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Articles by Way2Class
Page 5 of 17
Private Bytes, Virtual Bytes, Working Set
Memory management is a critical aspect of computer systems that directly impacts their performance and stability. Understanding key memory metrics such as private bytes, virtual bytes, and working set is essential for system administrators and developers to effectively monitor and optimize memory usage across processes and applications. These three memory metrics provide valuable insights into how applications consume memory resources. Each metric represents a different perspective on memory utilization, helping administrators identify memory-intensive processes, detect memory leaks, and optimize system performance. Memory Metrics Relationship Private Bytes ...
Read MoreProcess-Based and Thread-Based Multitasking
Multitasking is a fundamental capability of modern operating systems that enables computers to execute multiple tasks concurrently. Two primary approaches to multitasking exist: process-based multitasking and thread-based multitasking. Each approach offers distinct advantages and trade-offs in terms of resource utilization, performance, and system design. Process-Based Multitasking Definition and Purpose Process-based multitasking involves the execution of multiple processes concurrently. Each process operates independently and possesses its own memory space, system resources, and execution context. The operating system allocates CPU time to each process, enabling them to progress simultaneously and giving the illusion of parallel execution. Key Features ...
Read MoreProcess Scheduler: PCBs and Queueing
In operating systems, process scheduling plays a vital role in achieving efficient task execution. A key aspect of process scheduling is the management of Process Control Blocks (PCBs) and the utilization of various queueing techniques. This article explores the significance of PCBs and queueing in the process scheduler, highlighting their role in optimizing system performance. Process Control Blocks (PCBs) Definition and Purpose A Process Control Block (PCB) is a data structure that stores essential information about each process in the system. Each process has a corresponding PCB that holds crucial details related to its execution, resource requirements, ...
Read MoreHow to Move Image in HTML?
Moving images in HTML can be achieved through various methods, from traditional HTML tags to modern CSS properties and JavaScript. An image is added to a web page using the HTML tag, which is a self-closing element that simply includes attributes. While the HTML tag was previously used to create scrolling images, it is now deprecated in HTML5. Modern web development favors CSS properties and JavaScript for more precise control over image positioning and movement. Syntax The basic syntax for adding an image in HTML is − To move images, ...
Read MoreProducer-Consumer Problem in C
The producer-consumer problem is a classic synchronization challenge in concurrent programming where multiple threads share a common buffer. Producers generate data and place it into the buffer, while consumers remove and process data from the buffer. The main challenge is coordinating these operations to prevent race conditions and ensure data integrity. Syntax /* Basic structure for producer-consumer implementation */ pthread_t producer_thread, consumer_thread; pthread_mutex_t mutex; pthread_cond_t condition_variable; void* producer(void* arg); void* consumer(void* arg); Problem Statement The producer-consumer problem involves two types of processes − Producer − Generates data and puts it into ...
Read MoreJava program to sort a HashMap by Keys and Values
In this article, we will learn the procedures for sorting a HashMap in Java by its keys and values, as well as examine the performance implications associated with each technique. HashMap, a frequently employed data structure, enables programmers to store key-value pairs. This data structure is an exceedingly efficient method for storing data and allows for swift value retrieval based on keys. However, on occasion, it may become necessary to arrange the HashMap by its keys or values. Different Approaches of Sorting the HashMap Following are the different approaches to sorting a HashMap by Keys and Values − ...
Read MoreJava Tricky Output Questions
Java Tricky Output Questions that are difficult to answer call for more work to be put into them. We will fall short if we attempt to respond to a challenging topic using common sense since such questions need specialized understanding. The majority of challenging java problems are based on perplexing ideas like loops, multi-threading, overloading, overriding, etc. Even when a question isn’t particularly challenging, we occasionally have trouble solving it. Despite the fact that the answer to the question is straightforward, we occasionally write code carelessly. Even if we don’t know the solution, we can still use analytical thinking ...
Read MorePrint Binary Equivalent of an Integer using Recursion in Java
Recursion, a potent programming technique, entails the resolution of a problem by decomposing it into smaller, more manageable sub problems and applying the same algorithm to solve them. In the realm of Java programming, recursion proves to be an invaluable tool when it comes to printing the binary representation of an integer. The binary equivalent, expressed in a base-2 numeral system that employs only two digits, 0 and 1, poses a common challenge in the field. In this article, we shall embark to unravel the intricacies of printing the binary equivalent of an integer using recursion in Java. Our ...
Read MoreZoom Scroll View in Android
Many Android applications have the zoomable scrolling feature, which enables users to pinch or stretch their fingers on the screen to zoom in and out of material like photographs or maps. Using a Zoom Scroll View, a custom view that expands the Android ScrollView and offers built-in support for zooming and scrolling, is one popular method for implementing zoomable scrolling in Android. We shall examine how to implement Zoom Scroll View on Android in this technical writing. In this tutorial, we'll go through the fundamental ideas and procedures needed to develop zoomable scrolling in your Android application using a Zoom ...
Read MoreWhy does an online Judge crash during an online Programming Contest?
We all are well aware are that now-a-days various coding platforms include competitive codings, for example GeeksforGeeks, CodeChef, Codeforces, atCoder, SPOJ, HackerRank, HackerEarth, and many more where they supposed to code out by themselves by either attaching local editor file such as a sublime editor or by directly writing on their respective editors. So how are these test cases getting accessed or in an easy way we can say that our code is getting compiled and run? On these programming platforms for competitive programming online judges act as the backbone for code compilation and run. Online Judge To judge ...
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