SEARCH KEYWORD -- type system


  Comparable and comparator in Java

Comparable and comparator are two similar interfaces used to compare objects in Java. When we want to sort a list of objects such as Employee or User etc, we may need to implement these interfaces to make them comparable as we want. However, there are some differences between comparable and comparator interface.ComparableA comparable object is capable of comparing itself with another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its in...

   Java,Comparable,Comparator,Sort     2012-07-04 12:06:15

  Chrome time machine : Chrome starts from 0 to 1

Time flies, Chrome has been around us for four years since its birth. The Chrome team launched a Chrome time machine on Google's official blog, you just need a simple click or scroll back and forth with mouse, it will show you what happened to Chrome in last four years. If you find clues hidden between the lines, type a few mysterious characters, you may also be able to find a special birthday gift prepared by Chrome team.Four years, Chrome started from scratch and now it's the No.1 web browser...

   Chrome time machine,4 years     2012-09-05 06:54:05

  Deep Understanding of ReentrantLock: Unlocking the Mysteries of Java Concurrent Programming

ReentrantLock introduction ReentrantLock is a class in the Java concurrent package, java.util.concurrent.locks, and is an implementation of the Lock interface. As its name suggests, it is a reentrant mutual exclusion lock. A mutual exclusion lock is a synchronization tool used to protect shared resources, ensuring that only one thread can access the resource at a given time. Reentrant means that a thread can acquire the same lock multiple times without causing a deadlock. This lock provides some...

   JAVA,REENTRANTLOCK,CONCURRENCY,MULTITHREADING     2023-05-22 08:01:13

  Products born for Cloud

Cloud computing has become increasingly popularity among companies. It greatly saves the investment of infrastructure and training with everything is running on cloud, it also improves the accessibility and flexibility of service provided by companies. With its popularity, many products are born or becoming popular to help build and move the apps to the cloud. Some well known names of these products are Vagrant, Docker/LXC, Chef and OpenStack. These tools can help create, test and deploy applica...

   Cloud,Openstack,Docker,Vargrant,LXC,Chef     2015-01-25 02:27:11

  Fix WampServer offline issue

WampServer is a web server on Windows which provides easy to use features for PHP developers. You can easily setup a web server by installing WampSserver without much hard to understand configurations. After installing it and with a simple configuration, you just need to double click it and start all services and your server is gonna up.  If the server starts up normally, you will see a green icon which indicates the working status at the taskbar. But if you don't see the green icon shown u...

   APACHE,PHP,WAMPSERVER     2015-09-13 01:59:38

  Android Security

Android is an open source mobile platform that includes an operating system, middleware and applications. Android has revolutionized the mobile world in a big way. Android, which started as an alternative to Apple’s iOS, is now slowly eating into the market share of Apple and is of primary concern to the company. Let’s have a brief introduction about android and then look into the security concerns and vulnerabilities that need to be focused on. Android Introduction: Android was deve...

   Android security,Input validation     2013-04-16 12:19:37

  Speech recognition breakthrough from Microsoft

Recently, Microsoft Research published a demo video on YouTube that demonstrated simultaneously translating English speech to Chinese speech with Microsoft's new research achievement. The result is quite impressive, it has large improvement compared to previous speech recognition systems. It's a big breakthrough of speech recognition. In this demo, Microsoft Chief Research Officer Rick Rashid demonstrates a speech recognition breakthrough.First when he speaks, the screen will display what he is ...

   Speech recognition, Text to speech,Machine translation     2012-11-09 23:53:21

  Oracle CEO Mark Hurd : IBM PureSystem is far behind Oracle

Oracle CEO Mark Hurd had an interview with Chinese media in San Francisco on 19th April. Mark Hurd first introduced different levels of Oracle's overall strategy: 1) the product must achieve best among similar products; 2) system open, vertical integration to provide customers with maximum performance; 3) Industry specific solutions; 4) give users the right to choose and the integration of the cloud environment (private cloud, public cloud, mixed cloud). In addition, Mark Hurd share his own...

   Oracle,IBM,Pureystem,Hardware/Software     2012-04-19 07:17:24

  The Internet : from 1969-1974

Internet was born 43 years ago. There are some big events in the history of Internet development. In my opinion, most of the big events happened at the first five years, i.e, from 1969-1974.  1969 : ARPANETThe Advanced Research Projects Agency Network (ARPANET), was the world's first operational packet switching network and the core network of a set that came to compose the global Internet. The first ARPANET transmission was between Stanford Research Institute and UCLA on 29th, October 1969...

   Internet,History     2012-06-22 09:55:51

  How to Prevent a Data Breach: Guide For Businesses

The consequences of a data breach are nothing to joke about. From reputation damage to regulatory fines, it is a disaster for any business. So you should always strive to do your best to prevent it. But with so many steps to take, where do you even begin? Businesses of all shapes and sizes should follow this 8-step approach: 1. Outline Your Assets Your assets, whether digital or physical, should always remain in your sight. It should be the very first step you take. Picture anything that might r...

   DATA SECURITY     2020-03-04 08:16:44

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