Objective-C Programming

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Objective-C is an object-oriented programming language that is a strict superset of C (any valid C code is equally valid Objective-C code), and it inherits its object-oriented capabilities from Smalltalk. All procedural syntax is identical to that of C, and all object-oriented syntax is an implementation of Smalltalk messaging. It is the main programming language used by Apple for OS-X and iOS and their respective APIs/ Objective-C inherits the syntax, primitive types, and flow control statements of C and adds syntax for defining classes and methods.

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I need to observe powerpoint actions in my OSX app.
Scenario: I need to perform some actions in my OSX application when user clicks on save button in PowerPoint. Is there any ways to to this. I have …

539 views
Top 6 Sources for Identifying Threat Actor TTPs

Understanding your enemy is essential. These six sources will help you identify the most popular threat actor tactics, techniques, and procedures (TTPs).

Hi,
Does 2nd line below scan through all Worksheet within Excel file? If not, how to adjust it to scan through all Worksheets, except one specific sheet with a given name?
(CODE)

350 views

Hi,
How to correct this
(CODE)

due to 2nd line below?

(CODE)

842 views

Hi,
How to correct
(CODE)

due to this line?

(CODE)

143 views

Hi,

It does take nearly 30 minutes to finish scanning these two sheets
https://app.box.com/s/zkm75d29hef82zct7bkw784iro8kmn64

using such codes
(CODE)
Why? Any other way to efficiently/quickl…

1576 views

Hi,
I get Error and STacktrace below

(CODE)
due to last line below
(CODE)
why?

858 views

Hi, I'm looking for a video tutorial series for Cocoa and Swift 2. I've searched high and low, but none that are current with Xcode 7.x and Swift 2. I've found a couple that are great, but most are Xc…

343 views

Hi,
To the codes like
(CODE)
why can't the menu be shown to the form, by this project below?
https://app.box.com/s/oxsbqcr0kd72e4y3ww8ugogigoroibx0

556 views

Hi,
Any advice to these
(CODE)

due to these
(CODE)

1102 views

hello
  i would like to know how to determine the location of an object pointed at by the camera on an ios and android,
My thinking is the location of the user/camera is determined by using the loca…

455 views
Anonabox PRO Tor & VPN Router

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Hi,
Using these
(CODE)
I cannot show which line is having the problem. What to adjust, in above, as I want to show the relevant line, which is not having either CR or LF, at the end of it, for ever…

1299 views

Hi,
For Chinese word, I think there're many tens of thousands for use. Is there any automatic way to list out all Chinese word, from anything, like a Chinese dictionary?

7159 views

I am working with iPad developers on a project.

There are several pages that the iPad simply pulls in a url from my web service like an iframe.  I believe that is "includes" in iPad????

In any c…

247 views

I have next expressions:
1)      DataValue += (1<<i);
2)      if( ((DataValue>>i)&0x1) == 0x1 )
         {
            ; //Do something
         }
I need help to understand step by step what happens in the expressions…

2886 views

In an IOS Swift application I have a function that is returning a date as a string like ("2016-04-18"). I need help with Swift code for a function that will take this string or any other string in thi…

2122 views

I have an iPhone app up and running on a physical phone.

I have my own subclassed implementation of a UIViewController, with init() and viewDidLoad() overridden and declared like this:

- (id)init;
-…

2681 views

I can't work out how to determine when a row is clicked on a nstableview. A delegate method allows me to determine when a row is selected, but I can't see when a row is clicked. The reason I need to d…

32,866 views

I'm frustrated with PC's and I'm thinking of getting an iMac. I want to create music programs, and iPad programs. I'm mainly focused on MIDI controllers, not fancy virtual synths, although that would …

2604 views

I am new to the Xcode 4 IDE and I ran into a problem which is an annoyance.

When I create a new project and click (single click) on any of the files (Viewcontroller.h, *.m, *.xib) the files open with…

5573 views
How your wiki can always stay up-to-date

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I'm trying to base64 encrypt an image for upload on iOS, but the stupid thing doesn't have built in support, so I downloaded two libraries and tried them both out, but I think they are returning the w…

21,256 views

//  RootViewController.h
//  Locations
//
//  Created by me on 6/07/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <CoreData/CoreData.…

8575 views

Hello experts,
I need to create an iPad app that will download some customer records from our database (such as through our .net web server), let our field agents take a photo and update each record, …

4657 views

Is there an app that allowes me to design an app for an Iphone / Ipad Or maybe a site that you can use themes to customise (maybe for a small fee) online?

1290 views

I am new to Xcode 4 and I am slowly trying to learn how to use the IDE.  My question is regarding debugging and trouble shooting code.  I purchased this online training program through Lynda.com which…

2705 views

I have an UIViewController(ViewController Class) with an imageView that loads and animation(startAnimation method) which is triggered when a UIButton is clicked. The button was inserted only for testi…

61,183 views
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