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蓝牙通信接收的信息出现乱码？ - App应用开发 - 清泛IT社区，为创新赋能！
...乱码，大概率是波特率设置不对，请注意检查。
2、保持通信两边统一的编码，例如都使用UTF8编码。ESP端请确认文件、字符串等编码格式，AppInventor端也可以设置编码格式。
波特率 是115200， 换了字符编码也不行ESP32 蓝牙发送...
Why does modern Perl avoid UTF-8 by default?
..., we got 12. Perl assumed that we were operating on the Latin-1 string "æååã" (which is 12 characters, some of which are non-printing).
This is called an "implicit upgrade", and it's a perfectly reasonable thing to do, but it's not what you want if your text is not Latin-1. That's why it's c...
Is the LIKE operator case-sensitive with MSSQL Server?
In the documentation about the LIKE operator , nothing is told about the case-sensitivity of it. Is it? How to enable/disable it?
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How do I copy a string to the clipboard on Windows using Python?
...ith Unicode characters too. I have tested characters ±°©©αβγθΔΨΦåäö to work on Win10 64-bit, with Python 3.5 and pyperclip 1.5.27.
– np8
Jul 3 '16 at 15:55
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HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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UCenter通信成功，通知失败的解决办法 - 建站技术 - 清泛IT论坛，有思想、有深度
/source/class/discuz/discuz_application.php
注释掉如下3行代码，亲测有效，原因目前未知，有兴趣可以研究一下。
BLE通信数据不能超过20字节？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
有用户反馈，BLE好像有20字节（字符）限制，难道要破开多次传输？如果用专门的安卓调试软件就没问题，用AI2就截断了，只有20字符。
答复：
1-在 ESP32 代码中，我放置了这一行：BLEDevice::setMTU(192);
2- 在应用程序中，我将...
windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...CrashGenerationServer类对象。客户进程和服务进程是通过管道通信的，通信可以只发生在客户进程初始化阶段，server进程要先于客户进程启动，否则客户进程就会因为管道连接不上而使用进程内dump捕获。
进程内、外dump捕获，都是...
The most efficient way to implement an integer based power function pow(int, int)
...tion chain for a¹⁵ above, the subproblem for a⁶ must be computed as (a³)² since a³ is re-used (as opposed to, say, a⁶ = a²(a²)², which also requires three multiplies).
share
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improve ...
Difference between Big-O and Little-O Notation
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x² ∈ O(200 * x²)
The following are true for little-o:
x² ∈ o(x³)
x² ∈ o(x!)
ln(x) ∈ o(x)
Note that if f ∈ o(g), this implies f ∈ O(g). e.g. x² ∈ o(x³) so it is also true that x² ∈ O(x³), (again, think of O as <= and o as <)
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