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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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• ObjC: required to optional

  - by Joschy

  Hello Guys! Situation: A protocol A implements a protocol B. B has some @optional and some (@)required methods. Question: Is it possible in protocol A to set a method from B to the opposite (opt. to reeq. and vv.)? Cheers!

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• roundig up to a certain floating point- matlab

  - by Chaggster

  hi. im new in MATLAB. i think its a simple question. i want: a=1.154648126486416 to become a=1.154 and not a=1.54000000000 how do i do that without useing format('bank'). thanks.

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• Which SDK should I use to visualize medical images in 3D?

  - by baris_a

  I need to process DICOM formatted medical images and visualize them in 3D, also do some image processing on these images on real-time. Therefore, I am asking this question to learn which SDK has better real-time characteristics for medical visualization and image processing?

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• A way to make md5_file() faster?

  - by Rob

  I currently use md5_file(); to run through about 15 URLs and verify their MD5. Is there a way I can make this faster? It takes far too long to run through all of them. Sorry if this isn't a good question, I just realized its only three (four if you count this one) sentences long.

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• Wordpress Hooks vs. includes?

  - by Chris J. Lee

  This is somewhat a subjective question. Noticed themes like thematic and carrington use hooks to display their themes. Trying to figure out which works best for a more efficient workflow. Which seems more efficient at theming? Trying to weigh in the cons and pros of hooks vs. just including static files.

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• How to launch a dependent application on OS X?

  - by jldupont

  What is the programmatical mechanism by which an application can be launched at a result of another one being launched? E.g. upon launching iTunes, the Last.fm desktop launches too. Or it is just a question of substituting a "batch file" of some sort? Note: OS X newbie.

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• How to control a charcter in an grid to move arround using user input of keypoard arrows?

  - by programmer2010

  I am programming a snake game using c++ and I first designed an array(grid) adn my question is how can create a character that i can control using arrows on keboard,, if possible can any one give me the exact code, thank you

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• How to insert item which type is QString to a ComboBox in Qt?

  - by Hanny

  I have an item which type is QString: for example: QString name="Name" the question is: How can I put this name variable into a combobox? I've read the Qt 4.6.2 docs but still cant figure out how to do that. Please dont refer me back to that Qt 4.6.2 docs again.. Please help me ASAP!! this is really urgent! thank you very much!! :)

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• Access specifier's and classes and objects?

  - by TimothyTech

  Alright, im trying to understand this, so a class is simply creating a template for an object. class Bow { int arrows; }; and an object is simply creating a specific item using the class template. Bow::Bow(arrows) { arrows = 20; } also another question, public specifiers are used to make data members avaible in objects and private specifiers are used to make data memebers only avaialble inside the class?

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• What is the function definition for member?

  - by NHans

  (define (member atom list) (cond ((null? list) '()) (= atom (car list) "True") (else (member atom(cdr list))) ) ) (member '5 '(1 2 3 4 5)) Always it gives true even though that atom isn't a member in the list. Could you plz help me to clarify this question as soon as possible.

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• How big in bytes is a DataRow

  - by JeffreyABecker

  I have a one-time process (hashing all our user passwords) written using datasets. The performance needs improvement so we've profiled the application and found that increasing the 'batch size' of the update will improve performance. I also know that if I load the entire data set into memory the application will start hitting swap and slow down. The question is: how big is a System.Data.DataRow derived class? I'd like to calculate a batch size which I know won't force the application into swap.

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• Proper way of defining namespace in Lowpro + Prototype

  - by sharas

  Is there any beautiful practice of defining namespace in Lowpro + Prototype Event.addBehavior? Sorry if this question reappeared earlier, but I've been googling and looking in stackoverflow for some time.

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• Name of window manager for Windows

  - by La Chamelle

  Hello, i have a simple question, i search the exact name of the window manager for Windows. For Unix : X Window System Mac : Quartz Windows : ? Thanks you.

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• php joomla session lifetime settings

  - by jtanmay

  I have searched through the google and also joomla forums but didn't got what exactly I was looking for. My main purpose is to set the joomla session live for ever. Many forums says its not good to keep a higher value (security issues) but I don't want to consider that right now. My question is : What if I set the session lifetime value to "0" (Zero), will the session be active for ever? or the user will NOT be able to login completely? Thanks, Tanmay

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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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• Android - Switch Tabs from withing an Activity within a tab.

  - by GrandPrix

  Currently I have a TabHost implemented with 3 tabs each containing a separate activity. My question is how do I switch between tabs from within one of the activities that is located inside the tab host. I've looked everywhere and have been unsuccessful in finding a real answer to this problem.

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• Using NetBeans for multiple programming languages

  - by mawg

  I am looking for a cross platform RAD IDE with GUI building. NetBeans looks right (or am aI wrong?). However, I may want to code somethings in C++ and some in Python. It looks like both are supported, but I am not sure if I need to install two copies of NetBeans or if one can handle both programming languages. Sorry it's such a st00pid n00b question - can anyone tell me quickly? Thanks

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• Query interface for iPhone CoreData store

  - by JT

  Hi, another iPhone newbie question... I have the following: NSPersistentStoreCoordinator NSManagedObjectContext NSManagedObjectModel Is it possible to run queries directly on the store (since its a sqlite DB)? I'm trying to delete all the records from a tableview, and figured a "DELETE FROM table" would be nice and quick as opposed to looping through the records and removing them manually (which i'm also struggling with). Thanks for your time, James

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• The .NET SDK Programs - What does each tool do?

  - by Kyle Rozendo

  My question is simple. What do they do? The accepted answer below is a list of the .NET SDK Tools that come in the framework.

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• Submitting form with links and jquery

  - by Eagletrophy

  Me again, I have a question I would like to ask as a followup. to submit a form using a link powered by jquery is what I am curious about. do I just bind a click event to the link in the live() event for eg and use a submit() added to the click? God bless

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• AS3: why is this happening?

  - by Bin Chen

  Hi, I just encounter a strange problem: var a:ClassA = new ClassA; var b:ClassA = a; The program keeps running sometime, the a = null, b = null. The program is a complex one, I am sure that no part will touch a, and b. My question is, will the runtime(garbage collector) to collect the memory of "a" and then assign a and b to null? I am confused, thanks!

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• Move from TFS 2008 to TFS 2010

  - by raffaeu

  We have succesfully built our TFS 2010 infrastructure and the first VM using Visual Studio 2010. Now I have a very simple question. How I can move a solution from our existing TFS 2008 to the new one 2010? Is there any tool included in TFS?

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• What is the below code

  - by Priyanka

  Hello, I am getting an issue wherein I am using FCKEditor, and once I type in something, in the source of FCKEditor, something like below is getting iserted automatically. <input type="hidden" id="gwProxy" /><!--Session data--><input type="hidden" id="jsProxy" /> <div id="refHTML">&nbsp;</div> Some hidden tag is getting inserted, which isnot getting diplayed here in my question. Can anyone tell me about this. Thanks in Advance

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• What's the term (if any) for frameworks that support dynamic class creation?

  - by Alix

  Hi. Sorry about the vocabulary question, but I'm writing my master thesis and it's a pain to repeat "frameworks that support dynamic class creation" again and again. Is there a term for that? Some clarification: I mean that you can create a class at runtime, i.e., dynamically. For example, .NET supports this with the System.Reflection namespace. Thanks :)

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