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App Inventor 2 物联网入门的两个方向：BLE直连硬件 vs MQTT云端通信，你的...
...用手机App遥控一盏LED台灯的开关和亮度。
BLE方案：买一个BLE串口模块（如JDY-08或HM-10），将其TX/RX接到单片机上。手机App扫描到设备后直接连接，通过Write Characteristic发送0x01（开）/0x00（关），硬件端订阅Notify通道实时反馈状...
Java String new line
... The third option is best for portability.
– Amos Bordowitz
Dec 2 '18 at 13:17
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How to save a Python interactive session?
...as
%save current_session ~0/
%save previous_session ~1/
Look at the videos on the presentation page to get a quick overview of the features.
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django change default runserver port
...ution for I wouldn't recommend it to run the development environment. You lose the advantage of having the server output on the terminal, among other things. If you really want to use supervisor my advice would be to use it with a fully featured WSGI server like Gunicorn. Please don't run the develo...
warning about too many open figures
...yplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
6 Answer...
What's a good IDE for Python on Mac OS X? [closed]
...he coding practices are heavily centered around TDD and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
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What are the differences between .so and .dylib on osx?
.dylib is the dynamic library extension on OSX, but it's never been clear to me when I can't / shouldn't use a traditional unix .so shared object.
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CDC:DrawText 多行显示文本（文本自动换行） - C++ UI - 清泛IT社区，为创新赋能！
...行，则DrawText改变矩形的右边界，以容纳下正文行的最后一个字符，上述任何一种情况，DrawText返回格式化正文的高度而不是写正文。
DT_CENTER：使正文在矩形中水平居中。
DT_EDITCONTROL：复制多行编辑控制...
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
...1.4, we went to 1.5 and then to 1.7. Our wsgi.py looked like this:
import os
from django.core.handlers.wsgi import WSGIHandler
os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings'
application = WSGIHandler()
When I updated to the 1.7 style WSGI handler:
import os
from django.core.wsgi impo...
What are these ^M's that keep showing up in my files in emacs?
... answered Nov 30 '09 at 22:32
Josh LeeJosh Lee
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