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  • How to send stream data via Bluetooth from an iPhone/iPod Touch to a Windows C++ application?

    - by PLinhol
    Hello, I need to develop an iPhone/iPod Touch application that creates a server to send some data stream (characters or bytes) to a Windows C++ application via Bluetooth. I'm thinking of creating a TCP connection, but don't know where to start. What iPhone API should I use do to something like this? Does anyone knows some code examples that i can use to do this? And in Windows, what should I use to support this kind of communication? Thanks

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  • How do i do background processing in Windows Mobile 6

    - by d1k_is
    Im making a windows mobile app and i was wondering how i go about doing background processing (ie. threading) The built in .NET class doesnt seem to work properly, they just run the code in the same process, unless thats just the emulator. Anyway, is there a special way to do this with windows mobile?

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  • Perl Term::ReadKey don't wait for newline

    - by tim
    In a perl script, I'm trying to accept input without blocking and without echoing the characters entered (The script is producing output and I want to have 'hotkeys' to alter its behaviour). I got as far as using use Term::ReadKey; ReadMode( "cbreak", STDIN ); if($input = ReadKey($pause_time, STDIN)){ #process input } But once the user types anything then the script stops until a newline is entered. I'd like the input to be processed per-character, without waiting for a newline.

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  • Newbie: understanding main and IO()

    - by user1640285
    While learning Haskell I am wondering when an IO action will be performed. In several places I found descriptions like this: "What’s special about I/O actions is that if they fall into the main function, they are performed." But in the following example, 'greet' never returns and therefore nothing should be printed. import Control.Monad main = greet greet = forever $ putStrLn "Hello World!" Or maybe I should ask: what does it mean to "fall into the main function"?

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  • Is it alright to call len() in a loop's conditional statement?

    - by DormoTheNord
    In C, it is considered bad practice to call strlen like this: for ( i = 0; strlen ( str ) != foo; i++ ) { // stuff } The reason, of course, is that it is inefficient since it "counts" the characters in a string multiple times. However, in Python, I see code like this quite often: for i in range ( 0, len ( list ) ): # stuff Is this bad practice? Should I store the result of len() in a variable and use that?

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  • Iphone sdk code to capture images at 15 FPS on 3g mobile and sending to ffmpeg server .

    - by user286517
    I'm writing an app code to do video recording on iPhone much like all the available apps :) ... All im trying to do is capture screen from iPhone camera on 3g mobile and sending them to server .. but want some time efficient approach for sending to server and capturing image sequences ... its like i want to send 15 images / second to server in one single go :P i've set up server with FFMPEG and other codecs so their is no issue in generation of live video / stream .... Help me ...special reward for best helping answer

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  • How to check in which position (landscape or portrait) os the iPhone now?

    - by Knodel
    I have an app with a tab bar, and nav controllers in each tab. When user shakes the device, a UIImageView appears as a child view in the nav controller. But the UIImageView must contain a special image, depending on the device's current orientation. If I write just - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation) if (interfaceOrientation == UIInterfaceOrientationPortrait|| interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) { //Code } else if (interfaceOrientation == UIInterfaceOrientationLandscapeRight||interfaceOrientation == UIInterfaceOrientationLandscapeLeft) { //Code } } The view just goes crazy if user rotated the device before shaking. Is there a method to get iPhones current orientation?

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  • replace new lines with comas in shell

    - by mpapis
    I want to replace new lines in text with coma or space but do not change the last new line. I know of this question: How to replace new lines with tab characters - but it does produce an tab on end instead of new line. So far I have come with: awk 'NR>1{printf","} {printf $1} END{printf"\n"}' Is there an easier way to do this? This is not an assignment, I am just curious want to level up my scripting.

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  • Searching major search engines with text such as <%#

    - by Daniel Dyson
    If I type '<%# vs <%"' into any of the major search engines, everything is stripped out except the 'vs'. I understand why they do this. I would just like to know if anyone knows of a way to escape illegal characters so that they are searched properly. I know this is not strictly a programming question, but it is relevant.

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  • Base64url and Base64 facebook

    - by Shekhar_Pro
    I have actually 2 questions: 1)What is the difference between base64url encoding and base64 encoding and 2)How base64url encode is different from Facebooks base64url encode because facebook mentions that it sends url in a form of base64url but with no padding and two different characters. http://developers.facebook.com/docs/authentication/canvas (under Why Sign calls) Can anyone plese provide a pseudocode with explaination for converting to and from each other.

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  • What hash/map based programming language exist?

    - by Davorak
    Much like lisp is often considered a list based programming language what languages are considered map based? I remember reading about one a few years back, but can not longer find a reference to it. It looked something like: [if:test then:<code> else:<more code>] edit: and more where quoted code blocks which would be conditional evaluated. In this fashion if/cond and others would not be special form as they are in lisp/scheme.

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  • detect a postback from a radiobutton list

    - by user228777
    I am trying to detect a postback from Radiobutton list. I am trying to use following code: If Page.Request.Params.Get("__EVENTTARGET") = optDownload.UniqueID.ToString Then But Page.Request.Params.Get("__EVENTTARGET") returns "ctl00$ContentPlaceHolder1$pnlBarAccounts$i0$i2$i0$CHChecking$Acct1$optDownload$4" And = optDownload.UniqueID.ToString returns "ctl00$ContentPlaceHolder1$pnlBarAccounts$i0$i2$i0$CHChecking$Acct1$optDownload" There is a difference in last 2 characters, how do I detect a postback from Radiobutton list?

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  • Unload AppDomain Assembly

    - by burkhardg
    I want to read some information from a .Net assembly and then modify the DLL by appending a short sequence of characters. The first part works fine but the second step fails as the assembly is still in use. This is the case although I loaded the assembly in its own AppDomain and after I finished step 1 unloaded the AppDomain.

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  • How to minimize code area in Eclipse?

    - by Stella
    There is a nice feature in Visual Studio: you can create special code areas which can be minimized just as class methods in Eclipse are minimized. Like: #region //some code #endregion Is there a way do make such pleasant feature in Eclipse?

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  • Dividing a string into list according to the format given

    - by user506710
    Hello all , I have a string like "SAB_bARGS_D" . What I want is that the string gets divided into list of characters but whenever there is a _ sign the next character gets appended to the previous one. So the answer to above should be ['S','A','B_b','A','R','G','S_D'] It can be done by using a for loop traversing through the list but is there an inbuilt function that I can use..... Thanks a lot

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  • How to use Unicode in C++?

    - by Dox
    Assuming a very simple program that: -ask a name. -store the name in a variable. -display the variable content on the screen. It's so simple that is the first thing that one learns. But my problem is that I don't know how to do the same thing if I enter the name using japanese characters. So, if you know how to do this in C++, please show me an example (that I can compile and test) Thanks.

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  • How to take a layer's snapshot with mask layer?

    - by OpenThread
    I added a mask to UIView's layer: CGImageRef maskImageRef = [UIImage imageNamed:"Icon.png"].CGImage; CALayer maskLayer = [CALayer layer]; maskLayer.contents = (__bridge id)maskImageRef; self.layer.mask = maskLayer; Then I use this code to get snapshot from a UIView: [self.layer renderInContext:mainViewContentContext]; But the mask wasn't drawn. How to draw self.layer with mask? Special thx!

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  • Application installer tells that my app reads Phone State and identity :-(

    - by jdekeij
    Hoi, I have a simple app with a surfaceview nothing special one would say. However when installing on my phone I get two warnings. 1 - Phone calls - read phone state and identity 2 - Storage - modify/delete SD card content. My really is nothing more than a simple puzzle and I dont understand why I get these warnings. Any ideas how to avoid this? Help is very much appreciated, Kind regards Jasper de Keijzer.

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