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Sudipta Deb's Questions & Answers

in Computers & Technology, Alternative Medicine& Cricket & Other Sports

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Total Points: 8147

Answers Given: 1692

Questions Asked: 26

Best Answers: 34

Can you tell me what does 3G phone mean? does it relates to GPRS?

Asked by sumeet darod in Cyber Culture at 3:55 AM on December 04, 2008

Sudipta Deb's Answer

3G is the third generation of standards and technology, superseding 2.5G. It is based on the International Telecommunication Union (ITU) family of standards under the IMT-2000.[1]
3G networks enable network operators to offer users a wider range of more advanced services while achieving greater network capacity through improved spectral efficiency. Services include wide-area wireless voice telephony, video calls, and broadband wireless data, all in a mobile environment. Additional features also include HSPA data transmission capabilities able to deliver speeds up to 14.4 Mbit/s on the downlink and 5.8 Mbit/s on the uplink.
Unlike IEEE 802.11 networks, which are commonly called Wi-Fi or WLAN networks, 3G networks are wide-area cellular telephone networks that evolved to incorporate high-speed Internet access and video telephony[2]. IEEE 802.11 networks are short range, high-bandwidth networks primarily developed for data.

Answered at 5:41 AM on December 04, 2008

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Which is the best ERP/SAP training institute apart from Siemens in Calcutta?

Asked by p chakrabort in Computers & Technology at 5:25 AM on December 04, 2008

Sudipta Deb's Answer

Where can you find a good SAP training in India

Source: http://www.sap.com/asia/servic es/educati...

SAP India Pvt Ltd
Victoria Layo,
30, Vaswani Victoria ,Victoria Road,
Bangalore, 560 025
India
Tel: (91) 80 4136 5555
Fax: (91) 80 4136 5550
E-mail: education.india@sap.com

SAP Education Partners
==================== ==
Source: www.sap.com/asia/services/educ ation/cent...

Siemens Information Systems Limited
5-9-19, 5th Floor
Lakshmi Narsinh Estate
Saifabad, OPP AP Secretariat
Hyderabad - 500004
Tel: (91) 40 23482800/1/2
Fax: (91) 40 23482804
Contact Person: Ms. Chaitanya, V
E-mail: V.Chaitanya@siemens.com

G enovate Solutions India Pvt. Ltd.
A Wing,First Floor
Phoenix House,Senapati Bapat Marg
Lower Parel, Mumbai 400 013
Tel: (91) 22 24901839/ 24982754/ 24901824/ 24981236
Contact Person: Mr.Krishnan / Mr. Fabian
E-mail: krishnan@genovate.com
or E-mail: fabian@genovate.com

Sieme ns Information Systems Limited
1st Floor, VIPPS Centre
2, Local Commercial Complex, Masjid Moth
Greater Kailash - 2 New Delhi - 110048
Tel: (91) 11 299220694/29220695/29220696/ 29220697/29221248/29216047/292 21247
Fax: (91) 11 29214685
Contact Person: Ms.Rochika Bhatia
E-mail: rochika.bhatia@siemens.com

Siemens Information Systems Limited
5th Floor, 144, Mahatma Gandhi Road
Nungambakkam Chennai - 600034
Tel: (91) 44 28334360/28334361/28334362
Fa x: (91) 44 28334366
Contact Person: Ms.Sangeeta Arora
E-mail: sapatcchen.in@siemens.com
Sie mens Information Systems Limited
43, Shantipally
E.M. Bypass. Rash Behari Connector
Kolkata - 700 042
Tel : (91) 33 24428641-49
Fax: (91) 33 24429930
Contact person : Ms.Debomitra Bose
E-mail: Debomitra.bose@siemens.com

Siemens Information Systems Limited
206, LOGOS , Ground Floor
The Bible Society Building
M.G Road
Bangalore - 560 001
Tel : (91) 80- 25095577 / 25095579
Contact persons : Ms. Shubha Ghargi / Prachi Garg
E-mail: sapatcblr.in@siemens.com
or E-mail: prachi.garg@siemens.com

G enovate Solutions Ahmedabad Pvt. Ltd.
308, 3rd floor, "Aatish",
Nr. Samarpan Flats, Off. C. G. Road,
Gulbai Tekra,
Ahmedabad 380 006
Tel: (91) 79 66315706, 66315707
Fax: (91) 79 66315708
Contact Person: Mr. J. Figueiredo
E-mail: figi@genovate.com

Genovat e Solutions (Cochin) Pvt. Ltd.
1st Floor, E M Commercial Centre,
Kunamthai,Near Milma, Edapally.
Cochin , Kerala - 682 024
Contact Person: Mathews Cherian
Mobile: +91-9847787503
Direct: +91-4843201837
E-mail: mathews.c@genovate.com
Contac t Person: Ramchandran Iyer
Mobile: +91-9847245698
Direct: +91-4843201838
E-mail: ram@genovate.com

Cognizan t Technology Solutions India Pvt. Ltd.
3rd Floor, Manchester Square,
14 Puliyakulam Road,
Coimbatore – 641037,
Tamil Nadu,India
Tel: (91) 422 6453308
Fax: (91) 422 3984060
Contact Person: Ms. K Yamuna Rani
E-mail: yamunarani.k@cognizant.com

Genovate Solutions Pune Pvt Ltd
Nuclues Mall, 5th Floor, 501/502,
Church Road, Camp, Opp Police Commissioner Office,
Pune 411001
India
Tel: (91) 020-30520219/30520220
Contact Person: Mr Anuraag Kaushal
E-mail: anuraag@genovate.com

Delp hi Computech Pvt Ltd
(SAP Online Contact Centre)
Madhura Towers, First Floor,
Untawadi Road, Near Dhonde Bridge,
Nasik, 422002, India
Tel: (91) 0253-2378623/24
Mobile: (91) 9850093179
Contact Person: Mr Pradeep Saggam
E-mail: pradeep@delphicomputech.com

Answered at 5:40 AM on December 04, 2008

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How call a method using a name string?

Asked by Lucky Singh in Computers & Technology at 8:32 AM on December 03, 2008

Sudipta Deb's Answer

VB6 introduced the CallByName function which allows you to call a function or subroutine using the subroutine or function name stored as a string value. While this function still works in ASP.NET, you do have another option: you can use the Invoke method of the MethodInfo class. This class is a member of the System.Reflection namespace and it provides access to a method's metadata. Consider the following subroutine:
Public Sub CallMe(ByVal arg1 As String, ByVal _
arg2 As String)

'do something

End Sub
To call this subroutine using the Invoke method, you can use code similar to the following:
Dim SubName As String = "CallMe"

Dim arguments() As String = _
{"Hello ", "world."}

Dim PageType As Type = Page.GetType()
Dim MyMethod As System.Reflection.MethodInfo = _
PageType.GetMethod(SubName)
MyMethod.Invoke(Page, arguments)
The GetMethod method obtains information about the function and the Invoke method calls it using the argument list. This is an excellent tool to help you streamline your code—especially if you have several different functions, but you won't know which one to call until runtime.

Answered at 9:25 AM on December 03, 2008

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Can different filters communicate in apache ?

Asked by ram lal in Computers & Technology at 5:36 AM on December 04, 2008

Sudipta Deb's Answer

You can register as many input and output filters with the same context as you which, making communication relatively easy. However, maybe you wish to communicate with completely separate filters. This is only likely to be "possible" or "useful" if the other filters are expecting such communication. However, Apache does provide an API for walking the chain of filters, which is anchored in the request structure:

ap_filter_t * output_filters
ap_filter_t * input_filters
where the ap_filter_t structure contains a pointer to information about the filter (its name, entry-point, type), its context and a chain to the next filter.

The "notes" field in the request is an apr-table which can provide a handy mechanism for storing information associated with a request if you can't share a filter context, as described in this post from Estrade Matthieu.

Answered at 5:38 AM on December 04, 2008

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How do I create new tasks in ant?

Asked by ram lal in Computers & Technology at 4:46 AM on December 04, 2008

Sudipta Deb's Answer

Create a Java class that extends org.apache.tools.ant.Task or another class that was designed to be extended.
For each attribute, write a setter method. The setter method must be a public void method that takes a single argument. The name of the method must begin with set, followed by the attribute name, with the first character of the name in uppercase, and the rest in lowercase*. That is, to support an attribute named file you create a method setFile. Depending on the type of the argument, Ant will perform some conversions for you, see below.
If your task shall contain other tasks as nested elements (like parallel), your class must implement the interface org.apache.tools.ant.TaskConta iner. If you do so, your task can not support any other nested elements. See below.
If the task should support character data (text nested between the start end end tags), write a public void addText(String) method. Note that Ant does not expand properties on the text it passes to the task.
For each nested element, write a create, add or addConfigured method. A create method must be a public method that takes no arguments and returns an Object type. The name of the create method must begin with create, followed by the element name. An add (or addConfigured) method must be a public void method that takes a single argument of an Object type with a no-argument constructor. The name of the add (addConfigured) method must begin with add (addConfigured), followed by the element name. For a more complete discussion see below.
Write a public void execute method, with no arguments, that throws a BuildException. This method implements the task itself.

Answered at 5:39 AM on December 04, 2008

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Are there free .NET decompilers? ?

Asked by Lucky Singh in Computers & Technology at 8:34 AM on December 03, 2008

Sudipta Deb's Answer

Reflector for .NET: Reflector is a .NET decompiler, featuring an excellent interface and fast, effective decompilation. Free add-ins extend Reflector's functionality, allowing for various useful operations. The FileDisassembler add-in will dump an assembly decompiled with Reflector to a set of source files that can then be searched for critical strings, or loaded, edited and recompiled.

Anakrino: Another .NET decompiler, although it is becoming dated.

Answered at 9:24 AM on December 03, 2008

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What about .NET decompilers that allow code to be submitted from browsers? ?

Asked by Lucky Singh in Computers & Technology at 8:37 AM on December 03, 2008

Sudipta Deb's Answer

Be careful. Those decompiler sites might preserve the source code of the files you submitted. It is best to download a free Java or .NET decompiler and run it locally.

Answered at 9:21 AM on December 03, 2008

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how protect .NET code from reverse engineering?

Asked by Lucky Singh in Computers & Technology at 8:36 AM on December 03, 2008

Sudipta Deb's Answer

Application vulnerabilities, Intellectual Property theft and revenue loss are among the most serious risks facing companies today. According to Business Software Alliance statistics, four out of every ten software programs is pirated in software business, world wide. Unauthorized access to source code can offer a quick back entrance into your systems, business processes and revenue streams. Global piracy rate has increased 40% over the past years and nearly $11 billion is lost. This is definitely a clear threat for software producers and thus to global economy.

With more than half of million developers with some level of access to .NET reengineering tools providing near instant access to source from any .NET binary, organizations across industries are entrusting on obfuscation to managing these risks. Over the years, several software protection techniques have been developed, code obfuscation is one of them and it is very promising.

Code obfuscation is a form of software protection against unauthorized reverse-engineering. The chief functions of any software protection technique can be determined as detection of pirate attempts to decipher or tamper software, protection against such attempts and alteration of software to ensure that it functionality degrades in an undetectable manner if the protection fails.

Skater .NET obfuscator performs the deciphering protection by various means that mainly concentrate on making the assembly members names meaningless, encrypting string values, and including tricking code commands that render disassembled code not recompilable

Answered at 9:22 AM on December 03, 2008

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What does a .NET decompiler do? ?

Asked by Lucky Singh in Computers & Technology at 8:37 AM on December 03, 2008

Sudipta Deb's Answer

.NET and Java decompilers are designed to input an executable file—e.g. .NET .exe or .dll files or Java .class or .jar files—and output a source file which can be compiled. Then, the file can be read, modified, and understood as a normal source file.

Answered at 9:20 AM on December 03, 2008

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How good are Java decompilers and .NET decompilers?

Asked by Lucky Singh in Computers & Technology at 8:34 AM on December 03, 2008

Sudipta Deb's Answer

Programs in Java or the .NET framework are easy to decompile. This is simply a reality of modern, intermediate-compiled languages. Both Java and .NET mutually share the use of expressive file syntax for delivery of executable code: bytecode in the case of Java, MSIL (Microsoft Intermediate Language) for .NET. Being much higher-level than binary machine code, the intermediate files contain identifiers and algorithms that are immediately observable and ultimately understandable.

Answered at 9:23 AM on December 03, 2008

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