Which tutorials may you suggest for JDBC and servlets?

Hello, i would to learn about JDBC and servlets.
May you please suggest me a good tutorial(e.g.post me a link) in order to study for JDBC and servlets?
e.g. How to make a servlet etc.
Thanks, in advance!

I agree with PhHein, it's best to learn one technology and then the other. (Just my two cents, but start with JDBC from a simple standalone application, then when that is working, try to tackle Servlets, since you will need to also learn how to get them working in a container like Tomcat).
Here is a tutorial that has both concepts in it at the same time. Site is down now, but is usually up. http://www.roseindia.net/jdbc/jdbcconnectivity.shtml
Also, you will eventually want to download a J2EE container such as Tomcat or Jboss.
- Saish

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Building a system: Which motherboard do you suggest for PP ?

Hello,
After some serious thought, I'd decided to stick with an Intel quad core chip: Intel Core2 Quad Q9450 2.66GHz 12MB/1333FSB S775 CPU
Can anyone suggest a good Asus motherboard to pair this cpu chip with ?
Thanks,
Dave.

Hi Jim,
Thank you for the info. I did some checking, and I think I'm
going to go with this model in that series:
http://www.asus.com/products.aspx?l1=3&l2=11&l3=572&l4=0&model=1872&modelmenu=1
This seems to be the most expensive of the series, with built-in wifi, and some other stuff.
Seems like a nice board.
I'm thinking of going with 4 gigs of ram, if I go with Windows XP Professional, the computer and PP will be able to use all of this, is that correct ? / and there is no use in buying 8 gigs of memory at this time is there ?
Dave.

I have read up on all about crashes and i cant even open it in safe mode :( i have tried deleting it and reinstalling it but the problem still persists. What would you suggest i do and is there any way i canget hold of firefox 6 for mac?

i have read up on all about crashes and i cant even open it in safe mode :( i have tried deleting it and reinstalling it but the problem still persists. What would you suggest i do and is there any way i canget hold of firefox 6 for mac?

Does the regular Firefox 8 release version work or does the version crash as well?
*Firefox 8.0.x: http://www.mozilla.com/en-US/firefox/all.html
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If that new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

What other videos and books are there? that you suggest. for step by step . Jeannette

What other videos and books are there? that you suggest. for step by step .
Jeannette

The various Lynda.com video tutorials are very good, but you have to pay for a description. The Photoshop User TV podcasts are excellent; there are hundreds of them, and they are free. They are also what the iPad was invented for.
The 'You suck at Photoshop' videos on YouTube are both very funny and very instructive.
The Scott Kelby books are very good for folk starting out. The Martin Evening, and the Martin Evening/Jeff Schewe books are as good as they get from a photography point of view. The Steve Caplin books are the best Photoshop books once you get into it, but Scott Kelby and Matt Kloskowski do some great medium to advanced books. Matt's Compositing Secrets is excellent, and was Amazon's best Photoshop book for a while.

I'm debating between a Macbook Air or a Macbook Pro which one would you suggest?

I'm debating between a Macbook Air (MC965LL/A) or a Macbook Pro (MD313LL/A) which one would you suggest?
I will be using this for college and taking it to class with me. My biggest fear is that I may be too hard on the Air and damage it, but I like that it is lighter and looks cooler. But which one do you believe is more logical and provides the best computer quality overall?

This is an objective comparison,
Meanwhile, we start from the price of their basic models, considering of course that could get discounts as a student in the Education Store. Required about 100 € more to buy an Air with the same screen size of this Pro and already, in some cases, may be enough to make your own choice.
Assuming a score to score, we could say: Pro 1 - 0 Air
Until recently, the beloved laptop for school purposes was the white MacBook.Orphaned "bianchino", now out of the list for some time now Apple, the Mac that is most on the economic front is approaching the Air 11 "(900 € on the edu store). Air 13 "display offers a native that could be called HiRes, identical resolution to that of Pro 15" base:
Air 11 "(16:9) 1366 x 768 = 1,049,088 pixels
Pro 13 "(16:10 format) 1280 x 800 = 1,024,000 pixels
Air 13 "(16:10 format) 1440 x 900 = 1,296,000 pixels
The comparison on the screens is not to be taken seriously. After all, is what we will see during every second of computer work.
And so the challenge back in a tie: Pro 1 - Air 1
For size and weight comparison is merciless. The Pro is a portable slim, well built and, after all, not too heavy. However, this aspect of the Air is unsurpassed. He created a new category of laptops is so small wonder. The weight is also almost halved with 1.3 kg against 2Kg. For those who are always on the go is a godsend for the university and also the difference in the shoulder is remarkable.
We update our score: Pro 1 - Air 2
The battery is offered in both cases with a duration of 7 hours. 2-Air Pro 3. Another aspect that is rather in favor of a tie on the graphics: Both models use the Intel HD Graphics 3000 with 384MB of DDR3 SDRAM condivisa.Pro 3 - Air 4.
In academia, it may not feel quite the need for a Firewire port, but the fact remains that the Air does not have it.
I guess that's the case to score another point: Pro 4 - 5 Air
I scored a little more than necessary to have a complete line of Air, but for the purposes of this comparison we are interested in the value obtained from the Pro 13 'Air base and 13 "base. Both processors are dual core and, as you can see, the little guy gets along very well though with a slower clock. There is also a crucial aspect to consider: these data refer to the computing power but do not take into account the incredible speed-bump-up by SSD. Translated into monetary terms means that if the Pro 13 "is marginally faster when the CPU is under stress (such as video encoding) Air 13" is significantly more responsive in every area. By now you will present the advantages of SSD, as we talk about it constantly, and be assured that we are talking about really obvious differences in the everyday. The advantages obtained clearly outweigh the disadvantage resulting from a delay of a few seconds more in exporting an iMovie or a few seconds to compress a full-bodied zip file (which then increased the write speed scale in part). To assign a score in this area I find then a little 'in difficulty. From the viewpoint of the CPU Pro 13 "is slightly faster but we are sure you can assign an advantage when then every single operation, to start since, requires up to 8 times (the value is clearly approximate) of the time ' Air 11 "? I have no doubt to say that overall performance on the front of the Pro 13 "basis, as configured, is beaten hands down Air 13" base.
I say then: Pro 4 - Air 6 (but wait ... is not over)
Do you know where the above discussion decade? The MacBook Pro is much more expandable: add just € 77 and takes a 60GB OCZ Agility SATA3 that mounts in an instant. At that point, the bill draws on the opposite reactivity with SSD and the difference of the processor, though not so obvious, back to bite. It is also possible to realize different combinations. We have spoken of a disk of only 60GB in effect, but in the Pro can also be used as an adapter to enter the optibay the HDD of 320GB in place of the original SuperDrive. In this way we obtain the speed of the solid disc for the operating system and applications and the increased capacity of a traditional hard drive for archiving. Also, the RAM, which base is 4GB on both, on the Pro can be easily increased to 8GB. To want to do things right we should say that the added cost rises well and lose the initial assumption for which we have assigned a point to Pro for the greater economy.Furthermore, the comparison is based, only the basic models, however, the counter remains a valuable expandability, both now and in the future: if after some time you should decide to improve the performance of your Mac, is with the Aircan only change SSD (mSATA but those are expensive), while the Pro will have more flexibility.
u point for the Pro: Pro 5 - 6 Air
With the 2011 version of the MacBook Air has resumed the backlit keyboard, but still (and will) not have an Ethernet port, Superdrive and the infrared receiver. The absence of the reader / writer is a point against him, this is indisputable
equal footing Pro 6 - Air 6. As Apple moves fast towards a future where this will no longer be necessary (see installation and operating system software via the web) can still be useful today. It must be said that with less than 30 € you take an external drive efficiently (review) but this still requires to carry around another "element". On a personal level each of us will be evaluated differently this absence, there are those who do not tolerate it and who has already got used to (in extreme cases supported by the Remote Disk feature) but it is still a lack of perspective in a single complete computer , at least at present.
For this reason we say: Pro 7 - 6 Air
pull the money (or better scores ) won the pro of a single point.
i hope it can help you ti choose
Francesco

Graphical message mapping examples for JDBC and RFC lookup

hi, can any body provide me graphical message mapping examples for the "JDBC Lookup" function and "RFC Lookup" function?
I'm now studying the graphical message mapping and want to try those 2 functions. thank you.
I expect the examples to be simple enoung, not need to set up much.

>
Madhu_1980 wrote:
> can u check this link:
>
> PI 7.0 & 7.1 Mapping - Blogs,Articles,Wiki,Code Samples and Videos Collections https://wiki.sdn.sap.com/wiki/pages/viewpage.action?pageId=79955426
>
> it contains a link : SAP PI 7.1 Mapping Enhancements Series: Graphical Support for JDBC and RFC Lookups /people/jin.shin/blog/2008/02/15/sap-pi-71-mapping-enhancements-series-graphical-support-for-jdbc-and-rfc-lookups
May be I'm too foolish to follow those links, I got issues of each links.
What I really want is an example from step0
Swarup:
Refer the Lookup document - Easy Lookup in Process Integration 7.1
https://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/20befc9a-aa72-2b10-ae9b-b0988791d457
The first step is "Create an RFC Enabled Function Module for look up", but where can I create the function module? Should I use ESB, IB? or use transaction 'SE11' ?
Kulkarni:
Very good links for RFC lookup with 7.0/3.0
https://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/70d90a91-3cf4-2a10-d189-bfd37d9c3231&overridelayout=true
At page6 "PI Development/Configuration", it saies "You are on the design maintenance screen in the Integration Builder.Expand the subnodes for the software component version for which you want to import interfaces".
What is "design maintenance screen" ? My IB version is: Service Pack:08 Release:NW07_08_REL.
When I open IB, it display a screen titled with "Configuration: Intergation Builder", I did not find "software component version" node on the left tree.
Madhu_1980 :
it contains a link : SAP PI 7.1 Mapping Enhancements Series: Graphical Support for JDBC and RFC Lookups /people/jin.shin/blog/2008/02/15/sap-pi-71-mapping-enhancements-series-graphical-support-for-jdbc-and-rfc-lookups
The Prerequisites state:
The JDBC channel to be used for the lookup must be configured and activated in the Integration Directory.
The definition of the table used for the lookup must already be imported into the ES Repository as an external definition
But I don't know how to create a JDBC channel and define the table.

Suggestion for additions and corrections to FAQ's

The FAQ forum will constantly evolve as issues are added and updated. Since the topics are read only other than to forum workers, we wanted to give users a special topic where they can add their suggestions for additions and corrections.
Please keep in mind that all forum workers are volunteers, they do this because they enjoy helping other users.

Chris,
Like I said, Im relatively new to PhotoShop and PS forum. I have researched the PS manual, PS help topics and this forum. I am not an individual that would ask a question of hard-working volunteers about a subject that I have not already researched. And yes, I know and understand what FAQs are and how they are generally presented on the web.
Huh? The FAQ section is for administrators to add things to, not users. If you have a question, you ask in the main forum. If many people ask the same question, then the administrators add an entry to the FAQ.
Okay if this is true, how was I able to post a message? I wasnt aware that I couldnt post a FAQ suggestion to the FAQ suggestion Forum? Hmm, maybe I missed the
small print on that one.
Look ... I do NOT want to create any hostility with you. You have given me some answers and I appreciate your comments. I will go back and "wade through" all of the forums to look for basic or frequent problems that may answer some frequent questions.
Cheers!
Dennis

Which tool do you use for load testing?

Which tool do you use for load testing for J2EE application?

hi,
i use jmeter for without issues..
first make sure that the system from where you are doing load testing is in the same lan(without firewall) to that of server. Here you are testing the capacity of server and not the network bandwith.
So assuming very good network connection what is the servers performance level...
If u have to decide which tool is decent enough to load testing,
i would suggest go for jmeter. its reliable and i have used it without problems.
Here is my quick tutorial for jemeter which i made for my teams reference.
REFERENCE
     For Getting Started refer to any tutorial for Jmeter
     You can refer to introduction on
          http://jakarta.apache.org/jmeter/usermanual/
RUNNING LOAD TEST
     Extract jakarta-jmeter-2.3RC4.zip in c:
     install jdk-1_5_0_12-windows-i586-p.exe
     Run C:\jakarta-jmeter-2.3RC4\bin\jmeter.bat
     In Test Plan add Thread Group
     Right Click Thread Group -> Add->Sampler->HTTP Request
     Select HTTP Request added fill details
          Serverip:www.xyz.com
          Port:80
          Path:/xyz-webapp/index.jsp
          Use KeepAlive: Checked
          Retrive All Embeded images from HTML: Checked(For geting images inside html)
     Right Click Thread Group -> Add->Listner->Graph Results
     Click on Thread Group Fill details
          No of Threads:3(This means no of simultaneous users)
          Ramp Up Period:1(3 Request will be made in 1 second period)
          Loop Count:5(Above process should be repeated how many times)
     Save TestPlan
     Run -> Clear All
     Run -> Start
          Click on Graph Results for Output
     Try adding different listener in Thread Group
          Thread Group -> Add->Listner->Summary Report
     Listeners coud be added at thread group level or HTTP Request Level
RECORDING A TEST.
     Add a HTTP proxy server in workbench by right clicking on it and selecting Add->Non test Element->HTTP Proxy Server.
     In Test Plan Add Thread Group
     In HTTP proxy server select Target Controller as Test Plan > Thread Group.
     Go to Internet Explorer and go to internet settings and set proxy server as localhost and the port
          which is configured in Jmeter proxy server.Save Settings.
     In Jeter proxy server start by Clicking on Start button in the HTTP Proxy Server Flap.
     In browser navigate the application which you want to test.
     The nodes will be added in the Thread Group.
     Once Navigation is done stop the proxy server and save the test plan from file menu.
LOGGING INTO APPLICATION.
     When we have to login into system and then navigate the system
          we need a cookie to be tracked after login. This could be achieved
          simply by Add -> Config Element -> HTTP Cooie Manager.
     After adding the HTTP Cooie Manager simply run the test.
LOOPING COUNTER.
     When a request is made multiple parameter is sent to server.
     Parameters are sent from the HTTP Request node added in the Thread Group
          in "Send Parameter with the request" table.
     If we run the loop count 10 times the parameters will be sent same in every request.
     If you have to send parameters like user1,user2,user3,user4....
          then add -> Pre processor -> Counter.
     Put start as 1 and and Maximum as 10 or whatever required.
     Put Referene name as iCtr or whatever.
     In the "Send Parameter with the request" in value column put user${iCtr}

I currently have the 1st generation iphone. I am looking into upgrade, which iphone do you suggest 3GS or the iphone 4?

I currently have the 1st generation iphone. I am looking to upgrade, which iphone would you suggest? iphone 3GS or the iphone 4? other?

Yes!! I have been told by many to buy the 3GS iphone. They love it and tell me I would, too. But thanks to you, Dad and Michele, for your information that you have provided; I will purchase the iphone 4. With the great Facetime feature, I will be able to use it with my daughter who is stationed in Japan with her husband. By the way, I keep hearing that Apple will be making iphone in white. When will that happen? Thanks again!

Which DAQ do you suggest?

Hi,
I posted few days ago about it, but i changed my concept.
I would like to create a real-time PID regulation in LabView. There is a hydraulic cylinder with a load cell in the end of the rod.
I would like type the force value in LabView, for example: 10kN and via DAQ, i would like to do real-time PID regulation.
The load cell and the hydraulic pressure relief can also receive tension signal.
Which DAQ do you suggest? I guess I need an AIO DAQ, but there are so many.
Thanks!
Solved!
Go to Solution.

Sry, my english is not good
I mean the output signal from the load cell is voltage. I guess. Actually i do not understand it, because i dont see the output signal range. So I attached the load cell's sheet. maybe You can help me.
Thank you.
Attachments:
LO_K_1_427_m.pdf ‏133 KB

Which router would you suggest?

Which router would you suggest only for connecting 2 ISPs?
thanx

This depends on how much traffic you have between, and what all interfaces you want to connect on .
like ATM or HSSI. For a medium end you can go for 3725 or 7200VXR is also a better choice that has CEF enabled .
http://www.cisco.com/en/US/products/hw/routers/ps282/ps284/index.html
http://www.cisco.com/en/US/products/hw/routers/ps341/index.html

Which Mattbox would you go for?

For the EX1, which Mattbox would you go for?
This one:
http://cgi.ebay.fr/ws/eBayISAPI.dll?ViewItem&item=280300042827&ssPageName=MERC_VI_RCRX_Pr4 _PcY_BID_IT&refitem=280299222654&itemcount=4&refwidgetloc=active_view_item&usedrule1=Cross Sell_LogicX&refwidgettype=cross_promot_widget&_trksid=p284.m184&_trkparms=algo%3DCRX%26its %3DS%252BI%26itu%3DUCI%252BSI%26otn%3D4
Or This one:
http://www.cinetactics.com/Detail.bok?no=15
And by the way, where can I get a 4+ meter microphone boom for a budget?

The more expensive one with rails. (the French ebay one) Your using it to make your camera look better for clients, right? Metal and rails look better than the cloth one.
I bet, though, if you want one for functionality (to hold square filters) the cloth one is better made from what it looks likes.

What kind of antivirus do you suggest for mac OS X Maverics?

What kind of antivirus do you suggest for OS X Maverics?

OS X already includes everything it needs to protect itself from viruses and malware. Keep it that way with software updates from Apple.
A much better question is "how should I protect my Mac":
Never install any product that claims to "speed up", "clean up", "optimize", or "accelerate" your Mac. Without exception, they will do the opposite.
Never install pirated or "cracked" software, software obtained from dubious websites, or other questionable sources. Illegally obtained software is almost certain to contain malware.
Don’t supply your password in response to a popup window requesting it, unless you know what it is and the reason your credentials are required.
Don’t open email attachments from email addresses that you do not recognize, or click links contained in an email:
Most of these are scams that direct you to fraudulent sites that attempt to convince you to disclose personal information.
Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
Apple will never ask you to reveal personal information in an email. If you receive an unexpected email from Apple saying your account will be closed unless you take immediate action, just ignore it. If your iTunes or App Store account becomes disabled for valid reasons, you will know when you try to buy something or log in to this support site, and are unable to.
Don’t install browser extensions unless you understand their purpose. Go to the Safari menu > Preferences > Extensions. If you see any extensions that you do not recognize or understand, simply click the Uninstall button and they will be gone.
Don’t install Java unless you are certain that you need it:
Java, a non-Apple product, is a potential vector for malware. If you are required to use Java, be mindful of that possibility.
Disable Java in Safari > Preferences > Security.
Despite its name JavaScript is unrelated to Java. No malware can infect your Mac through JavaScript. It’s OK to leave it enabled.
Block browser popups: Safari menu > Preferences > Security > and check "Block popup windows":
Popup windows are useful and required for some websites, but popups have devolved to become a common means to deliver targeted advertising that you probably do not want.
Popups themselves cannot infect your Mac, but many contain resource-hungry code that will slow down Internet browsing.
If you ever see a popup indicating it detected registry errors, that your Mac is infected with some ick, or that you won some prize, it is 100% fraudulent. Ignore it.
Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
The most serious threat to your data security is phishing. To date, most of these attempts have been pathetic and are easily recognized, but that is likely to change in the future as criminals become more clever.
OS X viruses do not exist, but intentionally malicious or poorly written code, created by either nefarious or inept individuals, is nothing new.
Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
Summary: Use common sense and caution when you use your Mac, just like you would in any social context. There is no product, utility, or magic talisman that can protect you from all the evils of mankind.

Which bag do you use for 14 inch wide screen?

Which bag do you use for 14 inch wide screen?
I got confused when searching for possible candidates. Almost all wide screen bags are designed for 15.4 inch. Few 14 inch bags are fit only for the normal 4:3 screen.
Any advice from you are welcomed!
Many thanks!

Hello,
Other brands you might want to look at are Brenthaven, Case Logic, Eagle Creek, EastPak, EZM, Jan Sport, Kensington, Swiss Army, Targus and Trager. There is also an earlier message thread here in the forum discussing carrying options, and a quick search of the Internet found some messages here, here and here that you might find of interest.
There really are lots of different solutions when it comes to carrying your ThinkPad, so it might be best to visit a few computer, electronics, office supply and sporting goods stores to find something you like and meets your needs (and budget). If you do not have your ThinkPad to yet, consider either bringing a tape measure or a piece of cardboard cut to the dimensions to "test" with bags.
Regards,
Aryeh Goretsky
I am a volunteer and neither a Lenovo nor a Microsoft employee. • Dexter is a good dog • Dexter je dobrý pes
S230u (3347-4HU) • X220 (4286-CTO) • W510 (4318-CTO) • W530 (2441-4R3) • X100e (3508-CTO) • X120e (0596-CTO) • T61p (6459-CTO) • T43p (2678-H7U) • T42 (2378-R4U) • T23 (2648-LU7)
Deutsche Community Comunidad en Español Русскоязычное Сообщество

Which Bag do you use for your Camera? What about the GadgetBag 300EG?

Which Bag do you use for your Camera? What about the GadgetBag 300EG?

I agree - it's all about preference. I use the ThinkTank Retrospective 7. I *love* ThinkTank's attention to detail... everything from having a rain cover included with the bag, to having ingenius use of velcro (sp?) patches to enable you to "silence" the bag so it doesn't make the big "SCRATCH" sound when opening the bag during a quiet event, etc.
My best advice would be to do your research (which you're clearly doing) and have a clear understanding of the return policy wherever you buy it, and then don't be afraid to return it if you get it and feel it doesn't meet your needs. A restocking fee is a small price to pay to not be stuck with a bag that doesn't work for you. And if for any reason you get it and can't return it, there's always eBay.

Which tutorials may you suggest for JDBC and servlets?

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