大约有 40,000 项符合查询结果(耗时:0.0303秒) [XML]

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输入-选中项索引值-查看下拉框中的选中项内容 - App Inventor 2 中文网 - ...

...用字符串输入了20个选择项(数字),一个按纽健,一个文本输入框(用于输入选择项的索引值),一个标签(用于显示输入的索引值对应的选择项内容,网上查看了下编码过程,但文字叙述还是一头雾水没理解,恳求一这段过...
https://bbs.tsingfun.com/thread-2326-1-1.html 

低频率蓝牙发送报文报错,报错内容和程序如下。麻烦老师们帮忙解决一下 - A...

低频率蓝牙发送报文报错,报错内容和程序如下。麻烦老师们帮忙解决一下 值是一个字节列表,不是文本。 utf16  参数建议 “假”。
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- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...较建议的做法,浮点数使用字符串来通信传输(比如传输文本"3.14"),不要用float的原始内存。
https://bbs.tsingfun.com/thread-2485-1-1.html 

APP Inventor 空字符串怎么表示? - App应用开发 - 清泛IT社区,为创新赋能!

Q:APP Inventor 空字符串怎么表示? A:文本下的字符串,不填写任何内容,就是空字符串。 详见文档:https://www.fun123.cn/reference/blocks/text.html#string
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AppInventor写二进制文件 - App应用开发 - 清泛IT社区,为创新赋能!

默认情况下,文件组件都是处理文本的,不能直接处理二进制。 使用拓展可以写二进制文件:https://www.fun123.cn/reference/iot/bytearray.html 蓝牙等组件返回的字节列表(list),目前不能直接追加到拓展中,可以采用遍历字节列...
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How does this checkbox recaptcha work and how can I use it?

... Excerpt from the email: We expect to move all existing reCAPTCHA sites to the new API in 2015. – Timothy Zorn Sep 11 '14 at 3:29 1 ...
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Enabling HTTPS on express.js

... All is written here: github.com/visionmedia/express/wiki/Migrating-from-2.x-to-3.x Paragraph Application function – codename- Jul 31 '12 at 16:50 ...
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How to pass json POST data to Web API method as an object?

... with the result :) }); Model binding works for some properties, but not all ! Why ? If you do not decorate the web api method parameter with [FromBody] attribute [HttpPost] public CreateUserViewModel Save(CreateUserViewModel m) { return m; } And send the model(raw javascript object, not i...
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Get the current first responder without using a private API

...that my app cannot be accepted because I'm using a non-public API; specifically, it says, 28 Answers ...
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How can I read SMS messages from the device programmatically in Android?

...ForResult(intent, 1); }else { List<Sms> lst = getAllSms(); } }else { List<Sms> lst = getAllSms(); } Set app as default SMS app @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 1...