Need Suggestion on performance of Popups

i have some performance issue on Popups display.
presently using "dhtmlmodal.open" to display a popup, this is time consuming to display the popup and the page contents.
is there any other alternative within JSF1.1 without using 3rd party library or components.
i know Richfaces, IBM, icefaces provides some Rich components, but my requirement is not to use them.
i need a solution within the JSF1.1 spec.
any Suggestion on this is great for me and very thankful.
thanks in advance.
regards,
Pravin

Get it to work using plain HTML/Javascript. Once you got that to work, wrap it in a custom JSF component.

Similar Messages

Need suggestion on Performance tuning

Hi,
We have a container with the single document which is of size 3 MB around. This document contains some master data, it will be used across the application.
we have implemented transactions for the whole application recently,so that we could avoid the db locks now. But, it resulted in some performance overhead especially for this single document container.
For example, we have a scenario to display all the records from the document on the screen at a time. That time it is taking too much time when compared to earlier to the transactions implementations.And we will be using (read operation) this container data very freequently (most of the pages) as it is master data.
Please let me know, is there any approach/solution for the above case particularly to boost the performance on the container?
Thanks,
Balakrishna.

Thank you for the response.
Here 'display all records' mean read operation on the document. We perform read operations very frequently.
We do have write operations to update the document in between read operations.
Also the index has been done for frequently used nodes in the document.
Hope the above information gives you more details. Please let me know if you need any information.
Thanks,
Balakrishna.

Need ur valuable suggestions on performance in sap BI

Hi All,
Hope every one is doing great. Need ur valuable suggestions on performance in SAP BI.
1. what is meant by DB partitioning, in which scenario we use it and what the steps to do this task.
2. Navigational attributes are use when v want to make use of this attr in reporting with certian actions. My question is do navigational attributes improves the performance if so how and if not what are the draw backs.
3. Multiprovider are use to access the data from different infoprovider to generate the reports.
In what way multiprovider inproves the performance??
4. Number Range buffering when it is used what r the steps has to follow ??
5. what is the procedure to calculate the DB statistics. what are the technical conents v install for this, when we install this befor the development are after completion of the developement and in what way they are helpfull to measure the performance.
Thanks in Advance
KK

1. what is meant by DB partitioning, in which scenario we use it and what the steps to do this task.
http://help.sap.com/saphelp_nw70/helpdata/en/33/dc2038aa3bcd23e10000009b38f8cf/content.htm
2. Navigational attributes are use when v want to make use of this attr in reporting with certian actions. My question is do navigational attributes improves the performance if so how and if not what are the draw backs.
Nav Attribute:-
The dataflow performance/space is affected in the infoobject load, since the sid tables is growing with navigational attributes
The dataflow performance/space is not affected in transactional data (except for the aggregates).
So every navigationa attribute in an infoobject can be added to the infocubes without any cost.
The performance in query is affected, but the solution is simple: do not use!
Please check the following thread:
Re: Navigate Attribute
3. Multiprovider are use to access the data from different infoprovider to generate the reports.
In what way multiprovider inproves the performance??
--THis causes performance degradation as OLAP has to divide the query in many sub-queries.
4. Number Range buffering when it is used what r the steps has to follow ??
5. what is the procedure to calculate the DB statistics. what are the technical conents v install for this, when we install this befor the development are after completion of the developement and in what way they are helpfull to measure the performance.
--For DB Statistics :
Ref : SAP Note No: 588668
http://help.sap.com/saphelp_nw04/helpdata/en/19/f832ac5d4611d4aa1500a0c9430730/content.htm

I need suggestions for an online trading application

Hi,
I am going to develop an online trading application. I have decided to use JAVA EE 5 and I have read "The Java(tm) EE 5 Tutorial". Because I am a (C++) programmer and new to Java, I need suggestions to start development.
Here is summary of the system in my mind. There will be
a database to store user's information and operations,
a web client for creating and managing user accounts,
a desktop application and web client for users for online trading and
an application client for brokers for risk management.
Here is a sample scenario for flow,
- User wants to create an account
- Company creates an account for user
- user gets the prices and trades via application client (web or desktop)
- system informs dealers and broker via their client platform
- broker perform necessary operations.
Java EE 5 Application model fits the system I am trying to develop but I feel I still need some guidance and there are a few things I couldn't figured out yet. For these reasons I want to develop a prove of concept system and this is the system in my mind.
- A simple database
user (user_id, user_login, user_password, user_name)
stock (stok_id, stok_name)
operation (op_id, user_id, stok_id, op_type, op_amount, op_value)
- A price server
will generate random prices and push new values to registered clients
- A web client to create new users (for admin)
- A web client to display operations of users (for user)
- A desktop application and web client for operation entries (for users)
displays prices coming from price servers, sends users trade requests
- A desktop application client for informing admin about trades (for admin)
when a user buys or sells something, this client notified (user buy/sell something)
What do you offer for this sample system?
Which is the best IDE?
Which Application Server should I use (scalability and speed is critical)?
Which Java EE APIs should I use?
JSP or JSF?
Will I need hibernate?
And so on.. I need some points to start and go.
Thanks for any help.
Ahmet

It wouldn't be an arbitrary track. However, maybe you could make an arbitrary track by dividing the track into segments. Each segment is either a straight line or an arc. These are easy to model the cars' behavior on, because you'll have a straightforward way to determine the direction the car should be facing, and the range to the left and right where the car can stray and still be on the track.

Low level Hex disk edit & search util needed- suggestions please?

low level Hex disk edit & search util needed- suggestions please?
Maybe It's just late & I've had a bad day.... but I haven't needed a low level Hex disk edit & search utility suitable for an Intel 10.4.x Mac until now and can't seem to locate one.
There should be plenty of free/shareware options (because they're handy and not particularly hard to write ... and every tech head needs one some time)...
Any suggestions please?
[I haven't bothered with the commercial stuff - like tech tool/Norton/*insert name here* Recover/repair, Something Genius etc. etc. because they are all without exception either unnecessary (just pretty shells for the underlying UNIX/X utils) useless AND greedy $-gougers, just useless, or just money gougers so I couldn't even say whether any still have a 'feature' like the old Norton Disk editor app had - but a quick look about suggest not...]
grumble
Any specific suggestions/links, please?
TIA

they are all without exception either unnecessary (just pretty shells for the underlying UNIX/X utils) useless AND greedy $-gougers, just
useless, or just money gougers
Such a high-esteem for fellow human beings - and
programmers...
You know, there are some good decent nice people
behind those names?
You'd be amazed at how much testing goes into a product.
[SNIP]
g'day Hatter...
Yes, I know there are some good decent nice people behind those names..fellow human beings - and fellow programmers (so yes, I do know...) In previous incarnations I have 'thunk up' and developed, Marketed & supported considerably more complex Apps & systems myself - I even know some of the people you mention personally - and they are usually decent Blokes/women but normally, it isn't the programmers who make the decisions on pricing/features/support/performance/upgrade costs & cycles etc...
My only error was, I agree, the phrase 'without exception' - but (mainly) only because I haven't bought/tested & used all of them very very recently. So I offer my apologies to those to whom my remarks should not apply (long, late night/early morning frustration...)
However, I also offer a few simple pertinent examples:
One 'top name' Utility company had a 'save your Mac HD' product on the market for some time that was almost guaranteed to TRASH it irretrievably but did NOT say so - nor did they help or compensate those they harmed.
Several are selling what amount to simple, pretty, GUI shells for 'free' or OS-included command line tools - no more, no less but do NOT say so and are asking good money for the 'software'.
Many are asking ridiculous prices for "regular upgrades" so you can keep their tool current with your Mac OS - one wants US$100/year for it, another, $15 per u/g, others, US$25 or $40 per u/g; one asks 'only' $10 - and these 'upgrades' are happening 3,4,5,6 times per year and are necessary for the Marketing company to keep their product Saleable to new purchasers and new Macs (as well as for important Bug Fixes - and only co-incidentally to keep it performing with your current Mac and OS - which is what you paid them for in the first place).
I won't pay for a product 3, 6 or 9 times and I won't advise my clients to: It's not unreasonable for a person to expect a 'sensible lifetime/currency' of Product X for Computer Y - say 3 years (e.g. AppleCare). I wouldn't object to paying for an "upgrade" at that point - IF it's worth the money.
Software is Waaay too expensive in many cases and is simply inviting 'piracy' - from people who have already PAID for the product: sadly, they are killing their own Gooses.
Seriously, one product costs ca. US$100 to Buy in the first place
To keep it actually working for you costs about the same again Per Year - a 3 year 'sensible lifetime' or 'currency' cost of US$300 or $400! [That'll buy a lot of 'bare drives' to put in a handy Firewire case for automatic backups in Background, differential backups etc. and other simple practices which render this product type largely unnecessary ].
For what? A relatively simple set of utilities which would actually cost the company involved less than $5 total each - over 3 years - to make available to existing ( or 'current') owners. [Applecare 'complete' Hardware and Software warranty & support on a US$2000 iMac - which includes Tech Tools Pro Deluxe or somesuch costs about US$165 for 3 years. Total.]
Having designed, developed, Marketed, supported & maintained more complex Applications to/for a sizeable user-base (in US terms) over multiple complete Series of Product 'life-cycles' - regular Updates and all, I think I know where the pirates are.
These practices have been rampant in the MSWindows™ market for a longtime. It's a real shame to see it in the Mac world.
I have all the esteem in the world for those fellow human beings who deserve such - and programmers who are 'good decent nice people'.
I have none to spare for monopolists, 'exploitationists' or any of those who take unfair/unreasonable advantage of their fellow human beings - AND of programmers who are 'good decent nice people' (like, say, ME... .
In any event, as I said: they are "killing their Gooses": I know of at least 6 software companies which went this route a while back. All are dead or dying.
Thank you for your help - and the opportunity to apologise for 'mis-speaking'.
all the best,
orig g4 733, many others thru (the luvly) Macintels New & old Macs, Wintels, MacIntels, other systems...

I keep getting "You need permission to perform this action"

I keep getting "You need permission to perform this action" when trying to write to a 1TB FAT32 drive attached and shared properly
I am having exactly the same problem with with the permission blocker on all my computers. I also have full owner/admin (whatever you want to call full ownership rights) for my 2 PCs and 1 laptop. All are able to connect to the internet and use and extract files off of the 1T external hard drive (which is connected into the router as a network drive with a USB cable).
But... When I attempt to write "TO" the drive, that..is when the retarded 'no permission box' comes up.
I have tried differant users, matching names and passwords to the accessing computer and with users being members of the admin group with read and write access but no luck.
All of the linksys support only gives XP examples. i am running 64bit windows 7
Either exactly the same thing, or something very similar was happening when I 1st hooked up this router almost a year ago. The tech guy over the phone from linksys fixed it by installing a patch the same way they would do a hard install of the firmware ( I'm guessing it was an early version of a win7 patch). Hmm... Strange that there are postings of this problem I am once again facing, BUT... NO solution posted. Curious; I deffinately would have thought this problem would have by now, after all this time, been posted on the FAQ with a simple fix. Obviously my findings for a solution are MUCH less than expected.
From: 1st time dissapointed in linksys.
>(
Solved!
Go to Solution.

Woo Hoo! I have found the solution to this problem on my own after MANY, MANY hours with tech support from Symantic(for Norton360), Cisco Linksys(for the router), and Network Magic (for the software that comes with the Linksys wireless router). Symantic was only able to uninstall norton and reinstall it and said there's nothing wrong with their software and that there's nothing more they can do.
Network Magic basically did and said the same.
And... Last but not least, Cisco. Cisco Linksys Basically did the same as the others for the firmware but, they then came up with the bright conclution that it must be a defective unit and they will send me a new one.
Well... That was not good enough for me; all of my equiptment (including the router) has been working great since the 1st setup about a year ago.
Well... Here's the way I fixed it:
Once the network drive is mapped properly, go into 'computer', right click on your network drive, choose properties, open the security tab, click the edit button, and there you go. Now you should see the account that keeps telling you the no permission from it. If it is there as it should be, click on that account to highlight it and then pick the permissions you whish to have. Click apply and ok. You should now be able to edit, add, remove, etc. your files now.
My only problem with this is: Where did this account come from and why did it default without editing permissions, AND MORE IMPORTANTLY (you'll find out if you try to do this) WHY CAN I NOT REMOVE THIS ACCOUNT. When/If I find out the answers to these final questions, I will post it here. So, if you are iterested in this situation, check back. I'm deturmined to get to the bottom of this.
For now, I'm gong to let Cisco send me the new unit because this mysterious new account may be a hacker that has entered our machines through the router somehow. If this is the case, my theory for how this can happen is: all linksys units come default with easy access with a user/pass as admin/admin. I would have to strongly suggest that you go into your router cofiguration under the administrations tab; personalize the router password AND under the storage tab; in the 'User Management' section, click on the 'Modify' button and personalize the admin password(make sure to write down your new passwords and what they goto

Need the most performance and scalable way to "trigger" JavaEE application

Hi,
Need the most performance and scalable way to "trigger" JavaEE application code running on WLS from PLSQL code.
There are some thirdparty JavaEE application running on WLS that we need to invoke from PLSQL code. I have looked at couple of options:
Option 1)
Use oracle db callouts(http call etc.) but it seems the connection to WLS will not be maintained across database-sessions and so every call from different plsql database-session will make fresh TCP/IP connection. Usually fresh socket connection setup is expensive and can become a bottleneck.
Option 2)
Use AQ in the database from PLSQL and have a MDB in WLS to invoke the java code. The problem here is how do I simulate the Request/Reply pattern using the AQ API from PLSQL. The PLSQL code needs to wait until the JavaEE code completes as it needs some result back from JavaEE app. AQ also does not have true temporary queues so I am not sure how it will work with concurrent user/sessions.
Option 3)
Use Java in the database, we have tried this but for our usecase it is too expensive resource wise and is not meeting our performance needs.
Performance is the triggering mechanism is of highest interest to us.
Any suggestions/pointers is greatly appreciated.
Thanks,
Prantor
Edited by: Prantor on Nov 8, 2010 10:37 PM

Perhaps you would benefit from viewing the problem differently.
In some/many/most cases the application server (WLS) invokes procedure residing in the DB server.
Place the control for the desired results in the application code running on the WLS.

Need Suggestion for Archival of a Table Data

Hi guys,
I want to archive one of my large table. the structure of table is as below.
Daily there will be around 40000 rows inserted into the table.
Need suggestion for the same. will the partitioning help and on what basis?
CREATE TABLE IM_JMS_MESSAGES_CLOB_IN
LOAN_NUMBER VARCHAR2(10 BYTE),
LOAN_XML CLOB,
LOAN_UPDATE_DT TIMESTAMP(6),
JMS_TIMESTAMP TIMESTAMP(6),
INSERT_DT TIMESTAMP(6)
TABLESPACE DATA
PCTUSED 0
PCTFREE 10
INITRANS 1
MAXTRANS 255
STORAGE (
INITIAL 1M
NEXT 1M
MINEXTENTS 1
MAXEXTENTS 2147483645
PCTINCREASE 0
BUFFER_POOL DEFAULT
LOGGING
LOB (LOAN_XML) STORE AS
( TABLESPACE DATA
ENABLE STORAGE IN ROW
CHUNK 8192
PCTVERSION 10
NOCACHE
STORAGE (
INITIAL 1M
NEXT 1M
MINEXTENTS 1
MAXEXTENTS 2147483645
PCTINCREASE 0
BUFFER_POOL DEFAULT
NOCACHE
NOPARALLEL;
do the needful.
regards,
Sandeep

There will not be any updates /deletes on the table.
I have created a partitioned table with same struture and i am inserting the records from my original table to this partitioned table where i will maintain data for 6 months.
After loading the data from original table to archived table i will truncating the original table.
If my original table is partitioned then what about the restoring of the data??? how will restore the data of last month???

I want to set up the Time Machine and I would love to use the Time Capsule but since I already have a wireless router I need suggestions on what other external disks Apple could recommend to use with the Time Machine and how to configure that disk

I want to set up the Time Machine and I would love to use the Time
Capsule but since I already have a wireless router I need suggestions on
what other
external disks Apple could recommend to use with the Time Machine and
how to configure that disk.
A complication that I need to resolve is the fact that I am using Vmware
Fusion to be able to use Windows on my Mac. Now it seems that Time
Machine is not backing up my files
on that virtual Windows without additional configuration and my question
is whether you can advise me here or whether this is only a matter for
the Fusion virtual machine.

If you want to use Time Capsule you can.. you simply bridge it and plug it into the existing router.. wireless can be either turned off or used to reinforce the existing wireless.. eg use 5ghz in the TC which is much faster than your 2.4ghz.
You can also use a NAS.. many brands available but the top brands are synology, qnap and netgear readynas series. These will all do Time Machine backups although how well always depends on Apple sticking to a standard. There are cheaper ones.. I bought a single disk zyxel which was rebadged and sold through my local supermarket. It actually works very well for TM at least on Snow Leopard. Major changes were made in Lion and again ML so do not instantly think it will work on later versions. I haven't tried it yet with those versions.
Any external drive can be plugged into the mac. Use the one with the fastest connection or cheapest price according to your budget. USB2 drives are cheap and plentiful. But no where near as fast as USB3 or FW800. So just pick whichever suits the ports on your Mac. Interesting Apple finally moved to USB3 on their latest computers.
TM should exclude the VM partition file.. it is useless backing it up from Mac OS side.. and will slow TM as it needs to backup that partition everyday for no purpose.. TM cannot see the files inside it to backup just the changes.
You need to backup windows from windows. Use MSbackup to external drive.. if you have pro or ultimate versions you can backup to network drive. But MSbackup is a dog.. at least until the latest version it cannot restore the partition without first loading windows. There are about a zillion backup software versions for windows.. look up reviews and buy one which works for you. I use a free one Macrium Reflect which does full disk backups and is easy to restore.. to do incremental backups though you have to pay for it.

What are the steps needs to be perform to define a data model

What are the steps needs to be perform to define a data model
a. Information Gathering
b. Hardware & Software
c. Structure the Information MDM
d. Transfer into a Physical Model BW data model
e. Explore use of existing model Business Content

Hi Siva,
 Very first activity is Proof of concept (POC), here we have to show How BW works for clients Reporting requirement during POC we as BW consultants need to creat some sample BW back end objects and also some reports based on business requirement. This is very crucial stage as Client Judge wethere BW would meet his demands. If every thing is fine then next step is Bidding.
After Bidding the contract then actual Project intiates. from here we follow ASAP methodology.

Project Preparation
Here Senior Consultant would go to Client place for Business Process Transistion and to know in what way the Architectue should be set up so here Basis People will come into picture.
Blue Print
Transistion could be understood by BRD (Business Requirement Documents) BRD states what is exact requirement and it is given by End users.
 By seeeing thr BRD's we as BW consultants must prepare APPlication Design Documents . The Application Design Documents states all the Technical aspects that needs to be performed as BW backend and also as well as Frontend.
Realization Phase
Here as BW consultants we must start confuguring as mentioned in ADD's by taking care of all performance aspects, once all the configuration are done we do Unit testing. unit testing is an activity where we check all the design process wether it running correct or not. After unit testing we move the design objects to Qulaity for Integration Testing.
Testing
 Here end user will check all the objects, reports on end to end basis. after integration testing is done then UAT ( User acceptance Testing) would come into picture where user check each process and sign off.
Go live
Here all the object will be moved to Production where end users and power users can start working on the system. intially for some days Development team would be taking care of all support activites there after it will be transitoned to support team.
Hope It helps you.
Assign Points if it usefull
Regards
Sujan

Need suggestion on how to do 3D spinning title animation

Hello all experts,
I need suggestion on how to do 3D rotating title animation. Let me explain what i wanted to do.
The end product is the word WELCOME.
But I want to animate it in such a way that the alphabelt W first appear as nothing from inside the screen to appear in the screen (that means zoom from small to big, is it called zoom out ?). In the process of zooming out, I want the W to have a thickness & it spins very fast along the horizontal X-axis and stops at the screen with the alphbelt W.
Then the whole process repeat with E, and I have WE. It then repeats with L and I have WEL. This whole thing repeats until it forms the word WELCOME.
Any suggestions ? Is there an inbuilt preset for this ?
If not, if I do from scratch, do I need a separate track for each alphabelt ?
Thank you very much.
Cheers.

Nick Holmes wrote:
You would have to build this one from scratch, but it's pretty easy.
Work on the whole word first to get the basic movement, then play with the Timing settings in the Inspector. To have the letters do this one after the other use the Sequence setting. Typically you would set it to the number of letters in your word plus 1 -so your welcome should have a Sequence value of 8. You can of course set it to whatever you think looks best.
Give it a go and let us know how you get on. Don't forget to save your new effect!
Thanks Holmes but where do I find the Sequence settings ?
Thanks

Need suggestion in getting data using JDBC

Hi all need suggestion,
     i had a VO corresponding to database table.
     when i am try to get the records from that table,
     how can i initialize the particular column value to the
     corresponding VO setter method.
     please do the needful.

Hello inform2csr,
Your question is not so clear.
Can you be more precise?
What is VO?

Need suggestion for designing a BEx report

Hi,
I need suggestions for designing a BEx report.
Iu2019ve a DSO with below structure:
1. Functional Location u2013 Key
2. Maintenance Plan u2013 Key
3. Maintenance Item u2013 Key
4. Call # - Key
5. Cycle u2013 Data Field
6. Planned Date u2013 Data Field
7. Completion Date u2013 Data Field
This DSO contains data like:
Functional -
Plan --- Item -
Call# --- Cycle -
Planned Dt -
Completion Dt
Location
11177 -
     134 -
     20 -
     1 -
T1 -
     02-Jan-2011 -
     10-Jan-2011
11177 -
     134 -
     20 -
     2 -
T2 -
     15-Feb-2011 -
11177 -
     134 -
     20 -
     3 -
T1 -
     15-Mar-2011 -
11177 -
     134 -
     20 -
     4 -
M1 -
     30-Mar-2011 -
25000 -
     170 -
     145 -
     1 -
T1 -
     19-Jan-2011 -
     19-Jan-2011
25000 -
     134 -
     145 -
     2 -
T2 -
     20-Feb-2011 -
     25-Feb-2011
25000 -
     134 -
     145 -
     3 -
T1 -
     14-Mar-2011 -
Now Iu2019ve to create a report which will be executed at the end of every month and should display the list of Functional Locations whose Cycles were planned in that particular month, along with the last completed Cycle/Date.
Thus based upon above data, if I execute report at the end of (say) March then report must display:
Functional ---     Curr. Cycle --- Planned Date --- Prev. completed Cycle --- Prev Completed Date
Location
11177 -
     T1 -
     15-Mar-2011 -
---     T1 -
--     10-Jan-2011
11177 -
     M1 -
     30-Mar-2011 -
---     T1 -
--     10-Jan-2011
25000 -
     T1 -
     14-Mar-2011 -
---     T2 -
--     25-Feb-2011
Any idea how can I display Previous Completed Cycle and Completion Date (i.e. the last two columns)?
Regards,
Vikrant.

hi vikrant,
You can a Cube at the reporting layer which gets data from DSO and which has these 2 extra characteristics completion date and previous cycle along with other chars and keyfigures from DSO.
You can populate these based on your logic in the field routine.
Hope it helps.
Regards
Dev

Need Suggestion about Solman support & testing E CATT feature

Hi Solman Experts .
I need your Strong suggestion. Actually i am working in ABAP module , I recently joined as a fresher in small company, I got opportunity to go Saudi for "Solman support & testing ,E CATT" in big MNC . Now i need suggestion , If i go and work there in these areas , If i return to India will i get Good Job and Salary here .
Please suggest me. please it my career issue.

hi Gafoor,
I too had this kind of oppurtunity and now i am in abhudabi in crm and solman testing. No problem in this , So you can go to saudi as your wish and the future and scope for the solman is very good. So it s reasonable to go saudi .
Regards,
Prabhushankar

Need Suggestion: buy ThinkPad Edge E540 or wait for Edge E550?

Hello Everyone,
I need suggestion what to do: buy ThinkPad Edge E54020C6003AGE (i7 4702MQ & GF 740M 2GB) or wait for Edge E550?
http://www.notebookcheck.net/Review-Lenovo-ThinkPad-Edge-E540-20C6003AGE-Notebook.114194.0.html in Germany is price about 830 Euros
I use ThinkPads in last 10 years for study and gaming (R60, SL510, Edge 520) and wish sell my Edge E520 replace it with new one due stuck with old Radeon 6630M drivers (I cannot use a new AMD drivers when I try I getting mostly BOSD errors and latest Official Lenovo driver is from 2012) second reason is that E520 fan cannot be accessed & cleaned on easy way.
In which month Lenovo mostly release new Edges, What is your option are Broadwell CPU + GeForce 840/940M in Edges worth to wait?
In future I try to avoid AMD GPU due poor drivers support.
I know that there is much better notebooks for gaming but I like ThinkPads

To support it the model you're buying should be equiped with the :
Intel® Dual Band Wireless-N 7260
Intel® Dual Band Wireless-AC 7260
Wireless network adapters and core i5/i7 cpu's . But careful, not all E540s come with the intel wireless card
Just check this and you're good to go.

Need Suggestion on performance of Popups

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