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https://www.tsingfun.com/it/tech/1744.html 

Access-Control-Allow-Origin与跨域 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...没人会用 * Request header field X-Requested-With is not allowed by Access-Control-Allow-Headers. 注释掉:aj.XMLHttpRequest.setRequestHeader('X-Requested-With', 'XMLHttpRequest');Access-Control-Allow-Origin 跨域
https://www.tsingfun.com/it/tech/1869.html 

Office2013密钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... TKX7J-VDN26-Y2WKQ-7MG8R-X2CC9 N9M8X-QDKGK-W27Q6-2GQYT-TJC9K 4VNXV-F7PBY-GY8WK-2KYDD-B96YQ HDN2D-VJPHH-D4P4K-BQ27R-BY28K Office 2013 Pro Plus MSDN Retail Keys: NFFT2-HWVWR-C934T-YM2VJ-YPXKK THN7X-Y9DM4-QH2TT-XQ82G-9KVTX N9JFJ-44VW2-X3J33-BXX9K-P3429 MJN6F-M8XD9-R84JM-P8P8W-J8C9K ...
https://www.tsingfun.com/it/te... 

[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术

...6) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs CTRL: PTY read or GRE write failed (pty,gre)=(6,7) CTRL: Reaping child PPP[13354] CTRL: Client XXX.XXX.XXX.XXX control connection finished 于是把打...
https://www.tsingfun.com/it/tech/2273.html 

Mono - 跨平台 .NET运行环境 - 更多技术 - 清泛网 - 专注C/C++及内核技术

.... Exceptions are properly marshaled in both directions. mobjc may be used by itself, but it's much nicer to use mcocoa which is built on top of mobjc and provides (mostly) type-safe wrappers for foundation and appkit. mobjc requires Mac OS 10.5 or later. mcocoa for their wrapper classes which all...
https://bbs.tsingfun.com/thread-227-1-1.html 

Access-Control-Allow-Origin与跨域 - 建站技术 - 清泛IT论坛,有思想、有深度

...没人会用 * Request header field X-Requested-With is not allowed by Access-Control-Allow-Headers. 注释掉:aj.XMLHttpRequest.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
https://www.tsingfun.com/it/cp... 

C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...dynamically typed values. In some languages, `Test` // might be supported by a native representation. For example, in // scripting languages like JS a struct is represented as an // object. The details of that representation are described together // with the proto support for the language. // ...
https://bbs.tsingfun.com/thread-1276-1-1.html 

App Inventor 2 解决一个编译报错DX failed - App Inventor 2 中文网 - 清...

...dx.command.Main.main(Main.java:94)      [java] Caused by: java.lang.InterruptedException: Too many errors      [java]     at com.android.dx.command.dexer.Main.processAllFiles(Main.java:607) ---- 原因很明显,重复导入了两个...
https://puravidaapps.com/table.php 

App Inventor Tutorials and Examples: Dynamic Table Layout | Pura Vida Apps

...Version 4: Removed the clock component and replaced it by the new Webviewer.WebViewStringChange event New in Version 5 (2020-10-21): PathToAssets method of the tools extension has been updated, which now returns file:///storage/emulated/0/...
https://bbs.tsingfun.com/thread-1829-1-1.html 

MQTT 之保留消息(Retained Messages) - 创客硬件开发 - 清泛IT社区,为创新赋能!

...after subscribing. For each topic only one retained message will be stored by the broker.保留消息作用  可以让新订阅的客户端得到发布方的最新的状态值,而不必要等待发送。A retained message makes sense, when newly connected subscribers should receive messages im...
https://bbs.tsingfun.com/thread-1953-1-1.html 

BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...

... at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013) Caused by: java.lang.IllegalArgumentException: UUID string too large at java.util.UUID.fromStringJava11(UUID.java:238) at java.util.UUID.fromString(UUID.java:226) at edu.mit.appinventor.ble.BluetoothLEGattAttributes.<clinit...