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• Set Caret position with JTextArea in JScrollPane

  - by Albinoswordfish

  Right now I have a JTextArea inside of a JScrollPane. For the current content it has both a vertical and horizontal scroll bar showing up. I'm trying to implement a search functionality where a user can search for a certain string and it will set the caret position to the first occurrence of that string. However it seems that JScrollPane only scrolls vertically when I set my caret position. So matching strings going off the JTextArea horizontally will completely get missed and the horizontal scroll bar won't scroll at all. I'm using the basic function setCaretPosition() for the JTextArea Does anybody have any idea why my JScrollPane isn't moving horizontally using setCaretPosition() Edit: It appears the horizontal scroll bar is scrolling but it moves so little that it's barely noticeable. I can only see the very first pixel of the character. Is there a way to have the scrollbar center (or as much as possible) to the caret position?

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• Can run Javascript but not jQuery?

  - by blazonix

  I'm running into a strange problem - I tried running a basic function in JS and jQuery, and while the former worked, the latter didn't. JS - okay alert('Works'); jQuery - not okay $(document).ready({ alert('Works'); }); Here's some facts: My references to the jQuery library are correct (And pretty sure my Internet connection is steady :) I'm using a CDN - CloudFlare to be exact, but I've switched development mode on and Rocket Loader off - so all the code I've uploaded to the server is WYSIWYG (CloudFlare adds some stuff in the tags if you leave Rocket Loader on. I tried running the alert code in the head section, and elsewhere in the body tags, to no avail. What could have possibly gone wrong? EDIT 1: The page is here - http://casestudieslounge.com/chat/BIM/WebContent/chat.php

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• View controller/NIB architecture for non-navigation application with transitions?

  - by Ben

  I'm tinkering with an app that doesn't use the UINavigation root view control system, so I don't have natural ownership for each app "view". I essentially have two basic views, a document list view, and a document edit view. I'm playing with UIView animation for getting from a selected document to the edit view. I also have a toolbar that exists in both "views". Because I don't have UINavigation running the show for me, I have a tendency to just throw more and more stuff into one NIB and one view controller that owns the whole container. But now I'm trying to figure out how to segue from the document list view to the edit view if the edit view lives inside a different NIB, preserving the toolbar too. Anyone have thoughts or experience on app structures like this? I find the docs lacking on best practices around code/UI structure for anything except trivial one-screen apps or full-on navigation apps. Thanks!

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• Posting Documentation onto a Joomla Site

  - by Chris Spicer

  I would like to create some documentation and post it onto my Joomla website. This documentation would be something along the lines of the MSDN documentation: i.e. each page would follow a basic template. Intuitively I feel I have two ways of achieving this: 1) Creating each page of documentation as a separate article, and then linking them up. 2) Creating some kind of template and filling the information from a database. The second option being preferable in the long run. Unforunately I have no idea how to achieve what I'm looking for. I hoped that there would be a component out there that woud help me, but Googling for 'Joomla Documentation' just brings up the documentation for Joomla itself. Has anyone out there put documentation on their site, and how did they achieve it?

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• dojo.gfx matrix transformation

  - by Linus

  Matrix transformations has got my head spinning. I've got a dojox.gfx.group which I want to be draggable with Mover and then be able to rotate it around a certain point on the surface. My basic code looks like this: this.m = dojox.gfx.matrix, . . . updateMatrix: function(){ var mtx = this.group._getRealMatrix(); var trans_m = this.m.translate(mtx.dx, mtx.dy); this.group.setTransform([this.m.rotateAt(this.rotation, 0, 0), trans_m]); } The rotation point is at (0,0) just to keep things simple. I don't seem to understand how the group is being rotated. Any reference to simplistic tutorial on matrix transformations would also help. The ones I've checked out haven't help too much.

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• Running The JVM From Within An MXML Component

  - by Joshua

  Thinking outside of the box here... What possible basic approaches could be taken in an effort to create a Flex component that could run Java? I know I can easily use flex to browse to or launch a Java app, but there are things I can only do if I can run the Java from WITHIN an MXML Component. I the strictest sense, I know it's not impossible (ie: if you had all the source code for flex and for the jvm), but what's the least impractical means to this end? Showcase your creativity.

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• Is there a faster TList implementation ?

  - by dmauric.mp

  My application makes heavy use of TList, so I was wondering if there are any alternative implementations that are faster or optimized for particular use case. I know of RtlVCLOptimize.pas 2.77, which has optimized implementations of several TList methods. But I'd like to know if there is anything else out there. I also don't require it to be a TList descendant, I just need the TList functionality regardless of how it's implemented. It's entirely possible, given the rather basic functionality TList provides, that there is not much room for improvement, but would still like to verify that, hence this question.

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• Foolproof way to check for nonzero (error) return code in windows batch file

  - by Pat

  Intro There's a lot of advice out there for dealing with return codes in batch files (using the ERROLEVEL mechanism), e.g. Get error code from within a batch file ERRORLEVEL inside IF Some of the advice is to do if errorlevel 1 goto somethingbad, while others recommend using the %ERRORLEVEL% variable and using ==, EQU, LSS, etc. There seem to be issues within IF statements and such, so then delayedexpansion is encouraged, but it seems to come with quirks of its own. Question What is a foolproof (i.e. robust, so it will work on nearly any system with nearly any return code) way to know if a bad (nonzero) code has been returned? My attempt For basic usage, the following seems to work ok to catch any nonzero return code: if not errorlevel 0 ( echo error level was nonzero )

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• Using GWT to output XML, JSON and regular HTML

  - by Artem

  Sorry, this is a very basic question, as we are just getting started with exploring GWT. We would like to know if it's easy and possible to get GWT to "output" XML, JSON and regular HTML. I would like to know this because ideally we would port parts of our backends over slowly, and it would be nice to drop in GWT in place of AJAX wherever we need it during the transition period. Places that we would like to be able to use: 1) We have a pure XML page that we return to our client (mobile) app and right now this is handled through Spring MVC with a nice template. What's the best replacement for this? 2) We have a regular AJAX page that makes async requests and expects replies in JSON. Can we easily replace this backend? 3) We have some regular webpages where we use templates to output them, and we would like to first switch them over in the simplest possible way, without converting them to the regular GWT UI framework. Thanks!

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• Where can I learn more about datastructure tricky questions?

  - by Sandbox

  I am relatively new to programming (around 1 year programming C#-winforms). Also, I come from a non CS background (no formal degree) Recently, while being interviewed for a job, I was asked about implementing a queue using a stack. I fumbled and wan't able to answer the question. After, the interview I could do it(had to spend some time). I have learnt (and think that I know it well) basic algorithms in datastructures using the book Data Structures: A Pseudocode Approach with C - Richard F. Gilberg (Author) . I want to know about sites/ books which have such questions along with answers. I think this will allow me to develop my CS specific problem solving skills. Any help is appreciated. BOUNTY: I am looking at some blog/website with datastructure and algorithms Q&A.

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• setNeedsDisplayInRect: paints a white rectangle only

  - by Ion Tichy

  Hi, I'm still a little fresh to CoreGraphics programming, so please bear with me. I'm trying to write an application, which allows the user to rub stuff off an image with the finger. I have the basic functionality nailed down, but the result is sluggish since the screen is redrawn completely every time a touch is rendered. I did some research and found out that I can refresh only a portion of the screen using UIView's setNeedsDisplayInRect: method. This does call drawRect: as expected, however everything I draw in the drawRect: following the setNeedsDisplayInRect: is ignored. Instead, the area in the rect parameter is simply filled with white. No matter what I draw inside, all I end up with is a white rectangle. In essence, this is what I do: 1) when user touches screen, this touch is rendered into a mask 2) when the drawRect: is called, the image is masked with that mask There must be something simple I'm overlooking, surely?

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• Update Facebook Page's status using pyfacebook

  - by thornomad

  I am attempting to add functionality to my Django app: when a new post is approved, I want to update the corresponding Facebook Page's status with a message and a link to the post automatically. Basic status update. I have downloaded and installed pyfacebook - and I have read through the tutorial from Facebook. I have also seen this suggestion here on SO: import facebook fb = facebook.Facebook('YOUR_API_KEY', 'YOUR_SECRET_KEY') fb.auth.createToken() fb.login() # THIS IS AS FAR AS I CAN GET fb.auth.getSession() fb.set_status('Checking out StackOverFlow.com') When I get to the login() call, however, pyfacebook tries to open lynx so I can login to Facebook 'via the web' -- this is, obviously, not going to work for me because the system is supposed to be automated ... I've been looking, but can't find out how I can keep this all working with the script and not having to login via a web browser. Any ideas?

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• Mvc Cocoa: How to get controller object for UIBarButtonItem target in view?

  - by plehoux

  I got a basic application where I want the action method of UIBarButtonItem to be in the parent controller. My view has been created programmatically, so I can't use IBAction. RootViewController - NavigationViewController - NavigationView - UIBarButtonItem Here's how have done it for the moment, it works for now... but it's not a really scalable technic (in NavigationView.m): BookAppDelegate *delegate = [[UIApplication sharedApplication] delegate]; UIBarButtonItem *soundEffects = [[UIBarButtonItem alloc] initWithTitle:@"Sound Effects" style:UIBarButtonItemStyleBordered target:[delegate.rootViewController navigationViewController] action:@selector(soundEffectsClicked:)]; What would be a better technic to get the NavigationViewController object?

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• Trying to get simple jquery animations on a site I created in Dreamweaver

  - by JoeOzz

  Hey guys, another question. I'm trying to do some basic jQuery stuff for my final project. I'll be using it to modify my already existing site created in Dreamweaver a few months ago. However, no matter how I source the framework, it just won't take regardless of whether I host my own copy or link to someone else's like Google's. I'm including my jQuery function calls within my already existing .js file that includes some auto generated functions. I also tried creating a new .js specifically for my jQuery functions and still nothing. I realize this is vague, but any tips? Do I need another framework for jQuery to work off of to make animations like .fadeIn() or .slideDown()? Thanks guys and gals!

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• ASP.NET Controls Not Recognized

  - by Liam

  I just installed the release version of Visual Studio 2010, and it looks like there's something wrong with the standard ASP.NET server controls. When I create a basic server control, such as a TextBox, the editor underlines it in green and says (I also get no intellisense for ASP.NET controls): Element 'TextBox' is not a known element. This can occur if there is a compilation error in the Web site, or the Web.config file is missing. The web site builds fine, and the Web.config file is not missing: <?xml version="1.0"?> <configuration> <system.web> <compilation debug="false" targetFramework="4.0" /> </system.web> </configuration> The controls work just fine in the code-behind, and they function correctly when I run the site. Is there some configuration problem here?

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• How to integrate access control with my ORM in a .net windows form application?

  - by Ying

  I am developing a general database query tools, a .Net 3.5 Windows Form application. In order to make the presentation layer is independent of the database layer. I use an ORM framework, XPO from DevExpress. But, I have no access control function built in. I surfed Internet and I found in WCF Data Services, there is an interesting concept, Interceptor, which is following AOP(Aspect Oriented Programming). I am wondering who has such an experience to build access control in ORM. My basic requirement is : It should be a general method and controlled by users in runtime. So any hard coding is not acceptable. It could be based on attribute, database table, or even an external assembly. I am willing to buy a ready solution. According to the idea of AOP, an access control function can be integrated with existing functions easily and nearly not knowingly to the previous developer;) Any suggestions are welcome.

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• htpasswd, secure specific files in zend framework

  - by AKFourSeven

  Hi I have been bashing my head against the wall with this riddle and cannot find the way to solve this. I would like to secure couple of files to restrict access to certain pages but my attempts so far are unsuccessful. I do not want to use Zend Auth as it is a very small web site doing simple stuff. Here is a sample of what I have done: AuthUserFile /path/to/my/.htpasswd AuthName "Admin Restriction" AuthType Basic <Files file.phtml> require valid-user </Files> Is there any way to achieve this ?

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• How to configure Hibernate database reverse engineering tool to map database table relation as a ent

  - by Piotr Kochanski

  Is it possible to configure Hibernate reverse engineering and code generation tool in such a way that one-to-many relation between tables is mapped to entities inheritance instead of enrites relation? I have Person table and Employee table, which are related with the foreign key (Person contains basic information, Employee the rest). In my Java code I would like this relation mapped to inheritance Employee extends Person. This can be done by hand, but maybe I missed some custom configuration parameter that I can use. I couldn't find any official documentation - docs link on RedHat Hibernate page (http://www.hibernate.org/5.html#A10) is broken...

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• Autocomplete with Django, jQuery and google app engine

  - by Ron

  Hey guys, I'm new to Django and jQuery, but I have a lot of python experience. I'm basically trying to write an HTML form, with one text box for now, that as you type in it, shows you auto completion options. this will be used for finding restaurants, and I intend to use the Yelp API for that. can someone please point me out in a direction of a tutorial on how to do this - specifically with regards to the Django / HTML / jQuery rather than how to work with the Yelp API? Are there any tutorials I should read? All tutorials I have found are very basic ones that build forms from the Django data models.. Thanks!

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• jQuery slider not working in Wordpress plugin

  - by Matt Facer

  I've written a plugin for wordpress and I want to use a slider on my page. In it's most basic form (now) to test, I have the for the slider on my page <div id="wpge-slider"></div> then in the plugin, I have my init action add_action('init', 'wpge_init' ); function wpge_init() { wp_enqueue_script('jquery'); wp_enqueue_script('jquery-ui-core'); wp_enqueue_script('wpge_search_results', get_bloginfo('wpurl') . '/wp-content/plugins/myplugintest/js/wpge_search_results.js', array('jquery'), '1.0'); } then in my own javascript page, I have jQuery(document).ready(function($) { $("#wpge-slider").slider(); }); Everything (to me) looks ok, and the scripts ARE being called in the header. I can see them on the page... yet the slider is not showing. Can anyone see where I'm going wrong?!

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• manually create a plot frame in R

  - by tfarkas

  I need to control the style of a basic xy plot in R, and so have build the plotting area like this: frame() plot.window(xlim=c(0,1), ylim=c(-.6, .8)) axis(1, at=c(0, .2, .4, .6, .8, 1.0), lwd=2) axis(2, at=c(-.6, -.4, -.2, 0, .2, .4, .6, .8), lwd=2) I cannot, however, figure out how to create a physical frame around this plot (with lwd = 2). Is it possible (necessary?) to use line() or polygon()? Or is there something more built-in for this? I'm also interested in how to change the frame and axis weights for a plot created using the plot() function.

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• Problem with displaying graphs on a Qt canvas

  - by Michal Nowotka

  Let's say I'm a Qt newbie. I want a good Qt library for displaying simple graphs. I've found the quanava library. But there is a problem. When I compiled a basic example it looks like graph edges are not painted properly when moving nodes. I don't have any idea where is a bug but this code seems to be rather simple. I think this is a problem with paint method in NodeItem class. Maybe someone has already solved this problem because this library is quite popular.

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• ASP.NET Forms automation/serialization/binding

  - by creo

  I need to implement many forms in ASP.NET application (for IRS mostly). There are will be a lot of standard controls for each form (textboxes, dropdowns, checkboxes, radio). And business entity assigned to each. What's the best solution to automate this process? I need to: Have layout stored in DB (in XML). Layout must support several columns, tabbed interface Automatically bind business object values to the form Automatically read form values and write to business object Must support automatic validation Some basic workflows support would be good I used to work with TFS and saw how they implemented WorkItem templates (.wit files). In general this is all I need. But what framework did they build it on? How can I utilize this solution? I know about Dynamic Data only: http://www.asp.net/dynamicdata

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• get last 5 character vb.net

  - by Chocho

  i want to get the last 5 digits/strings from a strings of words. eg: "I will be going to school in 2011!" i am using visual studio.net 2008 and using vb.net. i will like to get "2011!" note, my strings changes, and the last 5 characters can be anything! any ideas. i know visual basic have Right(string, 5); this didn't work for me gave me an error. thanks

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• CheckBox gets converted to Button in Flex

  - by Ravz

  Hi, I am new to Flex, so please bear with me. I have encountered a strange problem. There's a ActionScript class which dynamically creates basic UI element. So I create RadioButton as var rBtn:RadioButton = new RadioButton(); and then put it in a Panel Container. The problem is that it appears to be a Button. However it behaves like RadioButton. I have found this problem with one more guy who has posted it here. CheckBoxes and RadioButton looks like Push Buttons. Please help me out with this. Thanks.

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