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• How can one associate a 3ware controller with the corresponding /dev/tw?? device?

  - by barbaz

  I have a few 3ware RAID controllers installed in a system. Is there any way to figure out the mapping between the following identifiers, each describing in a way the very same RAID controller? The tw_cli reported controller id (e.g. c0,c1,c2,...) The corresponding device nodes that allow smartctl access via the 3ware driver (e.g. /dev/twa0, /dev/twa1, /dev/twl0) The block device presented to the system representing a RAID unit (/dev/sda, /dev/sdb,...)

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• Recommendation for a touch-enabled dev laptop

  - by Clay Shannon

  I don't keep up with hardware much, so would appreciate any tips on what would be a good touch-enabled laptop that I could use for both development and testing of Windows 8 ("Metro"/Store) apps. Is there even such an animal (a touch-centric laptop)? Or will I need to use a laptop for development (in which case I might be able to upgrade my RC version of Windows 8 on my existing laptop to RTM) and purchase a tablet for testing?

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• Conditional `mount` in Linux: dev or nfs

  - by o_O Tync

  I have a mount point — let it be /media/question — and two possible devices: a physical HDD and a remote NFS folder. Sometimes I plug the device in physically, in other cases I mount it via NFS. Is there a way to specify both of them in fstab so that executing mount /media/question will preferably choose physical volume, and when it's not available — NFS?

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• freebsd dev server on virtualbox over windows

  - by g_kaya

  I need a unixy environment for development purposes. I hate doing things on windows but it is more stable for daily use and I don't have a mac, so I'm having to use windows (7). I want to run freebsd in a virtual machine, configure it to be the localhost server, be able to connect using ssh (within my home-network) and be able to install vbox guest addons. If guest additions aren't the best, I can use solaris or linux flavours. I need no gui. I don't know anything about network stuff, so I need a detailed explanation from vise people here, or a nice doc to read. Edit : To be more specific as requested, I use following on unices: *django 1.4 *apache *python (2.7) *emacs *mysql *probably node.js *bash scripting I use windows to be able to do daily things easily, like connecting to my tablet, browsing and learning java. And I don't want to use linux as my desktop os, beacuse it gets broken a lot, it's annoying to maintain wlan problems and some more.

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• Creating content of window programmatically

  - by Rui Pacheco

  Hi, I've a window that will have an unknown amount of text fields, determined by the content of a remote server. In high level terms, how should I go about this? Create a custom view or create an empty window with a backing NSWindowController and then add stuff to it when the window is opened? I've seen the examples on the O'Reilly Cocoa book and those effectively create a custom NSView. Is this the right way to do it, 8 year later?

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• Convert charset name to NSStringEncoding

  - by d11wtq

  Given a charset string, such as "utf-8", "iso-8859-1", "us-ascii" etc, is there any built-in way to get the appropriate NSStringEncoding in Cocoa? Right now I'm looking at just building a NSDictionary containing a canonicalized version of the name mapped to the NSStringEncoding, then having a lookup mechanism that canonicalizes the input in the same way. But is there really no way to get NSUTF8StringEncoding given the string "UTF-8", etc?

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• Do I need getters and setters if i'm depending on garbage collection in objective-c

  - by Chris

  New to Cocoa and Objective-c. Do I need getters and setters if I'm depending on garbage collection? For example is it safe to just modify instance variables directly without the dot syntax? And in the dealloc method can I sent them to nil instead of release (or do I even have to release them)?

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• Writing Custom Menubar Extra

  - by Tristan Seifert

  How can I make a Menu Extra like the Battery Meter in Cocoa? I can make a Status Item, but they are not movable.

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• Objective C -std=c99 usage

  - by Andy White

  Is there any reason why you shouldn't use the "-std=c99" flag for compiling Objective-C programs on Mac? The one feature in C99 that I really like is the ability to declare variables anywhere in code, rather than just at the top of methods, but does this flag causes any problems or create incompatibilities for iPhone or Cocoa apps?

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• PayPal Objective-C API?

  - by MegaEduX

  Is there any PayPal Objective-C (Cocoa) API? Or if there's not, is there any way to communicate with PayPal to get like current PayPal balance, etc? Was thinking in doing a mac PayPal app, more for personal use. Thanks in advance.

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• NSUInteger vs NSInteger, int vs unsigned, and similar cases

  - by Jesse Armand

  Anyone have the expertise to explain when to use NSUInteger and when to use NSInteger? I had seen Cocoa methods returning NSInteger even in cases where the returned value will always be unsigned. What is the fundamental reason? Is NSInteger or int strictly limited to if we want to represent negative value?

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• How can I obtain raw data from a CVImageBuffer object.

  - by jslap

  Hi, I'm trying to use cocoa to grab images from a webcam. I'm able to get the image in RGBA format using the QTKit and the didOutputVideoFrame delegate call, and converting the CVImageBuffer to a CIImage and then to a NSBitmapImageRep. I know my camera grabs natively in YUV, what I want is to get the YUV data directly from the CVImageBuffer, and proccess the YUV frame before displaying it. My question is: How can I get the YUV data from the CVImageBuffer? thanks.

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• Learn C first before learning Objective-C

  - by Lark

  Being an aspiring Apple developer, I want to get the opinions of the community if it is better to learn C first before moving into Objective-C and ultimately the Cocoa Framework? My gut says learn C, which will give me a good foundation.

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• Build an Xcode project on a Linux machine

  - by d11wtq

  Without writing a GNUmakefile by hand, do any tools exist that understand Xcode projects and can build then directly against GNUstep, thus simplifying (slightly) the work required to keep projects functional under Cocoa/Mac and GNUstep/Linux? Basically, is there an xcodebuild style app for Linux? I looked at pbtomake a few weeks ago but it seems to be a dead project.

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• NSApplication orderFrontStandardAboutPanel: Making my about panel slightly less standard

  - by anthony

  What are my options, if any, of adding additional, arbitrary data to the standard Cocoa about dialog that is displayed by an NSApplication when it receives a orderFrontStandardAboutPanel message.

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• How can I parse raw email source and extract the HTML part?

  - by Matthew Brindley

  In my iPhone app, I'm handed the raw source of an email, in RFC822 (or "eml") format. I'd like the HTML part of this message (if one exists). Rather than attempting to parse it out myself and converting escape chars and so on, I thought I'd check to see if anyone knows of an objective-c library to do this for me. In .NET, I've always used the Mailbee classes for anything email related, but I can't seem to find anything similar for cocoa.

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• What's the Best Way to Shuffle an NSMutableArray?

  - by Kristopher Johnson

  If you have an NSMutableArray, how do you shuffle the elements randomly? (I have my own answer for this, which is posted below, but I'm new to Cocoa and I'm interested to know if there is a better way.)

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• quartz composer view output: How can I get immediately the new values of outputs, if they change?

  - by Flocked

  Hello, I created a cocoa program with a quartz composer view. I can get the output values with: [qcView valueForOutputKey:@"Output"] But how can I get immediately the new values of outputs, if they change?

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• How to share information across controllers?

  - by Steffen

  Hi everybody, I recently started programming my first Cocoa app. I have ran into a problem i hope you can help me with. I have a MainController who controls the user browsing his computer and sets some textfield = the chosen folder. I need to retrieve that chosen folder in my AnalyzeController in order to do some work. How do i pass the textfield objectValue from the MainController to the AnalyzeController? Thanks

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• How can you update an NSMenu while it is active (visible)?

  - by Alexsander Akers

  I have an NSMenu instance, through which all communication with the Cocoa app will take place. If the menu is open, the background doesn't run, so how can I force an update while the menu is still active?

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• Bring NSRunAlertPanel to Front in Background Process

  - by mon4goos

  If you call NSRunAlertPanel() from a background process in Cocoa, the dialogue does not come to the front and instead stays behind other windows. This post (http://stackoverflow.com/questions/2639479/nsrunalertpanel-shows-up-behind-the-active-window) shows that you can bring the dialogue to the front if you convert the process to a foreground process. If you keep the process a background process, however, is there any way to achieve this behavior?

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• NSWindowController windowDidLoad not called

  - by user288024

  I have a simple Cocoa app using a NSWindowController subclass. In the nib I have set: File Owner's class to my NSWindowController subclass The 'Window' outlet of the File's Owner to the main NSWindow in the nib. The init method of my NSWindowController subclass is called (I call super), but not matter what I do windowDidLoad is never called. I must be missing something obvious, but for the life of me I can't figure out what it is.

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• How can I animate a content switch in an NSImageView?

  - by Alexsander Akers

  I want to switch the image shown in an NSImageView, but I want to animate that change. I've tried various methods to do this. Hopefully one of you could suggest one that might actually work. I'm working with Cocoa for Mac.

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• Is it possible to do some interop with iWork?

  - by Alerty

  I know it is possible with the .NET framework of Microsoft to do some interoperability with Microsoft Office. Is there something that exist that resembles to it for iWork and the Cocoa framework? Edit: Here are more details. I would like to create an application that has a GUI and that can generate Pages/Keynote/Numbers documents.

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• How would one make an Xcode style console window?

  - by iaefai

  I am making a Haskell editor with Cocoa, and it would be useful to support some in-application text output. Even better would be supporting some text input. Xcode does all this in its console, which looks like it might be an NSTextView, but not sure if somebody might have done all this before.

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