are also some limitations of the datetime modu... | [
{
"code": null,
"e": 411,
"s": 171,
"text": "The datetime module is one of the most important build-in modules in Python. It is very flexible and powerful by providing many out-of-the-box solutions to real programming problems. For example, the timedelta is one of my favourite tools."
},
{
"... |
MongoDB query to filter object where all elements from nested array match the condition | For this, use aggregate(). Let us first create a collection with documents −
> db.demo418.insertOne(
... {
... "details":[
... {
... "CountryName":"US",
... "Marks":45
... },
... {
... "CountryName":"US",
... "Marks":56
... },
... | [
{
"code": null,
"e": 1139,
"s": 1062,
"text": "For this, use aggregate(). Let us first create a collection with documents −"
},
{
"code": null,
"e": 1909,
"s": 1139,
"text": "> db.demo418.insertOne(\n... {\n... \"details\":[\n... {\n... \"CountryName... |
Beautifulsoup Installation - Python - GeeksforGeeks | 05 Oct, 2021
Beautiful Soup is a Python library for pulling data out of HTML and XML files. It works with your favorite parser to provide idiomatic ways of navigating, searching, and modifying the parse tree. It commonly saves programmers hours or days of work. The latest Version of Beautifulsoup is v4.9.3 as of now. ... | [
{
"code": null,
"e": 24973,
"s": 24945,
"text": "\n05 Oct, 2021"
},
{
"code": null,
"e": 25281,
"s": 24973,
"text": "Beautiful Soup is a Python library for pulling data out of HTML and XML files. It works with your favorite parser to provide idiomatic ways of navigating, searchin... |
How to Install and Setup Visual Studio for ASP.NET? - GeeksforGeeks | 06 Oct, 2021
Visual Studio is an Integrated Development Environment(IDE) developed by Microsoft to develop GUI(Graphical User Interface), Web applications, console, web apps, mobile apps, cloud, and web services, etc. To install and use Visual Studio for the commercial purpose one must buy a license from Microsoft. For... | [
{
"code": null,
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"text": "\n06 Oct, 2021"
},
{
"code": null,
"e": 24646,
"s": 23935,
"text": "Visual Studio is an Integrated Development Environment(IDE) developed by Microsoft to develop GUI(Graphical User Interface), Web applications, console, web apps, m... |
How to sort array of strings by their lengths following longest to shortest pattern in Java | At first, let us create and array of strings:
String[] strArr = { "ABCD", "AB", "ABCDEFG", "ABC", "A", "ABCDE", "ABCDEF", "ABCDEFGHIJ" }
Now, for longest to shortest pattern, for example ABCDEFGHIJ, ABCDEFG, ABCDEF, etc.; get the length of both the string arrays and work them like this:
Arrays.sort(strArr, (str1, str2)... | [
{
"code": null,
"e": 1108,
"s": 1062,
"text": "At first, let us create and array of strings:"
},
{
"code": null,
"e": 1199,
"s": 1108,
"text": "String[] strArr = { \"ABCD\", \"AB\", \"ABCDEFG\", \"ABC\", \"A\", \"ABCDE\", \"ABCDEF\", \"ABCDEFGHIJ\" }"
},
{
"code": null,
... |
Strategies for Global Optimization | by Syed Sadat Nazrul | Towards Data Science | Local and global optimization is usually known and somewhat ignored once we leave high school calculus. For a quick review, take the cover image of this blog. For a given function, there are multiple points where there are dips across space. Each dip is a minimum. However, you can see that only one point is the deepest... | [
{
"code": null,
"e": 1008,
"s": 171,
"text": "Local and global optimization is usually known and somewhat ignored once we leave high school calculus. For a quick review, take the cover image of this blog. For a given function, there are multiple points where there are dips across space. Each dip is ... |
What is a remote interface in java? | A Remote interface is available in the java.rmi package it is a marking/tagging interface, it is used with remote method invocation(RMI).
RMI is a mechanism that allows an object residing in one system (JVM) to access/invoke an object running on another JVM.
To it is a marking interface, to mark an object of a class re... | [
{
"code": null,
"e": 1200,
"s": 1062,
"text": "A Remote interface is available in the java.rmi package it is a marking/tagging interface, it is used with remote method invocation(RMI)."
},
{
"code": null,
"e": 1321,
"s": 1200,
"text": "RMI is a mechanism that allows an object res... |
C++ Stream Classes Structure | In C++ stream refers to the stream of characters that are transferred between the program thread and i/o.
Stream classes in C++ are used to input and output operations on files and io devices. These classes have specific features and to handle input and output of the program.
The iostream.h library holds all the stream... | [
{
"code": null,
"e": 1168,
"s": 1062,
"text": "In C++ stream refers to the stream of characters that are transferred between the program thread and i/o."
},
{
"code": null,
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"s": 1168,
"text": "Stream classes in C++ are used to input and output operations on files and i... |
Hands-on: Predict Customer Churn. Long story short — in this article we... | by flo.tausend | Towards Data Science | Long story short — in this article we want to get our hands dirty: building a model that identifies our beloved customers with the intention to leave us in the near future. We do this by implementing a predictive model with the help of python. Don’t expect a perfect model, but expect something you can use in your own c... | [
{
"code": null,
"e": 516,
"s": 172,
"text": "Long story short — in this article we want to get our hands dirty: building a model that identifies our beloved customers with the intention to leave us in the near future. We do this by implementing a predictive model with the help of python. Don’t expec... |
Find N Unique Integers Sum up to Zero in C++ | Suppose we have an integer n. We have to return any array that contains n unique integers, such that they add up to 0. So if input is n = 5, then one possible output will be [-7, -1, 1, 3, 4]
To solve this, we will follow these steps −
take an array A as final answer, and take x := 0
for i in range 0 to n – 2A[i] = (i ... | [
{
"code": null,
"e": 1254,
"s": 1062,
"text": "Suppose we have an integer n. We have to return any array that contains n unique integers, such that they add up to 0. So if input is n = 5, then one possible output will be [-7, -1, 1, 3, 4]"
},
{
"code": null,
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... |
AngularJS - Quick Guide | AngularJS is an open source web application framework. It was originally developed in 2009 by Misko Hevery and Adam Abrons. It is now maintained by Google. Its latest version is 1.4.3.
Definition of AngularJS as put by its official documentation is as follows −
AngularJS is a structural framework for dynamic web apps. ... | [
{
"code": null,
"e": 2884,
"s": 2699,
"text": "AngularJS is an open source web application framework. It was originally developed in 2009 by Misko Hevery and Adam Abrons. It is now maintained by Google. Its latest version is 1.4.3."
},
{
"code": null,
"e": 2961,
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"text"... |
Calculation of Serial and Non-Serial Schedules in DBMS - GeeksforGeeks | 10 Jan, 2022
The serial execution of a transaction is defined as Schedule. It is made up of a number of transactions each comprising of a number of instructions.
Types of Schedules –
Serial Schedules
Non-Serial Schedules
Calculation of Number of Schedules :Consider there to be N number of transactions t1, t2, t3, ....,... | [
{
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"text": "\n10 Jan, 2022"
},
{
"code": null,
"e": 24373,
"s": 24224,
"text": "The serial execution of a transaction is defined as Schedule. It is made up of a number of transactions each comprising of a number of instructions."
},
{
... |
Types of Parallelism in Processing Execution | Data Parallelism means concurrent execution of the same task on each multiple computing core.
Let’s take an example, summing the contents of an array of size N. For a single-core system, one thread would simply sum the elements [0] . . . [N − 1]. For a dual-core system, however, thread A, running on core 0, could sum t... | [
{
"code": null,
"e": 1156,
"s": 1062,
"text": "Data Parallelism means concurrent execution of the same task on each multiple computing core."
},
{
"code": null,
"e": 1574,
"s": 1156,
"text": "Let’s take an example, summing the contents of an array of size N. For a single-core sys... |
How to Build an Online Machine Learning App with Python | by M Khorasani | Towards Data Science | Machine learning is rapidly becoming as ubiquitous as data itself. Quite literally wherever there is an abundance of data, machine learning is somehow intertwined. And for good reason too. After all, what utility would data have if we were not able to use it to predict something about the future? Luckily there is a ple... | [
{
"code": null,
"e": 679,
"s": 171,
"text": "Machine learning is rapidly becoming as ubiquitous as data itself. Quite literally wherever there is an abundance of data, machine learning is somehow intertwined. And for good reason too. After all, what utility would data have if we were not able to use... |
Java Variables | Variables are containers for storing data values.
In Java, there are different types of variables, for example:
String - stores text, such as "Hello". String values are
surrounded by double quotes
int - stores integers (whole numbers), without decimals, such as 123 or -123
float - stores floating point numbers, with... | [
{
"code": null,
"e": 51,
"s": 0,
"text": "Variables are containers for storing data values. "
},
{
"code": null,
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"s": 51,
"text": "In Java, there are different types of variables, for example:"
},
{
"code": null,
"e": 200,
"s": 113,
"text": "String -... |
Meme Text Generation with a Deep Convolutional Network in Keras & Tensorflow | by dylan wenzlau | Towards Data Science | The goal of this post is to describe end-to-end how to build a deep conv net for text generation, but in greater depth than some of the existing articles I’ve read. This will be a practical guide and while I suggest many best practices, I am not an expert in deep learning theory nor have I read every single relevant re... | [
{
"code": null,
"e": 598,
"s": 171,
"text": "The goal of this post is to describe end-to-end how to build a deep conv net for text generation, but in greater depth than some of the existing articles I’ve read. This will be a practical guide and while I suggest many best practices, I am not an expert... |
SVG - Interview Questions | Dear readers, these SVG Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of SVG. As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start wi... | [
{
"code": null,
"e": 2795,
"s": 2364,
"text": "Dear readers, these SVG Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of SVG. As per my experience good interviewers hardly plan to ask any par... |
Detach interrupts from a source in Arduino | We have seen that in order to attach interrupts to a source, we use the .attachInterrupt() function, with the required arguments.
For example, for attaching the interrupts to a specific pin, we use
attachInterrupt(digitalPinToInterrupt(pin), ISR, mode);
In the same way, to detach the interrupt from a source, we can cal... | [
{
"code": null,
"e": 1192,
"s": 1062,
"text": "We have seen that in order to attach interrupts to a source, we use the .attachInterrupt() function, with the required arguments."
},
{
"code": null,
"e": 1260,
"s": 1192,
"text": "For example, for attaching the interrupts to a speci... |
Unconventional Deep Learning Techniques for Tabular Data | Deep Learning for Tabular Data | Medium | Towards Data Science | In recent years, Deep Learning has made huge strides in the fields of Computer Vision and Natural Language Processing. And as a result, deep learning techniques have often been confined to image data or sequential (text) data. What about tabular data? The traditional method of information storage and retrieval in many ... | [
{
"code": null,
"e": 1114,
"s": 172,
"text": "In recent years, Deep Learning has made huge strides in the fields of Computer Vision and Natural Language Processing. And as a result, deep learning techniques have often been confined to image data or sequential (text) data. What about tabular data? Th... |
Running Apache Flink with RocksDB on Azure Kubernetes Service | by Hunter Kempf | Towards Data Science | Recently I was looking into how to deploy an Apache Flink cluster that uses RocksDB as the backend state and found a lack of detailed documentation on the subject. I was able to piece together how to deploy this from the Flink documentation and some stack overflow posts but there wasn’t a clear how-to guide anywhere. M... | [
{
"code": null,
"e": 684,
"s": 171,
"text": "Recently I was looking into how to deploy an Apache Flink cluster that uses RocksDB as the backend state and found a lack of detailed documentation on the subject. I was able to piece together how to deploy this from the Flink documentation and some stack... |
Java Program to sort an array in alphabetical order | Let us first create a string array:
String[] strArr = new String[] { "r", "p", "v","y", "s", "q" };
Now, use the Arrays.sort() method to sort an array in alphabetical order. Here, we have set the order to be case insensitive:
Arrays.sort(strArr, String.CASE_INSENSITIVE_ORDER);
import java.util.Arrays;
public class Demo... | [
{
"code": null,
"e": 1098,
"s": 1062,
"text": "Let us first create a string array:"
},
{
"code": null,
"e": 1162,
"s": 1098,
"text": "String[] strArr = new String[] { \"r\", \"p\", \"v\",\"y\", \"s\", \"q\" };"
},
{
"code": null,
"e": 1288,
"s": 1162,
"text": ... |
TypeScript Tutorial | TypeScript lets you write JavaScript the way you really want to. TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. TypeScript is pure object oriented with classes, interfaces and statically typed like C# or Java. The popular JavaScript framework Angular 2.0 is written in TypeScript. Master... | [
{
"code": null,
"e": 2513,
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"text": "TypeScript lets you write JavaScript the way you really want to. TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. TypeScript is pure object oriented with classes, interfaces and statically typed like C# or Java. The popula... |
9 Pandas value_counts() tricks to improve your data analysis | by B. Chen | Towards Data Science | Data Scientists often spend most of their time exploring and preprocessing data. When it comes to data profiling and understand the data structure, Pandas value_counts() is one of the top favorites. The function returns a Series containing counts of unique values. The resulting Series can be sorted in descending or asc... | [
{
"code": null,
"e": 558,
"s": 171,
"text": "Data Scientists often spend most of their time exploring and preprocessing data. When it comes to data profiling and understand the data structure, Pandas value_counts() is one of the top favorites. The function returns a Series containing counts of uniqu... |
Tada Animation Effect with CSS | To create Tada animation effect with CSS, you can try to run the following code:
Live Demo
<html>
<head>
<style>
.animated {
background-image: url(/css/images/logo.png);
background-repeat: no-repeat;
background-position: left top;
padding-top:95px;
... | [
{
"code": null,
"e": 1143,
"s": 1062,
"text": "To create Tada animation effect with CSS, you can try to run the following code:"
},
{
"code": null,
"e": 1153,
"s": 1143,
"text": "Live Demo"
},
{
"code": null,
"e": 2666,
"s": 1153,
"text": "<html>\n <head>\n ... |
How to position text to bottom left on an image with CSS | To position text to bottom left, use the bottom and left property. You can try to run the following code to position text to bottom left on an image
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
.box {
position: relative;
}
img {
width: 100%;
hei... | [
{
"code": null,
"e": 1211,
"s": 1062,
"text": "To position text to bottom left, use the bottom and left property. You can try to run the following code to position text to bottom left on an image"
},
{
"code": null,
"e": 1221,
"s": 1211,
"text": "Live Demo"
},
{
"code": n... |
Pascal - Classes | You have seen that Pascal Objects exhibit some characteristics of object-oriented paradigm. They implement encapsulation, data hiding and inheritance, but they also have limitations. For example, Pascal Objects do not take part in polymorphism. So classes are widely used to implement proper object-oriented behavior in ... | [
{
"code": null,
"e": 2449,
"s": 2083,
"text": "You have seen that Pascal Objects exhibit some characteristics of object-oriented paradigm. They implement encapsulation, data hiding and inheritance, but they also have limitations. For example, Pascal Objects do not take part in polymorphism. So class... |
Inserting Date() in MongoDB through Mongo shell? | In order to insert Date() in MongoDB through Mongo shell, use the following syntax
var yourVariableName= new Date(year,month, day, hour, minute);
db.yourCollectionName({yourDateFieldName:yourVariableName});
Let us first create a date variable
> var creatingDate = new Date(2019, 03, 29, 13, 12);
Let us create a collecti... | [
{
"code": null,
"e": 1145,
"s": 1062,
"text": "In order to insert Date() in MongoDB through Mongo shell, use the following syntax"
},
{
"code": null,
"e": 1269,
"s": 1145,
"text": "var yourVariableName= new Date(year,month, day, hour, minute);\ndb.yourCollectionName({yourDateFiel... |
Creating a popup message box with an Entry field in tkinter | Tkinter Popup are toplevel window interfaces that wrap up the widget and the element with the main window. It can be embedded in any main window using a handler like Button Widget. Popup can be created using the Toplevel(root) constructor.
In this example, we will create a simple application containing a Label widget a... | [
{
"code": null,
"e": 1302,
"s": 1062,
"text": "Tkinter Popup are toplevel window interfaces that wrap up the widget and the element with the main window. It can be embedded in any main window using a handler like Button Widget. Popup can be created using the Toplevel(root) constructor."
},
{
... |
LIME: Explaining predictions of machine learning models (1/2) | by Sharayu Rane | Towards Data Science | Feature Importance using Gini IndexFeature Importance using Permutation ImportancePartial Dependence Plots
Feature Importance using Gini Index
Feature Importance using Permutation Importance
Partial Dependence Plots
I would like to begin by asking the following question: “Can we trust the model predictions just because... | [
{
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"text": "Feature Importance using Gini IndexFeature Importance using Permutation ImportancePartial Dependence Plots"
},
{
"code": null,
"e": 315,
"s": 279,
"text": "Feature Importance using Gini Index"
},
{
"code": null,
"e": 363,
... |
How to make a specific text on TextView bold in Android? | This example demonstrates how do I make a specific text on TextView bold in android.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?>
<R... | [
{
"code": null,
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"text": "This example demonstrates how do I make a specific text on TextView bold in android."
},
{
"code": null,
"e": 1276,
"s": 1147,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required d... |
Accelerating end-to-end Machine Learning workflows with NVIDIA RAPIDS | by Dhrumil Patel | Towards Data Science | From space exploration to robotics, from game engines to medical research, and from training a single model to powering the entire data center, GPUs are an integral part of the process of how we deal with data.
If one thing that we need today, more than ever, is the speed to process the enormous data we generate. With ... | [
{
"code": null,
"e": 383,
"s": 172,
"text": "From space exploration to robotics, from game engines to medical research, and from training a single model to powering the entire data center, GPUs are an integral part of the process of how we deal with data."
},
{
"code": null,
"e": 642,
... |
How to use the same JavaScript in multiple content pages? | To use the same JavaScript in more than one page, add the js code in an external JavaScript file. Let’s say the following demo.js is our external JavaScript file −
function display() {
alert("Hello World!");
}
Now add the external JavaScript file to the following HTML web page. In the same way, you can add it to mul... | [
{
"code": null,
"e": 1226,
"s": 1062,
"text": "To use the same JavaScript in more than one page, add the js code in an external JavaScript file. Let’s say the following demo.js is our external JavaScript file −"
},
{
"code": null,
"e": 1275,
"s": 1226,
"text": "function display()... |
C# Decision Making (if, if-else, if-else-if ladder, nested if, switch, nested switch) - GeeksforGeeks | 06 Jul, 2021
Decision Making in programming is similar to decision making in real life. In programming too, a certain block of code needs to be executed when some condition is fulfilled. A programming language uses control statements to control the flow of execution of program based on certain conditions. These are use... | [
{
"code": null,
"e": 25224,
"s": 25196,
"text": "\n06 Jul, 2021"
},
{
"code": null,
"e": 25665,
"s": 25224,
"text": "Decision Making in programming is similar to decision making in real life. In programming too, a certain block of code needs to be executed when some condition is ... |
Display numbers with thousands separator in Java | To display number with thousands separator, set a comma flag.
System.out.printf( "%,d\n",78567);
The above would result.
78, 567
Let’s check for bigger numbers.
System.out.printf( "%,d\n", 463758);
The above would result.
463,758
Live Demo
public class Demo {
public static void main( String args[] ) {
System.... | [
{
"code": null,
"e": 1124,
"s": 1062,
"text": "To display number with thousands separator, set a comma flag."
},
{
"code": null,
"e": 1159,
"s": 1124,
"text": "System.out.printf( \"%,d\\n\",78567);"
},
{
"code": null,
"e": 1183,
"s": 1159,
"text": "The above w... |
Training Neural Networks with Validation using PyTorch - GeeksforGeeks | 19 Aug, 2021
Neural Networks are a biologically-inspired programming paradigm that deep learning is built around. Python provides various libraries using which you can create and train neural networks over given data. PyTorch is one such library that provides us with various utilities to build and train neural networks... | [
{
"code": null,
"e": 25725,
"s": 25697,
"text": "\n19 Aug, 2021"
},
{
"code": null,
"e": 26662,
"s": 25725,
"text": "Neural Networks are a biologically-inspired programming paradigm that deep learning is built around. Python provides various libraries using which you can create a... |
JavaFX | MenuButton - GeeksforGeeks | 01 Dec, 2021
MenuButton is a part of the JavaFX library. The menuButton when pressed shows a context menu that displays a set of items and the user may select any item. It typically contains several menu items and the user may select at most one MenuItem at a time. Constructor of the MenuButton class are:
MenuButton()... | [
{
"code": null,
"e": 25309,
"s": 25281,
"text": "\n01 Dec, 2021"
},
{
"code": null,
"e": 25604,
"s": 25309,
"text": "MenuButton is a part of the JavaFX library. The menuButton when pressed shows a context menu that displays a set of items and the user may select any item. It typi... |
Tryit Editor v3.7 | HTML form attributes
Tryit: HTML form action attribute | [
{
"code": null,
"e": 31,
"s": 10,
"text": "HTML form attributes"
}
] |
Double elements and append zeros in linked list - GeeksforGeeks | 22 Mar, 2022
Given a linked list with some two adjacent repeating nodes before a zero, task is to double the first and make next 0. After this, append all the zeros to tail.Prerequisite: Basics of implementation of Singly Linked List
Examples :
Input : 4 -> 4 -> 0 -> 2 -> 3 -> 4 ->
3 -> 3 -> 0 -> 4 ->
Output... | [
{
"code": null,
"e": 26205,
"s": 26177,
"text": "\n22 Mar, 2022"
},
{
"code": null,
"e": 26426,
"s": 26205,
"text": "Given a linked list with some two adjacent repeating nodes before a zero, task is to double the first and make next 0. After this, append all the zeros to tail.Pre... |
Batch Normalization and Dropout in Neural Networks with Pytorch | by Niranjan Kumar | Towards Data Science | In this article, we will discuss why we need batch normalization and dropout in deep neural networks followed by experiments using Pytorch on a standard data set to see the effects of batch normalization and dropout. This article is based on my understanding of deep learning lectures from PadhAI.
Citation Note: The con... | [
{
"code": null,
"e": 470,
"s": 172,
"text": "In this article, we will discuss why we need batch normalization and dropout in deep neural networks followed by experiments using Pytorch on a standard data set to see the effects of batch normalization and dropout. This article is based on my understand... |
How to create an ordered list with list items numbered with numbers in HTML? | To create ordered list in HTML, use the <ol> tag. Ordered list starts with the <ol> tag. The list item starts with the <li> tag and will be marked as numbers, lowercase letters uppercase letters, roman letters, etc. The default numbers for list items.
For creating an ordered list with numbers, use the <ol> tag attribut... | [
{
"code": null,
"e": 1314,
"s": 1062,
"text": "To create ordered list in HTML, use the <ol> tag. Ordered list starts with the <ol> tag. The list item starts with the <li> tag and will be marked as numbers, lowercase letters uppercase letters, roman letters, etc. The default numbers for list items."
... |
Java Program For Reversing A Linked List In Groups Of Given Size- Set 2 - GeeksforGeeks | 11 Jan, 2022
Given a linked list, write a function to reverse every k nodes (where k is an input to the function). Examples:
Input: 1->2->3->4->5->6->7->8->NULL and k = 3
Output: 3->2->1->6->5->4->8->7->NULL.
Input: 1->2->3->4->5->6->7->8->NULL and k = 5
Output: 5->4->3->2->1->8->7->6->NULL.
We have already discusse... | [
{
"code": null,
"e": 25315,
"s": 25287,
"text": "\n11 Jan, 2022"
},
{
"code": null,
"e": 25427,
"s": 25315,
"text": "Given a linked list, write a function to reverse every k nodes (where k is an input to the function). Examples:"
},
{
"code": null,
"e": 25598,
"s"... |
Bin Packing Problem (Minimize number of used Bins) in C++? | In case of given m elements of different weights and bins each of capacity C, assign each element to a bin so that number of total implemented bins is minimized. Assumption should be that all elements have weights less than bin capacity.
Placing data on multiple disks.
Placing data on multiple disks.
Loading of contain... | [
{
"code": null,
"e": 1300,
"s": 1062,
"text": "In case of given m elements of different weights and bins each of capacity C, assign each element to a bin so that number of total implemented bins is minimized. Assumption should be that all elements have weights less than bin capacity."
},
{
"... |
How to return object from an array with highest key values along with name - JavaScript? | Suppose, we have an array of objects that contains information about marks of some students in a test −
const students = [
{ name: 'Andy', total: 40 },
{ name: 'Seric', total: 50 },
{ name: 'Stephen', total: 85 },
{ name: 'David', total: 30 },
{ name: 'Phil', total: 40 },
{ name: 'Eric', total: 82 },
... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "Suppose, we have an array of objects that contains information about marks of some students in a test −"
},
{
"code": null,
"e": 1452,
"s": 1166,
"text": "const students = [\n { name: 'Andy', total: 40 },\n { name: 'Seric', total... |
What is Control Statements? | Control statements are the statements that change the flow of execution of statements. For example, If, If-else, Switch-Case, while-do statements. In programming languages, Boolean expressions are used to
Alter the flow of control− Boolean expressions are used as conditional expressions in a statement that alter the fl... | [
{
"code": null,
"e": 1267,
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"text": "Control statements are the statements that change the flow of execution of statements. For example, If, If-else, Switch-Case, while-do statements. In programming languages, Boolean expressions are used to"
},
{
"code": null,
"e": 1564,
"... |
H2 Database - Merge | MERGE command is used to update the existing rows and insert new rows into a table. The primary key column plays an important role while using this command; it is used to find the row.
Following is the generic syntax of the MERGE command.
MERGE INTO tableName [ ( columnName [,...] ) ]
[ KEY ( columnName [,...] ) ]
{... | [
{
"code": null,
"e": 2293,
"s": 2107,
"text": "MERGE command is used to update the existing rows and insert new rows into a table. The primary key column plays an important role while using this command; it is used to find the row."
},
{
"code": null,
"e": 2347,
"s": 2293,
"text... |
Spring MVC - Internal Resource View Resolver Example | The InternalResourceViewResolver is used to resolve the provided URI to actual URI. The following example shows how to use the InternalResourceViewResolver using the Spring Web MVC Framework. The InternalResourceViewResolver allows mapping webpages with requests.
package com.tutorialspoint;
import org.springframework.... | [
{
"code": null,
"e": 3055,
"s": 2791,
"text": "The InternalResourceViewResolver is used to resolve the provided URI to actual URI. The following example shows how to use the InternalResourceViewResolver using the Spring Web MVC Framework. The InternalResourceViewResolver allows mapping webpages with... |
Part 1 — Initial Setup + Depth (OpenCV Spatial AI Competition Journey)| by Ibai Gorordo | Aug, 2020 | Towards Data Science | Update: This article is part of a series where I will be documenting my journey on the development of a social distancing feedback system for the blind as part of the OpenCV Spatial Competition. Check out the full series: Part 1, Part 2.
Recently, the people at OpenCV launched the OpenCV Spatial AI competition sponsore... | [
{
"code": null,
"e": 409,
"s": 171,
"text": "Update: This article is part of a series where I will be documenting my journey on the development of a social distancing feedback system for the blind as part of the OpenCV Spatial Competition. Check out the full series: Part 1, Part 2."
},
{
"co... |
Topic Modeling in One Line with Top2Vec | by Jiahao Weng | Towards Data Science | Topic modeling was not always so easy. Not long ago, the prevalent method for topic modeling was Latent Dirichlet Allocation (LDA). Using LDA with Gensim is simple to code, but the results... I often struggled to get any useful insights. It, therefore, impressed me when I was exploring the use of the module Top2Vec and... | [
{
"code": null,
"e": 550,
"s": 172,
"text": "Topic modeling was not always so easy. Not long ago, the prevalent method for topic modeling was Latent Dirichlet Allocation (LDA). Using LDA with Gensim is simple to code, but the results... I often struggled to get any useful insights. It, therefore, im... |
Crop Images in CSS with object-fit and object-position | CSS object-fit and object-position property helps us crop images and specify how it is displayed in an element.
The syntax of CSS object-fit property is as follows −
Selector {
object-fit: /*value*/
object-position:/*value*/
}
The following examples illustrate CSS object-fit property.
Live Demo
<!DOCTYPE html>
<... | [
{
"code": null,
"e": 1174,
"s": 1062,
"text": "CSS object-fit and object-position property helps us crop images and specify how it is displayed in an element."
},
{
"code": null,
"e": 1228,
"s": 1174,
"text": "The syntax of CSS object-fit property is as follows −"
},
{
"c... |
Node.js fs.readFileSync() Method - GeeksforGeeks | 03 Nov, 2021
The fs.readFileSync() method is an inbuilt application programming interface of fs module which is used to read the file and return its content. In fs.readFile() method, we can read a file in a non-blocking asynchronous way, but in fs.readFileSync() method, we can read files in a synchronous way, i.e. we a... | [
{
"code": null,
"e": 24574,
"s": 24546,
"text": "\n03 Nov, 2021"
},
{
"code": null,
"e": 25216,
"s": 24574,
"text": "The fs.readFileSync() method is an inbuilt application programming interface of fs module which is used to read the file and return its content. In fs.readFile() m... |
Dictionary.ContainsKey() Method in C# | The Dictionary.ContainsKey() method in C# checks whether the Dictionary<TKey, TValue< has the specified key or not.
public bool ContainsKey (TKey key);
Above, the parameter key is the key to be found.
Let us now see an example to implement the Dictionary.ContainsKey() method −
using System;
using System.Collections.Gen... | [
{
"code": null,
"e": 1178,
"s": 1062,
"text": "The Dictionary.ContainsKey() method in C# checks whether the Dictionary<TKey, TValue< has the specified key or not."
},
{
"code": null,
"e": 1214,
"s": 1178,
"text": "public bool ContainsKey (TKey key);"
},
{
"code": null,
... |
CausalImpact and R: Analysing Time Series Interventions | by Michael Grogan | Towards Data Science | Disclaimer: This article is written on an “as is” basis and without warranty. It was written with the intention of providing an overview of data science concepts, and should not be interpreted as investment advice, or any other sort of professional advice.
Interventions (or external factors independent of a time series... | [
{
"code": null,
"e": 428,
"s": 171,
"text": "Disclaimer: This article is written on an “as is” basis and without warranty. It was written with the intention of providing an overview of data science concepts, and should not be interpreted as investment advice, or any other sort of professional advice... |
How to implement AlarmManager in Android using Kotlin? | This example demonstrates how to to implement AlarmManager in Android using Kotlin.
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" encoding="utf-8"?>
<Re... | [
{
"code": null,
"e": 1146,
"s": 1062,
"text": "This example demonstrates how to to implement AlarmManager in Android using Kotlin."
},
{
"code": null,
"e": 1275,
"s": 1146,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required de... |
numpy.char.add() | This function performs elementwise string concatenation.
import numpy as np
print 'Concatenate two strings:'
print np.char.add(['hello'],[' xyz'])
print '\n'
print 'Concatenation example:'
print np.char.add(['hello', 'hi'],[' abc', ' xyz'])
Its output would be as follows −
Concatenate two strings:
['hello xyz']
C... | [
{
"code": null,
"e": 2300,
"s": 2243,
"text": "This function performs elementwise string concatenation."
},
{
"code": null,
"e": 2489,
"s": 2300,
"text": "import numpy as np \nprint 'Concatenate two strings:' \nprint np.char.add(['hello'],[' xyz']) \nprint '\\n'\n\nprint 'Concate... |
Stream.concat() in Java - GeeksforGeeks | 06 Dec, 2018
Stream.concat() method creates a concatenated stream in which the elements are all the elements of the first stream followed by all the elements of the second stream. The resulting stream is ordered if both of the input streams are ordered, and parallel if either of the input streams is parallel.
Syntax :
... | [
{
"code": null,
"e": 24212,
"s": 24184,
"text": "\n06 Dec, 2018"
},
{
"code": null,
"e": 24510,
"s": 24212,
"text": "Stream.concat() method creates a concatenated stream in which the elements are all the elements of the first stream followed by all the elements of the second stre... |
How to convert Java Array/Collection to JSON array? | Google provides a library named org.json.JSONArray and, following is the maven dependency to add library to your project.
<dependency>
<groupId>com.googlecode.json-simple</groupId>
<artifactId>json-simple</artifactId>
<version>1.1</version>
</dependency>
The JSONArray class of the org.json package provides put... | [
{
"code": null,
"e": 1184,
"s": 1062,
"text": "Google provides a library named org.json.JSONArray and, following is the maven dependency to add library to your project."
},
{
"code": null,
"e": 1326,
"s": 1184,
"text": "<dependency>\n <groupId>com.googlecode.json-simple</groupI... |
What does the KEY keyword mean in MySQL? | Key is synonymous to an index. If you want to create an index for a column, then use ‘Key’.
As stated in the official docs:
KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can also be specified as just KEY when given in a column definition. This was implemented for compatibility with other database s... | [
{
"code": null,
"e": 1154,
"s": 1062,
"text": "Key is synonymous to an index. If you want to create an index for a column, then use ‘Key’."
},
{
"code": null,
"e": 1186,
"s": 1154,
"text": "As stated in the official docs:"
},
{
"code": null,
"e": 1390,
"s": 1186,
... |
Material Design Lite - Buttons | MDL provides a range of CSS classes to apply various predefined visual and behavioral
enhancements to the buttons. The following table lists down the available classes and their
effects.
mdl-button
Sets button as an MDL component, required.
mdl-js-button
Adds basic MDL behavior to button, required.
(none)
Sets flat dis... | [
{
"code": null,
"e": 2073,
"s": 1886,
"text": "MDL provides a range of CSS classes to apply various predefined visual and behavioral\nenhancements to the buttons. The following table lists down the available classes and their\neffects."
},
{
"code": null,
"e": 2084,
"s": 2073,
"t... |
Count occurrences of strings formed using words in another string - GeeksforGeeks | 24 Jan, 2022
Given a string A and a vector of strings B, the task is to count the number of strings in vector B that only contains the words from A.
Examples:
Input: A=”blue green red yellow”B[]={“blue red”, “green pink”, “yellow green”}Output: 2
Input: A=”apple banana pear”B[]={“apple”, “banana apple”, “pear banana”}O... | [
{
"code": null,
"e": 26250,
"s": 26222,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 26386,
"s": 26250,
"text": "Given a string A and a vector of strings B, the task is to count the number of strings in vector B that only contains the words from A."
},
{
"code": null,... |
Duplicate Elements | Practice | GeeksforGeeks | You are given an array A of size N. The array contains almost distinct elements with some duplicated. You have to print the elements in sorted order which appears more than once.
Input Format:
The first line of input contains T, denoting the number of testcases. T testcases follow. Each testcase contains two lines of ... | [
{
"code": null,
"e": 406,
"s": 226,
"text": "You are given an array A of size N. The array contains almost distinct elements with some duplicated. You have to print the elements in sorted order which appears more than once. "
},
{
"code": null,
"e": 661,
"s": 406,
"text": "Input ... |
Guide to fine-tuning Text Generation models: GPT-2, GPT-Neo and T5 | by Mohit Mayank | Towards Data Science | The code used in this article can be found here — GPT and T5. To read more about text generation models, see this. For more such articles visit my website or have a look at my latest short book on Data science. You can also connect with me on LinkedIn.
Recent researches in NLP led to the release of multiple massive-siz... | [
{
"code": null,
"e": 425,
"s": 172,
"text": "The code used in this article can be found here — GPT and T5. To read more about text generation models, see this. For more such articles visit my website or have a look at my latest short book on Data science. You can also connect with me on LinkedIn."
... |
Segregate even and odd nodes in a Linked List | 22 Jun, 2022
Given a Linked List of integers, write a function to modify the linked list such that all even numbers appear before all the odd numbers in the modified linked list. Also, keep the order of even and odd numbers same.Examples:
Input: 17->15->8->12->10->5->4->1->7->6->NULL
Output: 8->12->10->4->6->17->15->... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n22 Jun, 2022"
},
{
"code": null,
"e": 282,
"s": 54,
"text": "Given a Linked List of integers, write a function to modify the linked list such that all even numbers appear before all the odd numbers in the modified linked list. Also, ke... |
Kotlin Hashmap | 19 Aug, 2019
Kotlin HashMap is a collection which contains pairs of object. Kotlin Hash Table based implementation of the MutableMap interface. It stores the data in the form of key and value pair. Map keys are unique and the map holds only one value for each key. It is represented as HashMap<key, value> or HashMap<K, ... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n19 Aug, 2019"
},
{
"code": null,
"e": 364,
"s": 53,
"text": "Kotlin HashMap is a collection which contains pairs of object. Kotlin Hash Table based implementation of the MutableMap interface. It stores the data in the form of key and v... |
How to solve Relational Algebra problems for GATE | 23 Jun, 2021
In this article, Let’s discuss common types of questions in relational algebra which are asked in GATE. Before reading this article, you should have an idea about Basic Operators and Extended Operators in relational algebra.
Type-1: Given a relational algebra expression, find the result. Suppose you have ... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n23 Jun, 2021"
},
{
"code": null,
"e": 278,
"s": 52,
"text": "In this article, Let’s discuss common types of questions in relational algebra which are asked in GATE. Before reading this article, you should have an idea about Basic Opera... |
Python | Pandas Series.fillna() | 13 Feb, 2019
Pandas series is a One-dimensional ndarray with axis labels. The labels need not be unique but must be a hashable type. The object supports both integer- and label-based indexing and provides a host of methods for performing operations involving the index.
Pandas Series.fillna() function is used to fill NA... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n13 Feb, 2019"
},
{
"code": null,
"e": 285,
"s": 28,
"text": "Pandas series is a One-dimensional ndarray with axis labels. The labels need not be unique but must be a hashable type. The object supports both integer- and label-based index... |
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