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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...有限的物联网设备进行通信的首选。BluetoothLE 扩展需要 Android 5.0 或更高版本。
2种通信方式：扫描和广播
扫描
详细接入步骤：
开始扫描 -> 获取BLE设备列表 -> 连接指定设备（也可指定MAC地址连接）-> 设备指定服务uuid和特征...
How to echo shell commands as they are executed
... What if I want it to sing each command through a vocaloid-like speech synthesizer when echoing, so I can hear what it's doing from a distance and also enjoy the music? Perhaps in a different voice for inputs and outputs.
– ADJenks
Feb 26 '19 at 18:1...
iOS Remote Debugging
...iOS's UIWebView rather than a full blown implementation of Chrome like the Android counterpart.
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How can I define colors as variables in CSS?
...
Also worked on my android's Chrome Version Android 5.1.0 Chrome 49.0.2623.105
– Arthur Weborg
Apr 7 '16 at 21:00
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What is Data URI support like in major email client software?
...derbird 3.0
Thunderbird latest
These mobile clients do show data URIs:
Android 2.3
Android 4.0
BlackBerry 5 OS
iPad
iPhone 3GS
iPhone 4S
iPhone 5
None of the webmail clients showed data URIs.
These desktop clients don't:
Lotus Notes 6.5
Lotus Notes 7
Lotus Notes 8.5
Outlook 2000
Outlook 200...
HTML img tag: title attribute vs. alt attribute?
...etimes images don't load; and there are non-visual browsers for the blind; speech features in safari read the page, including alt attributes from images; search engine optimization; etc. lots of good reasons not to assume 100% image display.
– jwl
May 16 '09 a...
How to add a browser tab icon (favicon) for a website?
...e/png" href="/content/images/favicon-32x32.png" sizes="32x32">
<!-- Android/Chrome -->
<!-- manifest-json - The location of the browser configuration file. It contains locations of icon files, name of the application and default device screen orientation. Note that the name field is man...
Decompile .smali files on an APK [duplicate]
...t to do just what we have been looking for => https://github.com/google/android-classyshark
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Best approach to real time http streaming to HTML5 video client
...whatever point you wish.
Now let's dig in a bit.
Platforms:
iOS
PC
Mac
Android
Codecs:
vp8/9
h.264
thora (vp3)
Common Delivery methods for live video in browsers:
DASH (HTTP)
HLS (HTTP)
flash (RTMP)
flash (HDS)
Common Delivery methods for VOD in browsers:
DASH (HTTP Streaming)
HLS (H...
What is the AppDelegate for and how do I know when to use it?
...om what I understand of appDelegate, is close to what an Application is in Android. The viewDidLoad, viewDidDisappear is comparable to what Android's Lifecycle. Every application has a life cycle, from launching to interruptions from calls coming in, to notifications showing up. If you need your cod...