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USMubashar Ahmad
 

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  1. USMubashar Ahmad
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    <p>I have been working as Software Developer since 2004, during the period I worked mostly in .Net, Java and PHP on the database side I have experities of MS SQL Server and also familiar with PostgreSQL, mySQL and SQLite. Most of my work revolves around server side technologies like Web Services, WCF services as well as tcp sockets. On the business domain side I have worked on Payment Processor specially integration with other payment processors in Australia, Europe and some Globally available like AMEX including some EMV enabled processors more over I also have experience in Banking Applications and Health Care applications. I am also familiar with mobile application development including Widnows Phone 7.1/8 and some experience in Android and Blackberry applications. </p> <p>Specialties: </p> <ul> <li>Currently working in Java and PHP since August 2012</li> <li>Distributed Application Design and Implementations</li> <li>Software Architecture and Design</li> <li>Payment Processing, Banking, Stock Exchange and Health Care</li> <li>EMV and/or Mag Stripe Integration with Verifone, FirstData, Amex, MIGS, WorldPay, Elavon, Kalixa</li> <li>.Net Framework 1.1 to 4.5 with C#/VB.Net</li> <li>.Net WinForms and Web</li> <li>Experience in WCF</li> <li>Database Design and Implementation with SQL Server 2005/2008</li> <li>Sockets</li> <li>MFC 6.0 and Win32 Programming using VC++ 6.0</li> <li>Familiar with J2ME and Android application development</li> <li>Familiar with Java, Axis2 and Jersey </li> <li>Familiar with MySQL and Postgres</li> <li>Few experience of CentOS, OpenBSD and Ubuntu</li> </ul>
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    1. POInputStream will not reset to beginning
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    2. PORabbitMQ C# connection trouble when using a username and password
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    3. POHow to validate string using regex in java
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    1. POLog Tail Viewer Control for .Net 3.5
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    2. POMyNullableCol <> 'MyValue' Doesn't Includes Rows where MyNullableCol IS NULL
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    3. PORegarding SQL Server Locking Mechanism
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      1. POHidden Features of C#?
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      1. POWCF timeout exception detailed investigation
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      1. POHow can I deploy my .NET app to Amazon EC2?
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    1. COYes you are absolutely right there is no argument over that but i was just to inform the questioner to not to take your advice in literal meaning :) thats all
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    2. COSo the ultimate goal of my experiment is to adjust the connection limit, locks and other preferences so that there are no deadlocks, no inaccuracy but max cpu utilization so the overall response time of my application becomes better than what its now and level of concurrency as well.
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    3. COI would like to share that currently i am running a test application on a 8 processor machine with 8 GM of RAM and using one select query(one connection with select query) total cpu usage of sql server goes to ~13% and with 10 connection to goes to the max. but when it comes to the mixture of select, update, delete and insert the total cpu usage comes down to ~35% only with 20 concurrent connections thats mean there are enough locks on resources those are waisting the remaining cpu usage.
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