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HC-05/BLE 蓝牙通信数据乱码？接收到的中文乱码？乱码的原理及解决思路 · ...
...C3。而App Inventor 2的中文字符串默认是UTF-8编码的（E4 BD A0 E5 A5 BD ）。
将App Inventor 2的蓝牙客户端组件的编码改为GBK即可。
当然，将串口编码格式改为UTF-8，App Inventor 2保持默认不变也能解决乱码问题：
乱码的原理
...
二进制组件使用指导 · App Inventor 2 中文网
.../ C4 E3 BA C3」。同样的「你好」按 UTF-8 是 6 个字节 E4 BD A0 E5 A5 BD，
所以设备显示乱码时，先确认两边用的是同一种编码。
案例五：和电脑上的网络调试助手联调
没有设备也能把收发跑通：电脑上的网络调试助...
Why would finding a type's initializer throw a NullReferenceException?
...ions, System.Type[], System.Reflection.ParameterModifier[])+0xa3:
000007fe`e5735403 488b4608 mov rax,qword ptr [rsi+8] ds:00000000`00000008=????????????????
Trying to load from [rsi+8] when @rsi is NULL. Lets inspect the function:
0:000> ln 000007fe`e5735403
(000007fe`e5735360) ms...
How to automatically generate N “distinct” colors?
...() -> Iterable[Fraction]:
"""
http://en.wikipedia.org/wiki/1/2_%2B_1/4_%2B_1/8_%2B_1/16_%2B_%C2%B7_%C2%B7_%C2%B7
"""
for k in itertools.count():
yield Fraction(1,2**k)
def fracs() -> Iterable[Fraction]:
"""
[Fraction(0, 1), Fraction(1, 2), Fraction(1, 4), Fract...
How does this milw0rm heap spraying exploit work?
...e disassembled the shellcode:
00000000 C9 leave
00000001 2B1F sub ebx,[edi]
00000003 B10C mov cl,0xc
00000005 BDC536DB9B mov ebp,0x9bdb36c5
0000000A D9C5 fld st5
0000000C 2474 and al,0x74
0000000E 5A pop...
How to append rows to an R data frame
...t(1,n=10),test(2,n=10),test(3,n=10), test(4,n=10))
autoplot(r)
For 1E5 rows (measurements done on Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz):
nr function time
4 data.frame 228.251
3 sqlite 133.716
2 data.table 3.059
1 rbindlist 169.998
0 placebo 0...
WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
...
0:000> ~44s
0:044> !teb
TEB at 7ff7f000
ExceptionList: 09e5eeb4
StackBase: 09e60000
StackLimit: 09e50000
...
0:044> dpu 09e50000 09e60000
--------------------------------------------------------------------------------------------------------...
Using npm behind corporate proxy .pac
... a + to encode the space URL encoding, but it would get double encoded as %2B (which is the URL encoding for the plus sign, however the URL encoding for a space is %20), so I had to instead do the following:
npm command
// option one
// it works for some packages
npm config set http_proxy "http:/...
Generate MD5 hash string with T-SQL
...
SELECT HashBytes('MD5', 'email@dot.com')
That will give you 0xF53BD08920E5D25809DF2563EF9C52B6
-
SELECT CONVERT(NVARCHAR(32),HashBytes('MD5', 'email@dot.com'),2)
That will give you F53BD08920E5D25809DF2563EF9C52B6
sh...
How do you sign a Certificate Signing Request with your Certification Authority?
... ...
f9:5e:0c:ba:84:eb:27:0d:d9:e7:22:5d:fe:e5:51:
86:e1
Exponent: 65537 (0x10001)
Attributes:
Requested Extensions:
X509v3 Subject Key Identifier:
1F:09:EF:79:9A:73:36:C1:80:52:60:2D:03:53...