what is the difference between hibernate and suspend in linux?
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Suspend does not turn off your computer. It puts the computer and all peripherals on a low power consumption mode. ... Hibernate saves the state of your computer to the hard disk and completely powers off. When resuming, the saved state is restored to RAM.
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['Solarwinds Server and Application Monitor – 30 Day Free Trial! ... ', 'PRTG. ... ', 'ManageEngine OpManager. ... ', 'WhatsUp Gold. ... ', 'Zabbix. ... ', 'OpenNMS.']
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Hibernate handles persisting any changes to objects in the session when the session is flushed. update can fail if an instance of the object is already in the session. Merge should be used in that case. It merges the changes of the detached object with an object in the session, if it exists.
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It takes longer to resume from hibernate than sleep, but hibernate uses much less power than sleep. A computer that's hibernating uses about the same amount of power as a computer that's shut down. ... Hybrid is like a combination of sleep and hibernate. Like hibernate, it saves your memory state to hard disk.
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Difference between Daemon threads and non-Daemon thread (user thread) The main difference between Daemon thread and user threads is that the JVM does not wait for Daemon thread before exiting while it waits for user threads, it does not exit until unless all the user threads finish their execution.
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['Click Start, and then type cmd in the Start Search box. ... ', 'In the search results list, right-click Command Prompt or CMD, and then click Run as Administrator.', 'When you are prompted by User Account Control, click Continue.', 'At the command prompt, type powercfg.exe /hibernate off, and then press Enter.']
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AIX® enables memory pages to be maintained in real memory all the time. This mechanism is called pinning memory. Pinning a memory region prohibits the pager from stealing pages from the pages backing the pinned memory region. Memory regions defined in either system space or user space may be pinned.
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Difference between sleep(), suspend() and wait() sleep() is a static method that is used to send the calling thread into a non-runnable state for the given duration of time. ... suspend() method has been deprecated, as it is inherently deadlock-prone.It suspends the thread on which it is invoked.
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Because in windows 8 and 10 they introduced a new state called “HYBRID SLEEP” . By default the sleep will act as a hybrid sleep. ... When hybrid sleep is turned on, putting your computer into sleep automatically puts your computer into hybrid sleep. Thats why in windows 8&10 they disable hibernate as default.
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['Open Control Panel and navigate to Hardware and Sound > Power Options.', 'Click Choose what the power buttons do.', 'Next click the Change Settings that are currently unavailable link. ... ', 'Check the Hibernate (Show in Power menu).', "Click on Save changes and that's it."]
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['Enterprise JavaBeans Entity Beans.', 'Java Data Objects.', 'Castor.', 'TopLink.', 'Spring DAO.', 'Hibernate.', 'And many more.']
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['Delete Big Hidden Files and Folders.', 'Clean Up Junk Files and Large Files.', 'Delete Hibernate File.', 'Uninstall Some Programs.', 'Temporarily Disable System Restore.', 'Add Extra Space to Drive C.']
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In Stateless, server is not needed to keep the server information or session details to itself. In stateful, a server is required to maintain the current state and session information. In stateless, server and client are loosely coupled and can act independently. In stateful, server and client are tightly bound.
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In hibernate, get() and load() are two methods which is used to fetch data for the given identifier. They both belong to Hibernate session class. Get() method return null, If no row is available in the session cache or the database for the given identifier whereas load() method throws object not found exception.
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Performance: Native JDBC is faster than Hibernate because of the latter's need to generate queries on the fly. Server customisation, partitioning and so on can mitigate this though. Scalability: If an application is not likely to grow beyond a small number of database tables, then native JDBC should be adequate.
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Hibernation is a way animals conserve energy to survive adverse weather conditions or lack of food. It involves physiological changes such as a drop in body temperature and slowed metabolism.
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Few differences between SQL and HQL. SQL is based on relational database model whereas HQL is a combination of OOPS with Relational database concept. SQL manipulates data stored in tables and modifies its rows and columns while HQL is concerned about objects and its properties.