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Multi Threading Models in Process Management - GeeksforGeeks	31 May, 2021 Multi threading-It is a process of multiple threads executes at same time. Many operating systems support kernel thread and user thread in a combined way. Example of such system is Solaris. Multi threading model are of three types. Many to many model. Many to one model. one to one model. Many to Many Mod...	[ { "code": null, "e": 24508, "s": 24480, "text": "\n31 May, 2021" }, { "code": null, "e": 24583, "s": 24508, "text": "Multi threading-It is a process of multiple threads executes at same time." }, { "code": null, "e": 24742, "s": 24583, "text": "Many operating ...
How to Solve java.lang.ClassNotFoundException in Java? - GeeksforGeeks	30 Sep, 2021 ClassNotFoundException is a checked exception and occurs when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. In older days, there are no editors like Eclipse are available. Even in Notepad, people have done java coding and by using ...	[ { "code": null, "e": 25347, "s": 25319, "text": "\n30 Sep, 2021" }, { "code": null, "e": 25531, "s": 25347, "text": "ClassNotFoundException is a checked exception and occurs when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be fou...
Scala Set intersect() method with example - GeeksforGeeks	18 Oct, 2019 The intersect() method is utilized to compute the intersection between two sets. Method Definition: def intersect(that: Set[A]): Set[A] Return Type: It returns a set containing the elements present in both the sets. Example #1: // Scala program of intersect() // method // Creating object object GfG { ...	[ { "code": null, "e": 24047, "s": 24019, "text": "\n18 Oct, 2019" }, { "code": null, "e": 24128, "s": 24047, "text": "The intersect() method is utilized to compute the intersection between two sets." }, { "code": null, "e": 24183, "s": 24128, "text": "Method De...
Program to find the kth character after decrypting a string - GeeksforGeeks	08 Nov, 2021 Given a string str consisting of characters and numbers and an integer k, the task is to decrypt the string and the return the kth character in the decrypted string.In order to decrypt the string, traverse the string character by character and if the current character is an alphabet then append it to the r...	[ { "code": null, "e": 24552, "s": 24524, "text": "\n08 Nov, 2021" }, { "code": null, "e": 25104, "s": 24552, "text": "Given a string str consisting of characters and numbers and an integer k, the task is to decrypt the string and the return the kth character in the decrypted strin...
C# Program For Implementing IEnumerable Interface Using LINQ - GeeksforGeeks	01 Nov, 2021 LINQ is known as Language Integrated Query and it is introduced in .NET 3.5. It gives the ability to .NET languages to generate queries to retrieve data from the data source. It removes the mismatch between programming languages and databases and the syntax used to create a query is the same no matter whic...	[ { "code": null, "e": 24222, "s": 24194, "text": "\n01 Nov, 2021" }, { "code": null, "e": 24837, "s": 24222, "text": "LINQ is known as Language Integrated Query and it is introduced in .NET 3.5. It gives the ability to .NET languages to generate queries to retrieve data from the d...
How to declare Block-Scoped Variables in JavaScript?	To declare block scoped variables, we use the keyword let and const introduced in ES2015. Following is the code showing declaring black scoped variables in JavaScript − Live Demo <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <t...	[ { "code": null, "e": 1152, "s": 1062, "text": "To declare block scoped variables, we use the keyword let and const introduced in ES2015." }, { "code": null, "e": 1231, "s": 1152, "text": "Following is the code showing declaring black scoped variables in JavaScript −" }, { ...
‘Simpsonize’ Yourself using CycleGAN and PyTorch \| by Neel Iyer \| Towards Data Science	Cyclegan is a framework that is capable of unpaired image to image translation. It’s been applied in some really interesting cases. Such as converting horses to zebras (and back again) and converting photos of the winter to photos of the summer. I thought this could be potentially applied to The Simpsons. I was inspire...	[ { "code": null, "e": 293, "s": 47, "text": "Cyclegan is a framework that is capable of unpaired image to image translation. It’s been applied in some really interesting cases. Such as converting horses to zebras (and back again) and converting photos of the winter to photos of the summer." }, { ...
Matplotlib.figure.Figure.set_frameon() in Python - GeeksforGeeks	03 May, 2020 Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, which contains all the plot elements. This module is used to control the default spacing of the subplots and top level container for all plot elemen...	[ { "code": null, "e": 24212, "s": 24184, "text": "\n03 May, 2020" }, { "code": null, "e": 24523, "s": 24212, "text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, whic...
A Peek at Data Sampling Methods \| by Kurtis Pykes \| Towards Data Science	Sampling Bias is one of the most common types of biases observed in real-world scenarios. It occurs when the data used to train a model doesn’t reflect the distribution of the samples that the model will receive whilst in production. towardsdatascience.com Generally, whenever we work on Machine Learning projects, it’s ...	[ { "code": null, "e": 406, "s": 172, "text": "Sampling Bias is one of the most common types of biases observed in real-world scenarios. It occurs when the data used to train a model doesn’t reflect the distribution of the samples that the model will receive whilst in production." }, { "code":...
PyQtGraph – Double Click Event for Bar Graph - GeeksforGeeks	30 Nov, 2021 In this article we will see how we can create a double click event with the bar graph in the PyQtGraph module. PyQtGraph is a graphics and user interface library for Python that provides functionality commonly required in designing and science applications. Its primary goals are to provide fast, interactiv...	[ { "code": null, "e": 26323, "s": 26295, "text": "\n30 Nov, 2021" }, { "code": null, "e": 27275, "s": 26323, "text": "In this article we will see how we can create a double click event with the bar graph in the PyQtGraph module. PyQtGraph is a graphics and user interface library f...
Encode Number in C++	Suppose we have a non-negative integer n, and we have to find the encoded form of it. The encoding strategy will be as follows − So if the number is 23, then result will be 1000, if the number is 54, then it will be 10111 To solve this, we will follow these steps − Create one method called bin, this will take n and k, ...	[ { "code": null, "e": 1191, "s": 1062, "text": "Suppose we have a non-negative integer n, and we have to find the encoded form of it. The encoding strategy will be as follows −" }, { "code": null, "e": 1284, "s": 1191, "text": "So if the number is 23, then result will be 1000, if ...
Predict the Column \| Practice \| GeeksforGeeks	Given a matrix(2D array) M of size N*N consisting of 0s and 1s only. The task is to find the column with maximum number of 0s. Example: Input:N = 3M[][] = {{1, 1, 0}, {1, 1, 0}, {1, 1, 0}}Output:2Explanation:2nd column (0-based indexing) is having 3 zeros which is maximum among all columns. Your Task:Your...	[ { "code": null, "e": 353, "s": 226, "text": "Given a matrix(2D array) M of size N*N consisting of 0s and 1s only. The task is to find the column with maximum number of 0s." }, { "code": null, "e": 362, "s": 353, "text": "Example:" }, { "code": null, "e": 532, "s":...
Histogram for discrete values with Matplotlib	To plot a histogram for discrete values with matplotlib, we can use hist() method. Set the figure size and adjust the padding between and around the subplots. Set the figure size and adjust the padding between and around the subplots. Make a list of discrete values. Make a list of discrete values. Use hist() method to ...	[ { "code": null, "e": 1145, "s": 1062, "text": "To plot a histogram for discrete values with matplotlib, we can use hist() method." }, { "code": null, "e": 1221, "s": 1145, "text": "Set the figure size and adjust the padding between and around the subplots." }, { "code": n...
Program to find area of a circle - GeeksforGeeks	06 Nov, 2021 The area of a circle can simply be evaluated using the following formula. Area = pi * r2 where r is radius of circle and it maybe in float because value of pie is 3.14 C++ C Java Python3 C# PHP Javascript // C++ program to find area// of circle#include <iostream>const double pi = 3.1415926535897932...	[ { "code": null, "e": 24493, "s": 24465, "text": "\n06 Nov, 2021" }, { "code": null, "e": 24568, "s": 24493, "text": "The area of a circle can simply be evaluated using the following formula. " }, { "code": null, "e": 24665, "s": 24570, "text": "Area = pi * r2\...
C++ Program to Implement The Edmonds-Karp Algorithm	This is a C++ Program to Implement the Edmonds-Karp algorithm to calculate maximum flow between source and sink vertex. Begin function edmondsKarp() : initiate flow as 0. If there is an augmenting path from source to sink, add the path to flow. Return flow. End #include<cstdio> #include<queue> #inc...	[ { "code": null, "e": 1182, "s": 1062, "text": "This is a C++ Program to Implement the Edmonds-Karp algorithm to calculate maximum flow between source and sink vertex." }, { "code": null, "e": 1345, "s": 1182, "text": "Begin\n function edmondsKarp() :\n initiate flow as 0.\...
PyQt5 - How to get visible column in the model of combo box - GeeksforGeeks	22 Apr, 2020 In this article we will see how we can get the visible column of combo box. Column model is used to set the column which will be visible to the user, model column property holds the column in the model that is visible. In order to set this we use setModelColumn method. In order to get the model column we u...	[ { "code": null, "e": 23901, "s": 23873, "text": "\n22 Apr, 2020" }, { "code": null, "e": 24231, "s": 23901, "text": "In this article we will see how we can get the visible column of combo box. Column model is used to set the column which will be visible to the user, model column ...
Power Function in C/C++	Power function is used to calculate the power of the given number. The pow function find the value of a raised to the power b i.e. ab. double pow(double a , double b) It accepts a double integers as input and output a double integer as output. It pow() function is defined in math.h package. If you pass an integer to th...	[ { "code": null, "e": 1129, "s": 1062, "text": "Power function is used to calculate the power of the given number." }, { "code": null, "e": 1197, "s": 1129, "text": "The pow function find the value of a raised to the power b i.e. ab." }, { "code": null, "e": 1229, ...
C# Program for Largest Sum Contiguous Subarray - GeeksforGeeks	29 Nov, 2021 Write an efficient program to find the sum of contiguous subarray within a one-dimensional array of numbers that has the largest sum. Kadane’s Algorithm: Initialize: max_so_far = INT_MIN max_ending_here = 0 Loop for each element of the array (a) max_ending_here = max_ending_here + a[i] (b) ...	[ { "code": null, "e": 25230, "s": 25202, "text": "\n29 Nov, 2021" }, { "code": null, "e": 25365, "s": 25230, "text": "Write an efficient program to find the sum of contiguous subarray within a one-dimensional array of numbers that has the largest sum. " }, { "code": null, ...
3 Top Python Packages to Learn Statistic for Data Scientist \| by Cornellius Yudha Wijaya \| Towards Data Science	If you enjoy my content and want to get more in-depth knowledge regarding data or just daily life as a Data Scientist, please consider subscribing to my newsletter here. Data Scientists are known for having better programming skills than a statistician and better statistic knowledge than a programmer. While learning pr...	[ { "code": null, "e": 342, "s": 172, "text": "If you enjoy my content and want to get more in-depth knowledge regarding data or just daily life as a Data Scientist, please consider subscribing to my newsletter here." }, { "code": null, "e": 589, "s": 342, "text": "Data Scientists ...
Beginner’s Guide to Sentiment Analysis for Simplified Chinese using SnowNLP \| by Ng Wai Foong \| Towards Data Science	By reading this article, you will be exposed to a technique for analyzing the sentiments of any text in Simplified Chinese. This tutorial will be based on Simplified Chinese but it can be used on Traditional Chinese as well due to the fact that SnowNLP is capable of converting Traditional Chinese to Simplified Chinese....	[ { "code": null, "e": 493, "s": 172, "text": "By reading this article, you will be exposed to a technique for analyzing the sentiments of any text in Simplified Chinese. This tutorial will be based on Simplified Chinese but it can be used on Traditional Chinese as well due to the fact that SnowNLP is...
How to Find the List of Daemon Processes and Zombie Processes in Linux	This article will guide you to understand the Zombie process and Daemons, and also help us to find the process which is running in the background. When a process ends the execution, then it will have an exit status to report to its master process. Because of that little bit of information, the process will remain in th...	[ { "code": null, "e": 1209, "s": 1062, "text": "This article will guide you to understand the Zombie process and Daemons, and also help us to find the process which is running in the background." }, { "code": null, "e": 1619, "s": 1209, "text": "When a process ends the execution, ...
Gradle - Build a Groovy Project	This chapter explains how to compile and execute a Groovy project using build.gradle file. The Groovy plug-in for Gradle extends the Java plug-in and provides tasks for Groovy programs. You can use the following line for applying groovy plugin. apply plugin: 'groovy' Copy the following code into build.gradle file. The...	[ { "code": null, "e": 1973, "s": 1882, "text": "This chapter explains how to compile and execute a Groovy project using build.gradle file." }, { "code": null, "e": 2127, "s": 1973, "text": "The Groovy plug-in for Gradle extends the Java plug-in and provides tasks for Groovy progra...
Connecting Apache Hive To Microsoft Power BI \| by Rahul Pathak \| Towards Data Science	In this story of our blog post, we are mentioning the steps we took to perform the required connection. The Hive database was based on Cloudera & the Power BI Desktop was installed on Windows. The connection can also occur with other BI tools such as Tableau & etc. As Hive can be integrated with many BI tools but the p...	[ { "code": null, "e": 587, "s": 172, "text": "In this story of our blog post, we are mentioning the steps we took to perform the required connection. The Hive database was based on Cloudera & the Power BI Desktop was installed on Windows. The connection can also occur with other BI tools such as Tabl...
PostgreSQL - Transactions - GeeksforGeeks	01 Feb, 2021 The Transaction is not a new word we are hearing. We heard that word many times like “Cash Transaction”. Banks usually deal with cash i.e sending or receiving cash, hence we coin the term as a cash transaction. So simply transaction is a unit of work. In this article, we are going to learn about transactio...	[ { "code": null, "e": 27633, "s": 27605, "text": "\n01 Feb, 2021" }, { "code": null, "e": 27981, "s": 27633, "text": "The Transaction is not a new word we are hearing. We heard that word many times like “Cash Transaction”. Banks usually deal with cash i.e sending or receiving cash...
Operating Systems \| Set 13 - GeeksforGeeks	27 Mar, 2017 Following questions have been asked in GATE CS 2007 exam. 1) A virtual memory system uses First In First Out (FIFO) page replacement policy and allocates a fixed number of frames to a process. Consider the following statements:P: Increasing the number of page frames allocated to a process sometimes increas...	[ { "code": null, "e": 23938, "s": 23910, "text": "\n27 Mar, 2017" }, { "code": null, "e": 23996, "s": 23938, "text": "Following questions have been asked in GATE CS 2007 exam." }, { "code": null, "e": 24524, "s": 23996, "text": "1) A virtual memory system uses ...
React Memo	Using memo will cause React to skip rendering a component if its props have not changed. This can improve performance. This section uses React Hooks. See the React Hooks section for more information on Hooks. In this example, the Todos component re-renders even when the todos have not changed. index.js: import { useSta...	[ { "code": null, "e": 89, "s": 0, "text": "Using memo will cause React to skip rendering a component if its props have not changed." }, { "code": null, "e": 119, "s": 89, "text": "This can improve performance." }, { "code": null, "e": 209, "s": 119, "text": "Th...
Solidity - Pure Functions	Pure functions ensure that they not read or modify the state. A function can be declared as pure. The following statements if present in the function are considered reading the state and compiler will throw warning in such cases. Reading state variables. Reading state variables. Accessing address(this).balance or <add...	[ { "code": null, "e": 2786, "s": 2555, "text": "Pure functions ensure that they not read or modify the state. A function can be declared as pure. The following statements if present in the function are considered reading the state and compiler will throw warning in such cases. " }, { "code": ...
Optimize Python Code in Jupyter Notebook \| by Winson Waisakurnia \| Towards Data Science	Want to make a slow Python code fast in Jupyter Notebook? By using sum aggregate as an example, we will measure the runtime with %%time and find the bottleneck using %lprun line profiler. Assume that Pandas doesn’t have group-by and aggregate functions and we need to implement it ourselves. We want to aggregate the tab...	[ { "code": null, "e": 360, "s": 172, "text": "Want to make a slow Python code fast in Jupyter Notebook? By using sum aggregate as an example, we will measure the runtime with %%time and find the bottleneck using %lprun line profiler." }, { "code": null, "e": 541, "s": 360, "text":...
AI for good: Banknotes detection for blind people \| by Bruno Sánchez-A Nuño \| Towards Data Science	This service recognizes what currency a banknote is (euro or usd dollar) and what denomination (5,10,20, ...). The social impact purpose is to help blind people, so I took care to make “real-life” training images holding the banknotes in my hand, sometimes folded, sometimes covering part of it. This post hopefully help...	[ { "code": null, "e": 468, "s": 172, "text": "This service recognizes what currency a banknote is (euro or usd dollar) and what denomination (5,10,20, ...). The social impact purpose is to help blind people, so I took care to make “real-life” training images holding the banknotes in my hand, sometime...
C Standard Library - Quick Guide	The assert.h header file of the C Standard Library provides a macro called assert which can be used to verify assumptions made by the program and print a diagnostic message if this assumption is false. The defined macro assert refers to another macro NDEBUG which is not a part of <assert.h>. If NDEBUG is defined as a ...	[ { "code": null, "e": 2209, "s": 2007, "text": "The assert.h header file of the C Standard Library provides a macro called assert which can be used to verify assumptions made by the program and print a diagnostic message if this assumption is false." }, { "code": null, "e": 2442, "s":...
Time Series of Price Anomaly Detection with LSTM \| by Susan Li \| Towards Data Science	Autoencoders are an unsupervised learning technique, although they are trained using supervised learning methods. The goal is to minimize reconstruction error based on a loss function, such as the mean squared error. In this post, we will try to detect anomalies in the Johnson & Johnson’s historical stock price time se...	[ { "code": null, "e": 388, "s": 171, "text": "Autoencoders are an unsupervised learning technique, although they are trained using supervised learning methods. The goal is to minimize reconstruction error based on a loss function, such as the mean squared error." }, { "code": null, "e": 5...
time.perf_counter() function in Python	23 Mar, 2022 The time module provides various time-related functions. We must import the time module before using perf_counter() so we can access the function without throwing any errors.The perf_counter() function always returns the float value of time in seconds. Return the value (in fractional seconds) of a performa...	[ { "code": null, "e": 52, "s": 24, "text": "\n23 Mar, 2022" }, { "code": null, "e": 766, "s": 52, "text": "The time module provides various time-related functions. We must import the time module before using perf_counter() so we can access the function without throwing any errors....
GATE \| GATE-CS-2001 \| Question 47	28 Jun, 2021 Consider Peterson’s algorithm for mutual exclusion between two concurrent processes i and j. The program executed by process is shown below. repeat flag [i] = true; turn = j; while ( P ) do no-op; Enter critical section, perform actions, then exit critical section ...	[ { "code": null, "e": 52, "s": 24, "text": "\n28 Jun, 2021" }, { "code": null, "e": 193, "s": 52, "text": "Consider Peterson’s algorithm for mutual exclusion between two concurrent processes i and j. The program executed by process is shown below." }, { "code": null, "...
Python \| Replace tuple according to Nth tuple element	15 Oct, 2019 Sometimes, while working with data, we might have a problem in which we need to replace the entry in which a particular entry of data is matching. This can be a matching phone no, id etc. This has it’s application in web development domain. Let’s discuss certain ways in which this task can be performed. Me...	[ { "code": null, "e": 28, "s": 0, "text": "\n15 Oct, 2019" }, { "code": null, "e": 333, "s": 28, "text": "Sometimes, while working with data, we might have a problem in which we need to replace the entry in which a particular entry of data is matching. This can be a matching phone...
Difference between <div> and <span> Tag in HTML	16 May, 2022 Both the tags (<div> and <span>) are used to represent the part of the webpage, <div> tag is used a as block part of the webpage and <span> tag is used as a inline part of the webpage like below: <div>A Computer Science Portal for Geeks <span>GeeksforGeeks</span></div> HTML <div> tag: The div tag is kno...	[ { "code": null, "e": 53, "s": 25, "text": "\n16 May, 2022" }, { "code": null, "e": 251, "s": 53, "text": "Both the tags (<div> and <span>) are used to represent the part of the webpage, <div> tag is used a as block part of the webpage and <span> tag is used as a inline part of th...
Preorder to Postorder \| Practice \| GeeksforGeeks	Given an array arr[] of N nodes representing preorder traversal of BST. The task is to print its postorder traversal. In Pre-Order traversal, the root node is visited before the left child and right child nodes. Post-order traversal is one of the multiple methods to traverse a tree. Example 1: Input: N = 5 arr[] = {40...	[ { "code": null, "e": 510, "s": 226, "text": "Given an array arr[] of N nodes representing preorder traversal of BST. The task is to print its postorder traversal.\nIn Pre-Order traversal, the root node is visited before the left child and right child nodes.\nPost-order traversal is one of the multip...
Lightweight Transactions in Cassandra	20 Nov, 2019 In this article we will discuss Lightweight Transactions(LWT) in Cassandra which is also help to improve performance. Sometimes insert or update operations must be unique which require a read-before-write. The read-before-write has performance implications – Use wisely! This type of problem solved by CQL L...	[ { "code": null, "e": 28, "s": 0, "text": "\n20 Nov, 2019" }, { "code": null, "e": 146, "s": 28, "text": "In this article we will discuss Lightweight Transactions(LWT) in Cassandra which is also help to improve performance." }, { "code": null, "e": 411, "s": 146, ...
How to make simple PUT request using fetch API by making custom HTTP library ?	18 Jul, 2020 The fetch() method is used to send the requests to the server without refreshing the page. It is an alternative to the XMLHttpRequest object. It will be taking a fake API that will contain Array as an example and from that API we will show to PUT/Update data by fetch API method by making custom HTTP lib...	[ { "code": null, "e": 28, "s": 0, "text": "\n18 Jul, 2020" }, { "code": null, "e": 420, "s": 28, "text": "The fetch() method is used to send the requests to the server without refreshing the page. It is an alternative to the XMLHttpRequest object. It will be taking a fake API that...
HTML \| alt attribute	05 Jan, 2022 The HTML alt attribute is used to provide an alternate tag that is used to show or display something if the primary attribute i.e., the <img> tag, fails to display the value assigned to it.Supported tags: area image input <applet> Attribute Values: It contains single value text which is used to specify th...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Jan, 2022" }, { "code": null, "e": 234, "s": 28, "text": "The HTML alt attribute is used to provide an alternate tag that is used to show or display something if the primary attribute i.e., the <img> tag, fails to display the value a...
Network Layer Services- Packetizing, Routing and Forwarding	22 Mar, 2022 Network layer is the third layer in the OSI model of computer networks. It’s main function is to transfer network packets from the source to the destination. It is involved both at the source host and the destination host. At the source, it accepts a packet from the transport layer, encapsulates it in a da...	[ { "code": null, "e": 54, "s": 26, "text": "\n22 Mar, 2022" }, { "code": null, "e": 594, "s": 54, "text": "Network layer is the third layer in the OSI model of computer networks. It’s main function is to transfer network packets from the source to the destination. It is involved b...