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Wednesday, September 30, 2009

Offshore PHP Programmer

Author: linksswap

Do you have immediate need for PHP enabled website? Do you need a dedicated offshore PHP programmer for your website development? And you are also looking for cost effectiveness too? Get a firm answer to your queries right here at Web Art Sense!

Yes! When it is Web Art Sense, you would get comprehensive range of web development solutions for your business needs. We ensure that you get customized, reliable and quality oriented PHP development service that matches your requirements.

Some of the other qualitative benefits of hiring dedicated Offshore PHP Programmer through Web Art Sense are:

• Low Cost PHP Website Development that would gel perfectly with your business.
• Customized and Optimized Open Source Customization and PHP Web Development.
• Reduced Overhead costs, as the result of outsourcing.
• Dedicated programmer which will work in your facility along with your employees. This would ensure high level of interaction between the in house management and PHP Programmer, and, which would in turn help in fast completion of projects.
• Round the clock technical support available to you as well as your partner clients.
• You can make instant changes in your website design or its database, as you can directly approach dedicated PHP Programmer.
• Our dedicated PHP Programmer would be flexible with your business requirements.
• One Project, One Dedicated PHP Programmer, i.e. is our allocation criteria.
• Weekly Reporting on the status and development of the project.

At Web Art Sense, we offer plethora of web services, which include:

Customized Web based Application Development
SEO and Internet Marketing
Open Source Customization
E-commerce Development
M Commerce Development

When you hire a dedicated offshore PHP programmer through Web Art Sense, you get”

Complete reliability in work
Enhanced Interaction with your and your partner clients
Schedule meetings according to your privileged time
Hard working and desiccated programmer
Interact Online, anytime

Hiring a dedicated PHP programmer through Web Art Sense is truly a matter of privilege, as he can give real definition to your web based projects in a fast, cost effective and efficient manner.

About the Author:

For more info please Visit at Web Art Sense to know more about Web Development Company
PHP Programmers, Hire PHP Developers, PhP Development Services
or info@webartsense.com
: Dedicated

Article Source: ArticlesBase.com - Offshore PHP Programmer

Tuesday, September 29, 2009

Asp.Net Web Development VS Classic Asp Web Development

Author: James Coleman

Since years we have seen the growing popularity of .net development services. These services have helped the .net developers to come up with different techniques that have provided new features to the websites designed today. With the emergence of asp.net web development it has become easier to design websites which are user-friendly as well as highly impressive.

Asp.net web development has come up to be more superior than the Asp Classic web development. The .net development services offered by different software firms have allowed the .net developers to create more user-friendly websites. The asp.net development professionals find Asp.net web development far much better than the clasic asp web development in many ways. Some the most important areas in which the Asp.net is better than Asp Classic include the ones mentioned below:

•Stability - It has been found that Asp.net is not susceptible to any kind of application crashes which incur during the functioning of application built in classic asp which runs under the inetinfo.exe (IIS) process. This means that the programming achieved with the help of Asp.net would be much more stable as compared to the programming achieved using Asp Classic.

•Language Support - While only VBScript and Javascript languages are used for scripting in Asp Classic, there are no such restrictions in Asp .net. The Asp.net allows the use of full server side programming languages and not just the scripting languages. With Asp.net you can use programming languages like C# and VB.net which allow the development of robust and extremely interactive web applications.

•Compilation - Asp.net allows you to compile the code the very first time it is being accessed. The compiled code then results in .Net classes which allow the servicing of the subsequent page requests with the previously compiled code. In contrast to this, the classic Asp is comprised of VBScript or Jscript interpreted at run-time which means the compilation is being carried out line-by-line. This simply results in some or the other kind of inefficiency.

•Scalability - Using the classic Asp web applications, it makes it difficult to update, maintain and replace the components used by the web pages. In simple terms, updating a component using classic Asp applications would require the shutting down of IIS, replacement of the component and then finally restarting the IIS. This process is too-lengthy. On the other hand, using Asp.net you can easily update the components in a less time-consuming manner. The recently launched “XCOPY” deployment model of Asp.net allows the replacement of web pages and components in real-time without the need for restarting of the web server. Hence, Asp.net tools help in achieving more stable web applications as compared to the classic Asp tools.

The .net development services have proved to be a boon to all the developers working on the .net platform. It has also been found that the Asp.net web development is anytime better than the normal Asp web development because of its exclusive features. Also the introduction of latest versions of Asp.net has been extremely helpful in the creation of feature-rich websites that serve the purposes of different business organizations all over the world.

About the Author:

James Coleman writes for Technousa where you can read more about - .net development services and asp.net web development.

Article Source: ArticlesBase.com - Asp.Net Web Development VS Classic Asp Web Development

Wednesday, September 23, 2009

Dot Net Development: LINQ improves the productivity of a developer

Author: Tyler Moon

Microsoft Language Integrated Query (LINQ) offers developers a latest way to query data using strongly-typed queries and strongly-typed results, frequent across a number of dissimilar data types including relational databases, .NET objects, and XML. With the help of strongly-typed queries and results, LINQ improves the productivity of a developer with the benefits of IntelliSense and compile-time error checking.

LINQ to SQL

LINQ to SQL is an object-relational mapping (ORM) framework which ensures the direct 1-1 mapping of a Microsoft SQL Server database to .NET classes, and query of the resultant objects using LINQ. More specifically, LINQ to SQL has been developed with a goal to rapidly develop the scenario against Microsoft SQL Server where the database is very similar to the application object model and the primary concern is amplified developer productivity.

LINQ to Entities

LINQ to Entities is, exclusively, a part of the ADO.NET Entity Framework which permits LINQ query capabilities. The Entity Framework is the fruition of ADO.NET that enables developers to program in terms of the standard ADO.NET abstraction or in terms of persistent objects (ORM) and is built upon the standard ADO.NET Provider model that ensures an access to third party databases. The Entity Framework harbingers a new set of services around the Entity Data Model (EDM).

LINQ to DataSet

LINQ is one of the best ways to make queries and set based operations first class citizens in the .NET world. It enables queries to be printed in the development language, and provides compile time type checking. In addition, LINQ ensures full power of the framework to be used when writing queries. LINQ to DataSets bestows this power to your DataSet based application.

Technical Articles

The major scenarios for which each of these technologies have been designed:

Webcasts: It is the Entity Framework for Database Administrators (Level 200) which is a new data technology from Microsoft that may chiefly rouse the interest of database administrators (DBAs).

Framework Masterclass: LINQ to SQL (Level 200) is a Microsoft .NET Language Integrated Query (LINQ) that provides a familiar way to work with data in your applications.

Introducing LINQ to DataSet (Level 200):

Exploration of new technologies within Microsoft Visual Studio code name "Orcas" make working with data a better practice. One such technology is Microsoft .NET Language Integrated Query (LINQ), code name for a set of extensions to the Microsoft .NET Framework that include language-integrated data query, set, and change operations.

Microsoft Language Integrated Query (LINQ) makes way for the dot net development a latest way to query data using strongly-typed queries and strongly-typed results.

About the Author:

Tyler Moon is an expert in article writing and internet marketing. She regularly contributes articles on various topics like security services, birth announcements etc.

Article Source: ArticlesBase.com - Dot Net Development: LINQ improves the productivity of a developer

Monday, September 14, 2009

Using ODBC with PHP

Using ODBC with PHP ODBC is one of Microsoft's earliest technologies for connecting to databases. It is very popular and widely used. This article describes how to setup and use ODBC from a PHP perspective.

Also see DSN-less connections with PHP.

What is ODBC?

Open DataBase Connectivity is an Application Programming Interface (API) that allows a programmer to abstract a program from a database. When writing code to interact with a database, you have to add code that talks to a particular database using a proprietary API. If you want your program to talk to an Access, FoxPro and Oracle databases you have to code your program with three different database API's. This can be quite the daunting task causing much grief. Now, enter ODBC...

When programming to interact with ODBC you only need to use the ODBC API (a combination of ODBC extension function calls and the SQL language) to talk to different database products. The ODBC Manager will figure out how to contend with the type of database you are targeting. Regardless of the database type you are using, all of your calls will be to the ODBC API. All that you need to do is have installed an ODBC driver that is specific to the type of database you will be using.

Creating A ODBC Data Source Name (DSN)

After you have ensured that the ODBC driver for your database is installed, you normally need to create a Data Source Name (DSN), which contains all the connection details required to login (accept maybe id and password).

Walkthrough: How to Setup a DSN. A pictorial step-by-step guide. The next button is hidden on the bottom-right. Sorry but we Windows programmers are not user interface experts ;-)

Continue reading here

Tuesday, September 8, 2009

10 reasons why PCs crash U must Know

Fatal error: the system has become unstable or is busy," it says. "Enter to return to Windows or press Control-Alt-Delete to restart your computer. If you do this you will lose any unsaved information in all open applications."

You have just been struck by the Blue Screen of Death. Anyone who uses Mcft Windows will be familiar with this. What can you do? More importantly, how can you prevent it happening?

1 Hardware conflict

The number one reason why Windows crashes is hardware conflict. Each hardware device communicates to other devices through an interrupt request channel (IRQ). These are supposed to be unique for each device.

For example, a printer usually connects internally on IRQ 7. The keyboard usually uses IRQ 1 and the floppy disk drive IRQ 6. Each device will try to hog a single IRQ for itself.

If there are a lot of devices, or if they are not installed properly, two of them may end up sharing the same IRQ number. When the user tries to use both devices at the same time, a crash can happen. The way to check if your computer has a hardware conflict is through the following route:

* Start-Settings-Control Panel-System-Device Manager.

Often if a device has a problem a yellow '!' appears next to its description in the Device Manager. Highlight Computer (in the Device Manager) and press Properties to see the IRQ numbers used by your computer. If the IRQ number appears twice, two devices may be using it.

Sometimes a device might share an IRQ with something described as 'IRQ holder for PCI steering'. This can be ignored. The best way to fix this problem is to remove the problem device and reinstall it.

Sometimes you may have to find more recent drivers on the internet to make the device function properly. A good resource is www.driverguide.com. If the device is a soundcard, or a modem, it can often be fixed by moving it to a different slot on the motherboard (be careful about opening your computer, as you may void the warranty).

When working inside a computer you should switch it off, unplug the mains lead and touch an unpainted metal surface to discharge any static electricity.

To be fair to Mcft, the problem with IRQ numbers is not of its making. It is a legacy problem going back to the first PC designs using the IBM 8086 chip. Initially there were only eight IRQs. Today there are 16 IRQs in a PC. It is easy to run out of them. There are plans to increase the number of IRQs in future designs.

2 Bad Ram

Ram (random-access memory) problems might bring on the blue screen of death with a message saying Fatal Exception Error. A fatal error indicates a serious hardware problem. Sometimes it may mean a part is damaged and will need replacing.

But a fatal error caused by Ram might be caused by a mismatch of chips. For example, mixing 70-nanosecond (70ns) Ram with 60ns Ram will usually force the computer to run all the Ram at the slower speed. This will often crash the machine if the Ram is overworked.

One way around this problem is to enter the BIOS settings and increase the wait state of the Ram. This can make it more stable. Another way to troubleshoot a suspected Ram problem is to rearrange the Ram chips on the motherboard, or take some of them out. Then try to repeat the circumstances that caused the crash. When handling Ram try not to touch the gold connections, as they can be easily damaged.

Parity error messages also refer to Ram. Modern Ram chips are either parity (ECC) or non parity (non-ECC). It is best not to mix the two types, as this can be a cause of trouble.

EMM386 error messages refer to memory problems but may not be connected to bad Ram. This may be due to free memory problems often linked to old Dos-based programmes.

3 BIOS settings

Every motherboard is supplied with a range of chipset settings that are decided in the factory. A common way to access these settings is to press the F2 or delete button during the first few seconds of a boot-up.

Once inside the BIOS, great care should be taken. It is a good idea to write down on a piece of paper all the settings that appear on the screen. That way, if you change something and the computer becomes more unstable, you will know what settings to revert to.

A common BIOS error concerns the CAS latency. This refers to the Ram. Older EDO (extended data out) Ram has a CAS latency of 3. Newer SDRam has a CAS latency of 2. Setting the wrong figure can cause the Ram to lock up and freeze the computer's display.

Mcft Windows is better at allocating IRQ numbers than any BIOS. If possible set the IRQ numbers to Auto in the BIOS. This will allow Windows to allocate the IRQ numbers (make sure the BIOS setting for Plug and Play OS is switched to 'yes' to allow Windows to do this.).

4 Hard disk drives

After a few weeks, the information on a hard disk drive starts to become piecemeal or fragmented. It is a good idea to defragment the hard disk every week or so, to prevent the disk from causing a screen freeze. Go to

* Start-Programs-Accessories-System Tools-Disk Defragmenter

This will start the procedure. You will be unable to write data to the hard drive (to save it) while the disk is defragmenting, so it is a good idea to schedule the procedure for a period of inactivity using the Task Scheduler.

The Task Scheduler should be one of the small icons on the bottom right of the Windows opening page (the desktop).

Some lockups and screen freezes caused by hard disk problems can be solved by reducing the read-ahead optimisation. This can be adjusted by going to

* Start-Settings-Control Panel-System Icon-Performance-File System-Hard Disk.

Hard disks will slow down and crash if they are too full. Do some housekeeping on your hard drive every few months and free some space on it. Open the Windows folder on the C drive and find the Temporary Internet Files folder. Deleting the contents (not the folder) can free a lot of space.

Empty the Recycle Bin every week to free more space. Hard disk drives should be scanned every week for errors or bad sectors. Go to

* Start-Programs-Accessories-System Tools-ScanDisk

Otherwise assign the Task Scheduler to perform this operation at night when the computer is not in use.

5 Fatal OE exceptions and VXD errors

Fatal OE exception errors and VXD errors are often caused by video card problems.

These can often be resolved easily by reducing the resolution of the video display. Go to

* Start-Settings-Control Panel-Display-Settings

Here you should slide the screen area bar to the left. Take a look at the colour settings on the left of that window. For most desktops, high colour 16-bit depth is adequate.

If the screen freezes or you experience system lockups it might be due to the video card. Make sure it does not have a hardware conflict. Go to

* Start-Settings-Control Panel-System-Device Manager

Here, select the + beside Display Adapter. A line of text describing your video card should appear. Select it (make it blue) and press properties. Then select Resources and select each line in the window. Look for a message that says No Conflicts.

If you have video card hardware conflict, you will see it here. Be careful at this point and make a note of everything you do in case you make things worse.

The way to resolve a hardware conflict is to uncheck the Use Automatic Settings box and hit the Change Settings button. You are searching for a setting that will display a No Conflicts message.

Another useful way to resolve video problems is to go to

* Start-Settings-Control Panel-System-Performance-Graphics

Here you should move the Hardware Acceleration slider to the left. As ever, the most common cause of problems relating to graphics cards is old or faulty drivers (a driver is a small piece of software used by a computer to communicate with a device).

Look up your video card's manufacturer on the internet and search for the most recent drivers for it.

6 Viruses

Often the first sign of a virus infection is instability. Some viruses erase the boot sector of a hard drive, making it impossible to start. This is why it is a good idea to create a Windows start-up disk. Go to

* Start-Settings-Control Panel-Add/Remove Programs

Here, look for the Start Up Disk tab. Virus protection requires constant vigilance.

A virus scanner requires a list of virus signatures in order to be able to identify viruses. These signatures are stored in a DAT file. DAT files should be updated weekly from the website of your antivirus software manufacturer.

An excellent antivirus programme is McAfee VirusScan by Network Associates ( www.nai.com). Another is Norton AntiVirus 2000, made by Symantec ( www.symantec.com).

7 Printers

The action of sending a document to print creates a bigger file, often called a postscript file.

Printers have only a small amount of memory, called a buffer. This can be easily overloaded. Printing a document also uses a considerable amount of CPU power. This will also slow down the computer's performance.

If the printer is trying to print unusual characters, these might not be recognised, and can crash the computer. Sometimes printers will not recover from a crash because of confusion in the buffer. A good way to clear the buffer is to unplug the printer for ten seconds. Booting up from a powerless state, also called a cold boot, will restore the printer's default settings and you may be able to carry on.

8 Software

A common cause of computer crash is faulty or badly-installed software. Often the problem can be cured by uninstalling the software and then reinstalling it. Use Norton Uninstall or Uninstall Shield to remove an application from your system properly. This will also remove references to the programme in the System Registry and leaves the way clear for a completely fresh copy.

The System Registry can be corrupted by old references to obsolete software that you thought was uninstalled. Use Reg Cleaner by Jouni Vuorio to clean up the System Registry and remove obsolete entries. It works on Windows 95, Windows 98, Windows 98 SE (Second Edition), Windows Millennium Edition (ME), NT4 and Windows 2000.

Read the instructions and use it carefully so you don't do permanent damage to the Registry. If the Registry is damaged you will have to reinstall your operating system. Reg Cleaner can be obtained from www.jv16.org

Often a Windows problem can be resolved by entering Safe Mode. This can be done during start-up. When you see the message "Starting Windows" press F4. This should take you into Safe Mode.

Safe Mode loads a minimum of drivers. It allows you to find and fix problems that prevent Windows from loading properly.

Sometimes installing Windows is difficult because of unsuitable BIOS settings. If you keep getting SUWIN error messages (Windows setup) during the Windows installation, then try entering the BIOS and disabling the CPU internal cache. Try to disable the Level 2 (L2) cache if that doesn't work.

Remember to restore all the BIOS settings back to their former settings following installation.

9 Overheating

Central processing units (CPUs) are usually equipped with fans to keep them cool. If the fan fails or if the CPU gets old it may start to overheat and generate a particular kind of error called a kernel error. This is a common problem in chips that have been overclocked to operate at higher speeds than they are supposed to.

One remedy is to get a bigger better fan and install it on top of the CPU. Specialist cooling fans/heatsinks are available from www.computernerd.com or www.coolit.com

CPU problems can often be fixed by disabling the CPU internal cache in the BIOS. This will make the machine run more slowly, but it should also be more stable.

10 Power supply problems

With all the new construction going on around the country the steady supply of electricity has become disrupted. A power surge or spike can crash a computer as easily as a power cut.

If this has become a nuisance for you then consider buying a uninterrupted power supply (UPS). This will give you a clean power supply when there is electricity, and it will give you a few minutes to perform a controlled shutdown in case of a power cut.

It is a good investment if your data are critical, because a power cut will cause any unsaved data to be lost.

Tuesday, September 1, 2009

Windows XP Hidden Application

To run any of these apps go to Start > Run and type the executable name (ie charmap).

WINDOWS XP HIDDEN APPS:
=========================================

1) Character Map = charmap.exe (very useful for finding unusual characters)

2) Disk Cleanup = cleanmgr.exe

3) Clipboard Viewer = clipbrd.exe (views contents of Windows clipboard)

4) Dr Watson = drwtsn32.exe (Troubleshooting tool)

5) DirectX diagnosis = dxdiag.exe (Diagnose & test DirectX, video & sound cards)

6) Private character editor = eudcedit.exe (allows creation or modification of characters)

7) IExpress Wizard = iexpress.exe (Create self-extracting / self-installing package)

8) Microsoft Synchronization Manager = mobsync.exe (appears to allow synchronization of files on the network for when working offline. Apparently undocumented).

9) Windows Media Player 5.1 = mplay32.exe (Retro version of Media Player, very basic).

10) ODBC Data Source Administrator = odbcad32.exe (something to do with databases)

11) Object Packager = packager.exe (to do with packaging objects for insertion in files, appears to have comprehensive help files).

12) System Monitor = perfmon.exe (very useful, highly configurable tool, tells you everything you ever wanted to know about any aspect of PC performance, for uber-geeks only )

13) Program Manager = progman.exe (Legacy Windows 3.x desktop shell).

14) Remote Access phone book = rasphone.exe (documentation is virtually non-existant).

15) Registry Editor = regedt32.exe [also regedit.exe] (for hacking the Windows Registry).

16) Network shared folder wizard = shrpubw.exe (creates shared folders on network).

17) File siganture verification tool = sigverif.exe

18) Volume Contro = sndvol32.exe (I've included this for those people that lose it from the System Notification area).

19) System Configuration Editor = sysedit.exe (modify System.ini & Win.ini just like in Win98! ).

20) Syskey = syskey.exe (Secures XP Account database - use with care, it's virtually undocumented but it appears to encrypt all passwords, I'm not sure of the full implications).

21) Microsoft Telnet Client = telnet.exe

22) Driver Verifier Manager = verifier.exe (seems to be a utility for monitoring the actions of drivers, might be useful for people having driver problems. Undocumented).

23) Windows for Workgroups Chat = winchat.exe (appears to be an old NT utility to allow chat sessions over a LAN, help files available).

24) System configuration = msconfig.exe (can use to control starup programs)

25) gpedit.msc used to manage group policies, and permissions