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  • Decent profiler for Windows?

    - by olliej
    Does windows have any decent sampling (eg. non-instrumenting) profilers available? Preferably something akin to Shark on MacOS, although i am willing to accept that i am going to have to pay for such a profiler on windows. I've tried the profiler in VS Team Suite and was not overly impressed, and was wondering if there were any other good ones. [Edit: Erk, i forgot to say this is for C/C++, rather than .NET -- sorry for any confusion]

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  • converting rgb values to System.Drawing

    - by Chris
    Hi, I've looked around, but don't see this question - maybe its too easy, but I don't have it. If I have file containing color values like: 255, 65535, 65280 ( I think this is green) is there a way to either: convert these to a System.Drawing.Color type or....better yet.. have .NET accept them as is to represent the color? thanks,

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  • Trouble in type casting or any ideas ???

    - by ahmet732
    I write code below but it gives warning.. I identified dbdesc as a NSString but nothing changes.. How will I handle with this type of warnings? **[self.searchDetailViewController setText:appDelegate.dbdesc];** warning:'searchDetailViewController' may not respond to 'setText:' (Messages without a message method signatures will be assumed to return (id) and accept '...'as arguments )

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  • Rails: validates_acceptance_of acting crazy

    - by Sleepycat
    Whats wrong with this picture? Model: validates_acceptance_of :terms_of_service, :on => :create, :accept => true, :allow_nil => false accessor :terms_of_service View: <%= check_box :organisation,'terms_of_service', {:style => "margin-left:0px"}, 1, 0 %> And in the DB I have organisations.terms_of_service. Every time I get "Terms of service must be accepted" Any ideas?

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  • How to verify that post to website is coming from a specific purchased iPhone application?

    - by wgpubs
    I have an iPhone application that posts data to a web application ... and I want to only accept data posted from an iPhone application that was purchased from the iTunes store. Is there a way to do this? Is there something (or somethings) I can pass from the iPhone app to the web application that I can use to do such verification? Thanks much btw, using the asihttprequest library to handle requests/responses.

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  • Reg Google app engine datastore -primarykey

    - by megala
    hi, I created table in google Big table datastore ,In that the i set primary key using @annotations as follows @Id @Column(name = "groupname") private String groupname; @Basic private String groupdesc; I worked corretly,but it override the previous record,how to solve this for eg if i entered groupname=group1 groupdesc=groupdesc than it accept after that i enter same groupname it override previous record for eg groupname=group1 groupdesc=groups this record override previous one.

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  • Do most shared hosts handle gzipped files?

    - by Matrym
    I get them theoretically, but I'm grappling with gzipping files in practice. How should I go about gzip compressing my files, and what needs to be done in order to use them on a shared host? Would the following work? RewriteEngine On RewriteBase / RewriteCond %{HTTP:Accept-Encoding} .*gzip.* RewriteRule ^/(.*)\.js$ /$1.js.gz [L] RewriteRule ^/(.*)\.css$ /$1.css.gz [L] AddEncoding x-gzip text.gz

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  • UITextfield check if its a number

    - by Jacob
    Hi, How can I check if a user enters a number in my UITextField. Basically its a mark im accepting between 0-100 and it can be a decimal....I heard i can try to convert it to a NSNumber type and see if it returns null. Not suree Any help would be appreciated. I have tried if(grade.text doubleValue] == 0){ //Not a number } but then it still can accept "23f". Thanks

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  • Credit Card Payments

    - by klork
    I am working on a web application that needs allow my users to accept credit card payments from visitors to the website. This means a registered user should be able to charge another user's credit card, without either having a merchant account. Is my only option going with Paypal? Any other alternatives? Thanks

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  • C - How to use both aio_read() and aio_write().

    - by Slav
    I implement game server where I need to both read and write. So I accept incoming connection and start reading from it using aio_read() but when I need to send something, I stop reading using aio_cancel() and then use aio_write(). Within write's callback I resume reading. So, I do read all the time but when I need to send something - I pause reading. It works for ~20% of time - in other case call to aio_cancel() fails with "Operation now in progress" - and I cannot cancel it (even within permanent while cycle). So, my added write operation never happens. How to use these functions well? What did I missed? EDIT: Used under Linux 2.6.35. Ubuntu 10 - 32 bit. Example code: void handle_read(union sigval sigev_value) { /* handle data or disconnection */ } void handle_write(union sigval sigev_value) { /* free writing buffer memory */ } void start() { const int acceptorSocket = socket(AF_INET, SOCK_STREAM, 0); struct sockaddr_in addr; memset(&addr, 0, sizeof(struct sockaddr_in)); addr.sin_family = AF_INET; addr.sin_addr.s_addr = INADDR_ANY; addr.sin_port = htons(port); bind(acceptorSocket, (struct sockaddr*)&addr, sizeof(struct sockaddr_in)); listen(acceptorSocket, SOMAXCONN); struct sockaddr_in address; socklen_t addressLen = sizeof(struct sockaddr_in); for(;;) { const int incomingSocket = accept(acceptorSocket, (struct sockaddr*)&address, &addressLen); if(incomingSocket == -1) { /* handle error ... */} else { //say socket to append outcoming messages at writing: const int currentFlags = fcntl(incomingSocket, F_GETFL, 0); if(currentFlags < 0) { /* handle error ... */ } if(fcntl(incomingSocket, F_SETFL, currentFlags | O_APPEND) == -1) { /* handle another error ... */ } //start reading: struct aiocb* readingAiocb = new struct aiocb; memset(readingAiocb, 0, sizeof(struct aiocb)); readingAiocb->aio_nbytes = MY_SOME_BUFFER_SIZE; readingAiocb->aio_fildes = socketDesc; readingAiocb->aio_buf = mySomeReadBuffer; readingAiocb->aio_sigevent.sigev_notify = SIGEV_THREAD; readingAiocb->aio_sigevent.sigev_value.sival_ptr = (void*)mySomeData; readingAiocb->aio_sigevent.sigev_notify_function = handle_read; if(aio_read(readingAiocb) != 0) { /* handle error ... */ } } } } //called at any time from server side: send(void* data, const size_t dataLength) { //... some thread-safety precautions not needed here ... const int cancellingResult = aio_cancel(socketDesc, readingAiocb); if(cancellingResult != AIO_CANCELED) { //this one happens ~80% of the time - embracing previous call to permanent while cycle does not help: if(cancellingResult == AIO_NOTCANCELED) { puts(strerror(aio_return(readingAiocb))); // "Operation now in progress" /* don't know what to do... */ } } //otherwise it's okay to send: else { aio_write(...); } }

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  • Strange Java Socket Behavior (Connects, but Doesn't Send)

    - by Donald Campbell
    I have a fairly complex project that boils down to a simple Client / Server communicating through object streams. Everything works flawlessly for two consecutive connections (I connect once, work, disconnect, then connect again, work, and disconnect). The client connects, does its business, and then closes. The server successfully closes both the object output stream and the socket, with no IO errors. When I try to connect a third time, the connection appears to go through (the ServerSocket.accept() method goes through and an ObjectOutputStream is successfully created). No data is passed, however. The inputStream.readUnshared() method simply blocks. I have taken the following memory precautions: When it comes time to close the sockets, all running threads are stopped, and all objects are nulled out. After every writeUnshared() method call, the ObjectOutputBuffer is flushed and reset. Has anyone encountered a similar problem, or does anyone have any suggestions? I'm afraid my project is rather large, and so copying code is problematic. The project boils down to this: SERVER MAIN ServerSocket serverSocket = new ServerSocket(port); while (true) { new WorkThread(serverSocket.accept()).start(); } WORK THREAD (SERVER) public void run() { ObjectInputBuffer inputBuffer = new ObjectInputBuffer(new BufferedInputStream(socket.getInputStream())); while (running) { try { Object myObject = inputBuffer.readUnshared(); // do work is not specified in this sample doWork(myObject); } catch (IOException e) { running = false; } } try { inputBuffer.close(); socket.close(); } catch (Exception e) { System.out.println("Could not close."); } } CLIENT public Client() { Object myObject; Socket mySocket = new Socket(address, port); try { ObjectOutputBuffer output = new ObjectOutputBuffer(new BufferedOutputStream(mySocket.getOutputStream())); output.reset(); output.flush(); } catch (Exception e) { System.out.println("Could not get an input."); mySocket.close(); return; } // get object data is not specified in this sample. it simply returns a serializable object myObject = getObjectData(); while (myObject != null) { try { output.writeUnshared(myObject); output.reset(); output.flush(); } catch (Exception e) { e.printStackTrace(); break; } // catch } // while try { output.close(); socket.close(); } catch (Exception e) { System.out.println("Could not close."); } } Thank you to everyone who may be able to help!

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  • Regular expression required

    - by KhanS
    I have a regular expression "^[a-zA-Z+#-.0-9]{1,5}$" which validates that the word contains alpha-numeric characters and few special characters and length sould not be more than 5 characters. How do I make this regular expression to accept a maximum of five words matching the above regular expression.

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  • Confuse about which object should i assign the function to

    - by CliffC
    i have the following two class which convert object into xml string should i do something like class Person { public string GetXml() { //return a xml string } } or it is better to create another class which accept the person as a parameter and convert it into XML something like class PersonSerializer { public string Serialize(Person person) { // return a xml string } } Thanks

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  • Introduction to midi programming

    - by bobobobo
    So I have a little (musical) keyboard that has USB midi interface. I know you can program to this (many programs accept input from the midi device via USB interface) but where do you begin to program a midi device? Ideally I'm looking for a platform-independent api, through Python or something.

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  • Sending test emails in development without spam or rejection issues.

    - by Micah Burnett
    I run my development environment in a VM and need to test the delivery and appearance of emails from my applications. The problem is when my SMTP server starts delivering a lot of mail to my corporate email account, the server is soon rejected as a source of spam. Of course, the major Internet email providers will also never accept email from such a server. I've delivered to a specified pickup directory and open in outlook express, but the problem is images always display as broken images.

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  • How is it possible to legally write ::: in C++ and ??? in C#?

    - by daveny
    These questions are a kind of game, and I did not find the solution for them. It is possible to write ::: in C++ without using quotes or anything like this and the compiler will accept it (macros are prohibited too). And the same is true for C# too, but in C#, you have to write ???. I think C++ will use the :: scope operator and C# will use ? : , but I do not know the answers to them. Any idea?

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  • GridBoundColumn OnTextChanged event wiring

    - by Kobojunkie
    I have a GridBoundColumn in my RadGrid that should accept Zip input and based on input auto populates the State and City fields on my form. I would like to wire this up in such a way as to call a webservice on the back end or maybe repost the form only when the GridBoundColumn is changed. How do I wire this up please? Thanks in Advance

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