大约有 14,000 项符合查询结果（耗时：0.0177秒） [XML]
我想使用照相机组件显示出错 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...根据报错信息，你把路径文本值设置给了颜色：
颜色的话，请使用颜色专门的代码块：
Intel HAXM 安装失败？Hyper-V or Intel HAXM 你得二选一 - App Inventor 2...
...了一下，Hyper-V 和 HAXM 都是虚拟化技术。前者是微软提供的，Windows 10 自带。后者是英特尔提供的，专门用于加速安卓模拟器。看上去这两者不兼容。如果不禁用 Hyper-V，直接重装 HAXM 的话，在安装过程中就会报错。
管理员权...
求助各位大佬！ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...信息获取，如图，已知最终结果能正确获取，但是拍完照的一瞬间报错，然后过几秒正确显示识别的信息。显示完后一直显示报错警告框，然后app就卡住了{:8_372:}请提供一下报错相关的截图，这个报错信息更为关键！同：https://b...
MQTT接入EasyIoT平台 - 创客硬件开发 - 清泛IT社区，为创新赋能！
在这篇文章基础上进行的另一个平台的测试，先学习这个：https://www.fun123.cn/reference/iot/MQTTGuide.html。
网址：https://iot.dfrobot.com.cn/
自行注册并登录。
新建一个订阅主题。
代码差别主要在：地址、端口不同，且使用用户...
【解决】CustomWebView 拓展报错：ScrollView can host only one direct ch...
CustomWebView 拓展报错：ScrollView can host only one direct child
原因：CreateWebView 时的布局容器使用了滚动布局导致的，它要使用非滚动布局才行。
What is difference between XML Schema and DTD?
...
From the Differences Between DTDs and Schema section of the Converting a DTD into a Schema article:
The critical difference between DTDs
and XML Schema is that XML Schema
utilize an XML-based syntax, whereas
DTDs have a unique syntax held over
from SGML DTDs. Although DTDs are
o...
Get users by name property using Firebase
I'm trying to create an application where I can get/set data in specific users accounts and I was tempted by Firebase.
8 An...
How to make the tab character 4 spaces instead of 8 spaces in nano?
...
If you use nano with a language like python (as in your example) it's also a good idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to conv...
How to intercept touches events on a MKMapView or UIWebView objects?
I'm not sure what I am doing wrong but I try to catch touches on a MKMapView object. I subclassed it by creating the following class :
...
When should I use Inline vs. External Javascript?
...is separate, it can easier be cached by browsers.)
JavaScript doesn't belong in the HTML code and if it contains special characters (such as <, >) it even creates problems.
Nowadays, web scalability has changed. Reducing the number of requests has become a valid consideration due to the late...