草庐IT

arrays - 声明一个常量数组

我试过:constascii="abcdefghijklmnopqrstuvwxyz"constletter_goodness[]float32={.0817,.0149,.0278,.0425,.1270,.0223,.0202,.0609,.0697,.0015,.0077,.0402,.0241,.0675,.0751,.0193,.0009,.0599,.0633,.0906,.0276,.0098,.0236,.0015,.0197,.0007}constletter_goodness={.0817,.0149,.0278,.0425,.1270,.0223,.0202,.0

arrays - 声明一个常量数组

我试过:constascii="abcdefghijklmnopqrstuvwxyz"constletter_goodness[]float32={.0817,.0149,.0278,.0425,.1270,.0223,.0202,.0609,.0697,.0015,.0077,.0402,.0241,.0675,.0751,.0193,.0009,.0599,.0633,.0906,.0276,.0098,.0236,.0015,.0197,.0007}constletter_goodness={.0817,.0149,.0278,.0425,.1270,.0223,.0202,.0

【SwiftUI模块】0015、SwiftUI自定义音频播放器

SwiftUI模块系列-已更新15篇SwiftUI项目-已更新1个项目往期Demo源码下载技术:SwiftUI、SwiftUI3.0、音频播放器、自定义音频播放器、AVAudioPlayer运行环境:SwiftUI3.0+Xcode13.4.1+MacOS12.5+iPhoneSimulatoriPhone13ProMaxSwiftUI自定义音频播放器概述详细一、运行效果二、项目结构图三、程序实现-过程1.创建一个项目命名为`MusicPlayer`1.1.引入资源文件和颜色CodeContentView-主窗口概述使用SwiftUI自定义音频播放器详细一、运行效果二、项目结构图三、程序实现-

android - ConsumerIrManage.hasIrEmitter() 总是返回 false (API 19)

我调用ConsumerIrManager.hasIrEmitter()在我的LGG2上,但它总是返回false.根据Infraredtransmitters上的文档:Whenrunningonadevicethatincludesaninfrared(IR)transmitter,youcannowtransmitIRsignalsusingtheConsumerIrManagerAPIs.TogetaninstanceofConsumerIrManager,callgetSystemService()withCONSUMER_IR_SERVICEastheargument.Youca