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This shot of Kutztown University in Pennsylvania is the first image from the GeoEye-1 satellite. Google is a commercial customer for the satellite’s imagery. (Credit: GeoEye)

Golden Bears fans, take note: The first high-resolution photos from GeoEye’s newest satellite, GeoEye-1, have begun arriving, and Kutztown University in Pennsylvania is the first subject of scrutiny.

These are the shots that eventually will show up on Google Maps and Google Earth; Google has an exclusive partnership to use the GeoEye-1 imagery for online services. The satellite’s camera can capture image details as small as 41 centimeters, though commercial customers only get 50-centimeter resolution because of U.S. regulations.

The Kutztown University image was taken at noon EDT Tuesday while the satellite was moving south at an altitude of 423 miles at a speed of 4.5 miles per second relative to the Earth’s surface, GeoEye said.

GeoEye launched the satellite on September 6; GeoEye-2 is slated for a launch in 2011 or 2012. It has a 25-centimeter resolution.

(Courtesy: CNET)

Fast forward to the 2:40 (2-minute and 40-second) mark. Watch the middle and top of the Apollo 11 Saturn V rocket.

read more | digg story

Just saw an interesting bit of JavaScript that allows anyone to edit the content of a web page from IE or FireFox. This is a JavaScript trick that runs on the client side and does not have any effects on the actual file on the server. With this you can change the text of a web page to your hearts content.

Once you visit a page you are interesting in modifying, enter the following JavaScript in the address or location bar all in one line.

javascript:document.body.contentEditable=’true’;document.designMode=’on’; void 0

The Browser War is flaring up once again with the release of Google Chrome. Google Inc. has released its own Web browser in a long-anticipated move aimed at countering the dominance of Microsoft Corp.’s Internet Explorer and ensuring easy access to its market-leading search engine.

It is a new browser based on many freely available open source components such as WebKit and Firefox. Chrome is bare bones, chrome less, browser with very little UI fluff and decoration. It is interesting to note that the UI for the Google browser took a note from the companies colorful logo, the Chrome UI looks neat with a blue pastel color scheme.

They say, Google Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster, safer, and easier. Many of the features that are high lighted in Chrome are not necessarily revolutionary. Chrome basically reduced the browser to the location bar, tabs, and content page.

The most notable features in Chrome are its crash control, incognito mode, and safe browsing. Chrome runs each web page on its own process so that if one page fails only that page is effected. Incognito mode is like Safari’s Private Browsing, aka Porn Mode, it allows you to surf the web without caching cookies and history of the sites you visit on your local computer. It’s safe browsing feature will help you to identify web sites with malicious code or applications. Many of these features are not entirely new.

What I think is new is that Google decided to release yet another browser. The browser space is already crowded with Firefox, IE, Safari, Opera, Konqueror, and Flock to name just a few. It is clear that Google will align Chrome with its properties, search, applications, development tools, and user generated content sites. Seeing Google take this approach I wonder if other companies follow suit and release internet browsers that compliment their business. Can you imagine a custom browser from Adobe, McAffee, Oracle, Amazon, or EBay? hell!

The news is that Chrome has already acquired nearly 1% of the market share. Now, thats impressive and I think Firefox is already feeling the heat.

Consider the following Simple Code:

class SubTest{
public static void main(String[] args){
double a = 10.00;
double b = 10.60;
double c = 10.50;

System.out.println(”b - a :” + (b-a));
System.out.println(”c - a :” + (c-a));
}
}

What could be the output??

b - a :0.5999999999999996
c - a :0.5

Well, we know in simple maths 10.60 – 10.00 = .60;

But, why is the computation adding a small signed error to the result!!!. The computer floating point unit works internally in base 2, binary ie., the Representation of repeater fraction 1/3 = 0.33333 in base 10. Such fractions cannot be precisely represented in base10. The same fundamental mathematical cause is at work.

To avoid such errors, we can look at using BigDecimal:

import java.math.*;

public class SubTest1{
public static void main(String args[]){
BigDecimal num1 = new BigDecimal(”10.60″);
BigDecimal num2 = new BigDecimal(”10.00″);
BigDecimal result = num1.subtract(num2).setScale(2, BigDecimal.ROUND_HALF_UP);
System.out.println(”num1 - num2 :” + result);
}
}

And, the result:

num1 - num2 :0.60

Sometime back I found a document which provides top 10 tips which can help to ensure that databases are created that can be easily exported and manipulated with the minimum of difficulties. Thought I should be sharing this with all of you.

The 10 Tips:

1. 1. Develop A Prototype

Significant time can be saved by creating the structure in a simple desktop database (such as Microsoft Access) before finalising the design in one of the enterprise databases. The developer will be able to recognise simple faults and makes changes more rapidly than would be possible at a later date.

2. 2. Split database structure into multiple tables

Unlike paper-based structures, databases do not require the storage of all fields in a single table. For large databases it is useful to split essential information into multiple tables. Before creating a database, ensure that the data has been normalised to avoid duplication.

3. 3. Use understandable field names

The developer should avoid field names that are not instantly recognisable. Acronyms or internal references will confuse users and future developers who are not completely familiar with the database.

4. 4. Avoid illegal file names

It is considered good practice to avoid exotic characters in file or field names. Exotic characters would include ampersands, percentages, asterisks, brackets and quotation marks. You should also avoid spaces in field and table names.

5. 5. Ensure Consistency

Remain consistent with data entry. If including title (Mr, Miss, etc.) include it for all records. Similarly, if you have established that house number and address belong in different fields, always split them.

6. 6. Avoid blank fields

Blank fields can cause problems when interpreting the data at a later date. Does it mean that you have no information, or you have forgotten to enter the information? If information is unavailable it is better to provide a standard response (e.g. unknown).

7. 7. Use standard descriptors for date and time

Date and time can be easily confused when exporting database fields in a text file. A date that reads ‘12/04/2003’ can have two meanings, referring to April 12^th or December 4^th, 2003. To avoid ambiguity always enter and store dates with a four-digit century and times of day using the 24hr clock. The ISO format (yyyy-mm-dd) is useful for absolute clarity, particularly when mixing databases at a later date.

8. 8. Use currency fields if appropriate

Currency data types are designed for modern decimal currencies and can cause problems when handling old style currency systems, such as Britain’s currency system prior to 1971 that divided currency into pounds, shillings and pence.

9. 9. Avoid proprietary extensions

Care should be taken when using proprietary extensions, as their use will tie your database to a particular software package. Examples of proprietary extensions include the user interface and application-specific commands.

1 10. Avoid the use of field dividers

Commas, quotation marks and semi-colons are all used as methods of separating fields when databases are exported to a plain text file and subsequently re-imported into another database. When entering data into a database you should choose an alternative character that represents these characters.

And DAMN it’s been a long time since I’ve put something here. I’m not forgetting about the site… just the new job has been taking quite a bit of time out of my leisure activities, this website being one of them. I made quick work of the dozens of spams that got through the filter and updated WordPress.

Also another problem is I have started using Linux. I’ve been running a mix of Linux and XP at home lately to get a feel of the environment and hope to shift entirely to Linux on day.

Let’s hope that the next post isn’t so far out. In fact, I promise the next thing I write will be sooner rather than later.

People around the world have come up with all kinds of strange laws in their efforts to maintain law and order. The following is the list some of the strangest laws in effect around the world

1. In Thailand, it is illegal to leave your house if you are not wearing underwear - how do they actually find that??
2. In Switzerland, it is illegal to flush the toilet after 10pm if you live in an apartment – what??
3. It’s also illegal for a chicken to lay an egg on Friday or Saturday in Israel – and it does then??
4. Picking your nose on Saturday is forbidden in Israel – what???
5. In Denmark, attempt to escape from prison is not illegal, however, if one is caught he is required to serve out the remainder of the term – they are rally nice people!
6. In Liverpool, it is illegal for a woman to be topless in public except as a clerk in a tropical fish store, or in a bank if handling foreign currency
7. In Ireland, it is illegal for a student to walk through Trinity College without a sword – they actually go to college to war?
8. In Texas, ‘when two trains meet each other at a railroad crossing, each shall come to a full stop, and neither shall proceed until the other has gone’ – and when do they proceed actually?
9. No man may purchase alcohol without written consent from his wife in Pennsylvania
10. In Pennsylvania, ‘any motorist driving along a country road at night must stop every mile and send up a rocket signal, wait 10 minutes for the road to be cleared of livestock, and continue’ – I am not going to that country with my bike! never
11. In Paulding, Ohio, a policeman can legally bite a dog to quiet him - eek
12. In Oxford, Ohio, it’s illegal for a woman to strip off her clothing while standing in front of a man’s picture – no comments!!
13. A man cannot go outside wearing un-matching jacket and pants in Carmel, New York – what?
14. In Cresskill, New Jersey, cats must wear three bells to warn birds of their whereabouts
15. It’s illegal for a husband to make love to his wife if his breath smells like garlic, onions, or sardines in Alexandria, Minnesota. The wife can, by law, force her husband to brush his teeth
16. In Michigan, a woman’s hair legally belongs to her husband. Consequently she’s not allowed to cut her own hair without her husband’s permission – of course.. I mean this should be implemented all over the world.
17. All dogs are required to have their hind legs tied during the month of April in Massachusetts – and why is that so?
18. Carrying an ice cream cone in our pocket is prohibited in Kentucky – poor boy
19. In Natoma, Kansas, it’s against the law to practice knife-throwing at men wearing striped suits – hey, give me a break
20. In Zion, Illinois, it’s illegal for anyone to give lighted cigars to dogs, cats, and other domesticated animals kept as pets
21. In Chicago, eating in a place that is on fire is forbidden – and who does that? I mean, its fire all over and you are eating… my last supper
    
22. In Kenilworth, Illinois, roosters must be at least three hundred feet away from any residence if they wish to crow- now rules are for the animals also… poor guys
23. It is illegal for a cab in the city of London to carry rabid dogs or corpses
24. It is illegal to die in the Houses of Parliament in UK – if somebody dies… hang him till death..?
25. In France, it is forbidden to call a pig Napoleon
26. Under the UK’s Tax Avoidance Schemes Regulations 2006, it is illegal not to tell the taxman anything you don’t want him to know, though you don’t have to tell him anything you don’t mind him knowing – I don’t have any problem you knowing everything.. So I don’t tell you anything!!
27. In Ohio, it is against state law to get a fish drunk – fish… drunk… how… why???
28. Royal Navy ships that enter the port of London must provide a barrel of rum to the Constable of the Tower of London – that guy must be lucky
29. In UK, a pregnant woman can legally relieve herself anywhere she wants- even if she so requests, in a policeman’s helmet – eek…
30. In Miami, Florida, it is illegal to skateboard inside a police station – crazy… is it legal to play golf?
31. In San Salvador, drunk drivers can be punished by death before a firing squad
32. In UK, a man who feels compelled to urinate in public can do so only if he aims for his rear wheel and keeps his right hand on his vehicle
33. In Florida, unmarried women who parachute on Sundays can be jailed
34. In Kentucky, it is illegal to carry a concealed weapon more than six feet long
35. In Chester, Welshmen are banned from entering the city before sunrise and from staying after sunset
36. In the city of York, it is legal to murder a Scotsman within the ancient city walls, but only if he is carrying a bow and arrow
37. In Boulder, Colorado, it is illegal to kill a bird within the city limits and also to ‘own’ a pet – the town’s citizens, legally speaking are merely ‘pet minders’
38. In Vermont, women must get written permission from their husbands to wear false teeth
39. In London, it is illegal to flag down a taxi if you have the plague
40. The head of any dead whale found on the British coast is legally the property of the king; the tail, on the other hand, belongs to the queen – in case she needs the bones for her corset

There are many more. It was really amusing that these kinds of rules exist.

You can now socialize in 3D places on the Web! Lively by Google has interactive 3D places on Web pages where visitors can see each other’s avatars and chat. Customize your avatar and decorate rooms to add another dimension to social networking! Take expression to the next dimension with Lively. This exciting experience lets you interact and express yourself with avatars, within rooms you create.

You’ll be able to:

• Chat with your friends or meet new contacts online.
• Create and decorate your own room - and invite your friends over.
• Personalize your surroundings with an ever-growing catalog of avatars, outfits, furniture, and rooms to build up.

Your avatar represents you. Pick a character that suits your personality or mood and customize it to make it unique. Dress your avatar to express your style. Use your avatar’s animations to add some body language to chats! Customize the avatar and stream personal photos and video.

Users can create and share their own places: Anybody can create and publish their own room. Pick a room shell that provides a good foundation and decorate it any way that you can imagine. Invite people to visit your room, they can decorate it too! Add your room to your site. Invite your friends to chat and help decorate

The best part is, if you already use Web History or any Google service that requires a sign-in, then you already have a Google Account, and can sign in now to begin using Lively by Google.