每个 vc 都有自己的 navigationItem。
// 隐藏 push 的下一个 vc 的 back title。
navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
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| #import <Foundation/Foundation.h> | |
| #import "ffi.h" | |
| NSMutableArray *g_allocations; | |
| ffi_cif g_cif; | |
| ffi_closure *g_closure; | |
| void *g_replacement_invoke; | |
| void *g_origin_invoke; |
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| #import <Foundation/Foundation.h> | |
| typedef struct __block_impl { | |
| void *isa; | |
| int Flags; | |
| int Reserved; | |
| void *FuncPtr; | |
| }__block_impl; | |
| typedef void(^GlobalBlock)(void); |
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| import Cocoa | |
| import Foundation | |
| class Block { | |
| var index: Int = 0 | |
| var dateCreated: String | |
| var previousHash: String! | |
| var hash: String! | |
| var nonce: Int | |
josephchang10
/ ReviewRequest.swift
Created
August 12, 2017 05:12
从 iOS 10.3 开始请求应用商店评分的正确姿势：SKStoreReviewController
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| // | |
| // ReviewRequest.swift | |
| // | |
| // Created by 张嘉夫 on 12/8/17. | |
| // Copyright © 2017 张嘉夫. All rights reserved. | |
| import Foundation | |
| import StoreKit | |
| let runIncrementerSetting = "numberOfRuns" // 用于存储运行次数的 UserDefauls 字典键 |
steipete
/ PSPDFFastEnumeration.h
Last active
June 7, 2022 05:20
foreach in Objective-C. Credits go to https://twitter.com/Tricertops, see https://mjtsai.com/blog/2017/05/08/foreach-using-objective-c-generics/ - ships in https://pdfviewer.io
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| // | |
| // PSPDFFastEnumeration.h | |
| // PSPDFFoundation | |
| // | |
| // PSPDFKit is the leading cross-platform solution for integrating PDFs into your apps: https://pspdfkit.com. | |
| // Try it today using our free PDF Viewer app: https://pdfviewer.io/ | |
| // | |
| // This file is MIT licensed. | |
| @protocol PSPDFFastEnumeration <NSFastEnumeration> |
OliverLetterer
/ XCDUUID.m
Created
January 26, 2013 17:05
With this gist, I, as a total assembly noob, am trying to understand the XCDUUID runtime hack (https://github.com/0xced/NSUUID/blob/1.0.1/NSUUID.m#L167-L221) to be able to use NSUUID on iOS < 6.0.
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| @implementation XCDUUID | |
| + (void) load | |
| { | |
| // query runtime if NSUUID class already exists, if so => done | |
| if (objc_getClass("NSUUID")) | |
| { | |
| return; | |
| } | |