Make Status Bar Texts white

April 10, 2014

Set the followings in Info.plist

  1. View controller-based status bar appearance - NO
  2. Status bar style - UIStatusBarStyleLightContent

5 Patents

April 1, 2014
  1. Detecting data in messages and converting them into a link that can be clicked
  2. Background syncing of data
  3. Universal search used in its Siri voice-recognition digital assistant
  4. An auto-complete feature that suggests words as a user is typing
  5. Slide to unlock

Objective-C property

March 18, 2014

An Objective-C property is a public or private method declared with the @property syntax.

Identify a set of methods that qualify to be converted into a property, such as these:

- (NSColor *)backgroundColor;
- (void)setBackgroundColor:(NSColor *)color;

and declare them using the @property syntax with the appropriate keyword(s):

@property (copy) NSColor *backgroundColor;

Secure Enclave

February 27, 2014

A coprocessor fabricated in the Apple A7 chip.

Messaging

February 20, 2014

[myObject myMethod:myArgument]

Compiler will convert the above line into below

objc_msgSend(myObject, @selector(myMethod:), myArgument)

Minimum number of arguments of a method

February 20, 2014

2

  1. Object, which will call the method
  2. and the method itself is the second argument

Objective-C Message

February 19, 2014

An Objective-C Message is everything between the 2 brackets ‘[ ]‘ and consists of the target you are sending a message to, the method you want it to perform and any arguments you are sending it

Method & Selector

February 19, 2014

Methods are just like C Functions in that they are a grouping of code that performs a small task like

Selector

  1. A selector in Objective-C is essentially a C data struct that serves as a mean to identify an Objective-C method
  2. A Selector is an internal id for method name

Media buyers

February 19, 2014

Media buyers negotiate, purchase and monitor advertising space and airtime on behalf of their clients!

NSString Encodings

February 18, 2014

UTF8 – 1, 2, 3 & 4 bytes – Good for English and ASCII

UTF16 – 2 & 4 bytes – Good for Asian text, such as Japanese, etc

UTF32 – All 4 bytes


Follow

Get every new post delivered to your Inbox.