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  • Does Facebook have a list of icons that others can use?

    - by beatak
    For Facebook's 16x16 pixel icon, the following url is used fairly a lot, but this isn't stated by Facebook that people can use this, is it? http://static.ak.fbcdn.net/images/icons/favicon.gif Is there any official list of icons from Facebook that people can use their own site for Facebook Connect?

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  • stxxl Assertion `it != root_node_.end()' failed

    - by Fabrizio Silvestri
    I am receiving this assertion failed error when trying to insert an element in a stxxl map. The entire assertion error is the following: resCache: /usr/include/stxxl/bits/containers/btree/btree.h:470: std::pair , bool stxxl::btree::btree::insert(const value_type&) [with KeyType = e_my_key, DataType = unsigned int, CompareType = comp_type, unsigned int RawNodeSize = 16384u, unsigned int RawLeafSize = 131072u, PDAllocStrategy = stxxl::SR, stxxl::btree::btree::value_type = std::pair]: Assertion `it != root_node_.end()' failed. Aborted Any idea? Edit: Here's the code fragment void request_handler::handle_request(my_key& query, reply& rep) { c_++; strip(query.content); std::cout << "Received query " << query.content << " by thread " << boost::this_thread::get_id() << ". It is number " << c_ << "\n"; strcpy(element.first.content, query.content); element.second = c_; testcache_.insert(element); STXXL_MSG("Records in map: " << testcache_.size()); } Edit2 here's more details (I omit constants, e.g. MAX_QUERY_LEN) struct comp_type : std::binary_function<my_key, my_key, bool> { bool operator () (const my_key & a, const my_key & b) const { return strncmp(a.content, b.content, MAX_QUERY_LEN) < 0; } static my_key max_value() { return max_key; } static my_key min_value() { return min_key; } }; typedef stxxl::map<my_key, my_data, comp_type> cacheType; cacheType testcache_; request_handler::request_handler() :testcache_(NODE_CACHE_SIZE, LEAF_CACHE_SIZE) { c_ = 0; memset(max_key.content, (std::numeric_limits<unsigned char>::max)(), MAX_QUERY_LEN); memset(min_key.content, (std::numeric_limits<unsigned char>::min)(), MAX_QUERY_LEN); testcache_.enable_prefetching(); STXXL_MSG("Records in map: " << testcache_.size()); }

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  • Access XAMPP Localhost from Internet

    - by coool
    Hi, I have XAMPP installed in local laptop. And I have a almost static ip. I would like to give the ip to other to run it from thier browser. I configured apache httpd-vhosts.conf to listen my ip address:80 and added the virtual server with the ip address and domain root to local httdocs directory and the servername as localhost. Apache doesn't start. what should I do to access my website from external computer. THnks

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  • What is AGL on .NET Compact Framework?

    - by SmartJJ
    What is AGL on .NET Compact Framework?? Any information about it would be very appreciated! For Example(Code from .NET Compact Framework): DllImport("AGL", EntryPoint="@106")] public static extern PAL_ERROR Blt(IntPtr howThis, IntPtr howSrc, ref RC rcSrc, ref RC rcDst, int cvKey, AGL_BLT md); public void Save(Stream stream, ImageFormat format) { if (stream == null) { throw new ArgumentNullException("stream"); } if (!stream.CanSeek || !stream.CanWrite) { throw new ArgumentException(); } MISC.HandleAr(GL.SaveImage(this.m_how, format.m_imgfmt, StreamWrapper.CreateStreamCallback(stream))); }

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  • A question about making a C# class persistent during a file load

    - by Adam
    Apologies for the indescriptive title, however it's the best I could think of for the moment. Basically, I've written a singleton class that loads files into a database. These files are typically large, and take hours to process. What I am looking for is to make a method where I can have this class running, and be able to call methods from within it, even if it's calling class is shut down. The singleton class is simple. It starts a thread that loads the file into the database, while having methods to report on the current status. In a nutshell it's al little like this: public sealed class BulkFileLoader { static BulkFileLoader instance = null; int currentCount = 0; BulkFileLoader() public static BulkFileLoader Instance { // Instanciate the instance class if necessary, and return it } public void Go() { // kick of 'ProcessFile' thread } public void GetCurrentCount() { return currentCount; } private void ProcessFile() { while (more rows in the import file) { // insert the row into the database currentCount++; } } } The idea is that you can get an instance of BulkFileLoader to execute, which will process a file to load, while at any time you can get realtime updates on the number of rows its done so far using the GetCurrentCount() method. This works fine, except the calling class needs to stay open the whole time for the processing to continue. As soon as I stop the calling class, the BulkFileLoader instance is removed, and it stops processing the file. What I am after is a solution where it will continue to run independently, regardless of what happens to the calling class. I then tried another approach. I created a simple console application that kicks off the BulkFileLoader, and then wrapped it around as a process. This fixes one problem, since now when I kick off the process, the file will continue to load even if I close the class that called the process. However, now the problem I have is that cannot get updates on the current count, since if I try and get the instance of BulkFileLoader (which, as mentioned before is a singleton), it creates a new instance, rather than returning the instance that is currently in the executing process. It would appear that singletons don't extend into the scope of other processes running on the machine. In the end, I want to be able to kick off the BulkFileLoader, and at any time be able to find out how many rows it's processed. However, that is even if I close the application I used to start it. Can anyone see a solution to my problem?

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  • 2 roles, admin and user. Is using anything other than basic http auth overkill?

    - by juststarting
    I'm building my first website with rails,it consists of a blog, a few static pages and a photo gallery. The admin section has namespaced controllers. I also want to create a mailing list, collecting contact info, (maybe a spree store in the future too.) Should I just use basic http authentication and check if the user is admin? Or is a plugin like authlogic better, then define user roles even though there would only be two; admin and user?

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  • JBoss 4.2.3 - how to find path to jar file

    - by Gribbler
    I'm getting an error in a JBOSS application: Static Method [addHeader] not found on JavaBean [class com.ppnet.webservice.WebserviceHeaderWriter] I have checked the WebserviceHeaderWriter.jar that gets deployed into JBOSS and checked it in eclipse. It looks as if it should have this method on it. I think that the JBoss application might be loading a different version of the WebserviceHeaderWriter.jar without this method on it, is there a way to check the location of the file that is getting loaded?

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  • Drag N Drop utilizing simple cursor

    - by Cameron
    I'm using CommonsGuy's drag n drop example and I am basically trying to integrate it with the Android notepad example. Drag N Drop Out of the 2 different drag n drop examples i've seen they have all used a static string array where as i'm getting a list from a database and using simple cursor adapter. So my question is how to get the results from simple cursor adapter into a string array, but still have it return the row id when the list item is clicked so I can pass it to the new activity that edits the note. Here is my code: Cursor notesCursor = mDbHelper.fetchAllNotes(); startManagingCursor(notesCursor); // Create an array to specify the fields we want to display in the list (only NAME) String[] from = new String[]{WeightsDatabase.KEY_NAME}; // and an array of the fields we want to bind those fields to (in this case just text1) int[] to = new int[]{R.id.weightrows}; // Now create a simple cursor adapter and set it to display SimpleCursorAdapter notes = new SimpleCursorAdapter(this, R.layout.weights_row, notesCursor, from, to); setListAdapter(notes); And here is the code i'm trying to work that into. public class TouchListViewDemo extends ListActivity { private static String[] items={"lorem", "ipsum", "dolor", "sit", "amet", "consectetuer", "adipiscing", "elit", "morbi", "vel", "ligula", "vitae", "arcu", "aliquet", "mollis", "etiam", "vel", "erat", "placerat", "ante", "porttitor", "sodales", "pellentesque", "augue", "purus"}; private IconicAdapter adapter=null; private ArrayList<String> array=new ArrayList<String>(Arrays.asList(items)); @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); adapter=new IconicAdapter(); setListAdapter(adapter); TouchListView tlv=(TouchListView)getListView(); tlv.setDropListener(onDrop); tlv.setRemoveListener(onRemove); } private TouchListView.DropListener onDrop=new TouchListView.DropListener() { @Override public void drop(int from, int to) { String item=adapter.getItem(from); adapter.remove(item); adapter.insert(item, to); } }; private TouchListView.RemoveListener onRemove=new TouchListView.RemoveListener() { @Override public void remove(int which) { adapter.remove(adapter.getItem(which)); } }; class IconicAdapter extends ArrayAdapter<String> { IconicAdapter() { super(TouchListViewDemo.this, R.layout.row2, array); } public View getView(int position, View convertView, ViewGroup parent) { View row=convertView; if (row==null) { LayoutInflater inflater=getLayoutInflater(); row=inflater.inflate(R.layout.row2, parent, false); } TextView label=(TextView)row.findViewById(R.id.label); label.setText(array.get(position)); return(row); } } } I know i'm asking for a lot, but a point in the right direction would help quite a bit! Thanks

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  • Cache headers in Rails

    - by Dimitar Vouldjeff
    Hi, I`m trying to add cache headers on my static files (.css, .js), but only way I found is with some .htaccess stuff that make the page to throw 500 error. So my question is whether there is easier way to add those headers? Thanks in advance.

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  • Why do I need an intermediate conversion to go from struct to decimal, but not struct to int?

    - by Jesse McGrew
    I have a struct like this, with an explicit conversion to float: struct TwFix32 { public static explicit operator float(TwFix32 x) { ... } } I can convert a TwFix32 to int with a single explicit cast: (int)fix32 But to convert it to decimal, I have to use two casts: (decimal)(float)fix32 There is no implicit conversion from float to either int or decimal. Why does the compiler let me omit the intermediate cast to float when I'm going to int, but not when I'm going to decimal?

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  • C# Generics - Strange Interview Question

    - by udana
    An interviewer argued me "Genrics are not completely Genrics", He provided the example (Parameters int k,int d are not generic) public static void PrintThis<T>(T a, T b, T c, int k,int d) { } He asked me if i prove still it is generics , i will be allowed to take up the next round. I did not know what he is expecting from me,and what he really means by showing such example. Guide me how to smartly face such a strange interview ?. Thanks in advance.

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  • Managed c++ cross threading

    - by Nitroglycerin
    I got a thread: static void TestThread(System::Object ^obj) { Bot ^ob = (Bot^) obj; while( ob->Threads[0]->IsAlive ){ ob->textBox->text = "test"; // Cross threading error... Thread::Sleep(100); } } Dont know what to do i read about InvokeRequired and Invoke but didnt understand it.. Please help

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  • How to create a database deadlock using jdbc and JUNIT

    - by Isawpalmetto
    I am trying to create a database deadlock and I am using JUnit. I have two concurrent tests running which are both updating the same row in a table over and over again in a loop. My idea is that you update say row A in Table A and then row B in Table B over and over again in one test. Then at the same time you update row B table B and then row A Table A over and over again. From my understanding this should eventually result in a deadlock. Here is the code For the first test. public static void testEditCC() { try{ int rows = 0; int counter = 0; int large=10000000; Connection c=DataBase.getConnection(); while(counter<large) { int pid = 87855; int cCode = 655; String newCountry="Egypt"; int bpl = 0; stmt = c.createStatement(); rows = stmt.executeUpdate("UPDATE main " + //create lock on main table "SET BPL="+cCode+ "WHERE ID="+pid); rows = stmt.executeUpdate("UPDATE BPL SET DESCRIPTION='SomeWhere' WHERE ID=602"); //create lock on bpl table counter++; } assertTrue(rows == 1); //rows = stmt.executeUpdate("Insert into BPL (ID, DESCRIPTION) VALUES ("+cCode+", '"+newCountry+"')"); } catch(SQLException ex) { ex.printStackTrace(); //ex.getMessage(); } } And here is the code for the second test. public static void testEditCC() { try{ int rows = 0; int counter = 0; int large=10000000; Connection c=DataBase.getConnection(); while(counter<large) { int pid = 87855; int cCode = 655; String newCountry="Jordan"; int bpl = 0; stmt = c.createStatement(); //stmt.close(); rows = stmt.executeUpdate("UPDATE BPL SET DESCRIPTION='SomeWhere' WHERE ID=602"); //create lock on bpl table rows = stmt.executeUpdate("UPDATE main " + //create lock on main table "SET BPL="+cCode+ "WHERE ID="+pid); counter++; } assertTrue(rows == 1); //rows = stmt.executeUpdate("Insert into BPL (ID, DESCRIPTION) VALUES ("+cCode+", '"+newCountry+"')"); } catch(SQLException ex) { ex.printStackTrace(); } } I am running these two separate JUnit tests at the same time and am connecting to an apache Derby database that I am running in network mode within Eclipse. Can anyone help me figure out why a deadlock is not occurring? Perhaps I am using JUnit wrong.

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  • Has the `message-passing/shared-state' dilemma (concurrency & distribution) taken form of a `Holywar

    - by Bubba88
    I'm not too well-informed about the state of the discussion about which model is better, so I would like to ask a pretty straight question: Does it look like two opposing views having really heatened dispute? E.g. like prototype/class based OOP or dynamic vs. static typing (though these are really not much fitting examples, I just do not know how to express my question more clearly)

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  • How do I get the year drop down with a textfield

    - by Sanjib Karmakar
    I am creating a domain class named HOLIDAY in grails.I need to have a year dropdown in my Holiday year field. Hear is my domain:- class Holiday extends CategoryMaster { String holidayName Date startDate int year Date dateCreated static constraints = { holidayName(blank:false,nullable:false) } } I need to a year dropdown in year field, Should it come dynamically from a domain method that will discard the month & day and reflect only year in that dropdown adding +50 -50 to that?... How can I get it?

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  • A question about GC

    - by chun
    This is a quesiton taken from a java exam, How many objects are eligible for gabage collection at #1 ? public class Main { Integer x = 32768; public static void main(String[] args) { Main m = new Main(); m = null; // #1 } } I thought it just collect Integer x, does GC even collect the Main object m?

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  • help me understand the method Validator.TryValidateObject()

    - by Benny
    this is the method definition: public static bool TryValidateObject( Object instance, ValidationContext validationContext, ICollection<ValidationResult> validationResults, bool validateAllProperties ) what i am confused is the validateAllProperties parameter, I understand when it is true-validate all properties. What about when it is false, not validate all properties, but which property will be validated?

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  • iOS: Text translation from English to different language and visa-versa

    - by AppleDeveloper
    I want to translate English texts to different languages from my iPad App. These texts are generated dynamically from the front end website so I can use static mapping between English and other language. Basically I will receive line of text in English from the server and I want to convert it to iPad's Locale language settings and display it. Is there anyone I can achieve this? Can I use Google translator? Thanks.

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