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• SWI-Prolog: how to load rdf triples using semweb/rdf_db library?

  - by Li Li

  Hi, I have a rdf file (file.trp) in n-triples format, where each line is: "subject predicate object ." I tried to use rdf_load in semweb/rdf_db to load it into memory, but failed. Here is what I tried: ?- rdf_load('file.trp'). ?- rdf_load('file.trp', [format(triples]). the manual says it supports xml and triples. But it only loads rdf xml files. How can I load such rdf triple file? Thanks, Li

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• google calendar java api

  - by tommaso

  Hello, I have an object of CalendarEntry I know that http://www.google.com/calendar/feeds/[email protected]/allcalendars/full is the feed url of all calendars but how I can get this feed url from CalendarEntry instance? Because I wanna post a new entry in a specified calendar and I need this url. Thanks!

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• Set seed on Math.random()

  - by Kevin

  Hi - I need to write some junit tests on java code that calls Math.random(). I know that I can set the seed if I was instantiating my own Random object to produce repeatable results. Is there a way to do this also for Math.random() ?

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• Can I change an NSDictionaries key?

  - by Mark Reid

  I have an NSDictionary object that is populated by NSMutableStrings for its keys and objects. I have been able to change the key by changing the original NSMutableString with the setString: method. They key however remains the same regardless of the contents of the string used to set the key initially. My question is, is the key protected from being changed meaning it will always be the same unless I remove it and add another to the dictionary? Thanks.

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• NSDecimalNumber leaks memory if not used with AutoRelease pool?

  - by bioffe

  NSString* str = [[NSString alloc] initWithString:@"0.05"]; NSDecimalNumber* num = [[NSDecimalNumber alloc] initWithString:str]; NSLog(@" %@", num); [str release]; [num release]; leaks memory *** __NSAutoreleaseNoPool(): Object 0x707990 of class NSCFString autoreleased with no pool in place - just leaking Can someone suggest a workaround ?

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• Php static variables across sessions

  - by pistacchio

  Hi, In ASP.NET if I declare a variable (or object) static (or if I make a singleton) I can have it persist across multiple sessions of multiple users (it it registered in a server scope) so that I don't have to initialize it at every request. Is there such a feature in PHP? Thanks

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• asp.net dropdownlist databind on init causes data loss

  - by user2191496

  On which event or how should I bind data to the dropdownlist to avoid selected value overridden? For some reasons, I can't use "IsPostBack" to bind data only on postback I've tried binding data on page init, it works ok but when postback, the selected value will be overridden (Loss) protected void Page_Init(object sender, EventArgs e) { this.BindData(); } protected void BindData() { //grab the source of dropdownlist }

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• Java Swing: Resize JMenuItem's icon, either automatically or programatically?

  - by TGP1994

  It seems that JMenuItems don't automatically resize any image icon that's assigned to them, and from what I can tell, there isn't a property that makes them automatically do that, either. Is anyone aware of a way that I can programatically resize the Icon for a JMenuItem? It seems like the Icon object is lacking functionality as it is, unless there's some other function that can actually deal with Icon objects.

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• question on NSUserDefault Class

  - by user174761

  I have value in 1 string for particular key. but NSUserDefault class method doesn't work properly and it doesn't set object of a string forkey . in short setobject forkey method is not working of NSUserDefault class. why is it so?

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• creating iPhone draggable objects

  - by james p

  I need to figure out how in the world do I create object instances (an image) and place them on the screen and have it draggable. I know how to draw an image (png) onto the screen, but how do I make it draggable?

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• Is there a clever way to pass the key to defaultdict's default_factory?

  - by Paul Oyster

  A class has a constructor which takes one parameter: class C(object): def __init__(self, v): self.v = v ... Somewhere in the code, it is useful for values in a dict to know their keys. I want to use a defaultdict with the key passed to newborn default values: d = defaultdict(lambda : C(here_i_wish_the_key_to_be)) Any suggestions?

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• Parsing a dictionary or list from a string in Python

  - by disconeckted

  What is the most straightforward way of making dictionary or list from a string in Python? Let's say I have string "{ 'x' : 3, 'y' : 4 }" and I want to parse it to a real dictionary object.

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• How to call a PHP class member function from a Java file?

  - by Jack

  I am using PHP/Java bridge to run PHP scripts on the Tomcat server. Can someone point me to an example as to how to call my PHP scripts from a Java file. <?php class X{ //variables //functions } ?> Now I want to call the member functions of class X using its object via a Java file. How do I do this?

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• How does Dictionary<T> work with key objects that don't implement Equals and GetHashCode?

  - by DayOne

  If I place a key object in an Dictionary that doesn't implement Equals and GetHashCode how does the Dictionary ContainsKey work? By checking the references are equal? Thanks

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• Return Statement in JS Constructors

  - by Tony

  What is the effect of a return statement in the body of JavaScript function when it's used as a constructor for a new object(with 'new' keyword)?

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• Hibernate (JPA) Entity with Static collection as a member

  - by Kyle Partridge

  Is it possible to have a static collection as a member of a hibernate entity? Say I have an object Question: public class Question { private String category; ... } Would it be possible to populate a static Set<String> that is a distinct set of all categories in the Database? I know I could just query this, but I was wondering if there was a more elegant solution, as it seems like something that other people may have come across.

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• Confirm function in codebehind

  - by Geetha

  Hi All, I am using the following code to show confirmation dialog box after finishing some update process in database. but it is not working for me. code: protected void imbtnUpdate_Click(object sender, ImageClickEventArgs e) { // Database process string javaScript = "<script language=JavaScript>\n " + "if(confirm('Do you want to update the files?'))window.location.href = \"Upload.aspx?ID=" + ID + "&pt=Gm&page=Gms\"; else return false;\n" + "</script>"; RegisterStartupScript("imbtnUpdate_Click", javaScript); }

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• Python Attributes and Inheritance

  - by user368186

  Say I have the folowing code: class Class1(object): def __init__(self): self.my_attr = 1 self.my_other_attr = 2 class Class2(Class1): def __init__(self): super(Class1,self).__init__() Why does Class2 not inherit the attributes of Class1?

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• When log shows a lot of GC hits, what code change shall we need?

  - by Pentium10

  When log shows a lot of Garbage Collection hits, what code change shall we need? Do we need to free some objects? Will we speed up the code with object reusal?

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• Is Perforce's C++ P4API thread-safe?

  - by Scott Bilas

  Simple question - is the C++ API provided by Perforce thread-safe? There is no mention of it in the documentation. By "thread-safe" I mean for server requests from the client. Obviously there will be issues if I have multiple threads trying to set client names and such on the same connection. But given a single connection object, can I have multiple threads fetching changelists, getting status, translating files through a p4 map, etc.?

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• C++ Exact difference between having myMethod(Thing& a) or myMethod(Thing a) ?

  - by Nils

  What is the exact difference between having myMethod(Thing& a) or myMethod(Thing a)? Because later you still ned to use &a if you want the address of the object.. I'm not sure when to use what..

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• What is the most recommended resource to learn PHP extensions?

  - by Itay Moav

  I need to learn how to develop PHP extensions. So, I assume I have to refresh my CPP skills (or is it C?). What IDE should I use (auto-completion, object browsers etc). I plan to develop on Ubuntu 32. Is there a good book or good website I can learn from?

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• Returning the size of available virtual memory at run-time in C++

  - by Greenhouse Gases

  In C++ is there a predefined library function that will return the size of RAM currently available on a computer a program is being run on, at run-time? For instance, if an object is 4bytes, then can we divide the available virtual memory by 4 bytes to give an estimate of how many more objects could be stored by the program safely? I have used the sizeof() function to return the size of objects within my program. Thanks

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• Code formatting for initializing lists

  - by Roman

  I've just found in my java project this code snippet: List<IssueType> selectedIssueTypes = new ArrayList<IssueType>(); for (Object item : selectedItems) selectedIssueTypes.add((IssueType) item); How do you think, can this style be used?

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• Using the HttpWebRequest class.

  - by Nick

  I instantiate the HttpWebRequest object: HttpWebRequest httpWebRequest = WebRequest.Create("http://game.stop.com/webservice/services/gameup") as HttpWebRequest; When I "post" the data to this service, how does the service know which web method to submit the data to? I do not have the code to this web service, all I know is that it was written in Java.

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