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Tag: objective-c

ios

Write an iOS App in pure C

December 26, 2023
by Mary Johnston
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An iOS app starts with the main function inside main.m. Now create the Single View App project, then delete all the.m files and create a...
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reading

Xcode environment variable

December 26, 2023
by Sumer Bandi
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When we implement the load method in the class we create, we will print the class that implements the load method in the process of...
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ios

AutoReleasePool and RunLoop

December 26, 2023
by Barbara Gonzalez
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In the previous article, we introduced the memory management of small objects, copy and strong, and introduced the low-level implementation of Release and Dealloc. In...
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ios

IOS UILabel User-defined location

December 26, 2023
by Kiara Jani
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- The system Api provides the 'textAlignment' position we usually only use left, right, middle three display, so write a category to provide more display...
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ios

The nature of OC objects

December 25, 2023
by Romil Sampath
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Objective-c object nature. How an OC object is laid out in memory. The underlying implementation of NSObjcet, click NSObjcet to find the internal implementation of...
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ios

IOS object exploration one

December 25, 2023
by Ashley Johnson
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In our daily development process, object initialization should be common to all of us, but what exactly does the object initialization process do? Let's take...
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ios

[Objective-C basics]- Objective-C is atomic!

December 25, 2023
by Matthew Harrison
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Nonatomic memory management semantics are non-atomic. A non-atomic operation is inherently thread-safe. Atomic operations are atomic, but that doesn't mean they are thread-safe. When nonatomic...
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ios

OC Basic principle series

December 25, 2023
by Jayesh Lalla
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Continue to update other series OC basic knowledge series Swift low-level exploration series iOS advanced advanced series OC- loading OC underlying principles -App startup process...
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ios

Xcode clear warning

December 25, 2023
by 黃淑華
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Such as: Xcode **Pointer is missing a Nullability Type Specifier (_Nonnull, _Nullable, or _Null_unspecified)** Warning, Old code before OC is generally not wanted to change....
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ios

IOS displays AlertController on the View

December 25, 2023
by Elliot Chadwick-Jones
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Premise that satisfy the following two conditions (refer to use this way to use [[[UIApplicationsharedApplication] delegate] window] pop-up View in the use and pop-up AlertCon...
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ios

Blocks: What do you know about Blocks?

December 25, 2023
by Patricia Russell
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This article mainly explains block block from the following aspects of the basic use of block block in memory layout block of variables capture analysis...
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ios

Multithreading (4) GCD part II

December 25, 2023
by 李俊賢
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1. OnceToken, this is a static variable. Since static variables are defined differently in different locations, static variables are unique. 4. If the lock fails...
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