Tuesday, June 29, 2010

Apache upgrades Tomcat Web server

Version 7.0 boasts Java specification compliance, memory leak detection

Apache Tomcat 7.0, the latest version of the popular open source Java Web server, is available Tuesday from the Apache Software Foundation.

The upgrade constitutes the first major release of the project since 2006. To ease Web framework integration, version 7.0 implements the Java Servlet 3.0, JavaServer Pages 2.2 and Expression Language 2.2 specifications.

Apache Tomcat 7.0, the latest version of the popular open source Java Web server, is available Tuesday from the Apache Software Foundation.

The upgrade constitutes the first major release of the project since 2006. To ease Web framework integration, version 7.0 implements the Java Servlet 3.0, JavaServer Pages 2.2 and Expression Language 2.2 specifications.


Also, memory leak detection has been improved in version 7.0. "That functionality will help developers avoid problems in the [Java Virtual Machine] and the third-party libraries they might be using that can often trigger [memory leaks] on application reloads," said Mark Thomas, a member of the Tomcat project management committee at Apache.

Tomcat, Thomas said, offers the benefit of being lightweight and it gets the job done. "It does what developers want it to do, and it does it reliably. They want it to run their Web applications," he said.

Tomcat 7.0 simplifies writing and deploying of complex Web applications, offering out-of-the-box support for development features that would otherwise require manual coding, the foundation said.

Introduced 10 years ago, Apache Tomcat has been downloaded more than 10 million times, Apache said. It forms the basis of commercial products from such companies as MuleSoft and the SpringSource unit of VMware, Thomas said.

Version 7.0 is offered under the Apache Software License v2.0 at the Tomcat Web page.


Source : infoworld.com

Thursday, June 24, 2010

How HTML5 Will Change the Web?

Many folks who are just tuning into the HTML5 saga because of the battle between Adobe and Apple are surprised to learn that the push to create a fifth official version of the HTML specification began six years ago. And that's just the first half of the story because the latest implementations, while nice, are far from standards. The HTML5 demos from Apple, for instance, are impressive, but they only run well on Safari.

That's how slowly committees can work. The browser creators and other stakeholders have a big collection of ideas for improving the browser and the Web, and these are gradually coalescing into a fifth generation for the standard. But agreement takes time. Many of the new tags and JavaScript functions exist already as experiments on some of the browsers, but interoperability and standardization are still to come. That's why the Flash groupies joke about HTML5 being a time machine to take you back to 2000.

While the jokes may sting and waiting for more general adoption is tiresome, it would be a mistake to simply ignore HTML5. There are not only powerful companies behind it, but there's also the standard process of technological development. The software -- both browsers and tools -- tends to absorb all of the orbiting extras, incorporating them into the main standard.

[ Also on InfoWorld: Despite HTML5, Web designers have good reasons to cling to Flash for rich Web content. See "HTML5 vs. Flash: The case for Flash." ]

HTML5 will change many aspects of life on the Web. It will not displace Flash or Shockwave: One glance at the games on Miniclip.com, such as Jet Ski Racer, shows how much ground the HTML5 committee must cover. But HTML5 will still remake the Web and enable basic Websites to do much more -- from tracking our location to storing more of our data in the cloud. HTML5 tags will displace plug-ins for simpler jobs, at least some of the time, and it will open up advanced capabilities to a larger audience. It might even make the Web more secure, more efficient, and more adaptable.

To see where this new standard may take us, I collected the opinions from a number of developers, programmers, and designers. Here is an unordered list of ways that the Web may change as HTML5 is gradually adopted and standardized.

HTML5 will reduce the importance of plug-ins HTML5 will enable more interactive graphics HTML5 will allow applications to tap local file storage HTML5 will simplify scraping with cyborg data HTML5 will add location to the mix HTML5 will smooth the way to Web video HTML5 will produce chattier widgets HTML5 will improve security (maybe) HTML5 will simplify Web development

HTML5 will reduce the importance of plug-ins Once upon a time the Web world liked the idea of a browser plug-in or add-on because it encouraged creativity and experimentation. Sounds, moving pictures, and other neat tricks appeared on the Web first through plug-ins built by Sun, Adobe, RealAudio, Microsoft, and many others. The plug-in interface was open to all, and everyone experimented with adding new features to the old, text-based world.

The battle over Flash may be the most famous skirmish, but the newer expanded powers of HTML5 also threaten other coding silos. JavaFX may be wonderful, but who wants to learn another syntax when JavaScript and the Canvas object will do the job? Who needs the Real ecosystem when the video tag will synchronize audio and video? Plug-ins like these are destined to be forgotten.

Will the idea of a plug-in disappear or fall into disfavor? Perhaps, but it depends on what you want to do. If drawing images is your goal, then the Canvas object may be powerful enough. But if you want to build specialized 3-D worlds like the ones found in the more sophisticated Flash and Shockwave games, you may be pining for the old days when a plug-in could get direct access to the video hardware or run a 3-D game world.

HTML5 will enable more interactive graphics The old Web loaded images by downloading a GIF or a JPG file. The new Web can build an image on the fly in a Canvas object. A number of good graphing libraries have appeared, and all of them make a Website's graphics much more interactive.

Now the JavaScript layer can compute values and draw pictures with the data. Everything can become more alive and much less textual -- if the developer has the time and talent to create the solutions. Adobe is just beginning to make it simpler to develop sophisticated graphics for HTML5. The emergence of such tools will unlock additional capabilities, and the sophistication of the graphics will only improve as the tools mature.

There is a legitimate danger that all of this sophistication will overwhelm the poor client-side processors. In the past, some developers deliberately disabled the Flash plug-in to avoid the headaches and overhead of rendering heavy Flash content. That won't be an option in the future. Everyone who's been complaining about Flash may learn that the troubles had little to do with the technology itself -- the problems came from the designers battling for our attention.

HTML5 will allow applications to tap local file storage Web programmers have always been able to store a surprisingly large amount of information in cookies (300 cookies of up to 4,096 bytes in IE), but to do real work you need more room. The early versions from the Dojo toolkit used the Flash plug-in to commandeer a section of the hard disk, but now the tools can simply use HTML5.

This storage can be used for anything the programmer wants, including undermining the entire cloud paradigm by storing data locally on the hard disk. This makes it possible to deliver and install applications that behave just like classic applications. Applications load their JavaScript code from the HTML5 offline application cache and start right up whether or not the Web connection is working.

The technique does not need to undermine the hard work of cloud proponents, though, because the local databases can act like smart caches. Game programmers might store descriptions and artwork locally, saving the time of downloading the information again and again.

On the downside, these databases are buried deeply in the system folder, so making backups may not be the simplest step. Users who may want to move their local data from machine to machine will pull out their hair. Or perhaps we'll just see a hybrid cloud/local approach appear where the local machine caches the data but the cloud maintains a definitive version that can be accessed from different machines.

HTML5 will simplify scraping with cyborg data Anyone who's scraped data from Web pages knows that the structure offered by HTML does little except tell the browser where to place the information. There's no insight into the data itself, something that would help a programmer make sense of the information. The so-called microformats in HTML5 provide a mechanism to introduce more sophisticated markup into the HTML that makes it easier to analyze the data.

No one can predict just how much change the microformats will bring to the Web, but it's easy to see how they will empower programmers to whip together solutions. If there's one nice, standard way to represent dates and times, for example, then programmers can knit together the time-related information from Websites without bothering to write sophisticated parsers that guess at the format one person chose. Calendars, timelines, and schedules drawn from multiple sources become much simpler to craft.

HTML5 will add location to the mix To the Web server, we were once just IP addresses, relatively anonymous numbers that had only a rough correspondence to the real world. The HTML5 standard now lets JavaScript ask the browser for the latitude and longitude of the user. It typically doesn't work with a desktop system (GPS or Wi-Fi required), but it works quite well with handheld smartphones.

No one knows what clever programmers will create with this location information, but it's bound to integrate cyberspace with meatspace in unpredictable and amazing ways.

HTML5 will smooth the way to Web video The HTML5 video tag makes it easier for Web developers to integrate video with the information on the rest of the page, opening up the bag of tricks to jQuery and PHP developers, not just Flash, Silverlight, or JavaFX magicians.

Despite this vision, there's little coherence, as everyone wants to be the ones distributing the codecs for unpacking the moving images and the corresponding sound. The HTML5 standard is codec-neutral, which means that we're replacing the old world where the add-on software was called a plug-in with a new world where the add-on is called a codec. So there's a standard video tag, but the browser may or may not know how to interpret the data.

Erich Ocean, a HTML5 application development lecturer who teaches in Los Angeles, believes the codec wars are already won. "Computer programmers (and Mozilla) are fooling themselves if they think they can dictate video standards to video professionals," he said. "Google's new format will see some usage, for example in YouTube, but will never reach anywhere close to the ubiquity of H.264."

Despite the confusion and the lack of complete agreement, the new video tag will unlock more of the power of video and make HTML less and less of a textual jungle and more and more of a video playground. It's too soon to stop teaching our kids to read, but maybe the handwriting -- er, the Webcam video is projected on the wall.

HTML5 will produce chattier widgets The widgets that run in IFrames have enabled sites to embed information from other sites for years, but they've always been limited by the security boundaries that keep each widget in a separate sandbox.

HTML5 offers a standard mechanism for these widgets to talk with each other. They still won't be able to reach into each other's sandbox, but they'll be able to send messages back and forth, coordinating their work and maybe even gossiping about the person typing at the keyboard.

Advertisers will drool at the chance to coordinate the behavior of disparate rectangles scattered across the page, and developers will surely find other practical uses. For instance, a tennis tournament might synchronize players on the left and the right of the page, an effect that may be so maddening that some will go running back to HTML 1.0.

However, this mechanism for sending messages is just a start. There's still a need to set standards for the information that's passed, so widgets stand a chance of speaking to each other even when they haven't been developed with a specific conversation in mind. In other words, they need more of a standard vocabulary.

HTML5 will improve security (maybe) Each browser plug-in is a separate program built by a different team of programmers with different standards, different release schedules, and different models for security. Naturally, some plug-ins are more secure than others. And as plug-ins proliferate they increase the complexity of keeping track of the security faults. Was it the plug-in or the browser that had that nasty hole at the end of last year? Was it fixed by updating the browser but not the plug-in or vice versa? Who can remember?

Replacing many plug-ins with features baked into HTML5 removes the dangers that any of these groups will make a mistake, or worse, that someone will use a plug-in API to deliberately install malicious code. If the security team auditing Firefox, Chrome, or IE does the job -- granted, that's a big if -- then the dangers will be fewer.

This claim of better security, though, is a bit of a wild guess. The devious minds may use their malice aforethought to take advantage of the nice integration, perhaps drawing PayPal logos with the Canvas object from scratch to impersonate the PayPal site. No one can predict what the dangerous minds will discover in the new capabilities of HTML5.

HTML5 will simplify Web development Bill Mill, a developer who works at Lookingglass Cyber Solutions, explains the change succinctly: "I mainly like HTML5 because it allows me to work in one unified environment, the browser plus JavaScript plus DOM, without having to switch back and forth between the Flash world and the HTML5 world. There is one language and one set of tools, not different ones for each plug-in."

He adds, "I think this is noticeable to the user too, where Flash blobs seem to exist in their own world within a Web page."

HTML5 offers one language (JavaScript), one data model (XML and DOM), and one set of layout rules (CSS) to bind text, audio, video, and graphics. The challenge of making something beautiful is still immense, but it's simpler to work with a unified standard.

Now, if only HTML5 came with the nice collection of tools that Adobe makes for Flash.

Related articles

What to expect from HTML5Support for the next generation of HTML is already appearing in today's browsers and Web pages. Are you ready to take advantage?HTML5 vs. Flash: The case for FlashSeven reasons Web designers will remain loyal to Flash for rich Web contentApple vs. Flash: The InfoWorld peace planWars like the conflict between Apple and Adobe over Flash seldom yield a productive outcome. InfoWorld proposes a way forwardStop bashing FlashWhen Steve Jobs and Microsoft's point man for IE agree, you have a right to be skepticalLights out for Flash and its RIA brethrenApple's ban on Flash for the iPhone is another nail in the coffin for proprietary RIA platforms -- and good riddance InfoWorld review: Flash Builder 4 lights up rich Internet app developmentFlash Builder 4 delivers time-saving tools that speed data delivery for Flex apps, streamlines testing and workflow for Flash and AIRInfoWorld review: Eight PHP power toolsEclipse PDT, NetBeans, NuSphere PhpED, and Zend Studio lead a capable field of IDEs for Web developers

Source : pcworld.com

Monday, June 21, 2010

Hire Dedicated PHP Programmers – PHP Programming Services

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Source :jazzou.com

Saturday, June 19, 2010

Hire PHP Developers from India for Better PHP Website Development Service

The development of diverse web technologies, numerous new platforms and applications, PHP has developed into exceedingly popular web technology – available freely and brought a new revolution in web development industry.

Maybe today it is one of the most commonly established programming languages that not just adds more practicality to website, but even facilitates valued customers to act together with the website through scripts. Hiring PHP developers has in fact appeared as one of the newest trends that every business owner is searching to choose in order to increase user friendly and extremely commercial websites.

These days, businesses owners are progressively more revolving towards offshore outsource PHP developers to get more eye-catching website. In fact, hiring PHP developers for offshore PHP development are whirling out to be the best feasible alternative as many of these professionals are extremely skilled and sustain high customary of work. Hiring PHP developers are budding out to be the most excellent options to effortlessly have CMS enabled websites, ERP applications, Shopping charts and even Back-end administration panels.

if you are searching for changing the outlook or design of your website, hiring PHP developers from India won’t be a bad idea at all. PHP developers from offshore outsource php development company can help you achieve online success with their highly professional and dedicated web development abilities.


Source : .news4i.com

Thursday, June 17, 2010

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Source : prfire.co.uk/

Wednesday, June 16, 2010

Permanent IT jobs 'returning to growth'

.NET and PHP skills in high demand

The IT jobs market is showing signs of recovery, particularly on the permanent side, according to Reed Specialist Recruitment.

Andrew Gardner, senior divisional director of the technology division of Reed Specialist Recruitment, said that the number of available permanent jobs was picking up again particularly in SMEs, as well as in the financial services sector and in software houses.

"As part of the downturn, our permanent team took a mauling, but over the last five or six months, it has started to pick up again.

"We are now looking to build our permanent teams back up to meet the demand," said Gardner.


Source : networkworld.com

'Hot' companies fail with web design, SEO

It was only last month when small online businesses blamed the limitations of the UK's current postal system for hindering their ability to grow.

In fact, a third of 700 UK-based companies tracked by eBay pointed the finger at Royal Mail, saying the postal service's shortcomings had slowed their expansion.

The online auctioneer, whose customers rely on the post, has backed their concerns by putting 'improved postal services' at the heart of its "manifesto" for online businesses.

But fresh data from BT suggests that online business, specifically the fastest growing ones in the UK, might have themselves to blame for their poor growth prospects.

Having scrutinised the 'Hot100' - the top firms of 2009, the company found that almost half are potentially missing out on sales due to broken pages on their websites.

An even greater need for freelance web experts was signalled by the 96 per cent of the examined firms who admitted that their website was not search engine optimised.

In other words, 9 out of 10 of the UK's fastest growing firms, with combined sales of more than £4.3bn, are yet to make their websites "easily indexable" for search engines.

More than four out of ten admitted to misusing or not using meta tags, meaning they have not told the likes of Google what the pages on their website are about.

"As more and more [people] are looking online to conduct their daily lives both personally and professionally, these businesses are really missing a trick,” BT said.

“These companies are top of the class for sales", said Ivan Croxford, a manager at BT Business, "but at the bottom when it comes to capturing potential customers online."

BT said signs of a successful site included a review of its code structure, content and linking strategy to afford it the best chance of outranking its rivals in search results.

In testing the Hot100, the teleco checked domain settings, gauged whether the site could be easily accessed by search engines and checked the correct tags were in place.

“Making some really simple changes.... generated over 2000 targeted visitors", said former BBC Apprentice finalist Claire Young, whose e-business was marked down in the BT study.

Pointing to the changes she subsequently made to Elegantvenues.co.uk, she said "it was a cost effective exercise that brought quick results and more potential customers."

Freelancer web developers with client companies who still remain to be convinced about the web might refer them to one other study by Creditsafe, a credit rating agency.

It found that one in ten private sector firms would refuse to 'do business' with a company that had no website, equating to 16 per cent of the Hot100 according to BT.

Yet in another show of strong feeling for postal services, as many as half of the firms polled by the agency said they would not trade with someone who only displayed a 'PO Box' address.

Source : freelanceuk.com

'Hot' companies fail with web design, SEO

It was only last month when small online businesses blamed the limitations of the UK's current postal system for hindering their ability to grow.

In fact, a third of 700 UK-based companies tracked by eBay pointed the finger at Royal Mail, saying the postal service's shortcomings had slowed their expansion.

The online auctioneer, whose customers rely on the post, has backed their concerns by putting 'improved postal services' at the heart of its "manifesto" for online businesses.

But fresh data from BT suggests that online business, specifically the fastest growing ones in the UK, might have themselves to blame for their poor growth prospects.

Having scrutinised the 'Hot100' - the top firms of 2009, the company found that almost half are potentially missing out on sales due to broken pages on their websites.

An even greater need for freelance web experts was signalled by the 96 per cent of the examined firms who admitted that their website was not search engine optimised.

In other words, 9 out of 10 of the UK's fastest growing firms, with combined sales of more than £4.3bn, are yet to make their websites "easily indexable" for search engines.

More than four out of ten admitted to misusing or not using meta tags, meaning they have not told the likes of Google what the pages on their website are about.

"As more and more [people] are looking online to conduct their daily lives both personally and professionally, these businesses are really missing a trick,” BT said.

“These companies are top of the class for sales", said Ivan Croxford, a manager at BT Business, "but at the bottom when it comes to capturing potential customers online."

BT said signs of a successful site included a review of its code structure, content and linking strategy to afford it the best chance of outranking its rivals in search results.

In testing the Hot100, the teleco checked domain settings, gauged whether the site could be easily accessed by search engines and checked the correct tags were in place.

“Making some really simple changes.... generated over 2000 targeted visitors", said former BBC Apprentice finalist Claire Young, whose e-business was marked down in the BT study.

Pointing to the changes she subsequently made to Elegantvenues.co.uk, she said "it was a cost effective exercise that brought quick results and more potential customers."

Freelancer web developers with client companies who still remain to be convinced about the web might refer them to one other study by Creditsafe, a credit rating agency.

It found that one in ten private sector firms would refuse to 'do business' with a company that had no website, equating to 16 per cent of the Hot100 according to BT.

Yet in another show of strong feeling for postal services, as many as half of the firms polled by the agency said they would not trade with someone who only displayed a 'PO Box' address.

Source : freelanceuk.com

'Hot' companies fail with web design, SEO

It was only last month when small online businesses blamed the limitations of the UK's current postal system for hindering their ability to grow.

In fact, a third of 700 UK-based companies tracked by eBay pointed the finger at Royal Mail, saying the postal service's shortcomings had slowed their expansion.

The online auctioneer, whose customers rely on the post, has backed their concerns by putting 'improved postal services' at the heart of its "manifesto" for online businesses.

But fresh data from BT suggests that online business, specifically the fastest growing ones in the UK, might have themselves to blame for their poor growth prospects.

Having scrutinised the 'Hot100' - the top firms of 2009, the company found that almost half are potentially missing out on sales due to broken pages on their websites.

An even greater need for freelance web experts was signalled by the 96 per cent of the examined firms who admitted that their website was not search engine optimised.

In other words, 9 out of 10 of the UK's fastest growing firms, with combined sales of more than £4.3bn, are yet to make their websites "easily indexable" for search engines.

More than four out of ten admitted to misusing or not using meta tags, meaning they have not told the likes of Google what the pages on their website are about.

"As more and more [people] are looking online to conduct their daily lives both personally and professionally, these businesses are really missing a trick,” BT said.

“These companies are top of the class for sales", said Ivan Croxford, a manager at BT Business, "but at the bottom when it comes to capturing potential customers online."

BT said signs of a successful site included a review of its code structure, content and linking strategy to afford it the best chance of outranking its rivals in search results.

In testing the Hot100, the teleco checked domain settings, gauged whether the site could be easily accessed by search engines and checked the correct tags were in place.

“Making some really simple changes.... generated over 2000 targeted visitors", said former BBC Apprentice finalist Claire Young, whose e-business was marked down in the BT study.

Pointing to the changes she subsequently made to Elegantvenues.co.uk, she said "it was a cost effective exercise that brought quick results and more potential customers."

Freelancer web developers with client companies who still remain to be convinced about the web might refer them to one other study by Creditsafe, a credit rating agency.

It found that one in ten private sector firms would refuse to 'do business' with a company that had no website, equating to 16 per cent of the Hot100 according to BT.

Yet in another show of strong feeling for postal services, as many as half of the firms polled by the agency said they would not trade with someone who only displayed a 'PO Box' address.

Source : freelanceuk.com