Dec 03

Windows 7 is 234 per cent more popular than its predecessor. It’s official. OK, so that figure relates to the first few days of sales in the US, and the predecessor in question is Windows Vista, the Antichrist OS. Even so, pathologically mediocre as it may well be, Windows 7 has been well received.

What interests me is how this reflects a broader malaise that continues to blight the PC industry. What else but Microsoft’s ongoing near-monopoly can explain the continued success of an operating system that sports a near-total absence of real innovation?

The broader problem, therefore, involves the fact that the key components inside your PC, both software and hardware, are still owned by far too few companies. In just about any other industry of global import, the way Microsoft dominates the software landscape while Intel has the hardware platform largely sewn up and Google owns web searches would be viewed as unhealthy.

A handy analogue is the food industry in the US. If you’ve seen the recent documentary Food, Inc., you’ll know what I’m talking about. According to the film’s makers, key sectors in the US food industry have been whittled down from around 20 major players in the 1970s to just four mega-producers today. The result has been the emergence of a range of seriously unsavoury practices – the concentration of power in the hands of a handful of massive companies hasn’t done anyone any good. Except those companies, of course.

Compare that to the PC industry and, if anything, the concentration of power looks much, much worse. It’s a fact that both Microsoft and Intel, for example, have recently been subject to prosecutions for market abuses. But a plausible argument can still be made in terms of the benefits to the PC industry and end users. Together, Intel and Microsoft provided developers with a single, unified platform and a massive customer base. Thus was born the astonishing ecosystem of PC-compatible applications and devices we take for granted today.

Moreover, I suppose we should all be grateful for what little competition there has been. Without AMD and ATI to keep Intel and Nvidia honest, for instance, we might now be marvelling at the power of single-core Intel Pentium 5 processors and Nvidia GeForce 4900 TI graphics.

Similarly, I scarcely dare imagine what horrors the Beast of Redmond would have sired were it not for the threat, however remote, of Apple’s OS X and the open-source Linux operating system.

So, a lot of power and wealth may have been accumulated in the hands of a few thanks to the Wintel monopoly, but mankind has benefited enormously from the emergence of ubiquitous personal computing.

Still, if I’m convinced it’s all been worth it up to now, I’m equally sure the time has come for a more democratic wave of innovation. Fortunately, there are signs it’s already happening. Microsoft is increasingly under siege from all conceivable angles, whether it’s the success of Linux as an enterprise OS or the arguably even more lethal threat posed by the humble web browser. Who needs a complex operating system if all your applications are hosted online?

Intel’s hardware nut seems trickier to crack. Creating computer chips is a complex business – the idea of new entrants to the market is virtually inconceivable. However, the increasing importance of mobile devices might be the key. Currently, ultra-mobile computing is dominated not by Intel chips but by ARM’s processor architectures.
Crucially, ARM’s approach to producing CPUs is rather novel. In fact, ARM doesn’t really produce processors at all. Rather, it licenses out designs. This gives chipmakers the option of simply knocking out an off-the-shelf design or fusing an ARM processor architecture with its own technology to create something unique. As the remit for ultra-mobile devices expands over the next few years, so will the range and ability of ARM-based processors. Chips with all kinds of enhanced functions, from video decoding to cryptography acceleration, are likely to appear.

Intel recognises the threat posed by a plethora of purpose-built ARM processors and so has taken the bold step of licensing out the Atom processor architecture to TSMC, one of its main rivals in the chip production business. Again, the idea is to allow the Atom core to be combined with a range of third-party circuitry.

All of which means we’re poised for a battle royal between ARM and Intel in the ultra-mobile segment. Google, meanwhile, might just provide a similar foil for Microsoft. The result would be a perfect storm of hardware and software innovation. If that happens, the mediocrity of Windows 7 will be but a distant memory.

Tags: amd, Apple, application, business, circuit, Computer, Computing, CPU, developers, device, google, Hardware, Health, Innovation, linux, memory, microsoft, Mobile Devices, processor, rms, Software, system, Technology, Vista, web, Windows, XP
Sep 13

IBM recently published an article on the use of WS-ReliableMessaging between WebSphere 6.1 and Axis2. Most interesting I found the part on the Quality of Service of WS-RM:

  • Unmanaged non-persistent tolerates network and remote system failures. You can configure Web service applications to use WS-RM with a default in-memory message store. This QoS requires minimal configuration; it is for a single server only and does not support clusters. Although this QoS allows for the re-sending of messages that are lost in the network, failure of a server results in lost messages. The default is unmanaged non-persistent.
  • Managed non-persistent tolerates system, network, and remote system failures, but state is discarded after the messaging engine restarts. This in-memory QoS option supports clusters as well as single servers. This option uses a messaging engine to manage the sequence state, and messages are written to disk if memory is low. This QoS allows for the resending of messages that are lost in the network, and can also recover from server failure. However, a failure of the messaging engine causes message loss.
  • Managed persistent tolerates system, network, and remote system failures. This QoS for asynchronous Web service invocations is recoverable. This option also uses a messaging engine and message store to manage the sequence state. Messages are persisted at the Web service requester server and at the Web service provider server, and are recoverable if the server fails. Messages that have not been successfully transmitted when a server fails can continue to be transmitted after the server restarts.

QoS of WS-RM is actually not part of any standard. Most implementations of WS-RM are non-persistent, in particular Microsoft WCF and Sun’s Metro. And that is in my opinion the major shortcoming of the WS-* story. The WS-RX committee should have made message persistence part of the WS-RM spec and/or the WS-RM Policy spec.

Anyway, IBM has a persistent implementation of WS-RM. And so has SAP: SAP doesn’t even give you the option and uses persistent WS-RM as its default. Well done by SAP, although the SAP implementation is based on an older version of the WS-RM spec (WS-RM 2005/02.)

What I don’t find are reports of the use of persistent WS-RM between stacks of different vendors, e.g. between IBM and SAP. Maybe we’ll need to have a go ourselves one day?

Tags: application, blog, google, implementation, implementations, memory, microsoft, network, persistence, sap, Server, servers, service invocation, stack, system, web, websphere
Jul 31

In computer science image processing is a process in which the input is an image, such as photographs or frames of video and the output of image processing can be either an image or a set of characteristics or parameters related to the image.

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Tags: blog, Computer, information, maps, memory, parameters, photographs, storage, web, XP
Jul 29


The unit is actually a Pentium Dual Core Processor with 1 GB DDR2 Memory, the system actually runs normally except when you try to save or save_as a file(particularly in Word and Excel), the saving path takes some time to appear(around 2 min) and that the user becomes impatient especially if he is in a hurry in his work.

I troubleshoot the problem, I tried everything from replacement of application program to virus check up, I even suggested that we will reformat it, but the user insist that reformatting should be the last option since they have a very important application that is difficult to restore.

I spent a little more time in troubleshooting the problem and I found out that the cause of it all is a non existing network drive,what happen is that application tries to locate the missing network drive causing it to stack for a while when you click the Save path drop down button as seen it the picture.I remove the non existing network drive in the system and everything backs to normal.

Next time you encounter same or similar problem make sure to check if there is a dead network drive mapped in your system, it may solve the problem.

God Bless!

Tags: application, blog, iss, memory, network, processor, stack, system
Jul 28


jkiwi is a very unique software ever seen in linux. It won the national open source contest in Portugal. It can be used for hairstyling, concealer paint, eye shadows, blush, contact lenses for eye colors, change lip colors. Yes you can share it with your friend after loading it in your laptop.

Kiwi works best with images in .jpg or .png format and you should use a vertical image in one of the resolutions (480×640, 600×800, 768×1024). Larger images is not recomended due to memory size and overall application speed.

How to install jkiwi in ubuntu / debian
Download the .deb file from here (32 MB in size)
now
$ sudo dpkg -i jkiwi_0.9.5_ubuntu.deb
official site
It requires jre 5 or greater to run.

Tags: application, blog, laptop, linux, memory, Software