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• How can a 1Gb Java heap on a 64bit machine use 3Gb of VIRT space?

  - by Graeme Moss

  I run the same process on a 32bit machine as on a 64bit machine with the same memory VM settings (-Xms1024m -Xmx1024m) and similar VM version (1.6.0_05 vs 1.6.0_16). However the virtual space used by the 64bit machine (as shown in top under "VIRT") is almost three times as big as that in 32bit! I know 64bit VMs will use a little more memory for…

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• Websites with horizontal sliding panels

  - by peterdp

  In a recent meeting, I mentioned that I've seen a few websites with horizontal sliding panels and thought the UI was elegant, uncluttered and accessible. Naturally, I was asked to provide examples of those sites, but can't seem to dig up any of them now. Actually, I've been looking on an off for the past few days. (blush) Sooo.... I thought…

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• Jquery: highlight element on mouseover without hanging or lagging.

  - by Kim Jong Woo

  When I had elements highlighted upon mouseover, it would work fine with sites with minimal number of elements. But when the number of elements on a page was very big, the effect would "lag" so to speak. It would take a while for each elements to highlight upon mouseover event. Has someone solved this problem successfully ? I've seen a…

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• Finding a small image in a bigger one

  - by tur1ng

  Given an image with a large dimension ( 1.000 x 1.000). What is a good approach to find a small image (e.g. 50 x 50) in the big one? The smaller image can be rotated and differ in the size, but only with a 1:1 ratio. It's not related to any programming language - I'm just interested in pattern recognition. Thank you.

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• JSF implementations and component libraries

  - by Avinash Nandagiri

  I have just started using JSF and I have three questions related to JSF implementations and component libraries What is the difference between JSF Implementations and Component Libraries? What are the various JSF implementations (like Apache MyFaces) that are available and what is the difference between each one of them? What are…

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• how two merge two images in black berry

  - by Master

  hi i want to merge two images in blackberry. one image is a big image and other image is a small one. position of small image will be define by developer. what are the possible ways can any one help me out it's urgent. thanks

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• Are these jobs for developer or designers or for client itself?

  - by jitendra

  Spell checking grammar checking Descriptive alt text for big chart , graph images, technical images To write Table summary and caption Descriptive Link text Color Contrast checking Deciding in content what should be H2 ,H3, H4... and what should be <strong> or <span class="boldtext"> Meta Description and keywords for…

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• Provisioning problem with certificate and APNs

  - by Florent

  Hi all ! I hava a big problem, here is the deal : I've made an app which has an id, on an another machine i've submit the app to the app store, now i have another mac, and i have made the AppIds using my old mac (so i used an old cer to make the push certificates), next made my apns cert for my server and i have : unable to…

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• [java] best database for desktop application

  - by blow

  Hi all, i have to choose a database for a big desktop application. Which of this db is better: Firebird, JavaDB, hsqldb ? I need perfomance and easy to use, and totally free license. Thank.

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• UIView drawing problem.

  - by toc777

  Hi everyone, I have this big problem that i dont know how to fix. I have a UIView that i want to draw a scrolling background on. I am using NSTimer to update 30 frames per second but it seems to redraw one frame every 8 seconds. I am calling [self setNeedsDisplay] but it has no effect. I cant figure out why this is happening,…

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• CDI timeout results in an NPE

  - by Brian Leathem

  Is there a way (in JSF 2) to catch a Conversation timeout and redirect a user to a new page? I'm getting nasty NullPointerExceptions when the conversation times out. I could redirect the user on all NPE's, but that seems like too big a net.

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• Cxf HTTPS client example

  - by alex

  Hi all, I need a Cxf client which can deal with HTTPS wsdl url. The cxf documentation isn't really big, so i would appreciate some help. Is there any example of what i want ? google isn't my friend today :( Thx for helping me.

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• Is Prince the best way to PDF in Ruby on Rails?

  - by Angela

  After several Google searches, it appears that the way to create PDF's in Rails from HTML and CSS (versus a new markup language) is to use Prince. With licensing at $3800 for my non-big-commercial app, I'm wondering if this is, in fact, consensus or people have an alternative they can share the what's and how's.

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• Formatting code snippets for blogging on Blogger

  - by nzpcmad

  My blog is hosted on Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled". Are there any web sites that I could use to parse the snippet beforehand and sort out the formatting, convert XML "<" to "<" etc. There are a numbers of questions around this area on SO…

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• String manupulation classic interview questions

  - by user189364

  Hi, I am scheduled to have an onsite interview so I am preparing few basic questions. According to the company profile, they are big on string manipulation questions. So far i am manually coded these functions: 1) String length, copy, concat, remove white space 2) Reverse 3) Anagrams 4) Palindrome Please can some can give…

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• How to tile a 30000 x 6000 image for a 480 x 320 screen?

  - by Horace Ho

  (this is related to another question about implementation on iPhone) I have a large image, size around 30000 (w) x 6000 (h) pixels. You may consider it's like a big map. I assume I need to crop it up into smaller tiles. Questions: what is the tile strategy? Requirements: whole image (though cropped) can be scrolled…

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• Delphi: How to diagnose sluggish UI?

  - by Ian Boyd

  i have a form, which you can pretend is laid out like Windows Explorer: panel on the left splitter client panel +------------+#+-----------------------+ | |#| | | |#| | | |#| | | |#| | | …

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• How to solve this problem in Vaadin Table?

  - by Kumar

  Hi Friends, I used Vaadin Table component in my application and i set a page length to 15, Length of the Table is not consistent in different screens resolutions . For example in 1440 x 900 resolution height of the table is big but in 1280 x 1024 resolution the height of the table is less . I don't know how to…

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• BigInteger.pow(BigInteger) ?

  - by PeterW

  I'm playing with numbers in Java, and want to see how big a number I can make. It is my understanding that BigInteger can hold a number of infinite size, so long as my computer has enough Memory to hold such a number, correct? My problem is that BigInteger.pow accepts only an int, not another BigInteger, which means I…

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• Comparing YUI and Ext JS

  - by Spike Williams

  I've been using Ext JS as my rich-widget toolkit for a while, but I'm thinking of moving to YUI, partly because of the less restrictive license. The component-oriented model used in YUI seems quite similar to the one that I've enjoyed so much in Ext JS, but I'm interested in how deep those similarities are. So I'm…

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• Regex pattern for checking if a string starts with a certain substring?

  - by kacalapy

  What's the regular expression to check if a string starts with "mailto" or "ftp" or "joe" or... Now I am using C# and code like this in a big if with many ors: String.StartsWith("mailto:") String.StartsWith("ftp") It looks like a regex would be better for this. Or is there a C# way I am missing here?

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• Synchronising scripts / db / files from dev system to web server

  - by Spoonface

  I work as a freelance web dev, and up until now have been ftping my scripts / databases / static files to my web server manually, but I'm finding that is too error prone. So I'm looking for an app to automate uploading new and updated scripts / files / databases / etc. I know a lot of independent devs use WinSCP or…

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• JSF : How to refresh required field in ajax request

  - by Tama

  Ok, here you are the core problem. The page. I have two required "input text". A command button that changes the bean value and reRenderes the "job" object. <a4j:form id="pervForm"> SURNAME:<h:inputText id="surname" label="Surname" value="#{prevManager.surname}" required="true" /> …

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• Passing Text for command line

  - by Kasun

  Hi, I need to pass some text which is in richtext box to command line. This is my Button click even which start the cmd. private void button1_Click(object sender, EventArgs e) { ProcessStartInfo psi = new ProcessStartInfo { FileName = "cmd", Arguments = @"/k…

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• getting part of an image with javascript

  - by Alper

  Hi all, i want to ask that, is it possible to show any part of image in img tag (with pixels) via Javascript. I mean, i'll prepare a big image (e.g. 32x320 pixels) and i'll define starting position (X,Y , e.g. 0,32) and width/height (e.g. 32,32), so script will show second (32x32 pixel) part of main…

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