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• Building a case for solr

  - by Midhat

  Our product consists of multiple applications, All using Lucene. 2 of the applications I am involved with have Lucene indexes of about 3 GB and 12GB. Another team is building an application, for which they estimate the LUCENE INDEX size to be close to 1 Terabyte. New documents are added to the indexes every 15 days approx. We do not have any apparent performance issues with the current applications. So my question is SHould we be using Solr now? When should one stop using Lucene and graduate to Solr? Any disadvantages/problems for using Solr? The client applications are made in ASP.Net, but I assume they will be able to use a solr server using solrnet

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• Doing ajax with Jquery.

  - by user272899

  I have been loading content with ajax and all works fine. Here is my code $(document).ready(function() { //Load a-z.php //Timestamp resolves IE caching issue var tsTimeStamp= new Date().getTime(); $.post('../../includes/categories/a-z.php', {action: "post", time: tsTimeStamp}, function(data){ $('#moviescontainer').html(data).slideDown('slow'); }); return true; }); My data inside a-z.php requires Javascript for it's content and when I load a-z.php onto my page the javascript doesn't work. I am quessing that I need to link the relevant files to a-z.php and then load it via ajax. Doesn't this kind of defeat the object of ajax?? That means that I will be loading the js files on the main page and then loading them again when I ajax a-z.php I hope I made some sense.

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• Hudson plugins for visual svn

  - by MikeU

  Problem I have a hudson build server set up on a windows server 2008. We want to be able to commit to a repository and after the commit succeeds we want visual svn to send a message or a trigger to the hudson build server to let it know it needs to execute a build. We want it to build only when someone does a commit so we don't want to poll svn constantly because its not necessary. Question Is there a plugin for visual svn that can automatically send a message to hudson or is there a better way of doing this without using wget? I've tried using wget on the hudson build url in the post commit hook of visual svn but I realized that the post commit hooks can only be set for the entire repository and not individual projects in visual svn, so if we made a small change to a different project in the repository its going to tell hudson it needs to build even though no changes have occurred in the project that is linked with hudosn...

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• Array of structures CLI

  - by Nitroglycerin

  public value struct ListOfWindows { HWND hWindow; int winID; String^ capName; }; thats my structure now i have created an array of them: array<ListOfWindows ^> ^ MyArray = gcnew array<ListOfWindows ^>(5); now to test if that works i made a simple function: void AddStruct( ) { HWND temp = ::FindWindow( NULL, "Test" ); if( temp == NULL ) return; MyArray[0]->hWindow = temp; // debug time error.. return; } ERROR: An unhandled exception of type 'System.NullReferenceException' occurred in Window.exe Additional information: Object reference not set to an instance of an object. dont know what to do.. kinda new to CLI so if you can help please do.. Thanks.

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• How do i create an array of unequal length arrays?

  - by Faken

  Hello everyone, I need to create a sort of 2D array in which each one of the secondary arrays are of different length. I have a 1D array of known length (which defines the number of arrays to be formed) with each element having a number that denotes the length of the secondary array in that position. Each one of the arrays are fairly large so i don't want to create a one-size-fits-all "fake" 2D heap array to cover everything. How would i go about doing this? Any 2D array I have made before are always rectangular. I'm trying to do this so that i can create some code to dynamically generate threads to split up some workload. Thanks, -Faken

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• pthread_create from non-static member function

  - by Stanislav Palatnik

  This is somewhat similiar to this : http://stackoverflow.com/questions/1151582/pthread-function-from-a-class But the function that's getting called in the end is referencing the this pointer, so it cannot be made static. void * Server::processRequest() { std::string tmp_request, outRequest; tmp_request = this->readData(); outRequest = this->parse(tmp_request); this->writeReply(outRequest); } void * LaunchMemberFunction(void * obj) { return ((Server *)obj)->processRequest(); } and then the pthread_create pthread_create(&handler[tcount], &attr, (void*)LaunchMemberFunction,(void*)&SServer); errors: SS_Twitter.cpp:819: error: invalid conversion from void* to void* ()(void) SS_Twitter.cpp:819: error: initializing argument 3 of int pthread_create(pthread_t*, const pthread_attr_t*, void* ()(void), void*)

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• Safari Extension - How to respond to Settings changes?

  - by Martin Marlow

  Hi, I'm currently working on an Extension for Safari 5 and I want to run a listener function whenever Settings changes are made. Apple provides an example for that, but it doesn't work for me. I currently have this listener function in my global html file: function numberChanged() { if(event.key == "number") alert("Number has changed!"); } safari.self.addEventListener("change", numberChanged, false); I hope somebody can help me. Does somebody know what I'm doing wrong?

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• How to Serialize a WPF Drawing?

  - by Néstor Sánchez A.

  Hi, maybe I'm missing something. I believed that WPF vector-based Drawings (like DrawingGroup, DrawingGeometry, etc.) were ready to be serialized. But they are not. So, should I navigate all these drawing childrens, and store they points, lines, brushes (that also are not serializable) and so on, and then made my custom serialization? Is really that difficult or I'm missing something pretty obvious? I mean, even serializing Bitmap images is easy. I thinked serializing vector-based drawings were easier (no quality loss, just descriptive info, no massive data). Thanks for your practical answers, alternate-way suggestions and comments!

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• EndpointNotFoundException when working through tutorials in Learning WCF

  - by Nicholas

  I am working through the book Learning WCF and on the first tutorial lab HelloIndigo I am receiving the following error. Could not connect to http://localhost:8000/HelloIndigo/HelloIndigoService. TCP error code 10061: No connection could be made because the target machine actively refused it 127.0.0.1:8000. It appears in the Client project on the line string s = proxy.HelloIndigo(); EndpointAddress ep = new EndpointAddress("http://localhost:8000/HelloIndigo/HelloIndigoService"); IHelloIndigoService proxy = ChannelFactory<IHelloIndigoService>. CreateChannel(new BasicHttpBinding(), ep); string s = proxy.HelloIndigo(); Console.WriteLine(s); Console.WriteLine("Press <ENTER> to terminate Client"); Console.ReadLine(); I have intensively googled on this but I am none the wiser. Can anyone explain the issue and how to remedy?

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• Add HTMl to CCK within Drupal

  - by Romelus96

  Hello im a newbie at using Drupal, and have come across a block in my progress. I have been using CCK to add new content types to my forms. I was wondering if there was any way to add to the form that is generated so that i may contain the elements and also insert visual html code like head rules etc. I have dabbled with the hook_form_alter() and it does not seem to help me in my efforts. Ive been through adjusting tpl.php files and such and have made no progress. Please if there is any one there in the inter-webs who is knowledgeable on this matter your advice would be greatly appreciated. Here is just an example of what I would want to do within the form: 1. Contain field elements within DIV's 2. Add HTML Content into the form

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• precompile App_LocalResources in Visual Studio

  - by jazbit

  My web-application project (not "web-site" project) is translated to 15 different languages using the ASP.NET's built-in resource engine (I have tons of *.aspx.resx file in the "App_LocalREsources" folder). All these resources are precompiled by ASP.NET when I first launch the application and it takes a LOT of time. A LOT. 5-10 minutes. I have to wait 5-10 minutes every time I make soe tiny change to my code to see how it works. Is there any way to compile these resource in Visual Studio? Changing the "Build Action" for all these resx-files to "Embedded resource" does not work :( (or I'm doing it wrong?) PS. I know I can write a batch file that will launch aspnet_compiler.exe and manually compile the app with all the resources, but thats a "hack". I need a documented "Visual Studio"-way to achieve this. Cause I have a setup-project for this app in the same solution, that picks up the "project output" of this web-app (and it won't pick-up any manually precompiled files I made)

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• iPhone - Browsing iPhone files through computer

  - by quano

  I want to be able to send files from an iPhone app to a computer. What would be the easiest way of doing this? I've made simple server client programs before, but in those, the client has always needed to connect to the server before being able to receive messages from it. There is an app for the iPhone called iSimulate, where you put a server on a Mac (the iPhone simulator), and then you use the iSimulate app of an iTouch or iPhone to send touch events to the server. This app does not require you to type in an ip-address. Instead it presents a list of available computers that have this server up and running. How exactly is this being done? Can a server broadcast a message over a network, w/o anyone being connected to the server? How does that work? How does a client listen for that broadcast? Here's a video of the app I'm talking about: http://www.youtube.com/watch?v=N3Qpd1ycZh4

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• ASP.NET MVC: Triggering an action before posting to Paypal payment gateway

  - by ajbeaven

  I'm in the middle of developing an e-commerce site that is using Paypal as it's payment gateway. All I want to do is run some code before the user heads off to Paypal to pay for their order, but I have no idea how to do it. The user should click a submit button, changes are made (in this case, the status of the order), and then the user is redirected to the payment gateway. Eg: [AcceptVerbs(HttpVerbs.Post)] public ActionResult GoToPaypal(FormCollection collection) { //change order status //send user to paypal where they pay for their order } So my question is how do you do application stuff and then redirect to paypal's payment gateway? Example HTML and C# would be lovely :)

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• There's a way to avoid AppleStore?

  - by Grassino87

  Hi, i need to develop an iPhone application that is a Client of serverside application. This application is not for customer but for sell agents. I know that if i try to send to Apple to put on Apple Store they reject it because the application have no sense for Apple Store. The company is small so i can't use the Enterprise program. The only way i can use now is to use Ad Hoc mode but in this case if i made an update you need iTunes and i must find a way to avoid this. Thanks for the help.

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• Unobtrusive Toggling failing in Rails

  - by sscirrus

  I've been at this for hours but it just isn't working. I'm trying to get ToggleJS working using Scriptaculous' Effects library. Specifically, the example: http://wiseheartdesign.com/page_attachments/0000/0075/demo.html. I got it working beautifully using a pure html file called new.html. I then converted it to new.html.erb so I can incorporate some of the animations into my Rails project and it stopped working! I tried both html and ruby javascript tags but neither are working, for example: <%= javascript_include_tag "application", "prototype", "effects", "lowpro", "toggle" %> The page's body is displaying on the browser, but without animations. I have made sure my javascript files are the same as the demo (plus, the html file is working with them anyway). Do you know where the problem might lie here with my .erb file?

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• JPA query for getting the whole tree

  - by Javi

  Hello, I have a class which models all categories and they can be ordered hierarchically. @Entity @Table(name="categories") public class Category { @Id @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="sequence") @SequenceGenerator(name="sequence", sequenceName="categories_pk_seq", allocationSize=1) @Column(name="id") private Long id; @Column private String name; @OneToOne @JoinColumn(name="idfather") private Category father; } I need to get all categories ordered hierarchically (I mean every father followed by its children and fathers ordered alphabetically on each level) as they could be made for example with PRIOR in oracle. Is it possible to do this with a JPA Query (not a SQL one)? Thanks.

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• Share pre-initialized GIT repository

  - by Theo.T

  We were sharing a GIT repository via file-sharing system (smb://) and got it badly corrupted (a power cut meanwhile the post-send :P). Being new to GIT, trying to fix it I made it even worse and I lost all the refs (left with the object folder). Since the incident I haven't had the time to look at the problem and have just been keeping committing to my local clone. So my question is : Is there a way to copy the local repository back to the location of the old repository and make it a shared repository in order to keep some track of previous the history ? That's all I could figure out (I'm still a git-noob), any other solutions are more than welcome ! Thanks in advance !

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• Open Source Queuing Solutions for peek, mark as done and then remove

  - by user330114

  I am looking at open source queuing platforms that allow me do the following: I have multiple producers, multiple consumers putting data into a queue in a multithreaded environment with the specific use case: I want the ability for consumers to be able do the following Peek at a message from the queue(which should mark as the message as invisible on the queue so that other consumers cannot consume the same message) The consumer works on the message consumed and if it is able to do the work successfully, it marks the message as consumed which should permanently delete it from the queue. If the consumer dies abruptly after marking the message as consumed or fails to acknowledge successful consumption after a certain timeout, the message is made visible on the queue again so that another consumer can pick it up. I've been looking at RabbitMQ, hornetQ, ActiveMQ but I'm not sure I can get this functionality out of the box, any recommendations on a system that gives me this functionality?

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• Grabbing random object from ArrayList is not random.

  - by Isai

  I am creating a method where if you pass in a parameter of type Random, then it will return a random object. Here is basically what I am trying to do: public T choose(Random r) { int randomInt = r.nextInt(randomList.size()); // randomList is just a instance variable return randomList.get(randomInt); } The random list has this the following strings:[2, 2, 2, 1, 1, 1, 1, c, c, c, a, a, a, a] Then I made a driver with the following code for (int i = 0; i < 10; i++) { System.out.print(rndList.choose(rnd)); // rnd is initialized as a static Random variable } However my outputs are not coming out random. I used the debugger and found out that my choose method generates an integer that is relatively low, so it will always print out either 2's or 1's but never c's or a's. I can't figure out why this is happening and help would be greatly appreciated.

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• Simple github fetch/merge not pulling in remote branch?

  - by chum of chance

  I have a project I forked on github to my repository. I made changes on the "experiment" branch of the project the committed the project to my fork. If you go to my branch on Github you can see the that the experiment branch was correctly committed. I would like to merge the experiment branch with the original repo (which I have rights to). I issued the following commands: git clone [email protected]:originalrepo/theproject.git git checkout -b experiment origin/experiment cd theproject git remote add experiment [email protected]:chumofchance/theproject.git git fetch experiment git merge experiment "Already up to date" However, when I view the project in explorer, it appears that nothing has changed. Am I screwing something up in regards to fetching the experiment branch (vs the master branch)?

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• How would you make a blog with a TDD approach?

  - by Earlz

  I'm considering remaking my blog(currently in PHP, but <100 lines of non-layout code) in Ruby on Rails just for the fun of it. I want to make another project in Rails, but I should learn Rails(more than hello world) before I go to try to create a full project. Another thing I want to do while remaking my blog is to at least figure out what TDD is all about. So how would you go about taking a Test Driven approach to the creation of a blog? What tests would you write? How would you begin? Everytime I visualize writing a blog it'd end up needing a million tests for a single component to fully test it. How do I avoid writing too many tests? Also, I am making this community wiki because I intend for this to basically be made into a mini tutorial/knowledge base...

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• How to generate semi transparent shapes in php using gdlib

  - by fabbrillo

  Hi, this is the script i made // Create image $img = imagecreatetruecolor($w, $h); // Transparent image $white = imagecolorallocate($img,255,255,255); imagefilledrectangle($img,0,0,$w,$h,$white); imagecolortransparent($img, $white); //imagealphablending( $img, true ); //imagesavealpha( $img, true ); // Shape color $bgColor = imagecolorallocatealpha($img, 100, 250, 250, 70); imagefilledrectangle($img, 15, 20, 50, 100, $bgColor); imagefilledrectangle($img, 10, 25, 60, 100, $bgColor); imagepng($img, 'file.png'); the problem is the rectangles are transparent among them but not with the background i mean, i need to create a transparent image with a semi transparent shape inside any suggestions? thanks for your help

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• Change a localized InfoPlist.strings using an Xcode target

  - by nevan

  Here's an obscure problem. I'm using an InfoPlist.strings to localize my app name. It's only got one value: CFBundleDisplayName = "Mon App". The strings file is localized (putting it in a directory for that localization). I've just made an extra target, where I change things like the non-localized app name (different Info.plists), and the icon. I'm also changing the Default.png using a run script build phase (copying different files depending on the app type I'm building). I've tried using the script to copy different versions of my InfoPlist.strings, but I couldn't make it work. Here's what I used: if($TARGET_NAME == "MonApp")then cp fr.lproj/MonApp_InfoPlist.strings fr.lproj/InfoPlist.strings endif I've seen a post suggesting wincent strings util for processing strings, but wanted to see if there's an easy way to do this. Any help greatly appreciated.

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• System.ComponentModel.Component in Visual Studio 2008

  - by Mark A Johnson

  I'm maintaining a .Net 2.0 application using Visual Studio 2008. When the application was built, it was originally in Visual Studio 2003 and made use of the System.ComponentModel.Component class for data access. You can drag and drop commands, connections, etc onto the designer surface of the component. In 2008, the data access classes don't "stick" to the component. I.e., the code for the command does not get generated in the class. when did this change? 2005? is there a replacement for this behavior, perhaps using the db pro edition? Thanks.

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• Fluent NHib causing visual studio 2010 hanging at runtime

  - by Berryl

  Just installed and migrated a 2008 solution on Vista ultimate 64 and .net 4.0. Everything builds and tests run surprisingly well but I got the hang description below while trying to run the app under SQLite. It turns out that the hang has got something to do when the call is made for FNH to build the session factory during a run, the only feedback I get is that the database wasn't configure properly without any inner exception. The strange part is that the exact code works perfectly under tests. Any clues? Description: A problem caused this program to stop interacting with Windows. Problem signature: Problem Event Name: AppHangB1 Application Name: devenv.exe Application Version: 10.0.30319.1 Application Timestamp: 4ba1fab3 Hang Signature: b9ed Hang Type: 6152 OS Version: 6.0.6002.2.2.0.256.1 Locale ID: 1033 Additional Hang Signature 1: 005de38e6b4bb3afd8e147932c6431cc Additional Hang Signature 2: d54c Additional Hang Signature 3: 05f671c8289bf8dd31e6ccfe265baa77 Additional Hang Signature 4: 784c Additional Hang Signature 5: c8207f54dadf3eb38dfcf1ae152f4229 Additional Hang Signature 6: ff83 Additional Hang Signature 7: 220932152f3f04fffb6ca3abf15e6dc6

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