How should I start with EJB programming?

I have more than one year's programming experience in developing complicated data-driven web applications.
Now I decide to use EJB to build new web applications, how should I start?
Should I take a professional training class or just read several EJB books? I have Ed Roman's EJB book, it is great.
Thanks for your reply in advance.
James

I think you start of by reading the EJB book by Ed Roman.It's free and availaible at www.theserverside.com.
Read the first few chapters.
Another good book is Richard-Monson Haefel's EJB published by Orielly.
Start of by coding a few examples of stateless session beans on an easily deployable server like the J2EE server, available from this website.
Your next aim should be to understand Entity beans and the issues surrounding container managed persistance and bean managed persistance.
Voila in no time you wil be a champ.

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Thanks
Sagar

I think it's best you start here:
http://java.sun.com/products/javacard/index.jsp
Some hints about books/specs you can find in this post:
http://forum.java.sun.com/thread.jspa?forumID=23&threadID=5114170
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How should i start with web dyn pro abap

Hi,
I have been working on webdynpro java now i would like to start working on webdynpro abap
could any one tel me how should i start with it.. pdfs, blogs would surely help??
i do have sufficient knowledge of abap too..
some brief idea about what is "web dynpro for abap" would surely help me
Thank u in advance...

hi,
please do a search before posting for basic questions, i searched the same and got around 700 hit.
any ways check these links.
As the name suggests Web Dynpro for ABAP uses exactly the same meta model as its cousin Web Dynpro for Java. A Web Dynpro component, a Web Dynpro view, a Web Dynpro model, a Web Dynpro controller have the same semantics both for ABAP and Java. The main difference is the designtime environment, the development infrastructure and the runtime environment.
The designtime environment is properly embedded in the ABAP Workbench where Web Dynpro artifacts are simply a new category like BSP applications or classical dynpro based applications before. Also no surprises regarding the development infrastructure. The correction and transport system keeps track on all changes that are done, versions them and helps to propagate the Web Dynpro application from development to production like you would do with ordinary BSP or dynpro-based applications.
Last not least the execution platform is the ABAP server that produces application content ready to be integrated in the NetWeaver Portal seamlessly. Features like portal eventing can be used between applications written in ABAP or applications developed with Java.
The following r excellent websites containing PDF & PPT docs on ABAP Web Dynpro:
Web Dynpro for ABAP in SDN
https://www.sdn.sap.com/irj/sdn/developerareas/webdynpro?rid=/webcontent/uuid/512040e1-0901-0010-769c-c238c6ca35d9
Developing ABAP Applications Using Web Dynpro
http://help.sap.com/saphelp_nw2004s/helpdata/en/42/d41b25d2216babe10000000a1553f6/frameset.htm
Web Dynpro ABAP: Development in Detail
http://help.sap.com/saphelp_nw2004s/helpdata/en/03/0048413e466e24e10000000a155106/frameset.htm
WDA Sample programs & tutorials
https://www.sdn.sap.com/irj/sdn/developerareas/webdynpro?rid=/library/uuid/49f2ea90-0201-0010-ce8e-de18b94aee2d
Web Dynpro ABAP Demonstration Videos
Web Dynpro ABAP Demonstration Videos
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/28113de9-0601-0010-71a3-c87806865f26?rid=/webcontent/uuid/fed073e5-0901-0010-4eb4-c9882aac7b11
SAP Web Dynpro Overview
http://wendtstud1.hpi.uni-potsdam.de/sysmod-seminar/SS2005/presentations/12-WebDynpro-Overview.ppt
Web Dynpro General Concepts
https://admin.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/30ea953b-8e57-2910-4e85-f7be60b00407
Web Dynpro
http://help.sap.com/saphelp_nw2004s/helpdata/en/15/0d4f21c17c8044af4868130e9fea07/frameset.htm
Web Dynpro for ABAP: Tutorials for Beginners
Web Dynpro for ABAP: Tutorials for Beginners
Developing ABAP applications using Web Dynpro Configuration Scenario
http://www50.sap.com/businessmaps/8729920B31E343F099B71340B15F06DB.htm
Web Dynpro for ABAP
http://www.vnsg.nl/temp/508773747/A1-WDA_Themadag.pdf
Yogesh N

Creating a form with WebDB - how should I start ?

Hi,
Since I am a beginner in this area and nobody can help me at the office (but deadline is very close:) I hope somebody can help me at this forum..
So my problem is the followng:
I have a table 'Entity' with columns:
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There is already implemented a form for Defining new entity. That form introduces Version = '1.1-0' (by default) and PreVersion = 'N/A' (by default), and of course Name and others are introduced by end user.
Now I have to implement a form for creating a new version from a specific Name and from an existing version (of course at the beginning there will exist only versions 1.1-0)
So I don't have idea at the moment which kind of form should I start with: forms on stored procedures or forms on tables/views or other type ?
The form should work in the following way:
when user executes it, he/she must give the Name and Version (from which new version must be created) and then a new row must be inserted with values copied from previous row (or if it's easier with NULL values); BUT Version of the new row must be a value entered by end user and PreVersion of new row must be the value of Version of the modified (previous) row.
For me it's difficult to imagine how can I solve a kind of parametrization in the form. I mean let say I have two columns in the form definition: Ent_name and Version where user gives the searching criteria i.e. Version and Name value of the row which must be modified, but how can I refference them in a SQL code let say added for example in 'Advanced PL/SQL Code' menu of form definition ?
I would appreciate any good idea just to give me a kick in what way sould I start ...
Br.
Szilard

Hi,
You can reference the columns in the additional plsql code using session variables. All the columns are referred with 'A_' prefixed to the name of the column. You can make use of p_session.get_value_as_<datatype> to get values and p_session.set_value to assign values to these columns.
Here is an example
declare
flightno number;
ticketno varchar2(30);
tdate date;
persons number;
blk varchar2(10) := 'DEFAULT';
begin
flightno := p_session.get_value_as_varchar2(
p_block_name => blk,
p_attribute_name => 'A_FLIGHT_NO');
ticketno := p_session.get_value_as_varchar2(
p_block_name => blk,
p_attribute_name => 'A_TICKET_NO');
tdate := p_session.get_value_as_date(
p_block_name => blk,
p_attribute_name => 'A_TRAVEL_DATE');
persons := p_session.get_value_as_number(
p_block_name => blk,
p_attribute_name => 'A_NOF_PERSONS');
p_session.set_value(
p_block_name => blk,
p_attribute_name => 'A_FLIGHTNO',
p_value => to_char(NULL)
p_session.set_value(
p_block_name => blk,
p_attribute_name => 'A_TICKETNO',
p_value => to_char(NULL)
p_session.set_value(
p_block_name => blk,
p_attribute_name => 'A_TRAVEL_DATE',
p_value => to_char(NULL)
Hope this helps.
Thanks,
Sharmila

FAQ: Common Lightroom workflows, or How do I get started with this program?

Starting to use a new application can be intimidating, especially one as sophisticated as Lightroom. Here is a handy list of resources to help you with your Lightroom workflow:
Getting Started Tutorials
10 Things Beginners Want to Know (Video, 36:28) from How to Get Started with Lightroom 4 with Terry White
How And Why You Should Use Adobe Lightroom
Beginners Guide on How to Use Lightroom 3
Photoshop Lightroom Tutorials Roadmap
A wealth of Lightroom tutorials (John Nack)
The Official Lightroom resource center
The Lightroom home page
The Lightroom 4 Users Guide
Continually updated resources
Learn Photoshop Lightroom 4
Learn Lightroom 4 Channel on Adobe TV
Julieanne Kost's Lightroom tutorial videos
Lightroom tutorials on Photoshop.com
Layers Magazine Lightroom Tutorials
Lightroom Killer Tips
Additionally, check out the rest of the Lightroom FAQ.
Follow Lightroom through social channels to receive a constant stream of tutorials:
Facebook
Google+
Twitter
YouTube (Check out the Getting Started with Lightroom series of videos)

contact adobe support, http://www.adobe.com/support/chat/ivrchat.html

How cant i start with iphon 4g what program ineed to download to my pc to contact my iphone

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how cant i start with iphon 4g?There is no iPhone "4g". Do you mean the iPhone 4 or the iPhone 3G?

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I have never learned java before,how should I start it? Dose it hard to learn?
At the beginning,which part of it should I learn?
Thank you !

Advice:
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3. Experiment with lots of small programs & examples. Learn by doing (and by making mistakes).
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How should i start

Hi Experts,
i joined a company which has SAP implementation, it went live in other modules except HR. so all SD,MM is running thru sap but no HR. so i joined as HR consultant and i am a fresher.
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please guide me how to strat and how to check.
i will update everyday this thread every time to let u know the status.
Thanks in Advance

thnks sikindar for immd reply.
actaully i errors are many in time and payroll.
so thats the reason the bussiness people are no tusing the sap for their hR activities.
the compnay went live in SAP in last year, there after they are not using the sap for HR activities.
i received some problems like
payroll is running for 45 days
if a person got terminated his time sheet is coming with no time events
if a person joined on 23 rd feb, his payslip is coming with all sundays and remaining days.........
like this many.
so to solve this puzzle how should i start.
shall i start the configuration from scrach or how ??
i am the only person here in HR. its a challenging task for me.
i require your help.

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I need to put a condition in iF statement such that a name that is given by the user should not start with any special charecters.A dialog box should display indicating this conditon.Can u plz give sample code for this.My code is as below.
//text box for giving the name
JTextFeild ReportNameText;
//the name is stored in String
String name=ReportNameText.getText();
//Here tell me how the if condition should be written
//condition to be mentioned

Already asked, and answered, here: http://forum.java.sun.com/thread.jspa?threadID=727919
See reply 4 in that thread, and scsi-boy's suggestion of writing another
method to check for "special" characters. And the links to the String
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Whenever an slowness issue came in sql server how should I start?

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Please guide.
Thanks

Hi Ajay,
All answer given above would be useful to you in some or the other scenario. if you are facing performance issue the approach you take determines how easily and quickly you can find solution.
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http://technet.microsoft.com/en-us/library/dd672789%28v=sql.100%29.aspx
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Hi all,
I am new to ALV and I'm unable to locate application help for ALV in the SAP documentation.
Please tell me how should I start. Also if anybody has the documentation of ALV (both using Function-Module and OOPs) then please send it to me.
Regards,
Saurabh Buksh

ALV
http://www.geocities.com/mpioud/Abap_programs.html
ALV
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http://www.sapfans.com/forums/viewtopic.php?t=58286
http://www.sapfans.com/forums/viewtopic.php?t=76490
http://www.sapfans.com/forums/viewtopic.php?t=20591
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http://www.sapfans.com/forums/viewtopic.php?t=23010
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http://www.sapfans.com/forums/viewtopic.php?t=20386
http://www.sapfans.com/forums/viewtopic.php?t=85191
http://www.sapfans.com/forums/viewtopic.php?t=88401
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http://www.sapfans.com/forums/viewtopic.php?t=58775
http://www.sapfans.com/forums/viewtopic.php?t=60550
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how can i do with labview program,when i have 20 different values,and 1 want to add it with constant value.and how to get the results?

Why do the 20 values have to be different? The same code should work even if some are equal.
What do you mean by "get the result"? The result is available at the output terminal and all you need is a wire to get it where you need it. That could be an indicator, another operation, or even a hardware device.
What is the data type of the 20 values? An array? A cluster? A bunch of scalars? A waveform? Dynamic data?
LabVIEW Champion . Do more with less code and in less time .

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Hi,
I come to J2EE / OO application development from non-oo programming world. I am still confused about what step-by-step development approach should I take ?
Should I :
- start with creating Entity Object from available database table ?
- should I start with Java class diagram, followed by generating database tables, then create EO from it ?
Could anybody please help me, what best practice step by step development approach should I take ?
Is there any white paper / docs about this ?
Thank you for your help,
Krist

Krist,
If you are not from the OO world then you may be interested in this new site on OTN (http://otn.oracle.com/formsdesignerj2ee) There is a workshop that starts by looking at an existing datamodel and builds up from there.
If you are starting from nothing, you can indeed start higher at the Class Model level.
I recently started discussing data modeling on my blog (http://www.groundside.com/blog/content/SueHarper/) and there are some very good comments(feedback from readers) that may possibly be useful to you.
If you are new to the UML modeling world, I recommend you read two very good papers by Jan Kettenis on OTN (http://www.oracle.com/technology/products/jdev/collateral/collateral10g.html) They are Getting Strted with UML Class modeling and Getting Started with UML Use Case Modeling.
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Sue Harper

How do I start with a circular blank space to be filled with text/pic?

How do I start with a circular blank space to be filled with text/pic? All info I can find relates to rectangular shapes.Max

Many thanks
Max Emmons
Date: Sat, 8 Jun 2013 09:30:22 -0700
From: [email protected]
To: [email protected]
Subject: How do I start with a circular blank space to be filled with text/pic?
    Re: How do I start with a circular blank space to be filled with text/pic?
    created by hatstead in Photoshop Elements - View the full discussion
Max,
Open your picture fileAccess the cookie cutter tool in the toolbox. On the tool's option bar, click on the fly-out for the crop shapes. Select the circular shape (it's all black). Hold down the shift key on the keyboard and drag out the circle to embrace what you wish to retain. You can drag the circle to adjust further, then crop.
To add text, get the type tool and type the text. This will be on a separate layer. Note that there are areas of transparency (checkerboard pattern) outside the circlular area.
Use the Paintbucket tool to fill these areas. The tool uses the foreground color.
Another option would be to place a layer below the circle layer and fill it with a pattern or whatever you want.
Feel free to repost if this is not clear.
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HT204380 I have bought a new iPad mini. its not showing me Facetime Installed. How should I start a Facetime ?

I have bought a new iPad mini. its not showing me Facetime Installed. How should I start a Facetime ?

Where did you buy it? facetime is barred from devices sold in some countries, due to the countries insisting upon it. UAE and other middle eastern countries are examples.
If you bought your iPad in a country that banns its use then you'll never have facetime on that device. It's locked out at the most basic level.

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