大约有 11,000 项符合查询结果(耗时:0.0122秒) [XML]

https://www.fun123.cn/referenc... 

微数据库 · App Inventor 2 中文网

...储一般分为两大类:本地 和 网络,本地一般是数据文件形式存储在手机上,本地App每次启动都可以共享读取,但是不同手机之间不可以共享数据;如果需要多个手机之间共享获取或存储数据话,那就需要用到网络数据库...
https://www.fun123.cn/referenc... 

微数据库 · App Inventor 2 中文网

...储一般分为两大类:本地 和 网络,本地一般是数据文件形式存储在手机上,本地App每次启动都可以共享读取,但是不同手机之间不可以共享数据;如果需要多个手机之间共享获取或存储数据话,那就需要用到网络数据库...
https://www.tsingfun.com/it/os... 

An operation on a socket could not be performed because the system lac...

...缓冲区空间不足,或者因为队列已满,不能执行套接字上操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启,查看日志报错:An operation on a socket could not be performed because the system ...
https://www.tsingfun.com/it/os... 

An operation on a socket could not be performed because the system lac...

...缓冲区空间不足,或者因为队列已满,不能执行套接字上操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启,查看日志报错:An operation on a socket could not be performed because the system ...
https://www.tsingfun.com/it/os... 

An operation on a socket could not be performed because the system lac...

...缓冲区空间不足,或者因为队列已满,不能执行套接字上操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启,查看日志报错:An operation on a socket could not be performed because the system ...
https://bbs.tsingfun.com/thread-3052-1-1.html 

关于App Inventor 2过程积木,被问最多6个问题 - App应用开发 - 清泛IT社...

逛社区和技术群时发现一个有意思现象:很多新手能熟练使用变量、循环、条件判断,但一提到"过程"(Procedures)就发怵——"感觉用不上""加了参数就搞不懂""不知道什么时候该用过程"。<br><br>其实过程(有地方也叫"函数"...
https://www.tsingfun.com/it/tech/963.html 

C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ream流使用总结本篇文章简单总结了在C#编程中经常会用到一些流。比如说FileStream、MemoryStream、 BufferedStream、 NetWorkStream、 StreamReader StreamWriter、 TextReader TextWriter等简单用法。一、FileStream类 FileStream类主要用于读取磁盘上...
https://bbs.tsingfun.com/thread-3079-1-1.html 

App Inventor 2 物联网入门两个方向:BLE直连硬件 vs MQTT云端通信,你...

&quot;我想用手机App控制家里灯,该用蓝牙还是WiFi?&quot; 这是 App Inventor 2 中文网社区里被反复问到问题。很多初次接触物联网开发者,以为物联网就是&quot;让手机连上硬件&quot;,结果买错了模块、选错了方案,项目卡在...
https://stackoverflow.com/ques... 

Generating a UUID in Postgres for Insert statement?

...apt-get install postgresql-contrib has successfully run. Then I had to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much! – anon58192932 Sep 29 '12 at 22:13 ...
https://bbs.tsingfun.com/thread-3081-1-1.html 

App Inventor 2 扩展开发实战:从Java小白到发布第一个.aix自定义插件 - Ap...

...自定义插件 刚接触App Inventor 2时,大部分人会被它现成组件库&quot;惯坏&quot;——想听歌有Player、想拍照有Camera、想存数据有TinyDB。但做着做着就发现,有些需求官方组件根本覆盖不了:比如需要批量图像处理、声波频率分析...