Tag: objective-c

ios

An Actionsheet similar to wechat has been shared before, and it has been processed and optimized this time

January 31, 2024

by Tracy Cooper

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An Actionsheet similar to wechat has been shared before, and it has been processed and optimized this time

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ios

OC pass nil nil warning

January 31, 2024

by Dr. Nathan Davis

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Null warning Null passed to a callee that requires a non-null argument

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ios

An iOS Programmer sees “applets”

January 31, 2024

by Casey Bowater-Parkes

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Small program as promised and everyone to meet, on the momentum of these two days, can be said to be "the tide of praise". Peak...

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reading

Will sending messages to nil crash in iOS dev OC? Why is that?

January 31, 2024

by Michelle Love

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Objective-c is based on C. On a PC, if you operate on a null pointer in C, the program will crash due to protection errors...

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ios

The nature of objects –(1)

January 31, 2024

by Madeleine Burton

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Exploring the nature of OC objects, we usually write objective-C code, the underlying implementation is actually C\C++ code. So how much memory does an OC...

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ios

[iOS development] Precautions for integrating Weex

January 31, 2024

by Ella Harrison

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OC, Swift integration Weex thanks alibaichuan

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ios

OC bottom – The nature of the Block (6) change the value of a variable in the Block)

January 31, 2024

by Lori Lopez

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By default, blocks cannot modify external local variables. Through the previous analysis of the source code can know, because the function of variables are not...

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ios

Swift combat KVO

January 31, 2024

by Christina Gutierrez

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Preface Just learned swift programming language, here directly make a Swift version of KVO, by the way familiar with swift inside the basic use of...

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ios

EffectiveObjective-c2.0

January 31, 2024

by Veronica Farley

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Comparing objects by equality is a very useful feature. Using the == operator to compare is not necessarily the right result because it compares the...

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ios

Writing High Quality Objective-C code for iOS (7) — GCD Column

January 31, 2024

by Kathleen Malone

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The topic of this article is the "Grand Central Development GCD" in iOS. First, let's briefly introduce today's leading role: THE COMMUNIST Party of China....

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ios

Effective Objective-C 2.0 Effective Objective-C 2.0

January 31, 2024

by Ehsaan Yohannan

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Just as its name implies is to say in their own development of the class need prefixing, iOS programmer development engineers commonly used double letter...

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ios

Effective Objective-C 2.0 Essay

January 30, 2024

by 範淑玲

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The first member of each object structure is a variable of the Classl class. This variable defines the class to which the object belongs and...

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ios

Writing high quality Objective-C methods for iOS

January 30, 2024

by 劉怡安

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Welcome to follow my official account. I will regularly share some solutions to the problems I encounter in the project and some practical skills of...

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ios

Objective-c Runtime Weak

January 30, 2024

by 張雅惠

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Now it's hard for an iOS developer to go out for an interview without looking at some Runtime source code. Method Swizzling Method Swizzling Method...

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ios

Weak in Objective-C

January 30, 2024

by Thomas Smith

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Weak is almost everywhere in Objective-C. This keyword is often used when defining IVar. The weak variable is automatically set to nil after the object...

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ios

Objective – C in the Block | programmers said

January 30, 2024

by Nichole Pope MD

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Good article

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ios

The Art of Programming objective-C (Part 1)

January 30, 2024

by Kathryn Webster

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The body of a conditional statement should always be surrounded by braces to avoid errors, even when it is not (for example, only one line...

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ios

Ios-ios-third-party input method App principle research, App Group data sharing

January 30, 2024

by 崔淑華

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1. How to develop a third-party keyboard App 2. What does the full access of input method do 3. A sandbox to escape

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ios

IOS understand message forwarding mechanism in Objective-C with Demo

January 30, 2024

by Divit Rattan

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IOS understand message forwarding mechanism in Objective-C with Demo

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ios

IOS – Effectively writing high quality Objective-C methods – three

January 30, 2024

by 嶽靜宜

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Welcome to follow my official account. I will regularly share some solutions to the problems I encounter in the project and some practical skills of...

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ios

Create CocoaPods For iOS development

January 30, 2024

by Katie Kelly

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In addition to busy working on the project these days, there is another thing is to make CocoaPods library, although this thing is easy to...

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ios

📱 a dry goods concentration camp iOS client in pursuit of a new user experience

January 30, 2024

by 王佩君

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📱 a pursuit of new dry camp iOS client user experience, making address: https://github.com/iphone5solo/Gank

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ios

There are two things worth noting about UIApplicationDelegate

January 30, 2024

by Karen Wallace

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This knowledge can be used for interviews, as well as bug hunting for SDK configurations that require initialization timing. The answer is, the application from...

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ios

IOS development – Multithreading must know must know principle concept

January 30, 2024

by Rati Bajaj

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Concept of multi-threading Synchronous & asynchronous process && Thread Multi-threading Implementation principle of multi-threading Advantages and disadvantages main thread

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ios

Objc_msgSend Message mechanism

January 30, 2024

by Nayantara Deshpande

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In OC, methods are stored in the class as method name :sel + function pointer: IMP. The underlying implementation of the method call is an...

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ios

Generics in Objective-C

January 30, 2024

by Henry Anderson

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Generics worked pretty well for Swift, and in retrospect I sometimes want to use this technique in OC as well. OC may be considered generic...

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ios

Oc-class cache layout

January 30, 2024

by Mary Smith-McCormick

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After the OC object calls a method, the method information is stored in the class cache for the next quick call. To prepare, follow the...

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ios

An “a little Difficult” iOS Interview question in 2018 (5 years of iOS development)

January 30, 2024

by Bradley Norman

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Previously, I published an iOS intermediate interview question on this website, which attracted some attention. Many students expressed their interest in "hidden levels". Updated version...

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ios

Objective-c code cleanliness junkies

January 30, 2024

by Dhanuk Divan

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I've been doing this for a while. I'm an "iOS" junior developer. Why was iOS created? Because there are many versions of iOS. There are...

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ios

May 2017 iOS Recruitment (Attached interview questions)

January 30, 2024

by Yakshit Saha

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It took a little more than two weeks to screen the first resume, prepare the interview questions, and successfully recruit two people. On the whole,...

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