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手机当上位机：用二进制协议和设备收发数据 · App Inventor 2 中文网
...低 8 位 01）。
准备
电脑装好 Python 3（不需要装任何库），下载 binary_device.py，运行 python binary_device.py。
窗口显示「模拟设备已启动，端口 8888」和电脑 IP。电脑和手机连同一个 Wi-Fi；IP 不对时在电脑上用 ipc...
Why Android Studio says “Waiting For Debugger” if am NOT debugging?
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answered Jul 3 '14 at 17:36
John LewinJohn Lewin
4,90244 gold badges1919 silver badges1818 bronze badges
...
Replace a character at a specific index in a string?
... waldyr.ar
11.7k66 gold badges2727 silver badges6363 bronze badges
answered Aug 5 '11 at 6:38
Petar IvanovPetar Ivanov
80.8k77 ...
Dictionary vs Object - which is more efficient and why?
...me python test_dict.py && time python test_slots.py
real 0m27.398s (using 'normal' object)
real 0m16.747s (using __dict__)
real 0m11.777s (using __slots__)
Using CPython 2.6.2, including the named tuple test:
$ python --version
Python 2.6.2
$ time python test_obj.py && ti...
How to play audio?
...on't want to mess with HTML elements:
var audio = new Audio('audio_file.mp3');
audio.play();
function play() {
var audio = new Audio('https://interactive-examples.mdn.mozilla.net/media/examples/t-rex-roar.mp3');
audio.play();
}
<button onclick="play()">Play Audio</button>
...
Example images for code and mark-up Q&As [closed]
...d interface that defines the URLs and makes them easy to access.
Details: 32x32 pixel PNG (4 colors x 5 shapes) with partial transparency (along the edges).
Categories: png icons
Sprite Sheets
Chess Pieces as originally seen ...
How to write a scalable Tcp/Ip based server
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answered May 18 '09 at 3:55
Kevin NisbetKevin Nisbet
2,1991515 silver badges1414 bronze badges
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Why does Decimal.Divide(int, int) work, but not (int / int)?
How come dividing two 32 bit int numbers as ( int / int ) returns to me 0 , but if I use Decimal.Divide() I get the correct answer? I'm by no means a c# guy.
...
Benefits of header-only libraries
...eader-only implementation ran 7% slower. stackoverflow.com/questions/12290639/…
– Homer6
Nov 28 '12 at 19:35
@Homer6...
How to get filename without extension from file path in Ruby
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NobodyNada
6,74466 gold badges3636 silver badges4747 bronze badges
answered Dec 17 '08 at 12:27
user46519user46519
...