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How to create a drop-down list?
... obsolete
– Alberto M
Dec 13 '17 at 11:05
1
@AlbertoM Its not obsolete, its optional. You don't n...
Get the (last part of) current directory name in C#
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edited May 16 '11 at 13:47
answered May 16 '11 at 13:42
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how to rotate a bitmap 90 degrees
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In case you don't need the original bitmap, call bitmap.recycle() to be certain.
– Nick Bedford
Feb 12 '19 at 10:47
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Detect if a NumPy array contains at least one non-numeric value?
...the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
5 Answers
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Is it possible to change the textcolor on an Android SearchView?
...this was copied and shortened from my answer here: stackoverflow.com/a/26251197/2914140.
– CoolMind
Mar 23 '19 at 21:08
add a comment
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How to set top-left alignment for UILabel for iOS application?
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Community♦
111 silver badge
answered Aug 25 '11 at 14:30
shawnwallshawnwall
4,23811 gold ...
Socket客户端使用指导 · App Inventor 2 中文网
...务器必须接受原始 TCP，不能填 WebSocket 网址。
when 按钮_连接.Click() {
Socket客户端1.Connect()
}
when 按钮_断开.Click() {
Socket客户端1.Disconnect()
}
when Socket客户端1.Disconnected() {
标签1.Text = "连接已断开"
}
TCP 接收块不保证恰好是一条...
App Inventor 2 SideBarV2 侧边栏拓展 · App Inventor 2 中文网
...用 Show 和 Hide 控制显示：
when Screen1.Initialize() {
SidebarV2_1.Create(
垂直布局_内容,
["首页", "消息", "设置"],
["home", "message", "settings"],
"sidebar_background.png")
}
when 按钮_菜单.Click() {
SidebarV2_1.Show()
}
when SidebarV2_1.AfterSelecting...
BLE数据收发 20个字节的限制问题 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...n/reference/iot/bluetoothle.html
App Inventor 2 发表于 2024-11-07 17:28
RequestMTU – 为 BluetoothLE 连接请求新的最大传输单元 (MTU)。此功能仅在两个设备都支持蓝牙 4.2 或更高 ...
谢谢，但是我设置了MTU为128后，接收字节可以达到128字节...