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AppInventor2 知识产权保护相关问题分享 - App Inventor 2 中文网 - 清泛IT...
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A：软著申请门槛不高，只是准备材料及材料格式要求比较严格一些。上架应用商店是可以的，具体流程请参照相应商店的文档。软件备案是可以的，按照工信部要求提供相关材料即可。 软件开发平台是开源的，Apach...
串口Read不到数据的问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户发送的是 8n1 的格式，但是ai2的串口貌似不支持这种格式。写串口正常，读串口为空，len为0。
目前经过测试验证，应该是 \n 作为结束符的。发送时，也是。
ai2使用 physicaloid 库完成的串口功能。
AppInventor如何实现通过扫二维码导入表格数据 - App Inventor 2 拓展 - 清...
...格csv数据：
使用Web客户端组件访问url获取数据。数据格式建议采用csv（逗号分隔）格式。
4、解析数据并展示：
推荐使用TableView拓展展示csv表格数据。
Basic example of using .ajax() with JSONP?
Please could someone help me work out how to get started with JSONP?
4 Answers
4
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How do you save/store objects in SharedPreferences on Android?
..., etc.
Editor prefsEditor = mPrefs.edit();
Gson gson = new Gson();
String json = gson.toJson(myObject);
prefsEditor.putString("MyObject", json);
prefsEditor.commit();
To retrieve:
Gson gson = new Gson();
String json = mPrefs.getString("MyObject", "");
MyObject obj = gson.fromJson(json, MyObject....
How to deserialize a JObject to .NET object
I happily use the Newtonsoft JSON library .
For example, I would create a JObject from a .NET object, in this case an instance of Exception (might or might not be a subclass)
...
@RequestBody and @ResponseBody annotations in Spring
...thing like this:
Using a JavaScript-library like JQuery, you would post a JSON-Object like this:
{ "firstName" : "Elmer", "lastName" : "Fudd" }
Your controller method would look like this:
// controller
@ResponseBody @RequestMapping("/description")
public Description getDescription(@RequestBody...
How to access the GET parameters after “?” in Express?
...'))
app.use(bodyParser.urlencoded({ extended: false }))
app.use(bodyParser.json())
app.get('/', (req, res) => {
usersNdJobs()
.then((users) => {
res.render('users', { users })
})
.catch(console.error)
})
app.get('/api/company/users', (req, res) => {
const companyname...
Why do we have to specify FromBody and FromUri?
...to select a formatter. In this example, the content type is
"application/json" and the request body is a raw JSON string (not a
JSON object). At most one parameter is allowed to read from the
message body.
This should work:
public HttpResponseMessage Post([FromBody] string name) { ... }...
How to make node.js require absolute? (instead of relative)
...modules/app
If your application had transforms configured in package.json, you'll
need to create a separate package.json with its own transform field in
your node_modules/foo or node_modules/app/foo component directory
because transforms don't apply across module boundaries. This will
...