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- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

appinventor是弱语言类型,只有数字(整数、浮点数),没有float类型。 float 的内存表示比较复杂,不建议直接将内存拿来转换。 比较建议的做法,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...
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IntelliJ beginning of file keyboard shortcut

... on windows, it is by default Ctrl + Home to go to the beginning of a file and Ctrl+End for the end. vote this comment if you are on windows! – Gab是好人 Jul 21 '15 at 14:41 ...
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Intellij IDEA show javadoc automatically

... code and show Javadocs. However when I am using Intellij IDEA if I click Ctrl+Space I can see the auto-complete and if I click Ctrl+Q I can see the javadoc seperately. ...
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BLE(四)嗅探工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...(BR/EDR)的传统蓝牙无线通信和低功耗蓝牙无线通信数据同时直观的显示出来。 优点: 无角色指定链路抓取意味着在初始化设置时不再需要指定哪个设备是主设备(master),哪个设备是从设备(slave)能够同时可视化的监...
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App Inventor 2 代码调试方式:App调试、问题排查方法 · App Inventor 2 中文网

...机的话,插上数据线就行了) adb connect 127.0.0.1:7555 6、输入adb devices,验证是否成功连接。 adb shell 进控制。 7、查看日志:adb logcat,执行结果参考如下: 要停止日志输出,请Ctrl + C。 切换 ...
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怎么解决MQTT连接掉线,自动连接问题,同时解决,反复断开连接,断开连接问...

解决MQTT退出后台后掉线自动连接问题,现在可以实现自动连接,但是在返回控制界面的时候,反复断开反复链接,还有切换页面的时候返回也是同样的问题,还有连接一个服务器,需要每个页面单独设置MQTT连接吗,是不是可以...
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网

...盘、柱状图、折线图、饼图 【UI】TextboxUtil 扩展:消除输入框焦点(光标) 【UI】ComponentTools 拓展:设置组件的边距等 【UI】SwipeRefresh 拓展:手机屏幕下拉刷新 【UI】SliderVertical 扩展:垂直的滑动条 【UI】RadioButtons 扩展...
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Fixing Sublime Text 2 line endings?

...ine endings from LF to CRLF: open Sublime and follow the steps:- 1 press Ctrl+shift+p then install package name line unify endings then again press Ctrl+shift+p 2 in the blank input box type "Line unify ending " 3 Hit enter twice Sublime may freeze for sometimes and as a result will change the...
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Mark current Line, and navigate through marked lines

In Visual Studio, we can use: CTRL+kk to place a marker on the current line and CTRL+kn to navigate through marked lines. ...
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Exiting from python Command Line

...my python interpreter exit is actually a string and not a function -- 'Use Ctrl-D (i.e. EOF) to exit.'. You can check on your interpreter by entering type(exit) In active python what is happening is that exit is a function. If you do not call the function it will print out the string representation...