大约有 37,000 项符合查询结果(耗时:0.0279秒) [XML]

https://bbs.tsingfun.com/thread-2140-1-1.html 

Service and Characteristic are not published by the connected device -...

Service and Characteristic are not published by the connected device,报错如下: 问题原因:硬件/蓝牙芯片问题导致的,比如A硬件测试好的,换了B硬件没有修改uuid,就出现这个报错。 由于B硬件没有发布这些特征,就会报这个错误。
https://bbs.tsingfun.com/thread-2612-1-1.html 

“AppInventor学院”App国内各大市场上架之旅 - App应用开发 - 清泛IT社区...

...失。请排查应用内所有的权限申请行为,确保不存在类似问题。 上述的步骤我们写了专门的拓展解决:https://www.fun123.cn/reference/ ... cyPolicyAI2Ext.html 不断完善,更新中。。。。 小米继续驳回,仍然是隐私政策问题: 具...
https://bbs.tsingfun.com/thread-2619-1-1.html 

Appinventor 音效调用播放后没有声音? - App应用开发 - 清泛IT社区,为创新赋能!

...发现调用播放后,又调用了停止方法,导致的声音不播放问题,去掉即可。 当然如果因为音频文件损坏等原因,也可能无法正常播放,这时可以先去资源区,点击隐私文件,菜单中选择预览,可以预览播放,事先检查好确保...
https://bbs.tsingfun.com/thread-2916-1-1.html 

鸿蒙的证书适用范围 - HarmonyOS NEXT - 清泛IT社区,为创新赋能!

...r 就能自动完成,用户无感。 目前的问题是签名工具路径没传给 BuildServer,刚才已经修复了。重启 BuildServer 后 debug 签名应该能自动生效。 ❯ 我现在就是无签名hap, hdc install 到模拟器好的很 ...
https://bbs.tsingfun.com/thread-2974-1-1.html 

App Inventor iOS App编译全流程:7步搞定苹果签名上架(更新版) - App应...

... 提示:证书有效期1年,到期需重新生成。遇到账户问题可参考这篇帖子。 第3步:创建应用标识符(App ID) 在开发者门户点击"标识符"→ 点"+"→ 选"App ID"→ 选"App"。 关键参数: - 描...
https://bbs.tsingfun.com/thread-3007-1-1.html 

App Inventor 2 数据库方案全览:从本地存储到云端服务 - App应用开发 - 清...

做App开发,数据存哪、怎么存,这个问题迟早会碰到。 App Inventor 2 提供了多种数据库方案,从最简单的本地存储到完整的云端后端服务,覆盖了不同规模、不同场景的需求。今天我们就来梳理一下,帮你快速了解每种方案的...
https://stackoverflow.com/ques... 

Java NIO FileChannel versus FileOutputstream performance / usefulness

...ly benchmarking the disk, and not Java. I would also suggest that if your CPU is not busy, then you are probably experiencing some other bottleneck. Don't use a buffer if you don't need to. Why copy to memory if your target is another disk or a NIC? With larger files, the latency incured is non-...
https://stackoverflow.com/ques... 

Is SHA-1 secure for password storage?

...t bigger, because storage cost is reduced. The bottleneck on N becomes the CPU power that the attacker can muster, not the size of his harddisks. If N is large enough that the CPU-cost of hashing N passwords is ludicrous, then such an attack is not feasible, regardless of whether rainbow tables ar...
https://www.fun123.cn/referenc... 

TaifunPlayer 扩展(Audio Player):音频播放器扩展,支持流媒体播放控制 ...

...理 循环模式 版本信息 常见问题 Q: 如何播放流媒体? Q: 如何获取播放进度? Q: 如何实现快进快退? Q: 如何设置循环播放? Q: 如何检查播放状态? ...
https://stackoverflow.com/ques... 

Convert UTC/GMT time to local time

... and found that the DateTime.Parse represented a significant percentage of CPU usage. (Incidentally, the CultureInfo constructor was not a significant contributor to CPU usage.) So I set up a console app to parse a date/time string 10000 times in a variety of ways. Bottom line: Parse() 10 sec P...