In computer programming, unreachable memory is a block of dynamically allocated memory where the program that allocated the memory no longer has any reachable pointer that refers to it. Similarly, an unreachable object is a dynamically allocated object that has no reachable reference to it. Informally, unreachable memory is dynamic memory that the program cannot reach directly, nor get to by starting at an object it can reach directly, and then following a chain of pointer references. In dynamic memory allocation implementations that employ a garbage collector, objects are reclaimed after they become unreachable. The garbage collector is able to determine if an object is reachable; any object that is determined to no longer be reachable can be deallocated. Many programming languages (for example, Java, C#, D, Dylan, Julia) use automatic garbage collection. In contrast, when memory becomes unreachable in dynamic memory allocation implementations that require explicit deallocation, the memory can no longer be explicitly deallocated. Unreachable memory in systems that use manual memory management results in a memory leak. Some garbage collectors implement weak references. If an object is reachable only through either weak references or chains of references that include a weak reference, then the object is said to be weakly reachable. The garbage collector can treat a weakly reachable object graph as unreachable and deallocate it. (Conversely, references that prevent an object from being garbage collected are called strong references; a weakly reachable object is unreachable by any chain consisting only of strong references.) Some garbage-collected object-oriented languages, such as Java and Python, feature weak references. The Java package java.lang.ref supports soft, weak and phantom references, resulting in the additional object reachability states softly reachable and phantom reachable. Unreachable memory (in languages, like C, that do not reclaim) is often associated with software aging. (Wikipedia).
What is the Differences Between a Trained and Untrained Memory
https://memorycourse.brainathlete.com/memorytips Get a free memory training gift at the link above and also get my Black Belt Memory course What makes a trained memory different from an untrained memory. In this video we discuss what makes a trained memory unique from untrained as we cove
From playlist How to Study
In this teaching video, Suzanne Stensaas, Ph.D., Professor of Neurobiology and Anatomy at the University of Utah School of Medicine, demonstrates the properties and anatomy of an unfixed brain. WARNING: The video contains graphic images, a human brain from a recent autopsy. Background nois
From playlist Medical
How I manage my ADHD (Attention deficit hyperactivity disorder) as a Memory Champion
https://memorycourse.brainathlete.com/memorytips Get my memory course at the link above and a free memory gift. Get my free memory tips here https://memorycourse.brainathlete.com/memorytips A.D.D. and not being able to focus is a killer when trying to study or learn anything. All you wan
From playlist Life Hacks
Do Transplanted Organs Carry Memories?
Hundreds of organ recipients have reported unique experiences after their transplant. | For more, visit http://science.discovery.com/tv-shows/the-unexplained-files/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel Watch full
From playlist The Unexplained Files
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From playlist Science Unplugged: Particle Physics
Warming up with Brooks - The Rust Book part 8
Live stream where I (Brooks) wake myself up in the morning with silly side projects and algorithm practice. This stream is scheduled for 7am Mountain Time every weekday. I tweet out shortly before I begin each stream, and definitely if I am going to miss a stream. Currently I am learning
From playlist Rust Book
A common symptom of mental unwellness is the desire to isolate ourselves from others. Yet far from marking us out as abnormal or repellant, our suffering is an opportunity to connect with the countless others who feel just as lost as we do. Sign up to our mailing list to receive 10% off yo
From playlist RELATIONSHIPS
Do you understand the universe?
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From playlist Science Unplugged: Big Ideas
The Neutrino Story: From Impossible dreams to unreachable stars (ONLINE) by Srubabati Goswami
Kaapi with Kuriosity The Neutrino Story: From Impossible dreams to unreachable stars (ONLINE) Speaker: Srubabati Goswami (Physical Research Laboratory, Ahmedabad) When: 4:00 pm to 5:30 pm Sunday, 23 May 2021 Where: Livestream via the ICTS YouTube channel Abstract:- Neutrinos are one o
From playlist Kaapi With Kuriosity (A Monthly Public Lecture Series)
Do photographic memories really exist? What is eidetic memory?
A photographic memory, also known as eidetic memory, is the ability to remember an image or scene in great detail after only briefly looking at it. While some people claim to have this ability, it is not well-documented in scientific literature, and there is debate among experts as to whet
From playlist Memory Champions - Memory Experts
26C3: cat /proc/sys/net/ipv4/fuckups 3/5
Clip 3/5 Speaker: Fabian Yamaguchi We will be presenting a number of previously undisclosed network-related design errors, ranging from data-link-layer bugs in Ethernet-drivers across issues in TCP/IP stacks all the way up to communication infrastructure components on layer 5. Our foc
From playlist 26C3: Here be dragons day 1
The C++20 Standard Library: Beyond Ranges
C++20 has a large number of new library features. This survey course provides students with a broad overview of the changes and new facilities in the C++20 standard library. Ranges are briefly discussed, but the focus is on the myriad of other standard library changes targeted at C++20. Th
From playlist C++
The code for the temperature converter can be found at https://github.com/BrooksPatton/fahrenheit-to-celsius-rust Live stream where I (Brooks) wake myself up in the morning with silly side projects and algorithm practice. This stream is scheduled for 7am Mountain Time every weekday. I twe
From playlist Rust Book
0433 - Rust: rewriting game front-end using Yew
This is #433 in my series of live (Twitch) coding streams. This stream I worked on finalizing the handling of the admin private key in my game's front-end client written in Rust. Notebook page: https://tinyurl.com/5v443c6p -- Watch live at https://www.twitch.tv/rhymu8354
From playlist Excalibur
9.9: Minimum Spanning Tree (Prim's Algorithm) - p5.js Tutorial
This video covers the computational geometry "minimum spanning tree" problem, and walks through the JavaScript code for a solution known as "prim's algorithm." p5.js code: https://github.com/shiffman/Video-Lesson-Materials/tree/master/code_p5.js Processing code: https://github.com/shiff
From playlist 9: Additional Topics - p5.js Tutorial
Live from sfpc.io! Help us caption & translate this video! http://amara.org/v/Qbt1/ 📄 Code of Conduct: https://github.com/CodingTrain/Code-of-Conduct
From playlist Live Stream Archive
Master Class Unifying Model and Code Verification Why and How - MATLAB and Simulink Video
Free MATLAB Trial: https://goo.gl/yXuXnS Request a Quote: https://goo.gl/wNKDSg Contact Us: https://goo.gl/RjJAkE Verification and validation techniques applied throughout the development process enable you to find errors before they can derail your project. In this session, you’ll learn
From playlist MATLAB and Simulink Conference Talks
Emotional Poverty Chapter 1 The Unregulated, unintegrated Brain
Why do students explode? Why are students out of control? Understanding the structures of the brain and how they can be integrated and regulated is of importance. Understanding what it looks like in the classroom when that integration and regulations fails, or worse, what it looks like w
From playlist Emotional Poverty
Computation Ep7, Regular language complement & intersections (Feb 1, 2022)
This is a recording of a live class for Math 3342, Theory of Computation, an undergraduate course for math and computer science majors at Fairfield University, Spring 2022. The course is about finite automata, Turing machines, and related topics. Homework and handouts at the class websi
From playlist Math 3342 (Theory of Computation) Spring 2022
This is why you should care about unbalanced data .. as a data scientist
What do you do when your data has lots more negative examples than positive ones? Link to Code : https://github.com/ritvikmath/YouTubeVideoCode/blob/main/Unbalanced%20Data.ipynb My Patreon : https://www.patreon.com/user?u=49277905
From playlist Data Science Concepts