Java, Programming

Java and Garbage Collection

When a new operator is created some memory is allocated on the JVM’s heap at runtime. Garbage collection is the process of freeing the objects that are no longer in use or not referenced by the programmer, which reduces the programmer’s job to manage the memory for un-used objects thereby preventing bugs into the application. The more accurate term used…

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Java, Programming

What is Java Bean?

  i) It has a public no-args constructor   ii) It has ‘set’ and ‘get’ methods for its properties.   iii) It may have any general functions.   iv) If required it must be Serializable. If  the bean uses library classes alone, it is automatically serializable. Usage:   <jsp:useBean   id=”greeter1″   />     <%    String   s = request.getParameter(“text1”);        String   a =…

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Linux, OS

OpenBSD 4.9 Released

Developers of open source operating system OpenBSD today announced the release of OS OpenBSD 4.9, has received support for the latest 64-bit processors, now existing in the mass market. One of the main innovations of version 4.9 is enhanced support for multiprocessor systems, SMP-kernel version now supports up to 64 cores. The new version of the OS developers to the…

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OS, Windows

Windows Thin PC Released RC

Microsoft announced a prerelease version of Windows Thin PC (WinTPC), designed to transform old PCs into thin clients. The final issue will follow later this quarter. Microsoft describes the product as a “cut-down version of Windows 7, which enables organizations to turn existing PCs into thin clients, thereby reducing the need for new equipment for thin clients. ” Community Technology…

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PHP, Security

Facebook Architecture: 500 million users – is not the limit

The film “social network” is well illustrated by the phenomenon of Facebook’s development, managed to collect a record time of fabulous, unthinkable before the audience. However, behind the scenes remained another component of the project – how it works inside. His technical device. What is Facebook now? This is best demonstrated dry figures: * 500 million active users (monthly audience);…

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Security

70 million users data leakage acknowledged by Sony PlayStation Network

Sony acknowledged that as a result of a serious hacker attack on its services PlayStation Network and Qriocity lost a lot of customer data possibly including financial information. PlayStation Network service is not functioning for almost a week after suffering from the alleged DDoS-attacks. In this case, Sony has informed customers that it switched off the website after hacker attack,…

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Database, Java, Programming, Security

Oracle downplays risk vulnerabilities

Manufacturer of software for computer security AppSec announced that Oracle produces an inadequate assessment of vulnerabilities. According to researchers Application Security (AppSec), Oracle Corporation may enter into mislead consumers about the seriousness of some of the vulnerabilities discovered in its software. “Oracle likes to downplay the risk of vulnerabilities,” – said Alex Rozeker, Director of Research AppSec. “As a result,…

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Linux, Mac, OS, Windows

Linux and Apple Mac OS growing in popularity : 2010

According to a new study by Gartner, the market of operating systems was 30.4 billion in 2010, and it greatly increased the demand for Linux and Mac OS on server and client markets. According to the report Market Share Analysis: Operating System Software Worldwide 2010, especially increased in popularity among customers of the operating system Mac OS. Using the operating…

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