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AI2伴侣权限的问题 - App应用开发 - 清泛IT社区，为创新赋能！
...p; 成功找到蓝牙设备{:8_385:}
觉得对你有所帮助的话，点个小红花或者多多支持吧！
{:8_389:}{:8_381:}
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！
...收字节可以达到128字节，但是发送字节最大只有25字节{:8_364:}
同样的手机和蓝牙模块，我使用蓝牙调试助手软件，测试单次收发字节能达到200字节以上ABCDHHH 发表于 2024-11-08 08:55
谢谢，但是我设置了MTU为128后，接收字节可以达...
C# code to validate email address
...nternally:
const string pattern = @"^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x...
Python nonlocal statement
...so that it looks more like the idioms of languages with closures.
def make_counter():
count = 0
def counter():
nonlocal count
count += 1
return count
return counter
Obviously, you could write this as a generator, like:
def counter_generator():
count = 0
...
std::unique_ptr with an incomplete type won't compile
I'm using the pimpl-idiom with std::unique_ptr :
6 Answers
6
...
Block Comments in Clojure
... A word of warning -- the (comment) macro expands to nil. Use #_ to comment a single form, or #_(comment ...) to comment multiple forms without inserting a nil.
– treat your mods well
Dec 18 '11 at 2:55
...
How do I shuffle an array in Swift?
...Distance` in < Swift 4.1
let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount)))
let i = index(firstUnshuffled, offsetBy: d)
swapAt(firstUnshuffled, i)
}
}
}
extension Sequence {
/// Returns an array with the contents of this...
Check whether a path is valid in Python without creating a file at the path's target
...
tl;dr
Call the is_path_exists_or_creatable() function defined below.
Strictly Python 3. That's just how we roll.
A Tale of Two Questions
The question of "How do I test pathname validity and, for valid pathnames, the existence or writabilit...
Best way to show a loading/progress indicator?
...
From the Android Developer website: STYLE_SPINNER Creates a ProgressDialog with a circular, spinning progress bar.
– Tequilaman
Dec 26 '14 at 1:15
...
How do I “source” something in my .vimrc file?
...t;C-]>
:set yy bbbb4dw
The only file sourced by default is the .vimrc(_vimrc on windows) so that's a place you can keep all the commands you use to set up Vim every time.
Where it gets interesting is the fact that since a sourced file is just a series of commands, and sourcing is a command, yo...