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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...er 语音识别扩展：获取设备支持的语音识别语言列表
【持续语音识别】ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动
【媒体助手】MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面
通信
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...ite 拓展由中文网开发及维护，基于开源 aix-SQLite 拓展。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
中文网测试案例
.aia 测试源码下载：
TestSqlite.aia
...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...lick Save.
The diagram is exported. To export in a vector format, use To PDF File, instead. This allows for simplified editing using Inkscape (or other vector image editor).
These instructions may work for SQL Developer 3.2.09.23 to 4.1.3.20.
...
Generating HTML email body in C#
...;
var file = new Attachment(fileStream, MediaTypeNames.Application.Pdf);
file.Name = "FILE.PDF";
msg.Attachments.Add(file);
// Send the email
var client = new SmtpClient(...);
client.Credentials = new NetworkCredential(...);
client.Send(msg)...
How to use the “number_to_currency” helper method in the model rather than view?
...swer.
If you think “but I really need this to write my to_csv & to_pdf methods in my model!”, then your entire premise is wrong—after all, you don’t have a to_html method, do you? And yet your object is very often rendered as HTML. Consider creating a new class for generating your outp...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...原作者开发动机
对于一个项目，应该开发一个与 ESP8266（项目）通信的 Android 应用程序。为了轻松开发应用程序，选择了 MIT App Inventor 2。
项目中可用的 ESP8266 设备的 IP 地址不应固定。应用程序本身应该确定哪些设备...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...字段名，这些名称在任何数据库中都不建议使用中文。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
1.2版本更新（2025/09/15）
默认sqlite3
优化库导入导出方法
.aix 拓展下载：
cn.fun...
Duplicate headers received from server
I found this error while exporting to pdf in chrome.
5 Answers
5
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What is the difference between JSON and Object Literal Notation?
...resources.
ECMA-262 Links
Initial Edition, June 1997
PDF.
2nd Edition, August 1998
PDF.
3rd Edition, December 1999 PDF.
5th Edition, December 2009 PDF.
5.1 Edition, June 2011 HTML.
6th Edition, June 2015 HTML.
7ᵗʰ Edition, June 2016 HTML.
8th edition...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...性能最高的接口）。
使用相同的基准程序来运行 libevent 与 libevent 仿真基准测试（在这种情况下执行相同的代码路径/源代码行）并运行本机 libev API 基准测试（具有不同的代码路径，但功能相同）。
libevent 和 libev+libevent 仿真...