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Posted by
Prabhath Kalhara
comments (0)
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.......................................................................... . .
Posted by
Prabhath Kalhara
comments (0)
If you would like to 'sort of' rename your Joomla administrator directory without having to modify any Joomla code, you can achieve it the following way. Its extremely simple...
1. Create a new directory in your root directory (eg. "myadmin")
2. Create an index.php file in your "myadmin" directory..
## myadmin/index.php
$admin_cookie_code="1234567890";
setcookie("JoomlaAdminSession",$admin_cookie_code,0,"/");
header("Location: ../administrator/index.php");
?>
3. Add this to the beginning of index.php in real administrator folder
#administrator/index.php (modify , **do not replace**)
if ($_COOKIE['JoomlaAdminSession'] != "1234567890")
{
header("Location: ../index.php");
}
To enter your Joomla administration page, you point your browser to "http://yoursite.com/myadmin/" The php code will set a cookie that expires at the end of the session and redirect you to your real administration page. No one will be able to load anything from the administrator directory without having gone through the "myadmin" directory first.
Posted by
Prabhath Kalhara
comments (1)
What is WebKit?
WebKit is an open source layout engine designed by the WebKit Foundation and used by operating systems, web browsers, email-clients, and mobile phones. Some of the most well-known names are:
Here is a brief overview of what you can do with the WebKit Open Source Project. For the latest information, visit webkit.org. If you are new to WebKit and would like to know more before committing your time to its projects, they offer the Surfin’ Safari Blog, Planet WebKit, Project Goals, Keeping in Touch, and Trac options. These options have an overload of information concerning the engine.
LIVE SAMPLES
- Abrowse
- Android
- Google Chrome
- iCab
- Konqueror
- Midori
- OmniWeb
- Safari
- Shiira
- Sunrise
Here is a brief overview of what you can do with the WebKit Open Source Project. For the latest information, visit webkit.org. If you are new to WebKit and would like to know more before committing your time to its projects, they offer the Surfin’ Safari Blog, Planet WebKit, Project Goals, Keeping in Touch, and Trac options. These options have an overload of information concerning the engine.
LIVE SAMPLES
CSS: Animation Using CSSTransforms
Surfin’ Safari
Posted by
Prabhath Kalhara
comments (4)
Rowing Technique..
Watch the video and think about angles of your torso, leg, and hip when you're rowing. Do you hold yourself in the same way while you're rowing? At the catch? During the drive? During the recovery? Rowing, much like the deadlift, is all about leverage. Leverage occurs when proper body angles are employed (among other things). It's physics and geometry.
Pay attention to body mechanics on the erg and get the most out of each stroke. You'll be helping yourself the next time a "rowing + x" metcon comes up.
Posted by
Prabhath Kalhara
comments (1)
Exams are a time when stress levels are higher than usual. Stress can be positive, helping you to stay motivated and focused. However, too much stress can be unhelpful - it can make you feel overwhelmed, confused, exhausted and edgy. It's important to try and keep things in perspective and find ways of reducing stress if things seem to be getting on top of you.
Suggestions for managing exam stress
Effective study habits - Many people feel overwhelmed at exam time - having to revise a lot of information in a short space of time and not understanding course material can be a big stress. Check out Exam time: Hints for effective studying for more practical advice on effective study techniques.
Keep your routine outside studying + take regular breaks - It's important to have regular study breaks and time for relaxation and exercise. Going for a walk, run, or to the gym is not a waste of time, it is a great way to clear your head and help you study better.
Watching your favourite TV show or going to the movies are also good ways to take a break from studying. Check out the fact sheet on Relaxation for more ideas to help you relax.
Limit drugs - Caffeine (Eg - coffee, no-doz, V) and other drugs (Eg - speed, coke) give you a short lift before making you crash and burn. They can make you feel sick, and unable to sleep or concentrate properly. You actually study better with regular breaks, getting lots of sleep, and from exercising (really!).
Have a number of options for the future - Getting the marks to get into your first preference is great, but it's not the end of the world if you don't - there are other options to get into your course. These include deferring and getting some practical experience in your field, doing further study, writing to the university, retaking some subjects in some cases, or transferring in after a year or two. And, if you do accept another offer, you may find that you like it even more.
Manage expectations - External pressures around exams can be huge. It can be hard to deal with, especially with family and people you respect, but you need to remember that it's your life and your exam, with you in control. Things that might help you manage expectations:
- Base expectations on your past performance and doing the best you can do.
- Put the exam in context. In the scheme of your life, how important is it? If you don't do as well as you'd hoped there are always other alternatives. It's not going to dictate whether you are a good or a bad person, or whether you are a success or failure. Exams can't measure these sorts of things - all they measure is how well you can present the material asked for by the examiner; nothing more, nothing less.
- Take it as a compliment (admittedly this can be easier said than done). These people want you to do well, and think that you are capable of achieving. Their definition of 'achieving' is sometimes a little (or a lot) misguided, so you need to educate people about what you think is realistic. Talk to them, find out what they hope for you, and tell them what you are thinking and feeling.
- Use the expectations of yourself and others to assist your studying. Talk to people about how you are feeling, see if they have any advice or help they can offer. It's important to ask for, and accept support from those around, especially family members.
Look after your body - It's easy to let exams get on top of you and to forget to look after yourself. If possible try to get a good nights sleep. It's a good time to make an effort to eat healthy, including eating plenty of fruits and vegetables.
Ask for + accept support - If you're feeling overwhelmed, you might find it helpful to talk to a teacher or counsellor. It's also important to ask for, and accept, support from your family if you can. This support might be practical, like picking you up from the library, or emotional, including advice or help.
Posted by
Prabhath Kalhara
comments (0)
Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.
What's a content management system (CMS)?
A content management system is software that keeps track of every piece of content on your Web site, much like your local public library keeps track of books and stores them. Content can be simple text, photos, music, video, documents, or just about anything you can think of. A major advantage of using a CMS is that it requires almost no technical skill or knowledge to manage. Since the CMS manages all your content, you don't have to.
What are some real world examples of what Joomla! can do?
Joomla is used all over the world to power Web sites of all shapes and sizes. For example:
Who uses Joomla?
Here are just a few examples of Web sites that use Joomla:
I need to build a site for a client. How will Joomla! help me?
Joomla is designed to be easy to install and set up even if you're not an advanced user. Many Web hosting services offer a single-click install, getting your new site up and running in just a few minutes.
Since Joomla is so easy to use, as a Web designer or developer, you can quickly build sites for your clients. Then, with a minimal amount of instruction, you can empower your clients to easily manage their own sites themselves.
If your clients need specialized functionality, Joomla is highly extensible and thousands of extensions (most for free under the GPL license) are available in the Joomla Extensions Directory.
How can I be sure there will be Joomla! support in the future?
Joomla is the most popular open source CMS currently available as evidenced by a vibrant and growing community of friendly users and talented developers. Joomla's roots go back to 2000 and, with over 200,000 community users and contributors, the future looks bright for the award-winning Joomla Project.
I'm a developer. What are some advanced ways I can use Joomla?
Many companies and organizations have requirements that go beyond what is available in the basic Joomla package. In those cases, Joomla's powerful application framework makes it easy for developers to create sophisticated add-ons that extend the power of Joomla into virtually unlimited directions.
The core Joomla framework enables developers to quickly and easily build:
Joomla! seems the right solution for me. How do I get started?
Joomla is free, open, and available to anyone under the GPL license. Read Getting Started with Joomla to find out the basics then try out our online demo and you'll quickly discover how simple Joomla is. If you're ready to install Joomla, download the latest version here you'll be up and running in no time.
What's a content management system (CMS)?
A content management system is software that keeps track of every piece of content on your Web site, much like your local public library keeps track of books and stores them. Content can be simple text, photos, music, video, documents, or just about anything you can think of. A major advantage of using a CMS is that it requires almost no technical skill or knowledge to manage. Since the CMS manages all your content, you don't have to.
What are some real world examples of what Joomla! can do?
Joomla is used all over the world to power Web sites of all shapes and sizes. For example:
- Corporate Web sites or portals
- Corporate intranets and extranets
- Online magazines, newspapers, and publications
- E-commerce and online reservations
- Government applications
- Small business Web sites
- Non-profit and organizational Web sites
- Community-based portals
- School and church Web sites
- Personal or family homepages
Who uses Joomla?
Here are just a few examples of Web sites that use Joomla:- MTV Networks Quizilla (Social networking) - http://www.quizilla.com
- IHOP (Restaurant chain) - http://www.ihop.com
- Harvard University (Educational) - http://gsas.harvard.edu
- Citibank (Financial institution intranet) - Not publicly accessible
- The Green Maven (Eco-resources) - http://www.greenmaven.com
- Outdoor Photographer (Magazine) - http://www.outdoorphotographer.com
- PlayShakespeare.com (Cultural) - http://www.playshakespeare.com
- Senso Interiors (Furniture design) - http://www.sensointeriors.co.za
I need to build a site for a client. How will Joomla! help me?
Joomla is designed to be easy to install and set up even if you're not an advanced user. Many Web hosting services offer a single-click install, getting your new site up and running in just a few minutes.Since Joomla is so easy to use, as a Web designer or developer, you can quickly build sites for your clients. Then, with a minimal amount of instruction, you can empower your clients to easily manage their own sites themselves.
If your clients need specialized functionality, Joomla is highly extensible and thousands of extensions (most for free under the GPL license) are available in the Joomla Extensions Directory.
How can I be sure there will be Joomla! support in the future?
Joomla is the most popular open source CMS currently available as evidenced by a vibrant and growing community of friendly users and talented developers. Joomla's roots go back to 2000 and, with over 200,000 community users and contributors, the future looks bright for the award-winning Joomla Project.I'm a developer. What are some advanced ways I can use Joomla?
Many companies and organizations have requirements that go beyond what is available in the basic Joomla package. In those cases, Joomla's powerful application framework makes it easy for developers to create sophisticated add-ons that extend the power of Joomla into virtually unlimited directions.The core Joomla framework enables developers to quickly and easily build:
- Inventory control systems
- Data reporting tools
- Application bridges
- Custom product catalogs
- Integrated e-commerce systems
- Complex business directories
- Reservation systems
- Communication tools
Joomla is free, open, and available to anyone under the GPL license. Read Getting Started with Joomla to find out the basics then try out our online demo and you'll quickly discover how simple Joomla is. If you're ready to install Joomla, download the latest version here you'll be up and running in no time.
Posted by
Prabhath Kalhara
comments (0)
NASA's Kepler space telescope, designed to find Earth-size planets in the habitable zone of sun-like stars, has discovered its first five new exoplanets.
Named Kepler 4b, 5b, 6b, 7b and 8b, the planets were announced Monday, Jan. 4, by the members of the Kepler science team during a news briefing at the American Astronomical Society meeting in Washington.
"The discoveries show that our science instrument is working well," says William Borucki of NASA's Ames Research Center in Moffett Field, Calif. Borucki is the mission's science principal investigator. "Indications are that Kepler will meet all its science goals."
The five planets are quite a bit larger than Earth. Known as "hot Jupiters" because of their high masses and extreme temperatures, the new exoplanets range in size from similar to Neptune to larger than Jupiter. They have orbits ranging from 3.3 to 4.9 days. Estimated temperatures of the planets range from 2,200 to 3,000 degrees Fahrenheit, hotter than molten lava and much too hot for life as we know it.
"It's gratifying to see the first Kepler discoveries rolling off the
assembly line," says Jon Morse, director of the Astrophysics Division at NASA Headquarters in Washington. "We expected Jupiter-size planets in short orbits to be the first planets Kepler could detect. It's only a matter of time before more Kepler observations lead to smaller planets with longer period orbits, coming closer and closer to the discovery of the first Earth analog."
Launched on March 6, 2009, from Cape Canaveral Air Force Station in Florida, the Kepler mission continuously and simultaneously observes more than 150,000 stars. Kepler's science instrument, or photometer, already has measured hundreds of possible planet signatures that are being analyzed. Kepler looks for the signatures of planets by measuring dips in the brightness of stars. When planets cross in front of, or transit, their stars as seen from Earth, they periodically block the starlight. The size of the planet can be derived from the size of the dip. The temperature can be estimated from the characteristics of the star it orbits and the planet's orbital period.
While many of the signatures detected so far are likely to be something other than a planet, such as small stars orbiting larger stars, ground-based observatories have confirmed the existence of the five exoplanets. The discoveries are based on approximately six weeks' worth of data collected since science operations began on May 12, 2009.
According to Borucki, Kepler's continuous and long-duration search should greatly improve scientists' ability to determine the distributions of planet size and orbital period in the future.
"Today's discoveries are a significant contribution to that goal," Borucki said. "The Kepler observations will tell us whether there are many stars with planets that could harbor life, or whether we might be alone in our galaxy."
For more information about the Kepler mission, visit the mission home page at http://www.nasa.gov/kepler.
Named Kepler 4b, 5b, 6b, 7b and 8b, the planets were announced Monday, Jan. 4, by the members of the Kepler science team during a news briefing at the American Astronomical Society meeting in Washington.Right: An artist's concept of the Kepler space telescope on a mission to discover habitable planets outside our own Solar System.
The five planets are quite a bit larger than Earth. Known as "hot Jupiters" because of their high masses and extreme temperatures, the new exoplanets range in size from similar to Neptune to larger than Jupiter. They have orbits ranging from 3.3 to 4.9 days. Estimated temperatures of the planets range from 2,200 to 3,000 degrees Fahrenheit, hotter than molten lava and much too hot for life as we know it.
Below: Kepler's first five exoplanets are large and hot. As the mission proceeds and Kepler has time to gather more data, smaller and cooler planets can be found leading, perhaps, to the discovery of planets like Earth.
assembly line," says Jon Morse, director of the Astrophysics Division at NASA Headquarters in Washington. "We expected Jupiter-size planets in short orbits to be the first planets Kepler could detect. It's only a matter of time before more Kepler observations lead to smaller planets with longer period orbits, coming closer and closer to the discovery of the first Earth analog."
Launched on March 6, 2009, from Cape Canaveral Air Force Station in Florida, the Kepler mission continuously and simultaneously observes more than 150,000 stars. Kepler's science instrument, or photometer, already has measured hundreds of possible planet signatures that are being analyzed. Kepler looks for the signatures of planets by measuring dips in the brightness of stars. When planets cross in front of, or transit, their stars as seen from Earth, they periodically block the starlight. The size of the planet can be derived from the size of the dip. The temperature can be estimated from the characteristics of the star it orbits and the planet's orbital period.
While many of the signatures detected so far are likely to be something other than a planet, such as small stars orbiting larger stars, ground-based observatories have confirmed the existence of the five exoplanets. The discoveries are based on approximately six weeks' worth of data collected since science operations began on May 12, 2009.
Above: The five planets were discovered when they passed in front of (or "transited") their parent stars, causing the stars' apparent brightness to dip.
Kepler will continue science operations until at least November 2012. It will search for planets as small as Earth, including those that orbit stars in a warm habitable zone where liquid water could exist on the surface of the planet. Since transits of planets in the habitable zone of solar-like stars occur about once a year and require three transits for verification, it is expected to take at least three years to locate and verify an Earth-size planet.According to Borucki, Kepler's continuous and long-duration search should greatly improve scientists' ability to determine the distributions of planet size and orbital period in the future.
"Today's discoveries are a significant contribution to that goal," Borucki said. "The Kepler observations will tell us whether there are many stars with planets that could harbor life, or whether we might be alone in our galaxy."
For more information about the Kepler mission, visit the mission home page at http://www.nasa.gov/kepler.
