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App Inventor 2 拓展参考文档 · 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 拓展参考文档 ...
AI2 Media Notification
... in the assets/external_comps directory delete de.ullisroboterseite.ursai2medianotificationk directory. Copy the de.ullisroboterseite.ursai2medianotification directory from the extension (.aix file, also a ZIP archive) to this point in the .aia file. Re-import the project (.aia file)...
AI2 Keep Awake
...r the CPU to be constantly active. Instead, an alarm can be used (see UrsAI2Alarm ). 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 bro...
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)....
中文网（自研/维护）拓展 · 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 中文网（自研/维护）拓展 ...
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
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