Black and white Computer

What is Internet Protocol (IP) address?  IP address is a wordwide number that associated with one particular workstation or server. All computer or server must have Unique IP address in order to receive or send packet directly across the internet.The Ip address are base on where station is connected.IP addresses are not controlled by a single organization - address ranges are assigned.They are like phone numbers – they get reorganized once in a great while Don't really understand? It was just like street address or phone number to determines the recipient of a letter/,essage (in internet are called as packet) is used to identify computers on the internet. There are two version of Internet protocol, which are Internet protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6). IPv4 is only 32 bit which only have 4 967 296 (2 32 ) address because they can't predict there would be huge amount of people using the internet in the future. Therefore they come out wit

Coursera screenshot Many Course are available on the internet, most of the course are from famous University like MIT, Princeton, Stanford and others. Many information can be found online like video of lecture and note , ebook and others.I don't want explain too much about the Online course since it was common sense.  I don't know what website is the biggest online course website or most popular but I just found this few website and hope it will helpful.  There are few online course website that are free for user to sign up.Enjoy learning the Course through the following website. Coursera EarthAcedemic MITCOURSE Open Culture There are many more online resources available. For person who have more information or link about the online course are welcome to leave a comment. The list will keep on increase as long as I found  another website! Thank you for reading this articles, hope it can help you in studies.

What is webmaster tool? Webmaster tools contain tool that configure your website setting like Crawl state ,traffic analysis, website search queries and others. Normally webmaster tool is provided by search engine for free. Top 3 search engine in World is Google ,Yahoo and Bing. Yahoo recently let Bing to take over the search engine business . The Webmaster tool provide by Yahoo like Yahoo Site Explorer is combine with the Bing Webmaster Tool.  Here is some of the list of webmaster tool: Google Webmaster tool Bing webmaster tool Free webmaster tool

In recent years, with the popularity of Java in Web applications and enterprise applications, two significant increase in the demand for Java programmers. Therefore, the number of Java programmers a sudden surge in the rankings (from TIOBE can be seen). Although this is a good thing for the Java community, but also exposed some problems. Beside, due to the large number of developers into Java in this area, appropriate teaching, training can not keep up; Moreover, many developers into the Java field of impetuous, hopes the "quick" do not have the patience needed to train basic skills. Based on the experience of recent years, I interviewed the Java programmers and Java colleagues around the use of observation, I concluded some common problems and corresponding solutions. If you are a Java novice (just learned Java soon, working 1-2 years), you can see I said a common problem is not you also have, if any, may quickly remedy the Next, let us talk about a common problem: a