大约有 467 项符合查询结果（耗时：0.0135秒） [XML]
Do HttpClient and HttpClientHandler have to be disposed between requests?
...ful e.g. if you are on a mobile device that at any time may switch between wifi and 4G.
– Johan Franzén
Mar 26 '19 at 20:46
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传感器组件 · App Inventor 2 中文网
...化。
启用
如果为真，则位置传感器将尝试从 GPS、WiFi 位置或设备上可用的其他方式读取位置信息。 此设置不控制位置信息是否实际可用。 必须在设备设置中启用或禁用设备定位。
拥有精度数据
如果为真，则设备可以...
Should I use PATCH or PUT in my REST API?
... safe to retry, and when not. Let's say the client is somewhere with flaky wifi, and its user clicks on "deactivate", which triggers a DELETE: If that fails, the client can simply retry, until it gets a 404, 200 or anything else it can handle. But if it triggers a POST to deactivation it knows not t...
Using node.js as a simple web server
...... 0.0.0.0 will make it bind to ALL IPs of all your IP networked devices (WiFi, Cable, Bluetooth) which is a bad idea on any public network as you may potentially get hacked. It's not so bad if you just wanted to demo your app inside a safe fire walled network to show others or connect it to your ...
What is the difference between localStorage, sessionStorage, session and cookies?
...okie information can also be intercepted in transit, especially on an open wifi.
On the positive side cookies can have a degree of protection applied from security risks like Cross-Site Scripting (XSS)/Script injection by setting an HTTP only flag which means modern (supporting) browsers will preve...
用户界面（UI）组件 · App Inventor 2 中文网
...imaryColor： 主题颜色。app的主要颜色，即整个屏幕和所有控件的主要颜色，首选颜色。
SecondaryColor：提示性颜色。这颜色一般比PrimaryColor亮一些或暗一些，取决于白天模式还是黑暗模式。一般用于提示相关动作或信息，提...
地图组件（高德地图） · App Inventor 2 中文网
...显示比例尺
是否在地图上叠加显示比例尺。
显示缩放控件
指定是否显示缩放控件。
显示用户位置
在地图上显示或隐藏指示用户当前位置的图标。
此功能的可用性和准确性取决于用户是否启用了定位服务以及可用的...
通信连接组件 · App Inventor 2 中文网
...
如果与服务器的连接丢失（不是服务器关闭，而是 wifi 连接问题），则不会有任何事件触发（但崩溃现已修复）。
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多媒体组件 · App Inventor 2 中文网
...矩形，将在视频中出现播放、暂停、向前跳转和向后跳转控件。
App可以通过调用 播放、暂停 和 跳转 方法来控制视频播放器的行为。
视频文件应为 3GPP (.3gp) 或 MPEG-4 (.mp4) 格式。更多详细信息格式，见 Android 支持的媒体格式。...
Good way of getting the user's location in Android
... but what if the latest network location is awesome (it might know through wifi) and it takes no time or battery to get it (getLastKnown), then criteria will probably disregard that and return the GPS instead. I can't believe google has made it this difficult for developers.
– ...