Ios swift learning diary 3-Basic Operators
Operators are special symbols or phrases for checking, changing, and merging values. For example, the plus sign+Add two numbers (for examplelet i = 1 + 2). Complex operations such as logic and operators(For exampleif enteredDoorCode passedRetinaScan), Or a convenient operator that adds 1 to the I value.++i.
Swift supports most operators in the Standard C language
IOS RunLoop 3. iosrunloop
After two introductions, I want to have a simple understanding of RunLoop, at least I don't know anything about it.
In this article, I would like to make a simple supplement to "CFRunLoopObserverRef.
Let's talk about it before adding it.
ARC is rarely seen in current development.
But that is for the OC object.
CFRunLoopObserverRef belongs to CF (Core Foundation)
So we need to manua
IOS development practice tutorial (3) upload an AppStore
The previous blog introduced how to debug a real machine. After debugging a real machine without any bugs, you can submit it to the AppStore for review.Go to the Developer Center
ID of the App for creating a unique bidding letter
I have already introduced it in the real machine test. It is not described here.Production Configuration
Click the plus sig
IOS learning ActionSheet, the legendary popWindow (3), popwindow
It's so fast this summer that I have never been so anxious to go to the world to see it. Come on, let's take a look at it. I am also excited every day, and I have no intention of seeing it at night. Let's get down to the truth. You have to learn something. You have to look at it like the gods in the group. (Guo Shen, Yang Shen, and everything
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