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  • Help in setting the setClientInfo with JPA

    - by enrique
    i am trying to set to jpa the new JDBC method which allows the application to be identified with a name it is the setClientInfo() and i could do it using pure JDBC using the lines Properties jdbcProperties = new Properties(); jdbcProperties.put("user", "system"); jdbcProperties.put("password", "sw01"); jdbcProperties.put("v$session.program", "Clients"); Connection connection = DriverManager.getConnection(url,jdbcProperties); However i have new requirements and i need to make it with JPA EclipseLink i have been googling and could not find something substantial on how to set this property out in JPA i guess it is by annotating something but i do not know what, i was trying to setting the persistence unit by putting the following in the persistence unit: <properties> <property name="toplink.ddl-generation" value="create-tables"/> <property name="v$session.program" value="Clients"/> </properties> but no lucky ...does somebody know how to do it or any idea...? thanks in advanced.-

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  • c++: strange syntax in what() method of std::exception

    - by Patrick Oscity
    When i am inheriting from std::exception in order to define my own exception type, i need to override the what() method, which has the following signature: virtual const char* what() const throw(); This definitely looks strange to me, like if there were two method names in the signature. Is this some very specific syntax, like with pure virtual methods, e.g.: virtual int method() const = 0; or is this a feature, that could somehow be used in another context, too? And if so, for what could it be used?

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  • Writing complex records to file

    - by DrSobhani
    Hi I have defined some records in my project which may be consisted of other records and also dynamic arrays of normal data types and other records , it is n example of a record type Type1=record x:integer; end; Type2=record Y:array of X; str:string; end; When I tried to save one of variables of these records type to file with blockwrite function like this : var Temp1:Type2; begin setlength(temp1.y,100); blockwrite(MyFile,Temp1,sizeOf(Temp1); it just wrote as much as the size of pure record is ,but temp1 has a dynmic arrays which is resized , Could someone please tell me how I can write a complex record to a file , I mean something like what is used in VB6 . Thanks

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  • iPhone / Android: what protocol stacks do apps use for connecting to centralised services?

    - by Richard
    Hi All, Aplogies for the ignorant question, I have no experience with app development on any mobile platform. Basically what I want to know is what communication protocols do apps typically use for accessing/querying centralised services? E.g if I port a webapp/service to iPhone/Andriod, typically how would I access/query this web service in my app? E.g is it over HTTP, or are there other protocols? Also, presumably the GUI of an app is constructed with Apple/Andriod GUI libraries (in java? cocoa?). Can an app GUI be defined with HTML/javascript like a webpage? Sorry again for the pure noob questions. Thanks

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  • using arrays to get best memory alignment and cache use, is it necessary?

    - by Alberto Toglia
    I'm all about performance these days cause I'm developing my first game engine. I'm no c++ expert but after some research I discovered the importance of the cache and the memory alignment. Basically what I found is that it is recommended to have memory well aligned specially if you need to access them together, for example in a loop. Now, In my project I'm doing my Game Object Manager, and I was thinking to have an array of GameObjects references. meaning I would have the actual memory of my objects one after the other. static const size_t MaxNumberGameObjects = 20; GameObject mGameObjects[MaxNumberGameObjects]; But, as I will be having a list of components per object -Component based design- (Mesh, RigidBody, Transformation, etc), will I be gaining something with the array at all? Anyway, I have seen some people just using a simple std::map for storing game objects. So what do you guys think? Am I better off using a pure component model?

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  • 3-clique counting in a graph

    - by Legend
    I am operating on a (not so) large graph having about 380K edges. I wrote a program to count the number of 3-cliques in the graph. A quick example: List of edges: A - B B - C C - A C - D List of cliques: A - B - C A 3-clique is nothing but a triangle in a graph. Currently, I am doing this using PHP+MySQL. As expected, it is not fast enough. Is there a way to do this in pure MySQL? (perhaps a way to insert all 3-cliques into a table?)

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  • Can I batch based on a Property (not just Items)?

    - by Josh Buedel
    I have a property group, like so: <PropertyGroup> <Platform>Win32;x64</Platform> </PropertyGroup> And I want to batch in an Exec task, like so: <Exec Command='devenv MySolution.sln /Build "Release|%(Platform)"' /> But of course, as written I get an error: error MSB4095: The item metadata %(Platform) is being referenced without an item name. Specify the item name by using %(itemname.Platform). Can I batch tasks on properties that are lists? I suppose I could hack it by creating a placeholder ItemGroup with metadata and batch on that.

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  • ask. help me to compare two array of integers and the order does not matter.

    - by stdnoit
    [Example] <1 2 3 4 = <3 1 2 4 <1 2 3 4 != <3 4 1 1 and ummm it is in java. cant use hashmap table or anything just pure without library. I know there are two ways. 1. sort them and compare the array index by index 2. use two for loops and compare the outer index with the inner index. ( i have been trying with this but still not working) for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(a[i] != a[j] && j == n) return false; } } return true; anything wrong with the code ? thanks

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  • How do I find out which process is locking a file using .NET?

    - by AJ
    I've seen several of answers about using Handle or Process Monitor, but I would like to be able to find out in my own code (C#) which process is locking a file. I have a nasty feeling that I'm going to have to spelunk around in the win32 API, but if anyone has already done this and can put me on the right track, I'd really appreciate the help. Update Links to similar questions How does one figure out what process locked a file using c#? Command line tool Across a Network Locking a USB device Unit test fails with locked file deleting locked file

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  • What is the universal way to use file I/O API with unicode filenames?

    - by dma_k
    In Windows there is a common problem: the filenames should be converted to local codepage, before they are passed to open(). Of course, there is a possibility to use Win32::API for that, but I don't want my script to be platform-dependent. At the moment I have to write something like: open IN, "<", encode("cp1251", $filename) or die $!; but is there any library, that hides these details? I think the local codepage can be automatically detected, so I just want to pass unicode filename and forget about the details. Why is it still not in the box?

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  • Slick PHP based image manager for managing user profile images

    - by franko75
    Hi, I'm just throwing this out there as I'm plodding my way through creating a Member Photo album on a site i'm working on, where they can login and upload their photos to a personal gallery. I want this to be nice and lightweight, but still slick and "modern" with a modal based interface for the user. I'm surprised though that there is seemingly nothing open source out there which fits the bill - I've done a few searches on Google to no avail and can't seem to find anything. Lots of bloated photo galleries out there but nothing looks like it has been developed using more recent technologies. Is anyone aware of anything which might suit what I'm looking for? I'm fully prepared to try and code it myself but I'd be delighted if I didn't have to! Pure laziness you might say, but there's no point reinventing the wheel.

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  • Is WinForms ListView in VirtualMode limited to 100,000,000 rows?

    - by damageboy
    I have some grid scenario with 500,000,000 rows I would like to display in ListView. If I artificially limit my ListView to display 100,000,000: _listView.VirtualListSize = _data.Count; if (_listView.VirtualListSize > 100000000) _listView.VirtualListSize = 100000000; Everything works fine (In VirtualMode naturally). When I change my code to: _listView.VirtualListSize = _data.Count; if (_listView.VirtualListSize > 100000001) _listView.VirtualListSize = 100000001; The ListView display an empty grid... Is this a Microsoft Bug? Where is this coming from? Is this a Win32 ListView limitation? Most importantly, why is this not documented?

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  • PHP how to send email basic

    - by user329394
    hi all, im using PHP tu send email from my localhost to other people. can tell me what should i need to do that? for eg should i need to install mailserver? If im not mistaken theres is a language that u dont need a mailsever to send email. is it right? inside the PHP.ini, there are [mail function] how to configure this? i checked on the net, but not really understand how it works. [mail function] ; For Win32 only. SMTP = localhost smtp_port = 25 sendmail_from [email protected] //not sure how to write this?

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  • How do I bind a click to an anchor without a framework (javascript)

    - by Stomped
    I know this is easily done in jQuery or any other framework, but that's not really the point. How do I go about 'properly' binding a click event in pure javascript? I know how to do it inline (I know this is terrible) <a href="doc.html" onclick="myFunc(); return false">click here</a> and this causes my javascript to execute for a JS enabled browser, and the link to behave normally for those without javascript? Now, how do I do the same thing in a non-inline manner?

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  • Tiny C Compiler and Virus warnings...

    - by NoMoreZealots
    I wanted to try out the TCC and got the Win32 Binary zip file from the website. upon decompressing it I tried to compile the "hello_win.c" source from the example directory. As soon as the compiler tried to write to the disk McAfee Popped up a dialog box and identified a Trojan named "Generic.dx." Has anyone else experience this? Dropping a virus into a compiler would be a sneaky, but brilliant, delivery mechanizism. I just want to know if this is a legit threat.

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  • SWIG: Throwing exceptions from Python to C++

    - by wheaties
    We've got an interface we've defined in C++ (abstract class, all functions pure virtual) which will be extended in Python. To overcome the cross-language polymorphism issues we're planning on using SWIG directors. I've read how to catch exceptions thrown from C++ code in our Python code here, here, here, and even on SO. It's fairly straight forward and I'm not expecting issues with handling our library's own exceptions. What I'd like to know and can't seem to find in the documentation is how to have our Python implementation of the extended C++ interface throw those C++ exceptions in a way that makes them visible to the C++ code. We could make small functions within the *.i files such that each function throws our exceptions: void throw_myException(){ throw MyException; } but I'm wondering how it will interact with the Python code. Anyone have any experience with throwing C++ exceptions from Python code?

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  • How to edit Google Adsense?

    - by mtokoly
    I am trying to find out if one can still edit their google ads. I would like mine to appear how i have it below. Two Ads (and no more), Pure text (no arrows), and the "Ads by Google" on top. Is there something i am missing?? do i have to be a premium member?? Please help. Ads by Google Title to Ad The description of the ad on this line. www.examplead.com Title to Ad The description of the ad on this line. www.examplead.com

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  • Screenflow based application in Adobe Flex/Flash

    - by iceman
    I'm searching for some code samples for my Flash application. The app is based on screen-flows , i.e each screen is defined with some visual elements with some buttons which have async events associated with them(consuming web services basically). The buttons also have functionality to go back and forth between screens and jump to any screen. I want to define all of the visual elements and the functionality of the events in a XML file. Thus the model, view and controller are all in the XML. Does any framework allow this like Pure MVC? Where can I find some examples of this kind of functionality that I want?

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  • Start a thread using a method pointer

    - by Michael
    Hi ! I'm trying to develop a thread abstraction (POSIX thread and thread from the Windows API), and I would very much like it to be able to start them with a method pointer, and not a function pointer. What I would like to do is an abstraction of thread being a class with a pure virtual method "runThread", which would be implanted in the future threaded class. I don't know yet about the Windows thread, but to start a POSIX thread, you need a function pointer, and not a method pointer. And I can't manage to find a way to associate a method with an instance so it could work as a function. I probably just can't find the keywords (and I've been searching a lot), I think it's pretty much what Boost::Bind() does, so it must exist. Can you help me ?

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  • PHP Guideline required

    - by user160820
    I am interested in learning PHP, but the books that I read are in procedural style and the source code that I try to reay are also mixtures of SQL,PHP and HTML. My Background is from Java. What I want to learn is PHP really with seprate Layers. Database Layer, Controller and View but I don't want to use any Framework. I also have fried some OOP PHP books, but they not what I am lloking for. What I need is a book or any Document that develops a sample website in pure PHP but in OOP style. Any Help. Thanks a lot in advance.

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  • Is it possible to make a div 50px less than 100% in CSS?

    - by Derek
    Exact duplicate > http://stackoverflow.com/questions/11103728/css-to-achieve-width100-150px > http://stackoverflow.com/questions/8877827/how-can-an-element-have-a-width-of-100-50px-using-only-css > http://stackoverflow.com/questions/651317/div-width-100-minus-fixed-amount-of-pixels > http://stackoverflow.com/questions/899107/how-can-i-do-width-100-100px-in-css Is it possible to make a div 50px less than 100% in pure CSS? I want the <div> to be only 50px less than 100%. I don't want any JavaScript.

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  • Content Assist problem in eclipse 3.5

    - by user361996
    I've got a Content Assist problem in eclipse 3.5, which is eclipse-java-galileo-win32.zip. When I press Alt+/(I've changed Ctrl+Space to this) in Java Editor, no assistant tips are shown up. I've solved this problem and I'd like to share my experience. 1 Eclipse--Preferences--General--Keys; 2 Search 'Content Assist'; 3 You'll find that in 'When' Field, the default value is 'in dialogs and window', change it to 'Editing Java Source', then press 'OK' to save; I can not post a image, but here is a link: http://www.freeimagehosting.net/image.php?e0987ea847.png That's All.

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  • Reason for .Net UI Element Thread-restriction

    - by Charles Bretana
    We know that it is not possible to execute code that manipulates the properties of any UI element from any thread other than the thread the element was instantiated on... My question is why? I remember that when we used COM user interface elements, (in COM/VB6 days), that all UI elements were created using COM classes and co-classes that stored their resources using a memory model referred to as Thread-Local-Storage (TLS) , but as I recall, this was required because of something relaetd to the way COM components were constructed, and should not be relevant to .Net UI elements. Wha's the underlying reason why this restriction still exists? Is it because the underlying Operating System still uses COM-based Win32 API classes for all UI elements, even the ones manipulated in a managed .Net application ??

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  • what code is this?

    - by Sachindra
    <p style="margin-bottom: 0in;"><meta http-equiv="CONTENT-TYPE" content="text/html; charset=utf-8"><title></title><meta name="GENERATOR" content="OpenOffice.org 2.4 (Win32)"><style type="text/css"> <!-- @page { size: 8.5in 11in; margin: 0.79in } P { margin-bottom: 0.08in } --> </style> </meta></meta></p> While copying text from some sites, this code got appended automatically. Can you please help me with what code is this??? will this affect the appearance of other text on the site?? why does this text gets appended???

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