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Java Collections | Set 8 (TreeSet) | Practice | GeeksforGeeks | Given n strings added in a TreeSet and four characters a,b,c,d. Firstly print all the strings which are less than a , then print all the strings which are greater than or equal to b. In the end print all the strings which are greater than or equal to c and less than d i.e between c and d ( excluding d ).
Input:
The fi... | [
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"text": "Given n strings added in a TreeSet and four characters a,b,c,d. Firstly print all the strings which are less than a , then print all the strings which are greater than or equal to b. In the end print all the strings which are greater than or equal to c an... |
Dictionary.Clear Method in C# | The Dictionary.Clear() method in C# removes all key/value pairs from the Dictionary<TKey,TValue>.
public void Clear();
Let us now see an example to implement the Dictionary.Clear() method −
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
Dictionary<string, string>... | [
{
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"text": "The Dictionary.Clear() method in C# removes all key/value pairs from the Dictionary<TKey,TValue>."
},
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"s": 1160,
"text": "public void Clear();"
},
{
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"... |
Java Program for Count ways to reach the n'th stair - GeeksforGeeks | 02 Jan, 2019
There are n stairs, a person standing at the bottom wants to reach the top. The person can climb either 1 stair or 2 stairs at a time. Count the number of ways, the person can reach the top.
Consider the example shown in diagram. The value of n is 3. There are 3 ways to reach the top. The diagram is taken ... | [
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"text": "\n02 Jan, 2019"
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"code": null,
"e": 24704,
"s": 24513,
"text": "There are n stairs, a person standing at the bottom wants to reach the top. The person can climb either 1 stair or 2 stairs at a time. Count the number of ways, th... |
Benchmark M1 vs Xeon vs Core i5 vs K80 and T4 | by Fabrice Daniel | Towards Data Science | Since their launch in November, Apple Silicon M1 Macs are showing very impressive performances in many benchmarks. These new processors are so fast that many tests compare MacBook Air or Pro to high-end desktop computers instead of staying in the laptop range. It usually does not make sense in benchmark. But here thing... | [
{
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"text": "Since their launch in November, Apple Silicon M1 Macs are showing very impressive performances in many benchmarks. These new processors are so fast that many tests compare MacBook Air or Pro to high-end desktop computers instead of staying in the laptop r... |
Simple Ways to Improve Your Matplotlib | by Kimberly Fessel | Towards Data Science | Matplotlib is typically the first data visualization package that Python programmers learn. While its users can create basic figures with just a few lines of code, these resulting default plots often prove insufficient in both design aesthetics and communicative power. Simple adjustments can lead to dramatic improvemen... | [
{
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"text": "Matplotlib is typically the first data visualization package that Python programmers learn. While its users can create basic figures with just a few lines of code, these resulting default plots often prove insufficient in both design aesthetics and commun... |
C# Program to print all permutations of a given string - GeeksforGeeks | 10 Dec, 2021
A permutation also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself. A string of length n has n! permutation.
Source: Mathword(http://mathworld.wolfram.com/Permutation.html)
Below are the permutations of strin... | [
{
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"code": null,
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"text": "A permutation also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itsel... |
HandCalcs module in Python - GeeksforGeeks | 05 Sep, 2020
HandCalcs is a library in Python to make calculations automatically in Latex, but in a way that imitates how the equation might be formatted when handwritten, write the mathematical formula, supported by numerical substitutions, and then the output. Since HandCalcs indicates the numerical replacement, the ... | [
{
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"text": "\n05 Sep, 2020"
},
{
"code": null,
"e": 24268,
"s": 23901,
"text": "HandCalcs is a library in Python to make calculations automatically in Latex, but in a way that imitates how the equation might be formatted when handwritten, writ... |
Non-decreasing subsequence | Practice | GeeksforGeeks | Given a sequence of n integers, the task is to find out the non-decreasing subsequence of length k with minimum sum. If no sequence exists output -1.
Example 1:
Input: N = 10, K = 3, arr[] = {58, 12,
11, 12, 82, 30, 20, 77, 16, 86}
Output: 39
Explanation: {11 + 12 + 16}
Input: N = 10, K = 4, arr[] = {58, 12,
11... | [
{
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"text": "Given a sequence of n integers, the task is to find out the non-decreasing subsequence of length k with minimum sum. If no sequence exists output -1."
},
{
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"text": "Example 1:"
},
{
"code": nul... |
Stream.reduce() in Java with examples - GeeksforGeeks | 16 Oct, 2019
Many times, we need to perform operations where a stream reduces to single resultant value, for example, maximum, minimum, sum, product, etc. Reducing is the repeated process of combining all elements.
reduce operation applies a binary operator to each element in the stream where the first argument to the ... | [
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"text": "Many times, we need to perform operations where a stream reduces to single resultant value, for example, maximum, minimum, sum, product, etc. Reducing is the repea... |
What is vertical bar in Python bitwise assignment operator? | Vertical bar (|) stands for bitwise or operator. In case of two integer objects, it returns bitwise OR operation of two
>>> a=4
>>> bin(a)
'0b100'
>>> b=5
>>> bin(b)
'0b101'
>>> a|b
5
>>> c=a|b
>>> bin(c)
'0b101' | [
{
"code": null,
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"text": "Vertical bar (|) stands for bitwise or operator. In case of two integer objects, it returns bitwise OR operation of two"
},
{
"code": null,
"e": 1275,
"s": 1182,
"text": ">>> a=4\n>>> bin(a)\n'0b100'\n>>> b=5\n>>> bin(b)\n'0b101'\n>>... |
How to change the background color of a Treeview in Tkinter? | The Treeview widget is designed to display the data in a hierarchical structure. It can be used to display the directories, child directories or files in the form of a list. The items present in the Listbox are called Listbox items.
The treeview widget includes many properties and attributes through which we can change... | [
{
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"text": "The Treeview widget is designed to display the data in a hierarchical structure. It can be used to display the directories, child directories or files in the form of a list. The items present in the Listbox are called Listbox items."
},
{
"code"... |
GATE | GATE-CS-2014-(Set-3) | Question 38 - GeeksforGeeks | 28 Jun, 2021
An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header of length 20 bytes. The values of the relevant fields in the header of the third IP fragment generated by the router for this packet are
(A) MF bit: 0, Datagram Length: 1444; Off... | [
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"code": null,
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"text": "An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header of length 20 bytes. The values of ... |
C++ Vector Library - at() Function | The C++ function std::vector::at() returns reference to the element present at location n in the vector.
Following is the declaration for std::vector::at() function form std::vector header.
reference at (size_type n);
const_reference at (size_type n) const;
n − Position of element from container.
Returns an element fr... | [
{
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"text": "The C++ function std::vector::at() returns reference to the element present at location n in the vector."
},
{
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"text": "Following is the declaration for std::vector::at() function form std::vector ... |
DateTime.ToString() Method in C# | Set – 1 - GeeksforGeeks | 27 Dec, 2021
This method is used to Converts the value of the current DateTime object to its equivalent string representation. There are total 4 methods in the overload list of this method:
ToString(String, IFormatProvider)
ToString(String)
ToString(IFormatProvider)
ToString()
Here, we will discuss only first two meth... | [
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},
{
"code": null,
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"text": "This method is used to Converts the value of the current DateTime object to its equivalent string representation. There are total 4 methods in the overload list of... |
Create Classes Dynamically in Python - GeeksforGeeks | 09 Mar, 2020
A class defines a collection of instance variables and methods to specify an object type. A class can be used to make as many object instances of the type of object as needed. An object is an identified entity with certain attributes (data members) and behaviours (member functions). Group of objects having... | [
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"text": "A class defines a collection of instance variables and methods to specify an object type. A class can be used to make as many object instances of the type of objec... |
Java program to find the Frequency of a character in a given String | To find the Frequency of a character in a given String
Read a string from the user.
Read the character.
Create an integer variable initialize it with 0.
Compare each character in the given string with the entered character increment the above created integer variable each time a match occurs.
import java.util.Scann... | [
{
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"text": "To find the Frequency of a character in a given String"
},
{
"code": null,
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"text": " Read a string from the user."
},
{
"code": null,
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"text": " Read the character."
},... |
Write a function to delete a Linked List - GeeksforGeeks | 01 Feb, 2022
Algorithm For C/C++: Iterate through the linked list and delete all the nodes one by one. The main point here is not to access the next of the current pointer if the current pointer is deleted.In Java, Python and JavaScript automatic garbage collection happens, so deleting a linked list is easy. Just need ... | [
{
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"text": "\n01 Feb, 2022"
},
{
"code": null,
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"text": "Algorithm For C/C++: Iterate through the linked list and delete all the nodes one by one. The main point here is not to access the next of the current pointer if t... |
How to cluster images based on visual similarity | by Gabe Flomo | Towards Data Science | In this tutorial, I'm going to walk you through using a pre-trained neural network to extract a feature vector from images and cluster the images based on how similar the feature vectors are.
The pre-trained model that will be used in this tutorial is the VGG16 convolutional neural network (CNN), which is considered to... | [
{
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"text": "In this tutorial, I'm going to walk you through using a pre-trained neural network to extract a feature vector from images and cluster the images based on how similar the feature vectors are."
},
{
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Predictive Analysis of an IPL Match | by Geet Pithadia | Towards Data Science | Since the dawn of the IPL in 2008, it has attracted viewers all around the globe. High level of uncertainty and last moment nail biters has urged fans to watch the matches. Within a short period, IPL has become the highest revenue generating league of cricket. Data Analytics has been a part of sports entertainment for ... | [
{
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"text": "Since the dawn of the IPL in 2008, it has attracted viewers all around the globe. High level of uncertainty and last moment nail biters has urged fans to watch the matches. Within a short period, IPL has become the highest revenue generating league of cric... |
ThaiBuddhistDate now(ZoneId) method in Java with Examples - GeeksforGeeks | 20 May, 2020
The now() method of java.time.chrono.ThaiBuddhistDate class is used to get the current ThaiBuddhist date according to the ThaiBuddhist calendar system in the specified zone.
Syntax:
public static ThaiBuddhistDate
now(ZoneId zone)
Parameter: This method takes the object of zone id on the basi... | [
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"code": null,
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"text": "The now() method of java.time.chrono.ThaiBuddhistDate class is used to get the current ThaiBuddhist date according to the ThaiBuddhist calendar system in the speci... |
numpy.fv() in Python - GeeksforGeeks | 29 Nov, 2018
numpy.fv(rate, nper, pmt, pv, when = ‘end’) : This financial function helps user to compute future values.
Parameters :
rate : [scalar or (M, )array] Rate of interest as decimal (not per cent) per periodnper : [scalar or (M, )array] total compounding periodspmt : [scalar or (M, )array] fixed paymentpv : [s... | [
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"text": "numpy.fv(rate, nper, pmt, pv, when = ‘end’) : This financial function helps user to compute future values."
},
{
"code": null,
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"s": 249... |
break, continue and label in Java loop | Following example showcases labels 'first', 'second' before a for statement and use the break/continue controls to jump to that label. See the example below.
Live Demo
public class Tester {
public static void main(String args[]) {
first:
for (int i = 0; i < 3; i++) {
for (int j = 0; j< 3; ... | [
{
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"text": "Following example showcases labels 'first', 'second' before a for statement and use the break/continue controls to jump to that label. See the example below."
},
{
"code": null,
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"text": "Live Demo"
},
{
... |
ES6 - Collections | ES6 introduces two new data structures: Maps and Sets.
Maps − This data structure enables mapping a key to a value.
Maps − This data structure enables mapping a key to a value.
Sets − Sets are similar to arrays. However, sets do not encourage duplicates.
Sets − Sets are similar to arrays. However, sets do not encourage... | [
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"text": "ES6 introduces two new data structures: Maps and Sets."
},
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"code": null,
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"text": "Maps − This data structure enables mapping a key to a value."
},
{
"code": null,
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"s": 2393,
"tex... |
GATE | GATE-CS-2014-(Set-1) | Question 65 - GeeksforGeeks | 14 Feb, 2018
Consider the following set of processes that need to be scheduled on a single CPU. All the times are given in milliseconds.
Process Name Arrival Time Execution Time
A 0 6
B 3 2
c 5 4
... | [
{
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"text": "\n14 Feb, 2018"
},
{
"code": null,
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"text": "Consider the following set of processes that need to be scheduled on a single CPU. All the times are given in milliseconds."
},
{
"code": null,
"e": 24... |
How to grant replication privilege to a database in MySQL? | To grant replication privilege, use GRANT REPLICATION SLAVE ON.
First list all the user names along with host from MySQL.user table −
mysql> select user,host from mysql.user;
This will produce the following output −
+------------------+-----------+
| user | host |
+------------------+-----------+
| Bob... | [
{
"code": null,
"e": 1126,
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"text": "To grant replication privilege, use GRANT REPLICATION SLAVE ON."
},
{
"code": null,
"e": 1196,
"s": 1126,
"text": "First list all the user names along with host from MySQL.user table −"
},
{
"code": null,
"e": 1237,
"... |
Find the Rotation Count in Rotated Sorted array - GeeksforGeeks | 30 Mar, 2022
Consider an array arr of distinct numbers sorted in increasing order. Given that this array has been rotated (clockwise) k number of times. Given such an array, find the value of k.
Examples:
Input: arr[] = {15, 18, 2, 3, 6, 12}Output: 2Explanation: Initial array must be {2, 3, 6, 12, 15, 18}. We get the... | [
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"text": "Consider an array arr of distinct numbers sorted in increasing order. Given that this array has been rotated (clockwise) k number of times. Given such an array, fi... |
Advanced Excel Financial - XNPV Function | The XNPV function returns the net present value for a schedule of cash flows that is not necessarily periodic. To calculate the net present value for a series of cash flows that is periodic, use the NPV function.
XNPV (rate, values, dates)
A series of cash flows that corresponds to a schedule of payments in dates.
See... | [
{
"code": null,
"e": 2067,
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"text": "The XNPV function returns the net present value for a schedule of cash flows that is not necessarily periodic. To calculate the net present value for a series of cash flows that is periodic, use the NPV function."
},
{
"code": null,
"e": 209... |
multiset erase() in C++ STL - GeeksforGeeks | 06 Jan, 2020
Prerequisite : multiset
The multiset::erase() is the STL function in C++ removes the specified element from multiset.
There are three versions of this method. These are:
Syntax:void erase (iterator position_of_iterator);
Parameters: This method accepts following parameters:position_of_iterator: It refers t... | [
{
"code": null,
"e": 24664,
"s": 24636,
"text": "\n06 Jan, 2020"
},
{
"code": null,
"e": 24688,
"s": 24664,
"text": "Prerequisite : multiset"
},
{
"code": null,
"e": 24782,
"s": 24688,
"text": "The multiset::erase() is the STL function in C++ removes the speci... |
Customer Satisfaction Prediction Using Machine Learning | by Paritosh Mahto | Towards Data Science | Predicting Customer Satisfaction for the purchase made from the Brazilian e-commerce site Olist.
This Article Includes:1.Introduction2.Business Problem3.Problem Statement4.Bussiness objectives and constraints5.Machine Learning Formulation i Data Overview ii.Data Description iii.Machine Learning Problem iv.Perfor... | [
{
"code": null,
"e": 269,
"s": 172,
"text": "Predicting Customer Satisfaction for the purchase made from the Brazilian e-commerce site Olist."
},
{
"code": null,
"e": 872,
"s": 269,
"text": "This Article Includes:1.Introduction2.Business Problem3.Problem Statement4.Bussiness obje... |
How to maximize and minimize browsers in Selenium with python? | We can maximize and minimize the browser while we are testing an application in Selenium.
For maximizing the browser, maximize() method is to be used.
For minimizing the browser, minimize() method is to be used.
Both these methods can be used simultaneously in the same program.
Code Implementation
from selenium import ... | [
{
"code": null,
"e": 1152,
"s": 1062,
"text": "We can maximize and minimize the browser while we are testing an application in Selenium."
},
{
"code": null,
"e": 1213,
"s": 1152,
"text": "For maximizing the browser, maximize() method is to be used."
},
{
"code": null,
... |
Assign multiple variables with a Python list values | Depending on the need of the program we may an requirement of assigning the values in a list to many variables at once. So that they can be further used for calculations in the rest of the part of the program. In this article we will explore various approaches to achieve this.
The for loop can help us iterate through t... | [
{
"code": null,
"e": 1340,
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"text": "Depending on the need of the program we may an requirement of assigning the values in a list to many variables at once. So that they can be further used for calculations in the rest of the part of the program. In this article we will explore various app... |
Print all permutation of a string using ArrayList in Java | In this problem, we are given a string of size n and we have to print all permutations of the string. But this time we have to print this permutation using ArrayList.
Let’s take an example to understand the problem -
Input − string = ‘XYZ’
Output − XYZ, XZY, YXZ, YZX, ZXY, ZYX
To solve this problem, we will be generati... | [
{
"code": null,
"e": 1229,
"s": 1062,
"text": "In this problem, we are given a string of size n and we have to print all permutations of the string. But this time we have to print this permutation using ArrayList."
},
{
"code": null,
"e": 1279,
"s": 1229,
"text": "Let’s take an e... |
SymPy - Entities | The geometry module in SymPy allows creation of two dimensional entities such as line, circle, etc. We can then obtain information about them such as checking colinearity or finding intersection.
Point class represents a point in Euclidean space. Following example checks for collinearity of points −
>>> from sympy.geom... | [
{
"code": null,
"e": 2215,
"s": 2019,
"text": "The geometry module in SymPy allows creation of two dimensional entities such as line, circle, etc. We can then obtain information about them such as checking colinearity or finding intersection."
},
{
"code": null,
"e": 2320,
"s": 2215,... |
What is ({$natural: 1}) in MongoDB? | The ({$natural − 1}) works like LIFO(LAST IN FIRST OUT), that means last inserted document will be shown first.
Let us create a collection with documents −
> db.demo614.insertOne({"CountryName":"US"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5e988cddf6b89257f5584d8e")
}
> db.demo614.insertOne({"CountryN... | [
{
"code": null,
"e": 1174,
"s": 1062,
"text": "The ({$natural − 1}) works like LIFO(LAST IN FIRST OUT), that means last inserted document will be shown first."
},
{
"code": null,
"e": 1218,
"s": 1174,
"text": "Let us create a collection with documents −"
},
{
"code": null... |
Gson - First Application | Before going into the details of the Google Gson library, let's see an application in action. In this example, we've created a Student class. We'll create a JSON string with student details and deserialize it to student object and then serialize it to an JSON String.
Create a Java class file named GsonTester in C:\>GSO... | [
{
"code": null,
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"text": "Before going into the details of the Google Gson library, let's see an application in action. In this example, we've created a Student class. We'll create a JSON string with student details and deserialize it to student object and then serialize it to a... |
How to create a popup chat window with CSS and JavaScript? | To create popup chat window with CSS and JavaScript, the code is as follows −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
* {
box-sizing: border-box;
... | [
{
"code": null,
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"s": 1062,
"text": "To create popup chat window with CSS and JavaScript, the code is as follows −"
},
{
"code": null,
"e": 1151,
"s": 1140,
"text": " Live Demo"
},
{
"code": null,
"e": 3497,
"s": 1151,
"text": "<!DOCTYPE html>\n<html... |
How to set python environment variable PYTHONPATH on Windows? | To set the PYTHONPATH on windows to point Python to look in other directories for module and package imports, go to:
My Computer > Properties > Advanced System Settings > Environment Variables
Then under system variables edit the PythonPath variable. At the end of the current PYTHONPATH, add a semicolon and then the di... | [
{
"code": null,
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"text": "To set the PYTHONPATH on windows to point Python to look in other directories for module and package imports, go to:"
},
{
"code": null,
"e": 1255,
"s": 1179,
"text": "My Computer > Properties > Advanced System Settings > Environment... |
round() in C++. | The round() function in C++ is used to round off the double, float or long double value passed to it as a parameter to the nearest integral value. The header file used to use the
round() function in a c++ program is <cmath> or <tgmath>.
Following are the overloaded versions of round() after C++ 11 standard
double round... | [
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},
{
"... |
A Practical Introduction to Grid Search, Random Search, and Bayes Search | by B. Chen | Towards Data Science | In Machine Learning, hyperparameters refer to the parameters that cannot be learned from data and need to be provided before training. The performance of machine learning models relies heavily on finding the optimal set of hyperparameters.
Hyperparameter tuning basically refers to tweaking the hyperparameters of the mo... | [
{
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"s": 171,
"text": "In Machine Learning, hyperparameters refer to the parameters that cannot be learned from data and need to be provided before training. The performance of machine learning models relies heavily on finding the optimal set of hyperparameters."
},
{
"... |
A Data Scientist's Dream: Python, Big Data, Multi-Processing, and PyCaret | by Fahad Akbar | Towards Data Science | Let me put it simply: the ability to tackle large data has become an absolute need if you are in data analytics or the data science domain. In this article, we will learn to design a solution that you can simply create using your laptop/desktop. No fancy cloud solution is needed!
Today, we will learn the following:
1️⃣... | [
{
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"text": "Let me put it simply: the ability to tackle large data has become an absolute need if you are in data analytics or the data science domain. In this article, we will learn to design a solution that you can simply create using your laptop/desktop. No fancy ... |
Sort the array of strings according to alphabetical order defined by another string in C++ | Suppose we have an array of strings, and another string is there for the reference. We have to take the reference string and using the order of the characters in the reference string we will sort the string array. Here we are considering the strings in the array, and the reference string is in lower case letters.
Suppo... | [
{
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"text": "Suppose we have an array of strings, and another string is there for the reference. We have to take the reference string and using the order of the characters in the reference string we will sort the string array. Here we are considering the strings in ... |
PLSQL | INSTR Function - GeeksforGeeks | 20 Sep, 2019
The PLSQL INSTR function is used for returning the location of a substring in a string.The PLSQL INSTR function searches a string for a substring specified by the user using characters and returns the position in the string that is the first character of a specified occurrence of the substring.The PLSQL IN... | [
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"text": "The PLSQL INSTR function is used for returning the location of a substring in a string.The PLSQL INSTR function searches a string for a substring specified by the ... |
9 Reasons Why You Should Start Using Python Dataclasses | by Ahmed Besbes | Towards Data Science | Starting from version 3.7, Python has introduced dataclasses (see PEP 557), a new feature that defines classes that contain and encapsulate data.
I recently started using this module in a couple of data science projects and I’m really enjoying it. Off the top of my head, I can think of two reasons:
Less boilerplate cod... | [
{
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"text": "Starting from version 3.7, Python has introduced dataclasses (see PEP 557), a new feature that defines classes that contain and encapsulate data."
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"text": "I recently started using this module in ... |
numpy string operations | rjust() function - GeeksforGeeks | 05 Feb, 2019
numpy.core.defchararray.rjust(arr, width, fillchar=' ') is another function for doing string operations in numpy. It returns an array with the elements of arr right-justified in a string of length width.It fills remaining space of each array element using fillchr parameter.If fillchr is not passed then it ... | [
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"text": "numpy.core.defchararray.rjust(arr, width, fillchar=' ') is another function for doing string operations in numpy. It returns an array with the elements of arr righ... |
How to call a function after a delay in Kotlin? | Kotlin is based on Java, hence we can use Java-based library functions to delay a function call. In this article, we will be using a Java library function to delay the function call using Timer() and schedule().
import java.util.Timer
import kotlin.concurrent.schedule
fun main(args: Array<String>) {
// Execution s... | [
{
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"text": "Kotlin is based on Java, hence we can use Java-based library functions to delay a function call. In this article, we will be using a Java library function to delay the function call using Timer() and schedule()."
},
{
"code": null,
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Java Image Translation example using OpenCV. | The warpAffine() method of the Imgproc class applies an affine transformation to the specified image. This method accepts −
Three Mat objects representing the source, destination, and transformation
matrices.
Three Mat objects representing the source, destination, and transformation
matrices.
An integer value represent... | [
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"text": "The warpAffine() method of the Imgproc class applies an affine transformation to the specified image. This method accepts −"
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"text": "Three Mat objects representing the source, destination, an... |
Python – Group and calculate the sum of column values of a Pandas DataFrame | We will consider an example of Car Sale Records and group month-wise to calculate the sum of Registration Price of car monthly. To sum, we use the sum() method.
At first, let’s say the following is our Pandas DataFrame with three columns −
dataFrame = pd.DataFrame(
{
"Car": ["Audi", "Lexus", "Tesla", "Mercedes... | [
{
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"text": "We will consider an example of Car Sale Records and group month-wise to calculate the sum of Registration Price of car monthly. To sum, we use the sum() method."
},
{
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"text": "At first, let’s say t... |
WebAssembly - Program Structure | WebAssembly, also called WASM, is binary format low level code developed to be executed inside browsers in the most efficient way. WebAssembly code is structured with following concepts −
Values
Types
Instructions
Let us learn them in detail now.
Values in WebAssembly are meant to store complex data such as text, strin... | [
{
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"text": "WebAssembly, also called WASM, is binary format low level code developed to be executed inside browsers in the most efficient way. WebAssembly code is structured with following concepts −"
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{
"code": null,
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CTR Full Form - GeeksforGeeks | 29 Dec, 2020
CTR stands for click-through rate. It is a metric that measures the number of clicks advertisers receive on their ads per number of impressions. A ratio showing how often people who see your ad end up clicking it. Clickthrough rate (CTR) can be used to gauge how well your keywords and ads are performing.
F... | [
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"code": null,
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"text": "CTR stands for click-through rate. It is a metric that measures the number of clicks advertisers receive on their ads per number of impressions. A ratio showing ho... |
Input/Output from external file in C/C++, Java and Python for Competitive Programming | In this article, we will learn about Input/Output from an external files in C/C++, Java, and Python for Competitive Programming.
In python, the sys module is used to take input from a file and write output to the file. Let’s look at the implementation in the form of code.
import sys
# For getting input
sys.stdin = open... | [
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"text": "In this article, we will learn about Input/Output from an external files in C/C++, Java, and Python for Competitive Programming."
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"text": "In python, the sys module is used to take input from ... |
Speech Recognition in Python using Google Speech API | The speech recognition is one of the most useful features in several applications like home automation, AI etc. In this section we will see how the speech recognition can be done using Python and Google’s Speech API.
In this case we will give an audio using microphone for speech recognizing. To configure the microphone... | [
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"text": "The speech recognition is one of the most useful features in several applications like home automation, AI etc. In this section we will see how the speech recognition can be done using Python and Google’s Speech API."
},
{
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How to create a process in Linux? | A program loaded into memory and executing is called a process. In simple, a process is a program in execution.
A new process can be created by the fork() system call. The new process consists of a copy of the address space of the original process. fork() creates new process from existing process. Existing process is c... | [
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"text": "A program loaded into memory and executing is called a process. In simple, a process is a program in execution."
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"text": "A new process can be created by the fork() system call. The new proces... |
JSP - Database Access | In this chapter, we will discuss how to access database with JSP. We assume you have good understanding on how JDBC application works. Before starting with database access through a JSP, make sure you have proper JDBC environment setup along with a database.
For more detail on how to access database using JDBC and its ... | [
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"text": "In this chapter, we will discuss how to access database with JSP. We assume you have good understanding on how JDBC application works. Before starting with database access through a JSP, make sure you have proper JDBC environment setup along with a data... |
Django - Environment | Django development environment consists of installing and setting up Python, Django, and a Database System. Since Django deals with web application, it's worth mentioning that you would need a web server setup as well.
Django is written in 100% pure Python code, so you'll need to install Python on your system. Latest D... | [
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"text": "Django development environment consists of installing and setting up Python, Django, and a Database System. Since Django deals with web application, it's worth mentioning that you would need a web server setup as well."
},
{
"code": null,
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jsoup - Loading from File | Following example will showcase fetching an HTML from the disk using a file and then find its data.
String url = "http://www.google.com";
Document document = Jsoup.connect(url).get();
Where
document − document object represents the HTML DOM.
document − document object represents the HTML DOM.
Jsoup − main class to con... | [
{
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"text": "Following example will showcase fetching an HTML from the disk using a file and then find its data."
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"text": "String url = \"http://www.google.com\";\nDocument document = Jsoup.connect(url).ge... |
TimSort - GeeksforGeeks | 26 Jun, 2021
TimSort is a sorting algorithm based on Insertion Sort and Merge Sort.
A stable sorting algorithm works in O(n Log n) timeUsed in Java’s Arrays.sort() as well as Python’s sorted() and sort().First sort small pieces using Insertion Sort, then merges the pieces using merge of merge sort.
A stable sorting alg... | [
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"text": "TimSort is a sorting algorithm based on Insertion Sort and Merge Sort."
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"text": "A stable sorting al... |
Largest integer that can be placed at center of given square Matrix to maximise arithmetic progressions - GeeksforGeeks | 25 Jan, 2022
Given a N x N matrix, such that the element at the index [N/2, N/2] is missing, the task is to find the maximum integer that can be placed at index [N/2, N/2] such that the count of arithmetic progressions over all rows, columns, and diagonals is maximized.
Example:
Input: mat[][]={{3, 4, 11}, {10, ?, 9}, ... | [
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"text": "Given a N x N matrix, such that the element at the index [N/2, N/2] is missing, the task is to find the maximum integer that can be placed at index [N/2, N/2] such... |
How to create circular ProgressBar in Android? | This example demonstrate about How to create circular ProgressBar 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/drawable/circular_progress_bar.xml.
<? xml version= "1.0" encoding= "utf-8... | [
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},
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"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details ... |
Analyzing the Titanic with a Business Analyst mindset using R (ggplot2) | by Etoma Egot | Towards Data Science | Lately, i have been fascinated with R programming software and the fantastic data visualization package (ggplot2) created by Hadley Wickham. I am a Business analyst by profession with lots of experience in the e-payments industry but i have found passion with data analysis, visualizing and communicating data to stakeho... | [
{
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"text": "Lately, i have been fascinated with R programming software and the fantastic data visualization package (ggplot2) created by Hadley Wickham. I am a Business analyst by profession with lots of experience in the e-payments industry but i have found passion ... |
StringBuffer insert() in Java | 06 Dec, 2018
The StringBuffer.insert() method inserts the string representation of given data type at given position in a StringBuffer.
Syntax:
str.insert(int position, char x);
str.insert(int position, boolean x);
str.insert(int position, char[] x);
str.insert(int position, float x);
str.insert(int position, d... | [
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"text": "The StringBuffer.insert() method inserts the string representation of given data type at given position in a StringBuffer."
},
{
"code": null,
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Python – Smallest Length String | 31 Dec, 2019
Sometimes, while working with a lot of data, we can have a problem in which we need to extract the minimum of all the strings in list. This kind of problem can have application in many domains. Let’s discuss certain ways in which this task can be performed.
Method #1 : Using loopThis is the brute method in... | [
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"text": "Sometimes, while working with a lot of data, we can have a problem in which we need to extract the minimum of all the strings in list. This kind of problem can have applicatio... |
PL/SQL Introduction | 03 Apr, 2018
PL/SQL is a block structured language that enables developers to combine the power of SQL with procedural statements.All the statements of a block are passed to oracle engine all at once which increases processing speed and decreases the traffic.
Disadvantages of SQL:
SQL doesn’t provide the programmers wi... | [
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"text": "PL/SQL is a block structured language that enables developers to combine the power of SQL with procedural statements.All the statements of a block are passed to oracle engine... |
Flexbox utilities in bootstrap with examples | 28 Apr, 2022
The Flexible Box Layout Module in bootstrap is used for designing the flexible and responsive layout structure. It is used in Bootstrap 4.
The d-flex class is used to create a simple flexbox container
Syntax:
<div class="d-flex p-2"></div>
The d-inline-flex class is used to create an inline flexbox contai... | [
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"text": "The Flexible Box Layout Module in bootstrap is used for designing the flexible and responsive layout structure. It is used in Bootstrap 4."
},
{
"code": null,
"e":... |
Flexbox-Layout in Android | 10 Aug, 2021
Before playing, let’s learn about what FlexBox actually is.
Hey, do you know the front-end also? If yes, then you should know what actually flexbox is in CSS. To learn more about CSS Flexible Box Layout Module click here. And if not, then don’t worry; here is the explanation:
Here the word “Flex” stands ... | [
{
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"code": null,
"e": 115,
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"text": "Before playing, let’s learn about what FlexBox actually is. "
},
{
"code": null,
"e": 333,
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"text": "Hey, do you know the front-end also? If yes,... |
How to disable a button depending on a checkbox’s state in AngularJS ? | 27 Jul, 2021
In this article, we will learn to disable the button depending upon the check-box status in Angular. We will use the Angular JS directive named ng-disabled to disable the button by unchecking the box. Please refer to AngularJS ng-disabled Directive.
The ng-disabled directive is used to enable or disable th... | [
{
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"text": "\n27 Jul, 2021"
},
{
"code": null,
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"text": "In this article, we will learn to disable the button depending upon the check-box status in Angular. We will use the Angular JS directive named ng-disabled to disable the butt... |
Kotlin Class and Objects | 01 May, 2022
Kotlin supports both functional and object-oriented programming. In previous articles, we have learned about functions, higher-order functions, and lambdas which represent Kotlin as a functional language. Here, we will learn about the basic OOPs concepts which represent Kotlin as an Object-Oriented program... | [
{
"code": null,
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"s": 24,
"text": "\n01 May, 2022"
},
{
"code": null,
"e": 375,
"s": 52,
"text": "Kotlin supports both functional and object-oriented programming. In previous articles, we have learned about functions, higher-order functions, and lambdas which represent Ko... |
Software Testing | Fuzz Testing | 16 May, 2019
Fuzz Testing is a Software Testing technique which uses invalid, unexpected or random data as input and then check for exceptions such as crashes and potential memory leaks. It is a automated testing technique that is performed to describe the system testing processes involving randomized or distributed ap... | [
{
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{
"code": null,
"e": 552,
"s": 28,
"text": "Fuzz Testing is a Software Testing technique which uses invalid, unexpected or random data as input and then check for exceptions such as crashes and potential memory leaks. I... |
Python | os.listdir() method | 20 May, 2019
os.listdir() method in python is used to get the list of all files and directories in the specified directory. If we don’t specify any directory, then list of files and directories in the current working directory will be returned.
Syntax: os.listdir(path)
Parameters:path (optional) : path of the directory... | [
{
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"text": "\n20 May, 2019"
},
{
"code": null,
"e": 285,
"s": 53,
"text": "os.listdir() method in python is used to get the list of all files and directories in the specified directory. If we don’t specify any directory, then list of files and direc... |
numpy.argsort() in Python | 16 Jun, 2022
numpy.argsort() function is used to perform an indirect sort along the given axis using the algorithm specified by the kind keyword. It returns an array of indices of the same shape as arr that would sort the array.
Syntax : numpy.argsort(arr, axis=-1, kind=’quicksort’, order=None) Parameters : arr : [arr... | [
{
"code": null,
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"code": null,
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"text": "numpy.argsort() function is used to perform an indirect sort along the given axis using the algorithm specified by the kind keyword. It returns an array of indices of the sam... |
Python | Optional padding in list elements | 05 Feb, 2019
In real world problems, we sometimes require to pad the element of list according to a condition that maximum characters have reached. Padding a number with 0 if it’s length is less than required by any field is one of the basic issues that occur in web forms in Web Development. Let’s discuss certain ways ... | [
{
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"code": null,
"e": 370,
"s": 28,
"text": "In real world problems, we sometimes require to pad the element of list according to a condition that maximum characters have reached. Padding a number with 0 if it’s length i... |
Find the Number which contain the digit d | 25 May, 2022
Given two integer number n and d. The task is to find the number between 0 to n which contain the specific digit d.
Examples:
Input : n = 20
d = 5
Output : 5 15
Input : n = 50
d = 2
Output : 2 12 20 21 22 23 24 25 26 27 28 29 32 42
Approach 1: Take a loop from 0 to n and check each numbe... | [
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"text": "Given two integer number n and d. The task is to find the number between 0 to n which contain the specific digit d."
},
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... |
Introduction to TensorFlow | 04 Sep, 2018
This article is a brief introduction to TensorFlow library using Python programming language.
Introduction
TensorFlow is an open-source software library. TensorFlow was originally developed by researchers and engineers working on the Google Brain Team within Google’s Machine Intelligence research organizat... | [
{
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"text": "This article is a brief introduction to TensorFlow library using Python programming language."
},
{
"code": null,
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What is Arduino? | 13 Jul, 2021
So you might have heard about Arduino from your friends at school or on the internet, it seemed quite exciting, but you don’t know where to start, fret not as this article will let you know the basics of getting started with your shiny new Arduino.
Arduino was a project started at Interaction Design Insti... | [
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"code": null,
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"text": "So you might have heard about Arduino from your friends at school or on the internet, it seemed quite exciting, but you don’t know where to start, fret not as this article wi... |
Processing of Raw Data to Tidy Data in R - GeeksforGeeks | 23 Aug, 2018
The data that is download from web or other resources are often hard to analyze. It is often needed to do some processing or cleaning of the dataset in order to prepare it for further downstream analysis, predictive modeling and so on. This article discusses several methods in R to convert the raw dataset ... | [
{
"code": null,
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"text": "\n23 Aug, 2018"
},
{
"code": null,
"e": 26000,
"s": 25675,
"text": "The data that is download from web or other resources are often hard to analyze. It is often needed to do some processing or cleaning of the dataset in order to pr... |
Convert minutes to hours/minutes with the help of JQuery - GeeksforGeeks | 31 Dec, 2019
The task is to convert the given minutes to Hours/Minutes format with the help of JavaScript. Here, 2 approaches are discussed.Approach 1:
Get the input from user.
Use Math.floor() method to get the floor value of hours from minutes.
Use % operator to get the minutes.
Example 1: This example implements the... | [
{
"code": null,
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"text": "\n31 Dec, 2019"
},
{
"code": null,
"e": 26684,
"s": 26545,
"text": "The task is to convert the given minutes to Hours/Minutes format with the help of JavaScript. Here, 2 approaches are discussed.Approach 1:"
},
{
"code": nu... |
Number of ways to choose elements from the array such that their average is K - GeeksforGeeks | 03 Mar, 2022
Given an array arr[] of N integers and an integer K. The task is to find the number of ways to select one or more elements from the array such that the average of the selected integers is equal to the given number K.
Examples:
Input: arr[] = {7, 9, 8, 9}, K = 8 Output: 5 {8}, {7, 9}, {7, 9}, {7, 8, 9} a... | [
{
"code": null,
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"s": 26469,
"text": "\n03 Mar, 2022"
},
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"code": null,
"e": 26715,
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"text": "Given an array arr[] of N integers and an integer K. The task is to find the number of ways to select one or more elements from the array such that the average of ... |
Project | kNN | Classifying IRIS Dataset - GeeksforGeeks | 19 Jan, 2022
Introduction | kNN Algorithm
Statistical learning refers to a collection of mathematical and computation tools to understand data.In what is often called supervised learning, the goal is to estimate or predict an output based on one or more inputs.The inputs have many names, like predictors, independent va... | [
{
"code": null,
"e": 25917,
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"text": "\n19 Jan, 2022"
},
{
"code": null,
"e": 25946,
"s": 25917,
"text": "Introduction | kNN Algorithm"
},
{
"code": null,
"e": 27345,
"s": 25946,
"text": "Statistical learning refers to a collection of mathematical a... |
Lodash _.zip() Method - GeeksforGeeks | 01 Sep, 2020
The _.zip() method is used to create an array of grouped elements, the first of which contains the first elements of the given arrays, the second of which contains the second element of the given arrays, and so on.
Syntax:
_.zip([arrays])
Parameters: This method accepts a single parameter as mentioned abov... | [
{
"code": null,
"e": 25969,
"s": 25941,
"text": "\n01 Sep, 2020"
},
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"code": null,
"e": 26184,
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"text": "The _.zip() method is used to create an array of grouped elements, the first of which contains the first elements of the given arrays, the second of which contains... |
Program for volume of Pyramid - GeeksforGeeks | 17 Mar, 2021
A pyramid is a 3-dimensional geometric shape formed by connecting all the corners of a polygon to a central apex. There are many types of pyramids. Most often, they are named after the type of base they have. Let’s look at some common types of pyramids below.
Volume of a square pyramid [base of Pyramid... | [
{
"code": null,
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"text": "\n17 Mar, 2021"
},
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"code": null,
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"text": "A pyramid is a 3-dimensional geometric shape formed by connecting all the corners of a polygon to a central apex. There are many types of pyramids. Most often, the... |
How to align flexbox columns left and right using CSS ? - GeeksforGeeks | 28 Jan, 2020
The flex columns can be aligned left or right by using the align-content property in the flex container class. The align-content property changes the behavior of the flex-wrap property. It aligns flex lines. It is used to specify the alignment between the lines inside a flexible container.
For aligning col... | [
{
"code": null,
"e": 26621,
"s": 26593,
"text": "\n28 Jan, 2020"
},
{
"code": null,
"e": 26912,
"s": 26621,
"text": "The flex columns can be aligned left or right by using the align-content property in the flex container class. The align-content property changes the behavior of t... |
Maximum Length Chain of Pairs | DP-20 - GeeksforGeeks | 29 Mar, 2022
You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. A pair (c, d) can follow another pair (a, b) if b < c. Chain of pairs can be formed in this fashion. Find the longest chain which can be formed from a given set of pairs. Source: Amazon Interview | S... | [
{
"code": null,
"e": 26641,
"s": 26613,
"text": "\n29 Mar, 2022"
},
{
"code": null,
"e": 27145,
"s": 26641,
"text": "You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. A pair (c, d) can follow another pair (a, b) if b < c. ... |
C# | Add key and value into StringDictionary - GeeksforGeeks | 01 Feb, 2019
StringDictionary.Add(String, String) method is used to add an entry with the specified key and value into the StringDictionary.
Syntax:
public virtual void Add (string key, string value);
Parameters:
key: It is the key of the entry which is to be added.
value: It is the value of the entry which is to be a... | [
{
"code": null,
"e": 25547,
"s": 25519,
"text": "\n01 Feb, 2019"
},
{
"code": null,
"e": 25675,
"s": 25547,
"text": "StringDictionary.Add(String, String) method is used to add an entry with the specified key and value into the StringDictionary."
},
{
"code": null,
"e"... |
Python | Remove repeated sublists from given list - GeeksforGeeks | 06 May, 2019
Given a list of lists, write a Python program to remove all the repeated sublists (also with different order) from given list.
Examples:
Input : [[1], [1, 2], [3, 4, 5], [2, 1]]
Output : [[1], [1, 2], [3, 4, 5]]
Input : [['a'], ['x', 'y', 'z'], ['m', 'n'], ['a'], ['m', 'n']]
Output : [['a'], ['x', 'y', '... | [
{
"code": null,
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"s": 26333,
"text": "\n06 May, 2019"
},
{
"code": null,
"e": 26488,
"s": 26361,
"text": "Given a list of lists, write a Python program to remove all the repeated sublists (also with different order) from given list."
},
{
"code": null,
"e":... |
What are physical tags in HTML? - GeeksforGeeks | 22 Mar, 2021
Physical Tags are used to indicate that how specific characters are to be formatted or indicated using HTML tags. Any physical style tag may contain any item allowed in text, including conventional text, images, line breaks, etc. Although each physical tag has a defined style, you can override that style b... | [
{
"code": null,
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"s": 33001,
"text": "\n22 Mar, 2021"
},
{
"code": null,
"e": 33414,
"s": 33029,
"text": "Physical Tags are used to indicate that how specific characters are to be formatted or indicated using HTML tags. Any physical style tag may contain any item allow... |
How to convert a 2D array to a comma-separated values (CSV) string in JavaScript ? - GeeksforGeeks | 26 Apr, 2021
Given a 2D array, we have to convert it to a comma-separated values (CSV) string using JS.
Input:
[ [ "a" , "b"] , [ "c" ,"d" ] ]
Output:
"a,b
c,d"
Input:
[ [ "1", "2"]
["3", "4"]
["5", "6"] ]
Output:
"1,2
3,4
5,6"
To achieve this, we must know some array prototype functions which will be helpful in this... | [
{
"code": null,
"e": 39215,
"s": 39187,
"text": "\n26 Apr, 2021"
},
{
"code": null,
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"text": "Given a 2D array, we have to convert it to a comma-separated values (CSV) string using JS."
},
{
"code": null,
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"s": 39306,
"text": ... |
PHP | Sessions - GeeksforGeeks | 12 Feb, 2019
What is a session?
In general, session refers to a frame of communication between two medium. A PHP session is used to store data on a server rather than the computer of the user. Session identifiers or SID is a unique number which is used to identify every user in a session based environment. The SID is u... | [
{
"code": null,
"e": 42165,
"s": 42137,
"text": "\n12 Feb, 2019"
},
{
"code": null,
"e": 42184,
"s": 42165,
"text": "What is a session?"
},
{
"code": null,
"e": 42552,
"s": 42184,
"text": "In general, session refers to a frame of communication between two medi... |
Sum of all integers in given N ranges - GeeksforGeeks | 17 Dec, 2021
Given N ranges of the form [L, R], the task is to find the sum of all integers that lie in any of the given ranges.
Examples:
Input: arr[] = {{1, 5}, {3, 7}}, N = 2Output: 28Explanation: The set of integers that exist in one or more ranges is {1, 2, 3, 4, 5 , 6, 7}. Hence there sum is 28.
Input: ranges[] =... | [
{
"code": null,
"e": 26537,
"s": 26509,
"text": "\n17 Dec, 2021"
},
{
"code": null,
"e": 26653,
"s": 26537,
"text": "Given N ranges of the form [L, R], the task is to find the sum of all integers that lie in any of the given ranges."
},
{
"code": null,
"e": 26663,
... |
Python - Custom Split Comma Separated Words - GeeksforGeeks | 20 Aug, 2020
While working with Python, we can have problem in which we need to perform the task of splitting the words of string on spaces. But sometimes, we can have comma separated words, which have comma’s joined to words and require to split them separately. Lets discuss certain ways in which this task can be perf... | [
{
"code": null,
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"s": 24264,
"text": "\n20 Aug, 2020"
},
{
"code": null,
"e": 24812,
"s": 24292,
"text": "While working with Python, we can have problem in which we need to perform the task of splitting the words of string on spaces. But sometimes, we can have comma se... |
Apache Kafka: Docker Container and examples in Python | Towards Data Science | Apache Kafka is a stream-processing software platform originally developed by LinkedIn, open sourced in early 2011 and currently developed by the Apache Software Foundation. It is written in Scala and Java.
Kafka is a distributed system that consists of servers and clients.
Some servers are called brokers and they form... | [
{
"code": null,
"e": 254,
"s": 47,
"text": "Apache Kafka is a stream-processing software platform originally developed by LinkedIn, open sourced in early 2011 and currently developed by the Apache Software Foundation. It is written in Scala and Java."
},
{
"code": null,
"e": 322,
"s"... |
Get the first occurrence of a substring within a string in Arduino | The indexOf() function within Arduino scans a string from the beginning, and returns the first index of the specified substring within the string. The syntax is −
Syntax
myString.indexOf(substr)
where substr is the substring to search for. It can be of type character or string.
Optionally, you can provide a different s... | [
{
"code": null,
"e": 1225,
"s": 1062,
"text": "The indexOf() function within Arduino scans a string from the beginning, and returns the first index of the specified substring within the string. The syntax is −"
},
{
"code": null,
"e": 1232,
"s": 1225,
"text": "Syntax"
},
{
... |
A/B Testing Design & Execution. How to conduct A/B tests... | by Barış Karaman | Towards Data Science | This series of articles was designed to explain how to use Python in a simplistic way to fuel your company’s growth by applying the predictive approach to all your actions. It will be a combination of programming, data analysis, and machine learning.
I will cover all the topics in the following nine articles:
1- Know Y... | [
{
"code": null,
"e": 423,
"s": 172,
"text": "This series of articles was designed to explain how to use Python in a simplistic way to fuel your company’s growth by applying the predictive approach to all your actions. It will be a combination of programming, data analysis, and machine learning."
}... |
Bokeh - Filtering Data | Often, you may want to obtain a plot pertaining to a part of data that satisfies certain conditions instead of the entire dataset. Object of the CDSView class defined in bokeh.models module returns a subset of ColumnDatasource under consideration by applying one or more filters over it.
IndexFilter is the simplest type... | [
{
"code": null,
"e": 2558,
"s": 2270,
"text": "Often, you may want to obtain a plot pertaining to a part of data that satisfies certain conditions instead of the entire dataset. Object of the CDSView class defined in bokeh.models module returns a subset of ColumnDatasource under consideration by app... |
Cassini’s Identity - GeeksforGeeks | 24 Mar, 2021
Given a number N, the task is to evaluate below expression. Expected time complexity is O(1).
f(n-1)*f(n+1) - f(n)*f(n)
Where f(n) is the n-th Fibonacci number with n >= 1. First few Fibonacci numbers are 0, 1, 1, 2, 3, 5, 8, 13, ...........i.e. (considering 0 as 0th Fibonacci number)
Examples :
Input : n... | [
{
"code": null,
"e": 24718,
"s": 24690,
"text": "\n24 Mar, 2021"
},
{
"code": null,
"e": 24812,
"s": 24718,
"text": "Given a number N, the task is to evaluate below expression. Expected time complexity is O(1)."
},
{
"code": null,
"e": 24839,
"s": 24812,
"text... |
How to make your Pandas operation 100x faster | by Yifei Huang | Towards Data Science | Pandas is a great tool for exploring and working with data. As such, it is deliberately optimized for versatility and ease of use, instead of performance. There are often many different ways to do the exact same operation, some of which are far more performant than others. This is not a problem if your data is relative... | [
{
"code": null,
"e": 765,
"s": 172,
"text": "Pandas is a great tool for exploring and working with data. As such, it is deliberately optimized for versatility and ease of use, instead of performance. There are often many different ways to do the exact same operation, some of which are far more perfo... |
Latent Space of Convolutional Neural Nets | Towards Data Science | A fascinating thing about Neural networks, especially Convolutional Neural Networks is that in the final layers of the network where the layers are fully connected, each layer can be treated as a vector space. All the useful and required information that has been extracted from the image by the ConvNet has been stored ... | [
{
"code": null,
"e": 715,
"s": 171,
"text": "A fascinating thing about Neural networks, especially Convolutional Neural Networks is that in the final layers of the network where the layers are fully connected, each layer can be treated as a vector space. All the useful and required information that ... |
Convert decimal to binary number in Python program | In this article, we will learn about the solution to the problem statement given below.
Problem statement − We are given a decimal number, we need to convert it into its binary equivalent.
There are two approaches to solve the given problem. Let’s see them one by one−
Live Demo
def DecimalToBinary(num):
if num > 1:... | [
{
"code": null,
"e": 1150,
"s": 1062,
"text": "In this article, we will learn about the solution to the problem statement given below."
},
{
"code": null,
"e": 1251,
"s": 1150,
"text": "Problem statement − We are given a decimal number, we need to convert it into its binary equiv... |
Raspberry Pi and OpenVino. With the Intel Compute Stick | by David Moore | Towards Data Science | If you have been reading my column here on Towards Data Science, you will know that I am on a mission. I wanted to count the number of cars passing my house using Computer Vision and Motion Detection. This article provides a small update on Computer Vision using the Intel Neural Compute Stick and the OpenVino library.
... | [
{
"code": null,
"e": 492,
"s": 172,
"text": "If you have been reading my column here on Towards Data Science, you will know that I am on a mission. I wanted to count the number of cars passing my house using Computer Vision and Motion Detection. This article provides a small update on Computer Visio... |
fmt.Sscanf() Function in Golang With Examples - GeeksforGeeks | 05 May, 2020
In Go language, fmt package implements formatted I/O with functions analogous to C’s printf() and scanf() function. The fmt.Sscanf() function in Go language scans the specified string and stores the successive space-separated values into successive arguments as determined by the format. Moreover, this func... | [
{
"code": null,
"e": 25787,
"s": 25759,
"text": "\n05 May, 2020"
},
{
"code": null,
"e": 26209,
"s": 25787,
"text": "In Go language, fmt package implements formatted I/O with functions analogous to C’s printf() and scanf() function. The fmt.Sscanf() function in Go language scans ... |
C# | Get or set the value associated with specified key in SortedList - GeeksforGeeks | 01 Feb, 2019
SortedList.Item[Object] Property is used to get and set the value associated with a specific key in a SortedList object.
Syntax:
public virtual object this[object key] { get; set; }
Here, the key is associated with the value to get or set. It is of the object type.
Return Value: This property returns the v... | [
{
"code": null,
"e": 26173,
"s": 26145,
"text": "\n01 Feb, 2019"
},
{
"code": null,
"e": 26294,
"s": 26173,
"text": "SortedList.Item[Object] Property is used to get and set the value associated with a specific key in a SortedList object."
},
{
"code": null,
"e": 26302... |
What is the return type of a “count” query against MySQL using Java JDBC? | The return type of count is long. The Java statement is as follows
rs.next();
long result= rs.getLong("anyAliasName");
First, create a table with some records in our sample database test3. The query to create a table is as follows
mysql> create table CountDemo
-> (
-> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,
... | [
{
"code": null,
"e": 1129,
"s": 1062,
"text": "The return type of count is long. The Java statement is as follows"
},
{
"code": null,
"e": 1181,
"s": 1129,
"text": "rs.next();\nlong result= rs.getLong(\"anyAliasName\");"
},
{
"code": null,
"e": 1293,
"s": 1181,
... |
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