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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 ...
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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...
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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)....
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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...
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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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PDO Prepared Inserts multiple rows in single query

...tmt = $pdo->prepare('INSERT INTO foo VALUES(:v1_1, :v1_2, :v1_3), (:v2_1, :v2_2, :v2_3), (:v2_1, :v2_2, :v2_3)'); $stmt->bindValue(':v1_1', $data[0][0]); $stmt->bindValue(':v1_2', $data[0][1]); $stmt->bindValue(':v1_3', $data[0][2]); // etc... $stmt->execute(); Or: $stmt = ...
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Git Tag list, display commit sha1 hashes

...annotated tags: e2b2d6a172b76d44cb7b1ddb12ea5bfac9613a44 commit refs/tags/v2.11.0-rc3^{} 1310affe024fba407bff55dbe65cd6d670c8a32d commit refs/tags/v2.11.0-rc2^{} 3ab228137f980ff72dbdf5064a877d07bec76df9 commit refs/tags/v2.11.0-rc1^{} 1fe8f2cf461179c41f64efbd1dc0a9fb3b7a0fb1 commit refs/tags/v2.11....
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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...
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App Inventor 2 源码商店

... 二分查找(BinarySearch)算法的AI2实现 ...
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蓝牙BLE设备使用BLE拓展连不上蓝牙? - 创客硬件开发 - 清泛IT社区,为创新赋能!

...App 或者 nRF Connect App 进行硬件连接和测试,没问题再使用ai2 ble拓展开发。 如果测试没有问题,ai2 蓝牙连接处代码及具体的报错信息截图提供,具体问题具体分析。