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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...传感器的温度读数。 BLE 组件与 WICED Sense 设备和 Arduino 101 板上的传感器实时交互。 这种整体设计使得即使没有任何编程经验的人也能够创建自己的移动应用程序，这些应用程序可以与不断变化的物联网设备世界无缝通信。
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Concat scripts in order with Gulp
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answered Feb 22 '14 at 22:05
Chad JohnsonChad Johnson
18.3k2929 gold badges9595 silver badges184184 bronze badges
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How do you clear Apache Maven's cache?
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edited Jul 10 '18 at 13:48
Peter G
2,39822 gold badges2222 silver badges3131 bronze badges
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How to determine if Javascript array contains an object with an attribute that equals a given value?
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280
2018 edit: This answer is from 2011, before browsers had widely supported array filtering method...
Sharing link on WhatsApp from mobile website (not application) for Android
...p/share">Share via Whatsapp</a>
Rechecked it today (17th April 2015):
Works for me on iOS 8 (iPhone 6, latest versions) Android 5 (Nexus 5, latest versions).
It also works on Windows Phone.
share
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Why can't variables be declared in a switch statement?
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edited Apr 19 at 17:02
Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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1107
If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used...
What is the id( ) function used for?
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edited Aug 9 '17 at 23:08
Ninjakannon
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answere...
How to elegantly check if a number is within a range?
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There are a lot of options:
int x = 30;
if (Enumerable.Range(1,100).Contains(x))
//true
if (x >= 1 && x <= 100)
//true
Also, check out this SO post for regex options.
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How do I log a Python error with debug information?
... trace alongside the error message.
For example:
import logging
try:
1/0
except ZeroDivisionError:
logging.exception("message")
Output:
ERROR:root:message
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
ZeroDivisionError: integer division or modulo by ze...