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- App应用开发 - 清泛IT社区，为创新赋能！
补充：
Q：我要补充一下说明，虽然程序报这个错，但是APP，还是可以正常接收到数据的，而且这个错只是第一次链接蓝牙的时候，获取数据，会报这个错，后面就不会了。
A：也就是说 uuid 和特征 id 是有效的？
我找到原...
有返回值的过程代码块怎样执行代码块并返值？ - App Inventor 2 中文网 - ...
Q: 请教一下，这两个过程块一个有返回结果，一个没有返回结果。这两没法包含着用而且里面的插槽形状也不一样，我想知道如果定义一个过程函数时需要里面有执行块还有其它块最后返回结果，这个时候该咋办？
有返回结果...
想做一个类似自动精灵这种，能自动化操作手机的 app？ - 用户反馈 - 清泛IT...
Q：也就是想做一个类似自动精灵这种，能自动化操作手机的 app？
A：那的确 appinventor 目前没有这个能力，目前没有自己点屏幕的方案，操作手机层面需要的权限也很大，基本上实现不了的。
微数据库 · App Inventor 2 中文网
...示在电脑屏幕上。
在手机 AI 伴侣中点击蓝色的「scan QR code」按钮扫描二维码；也可以输入代码，再点击橙色的「connect with code」按钮。
使用模拟器连接
模拟器由 aiStarter 自动启动，不需要手机，但速度较慢、环境配置较复...
Amazon SimpleDB vs Amazon DynamoDB
...:
While SimpleDB has scaling limitations, it may be a good fit for
smaller workloads that require query flexibility. Amazon SimpleDB
automatically indexes all item attributes and thus supports query
flexibility at the cost of performance and scale.
So it's a trade off between performance...
Server.MapPath(“.”), Server.MapPath(“~”), Server.MapPath(@“\”), ...
...D:\WebApps\shop
For example, if you call Server.MapPath() in following request:
http://www.example.com/shop/products/GetProduct.aspx?id=2342
then:
Server.MapPath(".")1 returns D:\WebApps\shop\products
Server.MapPath("..") returns D:\WebApps\shop
Server.MapPath("~") returns D:\WebApps\shop
Ser...
How to move git repository with all branches from bitbucket to github?
What is the best way to move a git repository with all branches and full history from bitbucket to github? Is there a script or a list of commands I have to use?
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Using JQuery - preventing form from submitting
...the same page, and it worked, still unsure what was wrong though, but it's all good now. thanks!
– Lucy Weatherford
Feb 19 '12 at 8:16
1
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How to remove focus around buttons on click
My buttons all have a highlight around them after I click them. This is in Chrome.
38 Answers
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Can I set enum start value in Java?
...
Java enums are not like C or C++ enums, which are really just labels for integers.
Java enums are implemented more like classes - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
private final int id;
Ids(int id) { this.id = i...