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Hexy Hexapod IOS BLE Mini bluetooth module first test move head with slider yay ^_^

Using the bluetooth 4 low energy module from RedBearLab and their sample iOS code, I've had a first mini breakthrough in the possibility of controlling Hexy ...

NSJSONSerialization iOS5 - How to use JSON with iOS5 & XCode (part 2: POST request with json obj)

How to use NSJSONSerialization with iOS5 (part 2). POST request with JSON Object; JSON Object to Foundation Object; Foundation Object to JSON Object ...

User Comments

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Jerson Daganzo commented on 01 May 2012
Your tutorials are AWESOME, is there anyway you can create a video to parse an array of JSON values. I am struggling. For example: [ { "color": "red", "value": "#f00" }, { "color": "black" "value": "#fff" } ] Any help would be much appreciated.
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Steven Tseng commented on 11 Jul 2012
One question, i've been trying to get POST upload image. But most of the examples i see online uses the old method. Do you happen to have any tutorial already up? or will you be posting one? Thanks and Great tutorial!
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pbudino commented on 01 May 2012
@jdaganzo1: it's very simple. create a nsarray of nsdictionary (every cell of the nsarray is a nsdictionary with two keys: "color" and "value". After, parse the nsarray with NSJSONSerialization. That's all!!
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pbudino commented on 02 May 2012
it's very simple. create a nsarray of nsdictionary (every cell of the nsarray is a nsdictionary with two keys: "color" and "value". After, parse the nsarray with NSJSONSerialization. That's all!!
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Eugene Gilko commented on 12 Mar 2013
Hi dude! Great tutorial about ios side. Can you show the php side of this tutorial? What code we need to use for receive json on php side via post?
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Tien Nguyen commented on 15 Jan 2012
Hi. Because I could no watch with full screen , I could not read everything. Could you please send me the code ? Thank you very much
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kiran kumar commented on 10 Sep 2013
Awesome tutorial. Very easy to understand. Great work!
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Antonio Bruno Bruno commented on 17 Apr 2015
Where download code sample this titotial?
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Carlos Hidalgo commented on 06 Jul 2013
Where download code sample this titotial?
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tuberials commented on 04 Apr 2012
beautiful thanks a lot
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VinniePeee commented on 19 Dec 2011
awesome

Objective-C on the Mac L32 - NSCoding

How to encode your own objects in Objective-C. (Make your objects NSCoding compliant). Twitter: https://twitter.com/LucasDerraugh GitHub: ...

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Rev. Brian O'keefe commented on 31 Jul 2011
I am highly impressed with the clarity of your explanations. You act as if the viewer has just a beginner level of understanding which makes these so simple to follow AND actually understand. Thank you for this. As an iPhone dev with VERY little C experience, it's the finer points of Obj-C that get me confused. NSData was ONE of those finer points until now. I'm really hoping you have some Core Data tutes up. As I want to take a Core Data object and make my own custom file type with it. You
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AppleProgramming commented on 17 Oct 2013
Technically you never have to write that you conform to any protocol and you could just write out the methods you want to implement. The idea though is to let other objects know that your class does conform to NSCoding so that they can use your class to encode/decode. If it's a formal protocol, it will also mean you have to write
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Kaneda Tatsaki commented on 01 Aug 2011
Hey, first of all I must say a big thank you for your awsome tuts. I watched all of them and I learned so much from it. Finally I figuered out what a "typedef struct" is, how "unions" work and how "messages" in obj-c do there job, - that obj-c is actually a great extension of C an what amazing stuff you can do with it. Please keep up the great work. Hopefully there will be more to come!!!
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shrenivaasan chandrasekaran commented on 17 Oct 2013
Hi Lucas, I have a question, how come I was able to Archive and Unarchive custom class objects without conforming to NSCoding Protocol, by this i mean i just wrote @interface Test : NSObject and in implementation i just added encode with coder and init with coder methods. where as you have mentioned i need to @interface Test:NSObject NSCoding
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funkychimp commented on 27 May 2012
Hi Lucas, Just remind me again. Why do we need the -(NSString *)description method in .m. I know if I take it out the array does not format correctly in the debugger. I can't see that method getting called in main. Does it automatically get called by NSArray when we create rect 1 & 2?. Thanks in advance!
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Prodogy11 commented on 09 Sep 2012
Hey man, just want to say your tutorials are the absolute best I have seen. They are explained so clearly. I enjoy your tutorials more than reading "programming with objective c" by Stephen Kochran which used to be my favorite authority on the matter. Thanks abunch man. Keep it up!
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AppleProgramming commented on 06 Sep 2011
@EnigmaticLives There will be more Obj-C tutorials, not too sure when but there will be. If you are interested in iOS we will be starting that at some point, but also the Cocoa tutorials are a nice place to look at.
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RMH1565 commented on 22 Feb 2012
So every object within our object, that we wanna archive, has to be (NSCoding), too? So although we were archiving an NSArray, we have to make sure, that every object in this NSArray is (NSCoding) as well?
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AppleProgramming commented on 31 Jul 2011
@randomblink I'm glad you appreciate the tutorials. We are coming up on Core Data fairly soon in the Cocoa tutorials, so stay tuned for when that comes around.
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Pierluigi Vasapolli commented on 30 Mar 2013
Thank so much for your Tutorial !! is the best on the net. Clear !! Perfet and understandable for foreiner!! thank again !! and Go ahead !! give us More !!
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Golden Lion commented on 24 Feb 2012
I like how the NSCoding with Objects builds from the NSData tutorial. It seems like you can use fast enumeration to loop access each object.
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AppleProgramming commented on 12 Jul 2012
Oh darn, I blew the streak ;). I was going to blame it on how late I did the tutorial, but this was probably one of the earliest ;)
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Golden Lion commented on 24 Feb 2012
@davepamn I realized that NSDocument using NSCoding, but the approach seem complicated. Will you simplify the process for us?
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AppleProgramming commented on 22 Feb 2012
@RMH1565 Yep, basically it would just return you a new object that is autoreleased, but of course in ARC that doesn't apply.
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Golden Lion commented on 24 Feb 2012
Would you show how to use the NSDocumentController to manage multiple documents and save data and load data into a textView?
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RMH1565 commented on 22 Feb 2012
What would a RectangleWithHeight method look like compared to initWithHeight? will the allocation be in that method?
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Golden Lion commented on 24 Feb 2012
will you provide a tutorial on how to user NSDocument to write a RTFD or RTF file?
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saikiran k commented on 07 Jul 2012
nice tutorial, could you please provide us the source code for this tutuorial.
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AppleProgramming commented on 30 Nov 2011
@ReidyOrNot That's awesome, let me know if there is anything I can help with.
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AppleProgramming commented on 10 Sep 2012
Glad to hear it, I'll be continuing with the Obj-C tutorials this week.

Reading and writing to files in Objective-C

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eklipsegirl commented on 26 Jun 2013
In Soviet Russia XCode codes you.
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emilie gachoud commented on 21 May 2013
thank's but why return null?
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deepak bansal commented on 29 Nov 2012
thanks very helpful

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