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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 UrsAI2UDP 拓展 - UDP广播...
Checkout subdirectories in Git?
...--local uploadpack.allowanysha1inwant 1
There is no server support as of v2.19.0, but it can already be locally tested.
file://$(path) is required to overcome git clone protocol shenanigans: How to shallow clone a local git repository with a relative path?
Remember that --depth 1 already implies...
Accessing MP3 metadata with Python [closed]
...te are below.
Reading the contents of an mp3 file containing either v1 or v2 tag info:
import eyeD3
tag = eyeD3.Tag()
tag.link("/some/file.mp3")
print tag.getArtist()
print tag.getAlbum()
print tag.getTitle()
Read an mp3 file (track length, bitrate, etc.) and access it's tag:
if eyeD3.isM...
How to version REST URIs
...you need to do is create support for a new application/vnd.yourcompany.userV2+xml media type and through the magic of content negotiation your v1 and v2 clients can co-exist peacefully.
In a RESTful interface, the closest thing you have to a contract is the definition of the media-types that are ex...
Why is the time complexity of both DFS and BFS O( V + E )
...
Your sum
v1 + (incident edges) + v2 + (incident edges) + .... + vn + (incident edges)
can be rewritten as
(v1 + v2 + ... + vn) + [(incident_edges v1) + (incident_edges v2) + ... + (incident_edges vn)]
and the first group is O(N) while the other is O(E)....
builder for HashMap
...
Since Java 9 Map interface contains:
Map.of(k1,v1, k2,v2, ..)
Map.ofEntries(Map.entry(k1,v1), Map.entry(k2,v2), ..).
Limitations of those factory methods are that they:
can't hold nulls as keys and/or values (if you need to store nulls take a look at other answers)
produce...
How to directly initialize a HashMap (in a literal way)?
... can you add "as ImmutableMap.builder.put("k1","v1").put("k2","v2").build()" as the "of" method is limited to 5 pairs at maximum ?
– kommradHomer
Oct 15 '14 at 9:15
3
...
HC-05 蓝牙模块开发 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...的窗口输入PIN码连接。
输入PIN码的弹窗及验证等功能是ai2 ble拓展自带的功能，无需额外开发。
不是所有的BLE硬件都支持PIN码设置及验证，需要看硬件的说明书，例如某硬件说明书支持PIN码设置的如下：
1、发送/接收如果...