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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！
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2、默认是GBK编码，非UTF-8的，如“你好”对应16进制：C4 E3 BA C3。而AI2中文字符串默认是UTF-8编码的（E4 BD A0 E5 A5 BD ）。
如果遇到 Error 507 错误：
极有可能是硬件问题：
App Inventor 2 经典蓝牙(SPP) 硬件接入：hc05 · App Inventor 2 中文网
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2、默认是GBK编码，非UTF-8的，如“你好”对应16进制：C4 E3 BA C3。而AI2中文字符串默认是UTF-8编码的（E4 BD A0 E5 A5 BD ）。
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Removing MySQL 5.7 Completely [closed]
... answered Oct 10 '12 at 13:06
E3GE3G
44955 silver badges55 bronze badges
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What is the significance of ProjectTypeGuids tag in the visual studio project file
... {F85E285D-A4E0-4152-9332-AB1D724D3325}
ASP.NET MVC 4 {E3E379DF-F4C6-4180-9B81-6769533ABE47}
Test {3AC096D0-A1C2-E12C-1390-A8335801FDAB}
Solution Folder {2150E333-8FDC-42A3-9474-1A3956D46DE8}
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Is there a difference between “==” and “is”?
...0**3 evaluates to True in Python 3.7 since 10**3 is type int. But 1000 is 1e3 evaluates to False since 1e3 is type float.
– Ahmed Fasih
Sep 8 '19 at 1:13
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How to create GUID / UUID?
...ardry I can't take credit for:
function uuidv4() {
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
);
}
console.log(uuidv4());
Update, 2020-01-06: There is a proposal in t...
Why is Go so slow (compared to Java)?
... 0.49 88,320 1278 0.84 30% 28% 98% 34%
C gcc 0.42 145,900 812 0.57 0% 26% 20% 100%
pidigits
1.21x
Go 2.10 8,084 603 2.10 0% 100% 1% 1%
C gcc 1.73 1,992 448 1.73 1% 100% 1% 0%
fasta
1.45x
Go 1.97 3,456 1344 5.76 76% 71% 74% 73%
C gcc ...
Regular expression for a hexadecimal number?
...he second and third example numbers, 0acdadecf822eeff32aca5830e438cb54aa722e3 and 8BADF00D?
– Peter Mortensen
Aug 11 '16 at 12:34
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How to run Nginx within a Docker container without halting?
... Tomer Ben DavidTomer Ben David
5,07711 gold badge3636 silver badges2020 bronze badges
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How to correct TypeError: Unicode-objects must be encoded before hashing?
...(256)).encode('utf-8')).hexdigest()
'cd183a211ed2434eac4f31b317c573c50e6c24e3a28b82ddcb0bf8bedf387a9f'
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