大约有 11,000 项符合查询结果（耗时：0.0235秒） [XML]
终于不用拿复选框凑了：App Inventor 新组件「单选框」，问卷表单一个搞定 ...
...性别、支付方式、单选题——只能选一个的场景太多了。App Inventor 原来只有复选框，想做单选得自己写互斥逻辑。现在有了「单选框」组件：选项用逗号一填，点一个其它自动取消。
复选框凑单选，有多麻烦
以前做个「男...
把列表里每个数都乘以 2，一块积木就够：App Inventor 的「映射列表」 - Ap...
...样能做，但要四五块积木，还要多一个全局或局部变量。App Inventor 其实专门为这件事准备了一块积木。
答案：「创建新列表 逐一映射」
打开内置块的「列表」抽屉，往下翻，能找到这一块：
创建新列表 逐一映射 列表项 （...
Sending event when AngularJS finished loading
Wondered what's the best way to detect the finish of page loading/bootstrapping, when all directives done compiling/linking.
...
AI2 Keep Awake
... Motivation For some projects it is necessary to prevent the associated app from being deactivated by the operating system. A typical example would be that sensor data should be sent regularly to an MQTT broker. With version 6.0 ( Marshmallow), Android introduced Doze mode to optimize battery ...
How to get current memory usage in android?
...emory usage/available of the DEVICE. This is NOT what is available to your app. To measure what your APP is doing, and is PERMITTED to do, Use android developer's answer.
Android docs - ActivityManager.MemoryInfo
parse /proc/meminfo command. You can find reference code here: Get Memory Usage in...
Use C++ with Cocoa Instead of Objective-C?
I would like to write applications that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wra...
Programmatically open Maps app in iOS 6
Previous to iOS 6, opening a URL like this would open the (Google) Maps app:
12 Answers
...
':app:lintVitalRelease' error when generating signed apk
...stead, check what the error is and fix it.
The error report is saved to [app module]/build/reports/lint-results-yourBuildName-fatal.html. You can open this file in a browser to read about the errors.
It would be nice if Gradle could make it a little more clear where the error report is generated....
Globally catch exceptions in a WPF application?
We are having a WPF application where parts of it may throw exceptions at runtime. I'd like to globally catch any unhandled exception and log them, but otherwise continue program execution as if nothing happened (kinda like VB's On Error Resume Next ).
...
The resulting API analysis is too large when upload app to mac store
I am going to upload my first mac app to Apple Store
3 Answers
3
...