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App Inventor 2 串口调试 App 全方案技术调研 - App应用开发 - 清泛IT社区，为创新赋能！
...常用的工具。很多同学问：App Inventor 2 能不能做一个手机版的串口调试器？答案是：不仅能做，而且有多条技术路线可选。本文从源码层面深度剖析 App Inventor 2 的串口通信能力，给出完整的方案对比和实现建议。
一、先说...
Clone only one branch [duplicate]
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From the announcement Git 1.7.10 (April 2012):
git clone learned --single-branch option to limit cloning to a single branch (surprise!); tags that do not point into the history of the branch are not fetched.
Git actually allows you to clone only one bra...
Union of dict objects in Python [duplicate]
...t; a
{'a': 1, 'b': 2}
For details, check PEP-584
Original answer from 2012
If you need both dicts to remain independent, and updatable, you can create a single object that queries both dictionaries in its __getitem__ method (and implement get, __contains__ and other mapping method as you need...
2016电商“死亡”名单（上半年） - 资讯 - 清泛网 - 专注IT技能提升
...产品。
融资记录：2011年8月获得百万人民币天使投资，2012年7月获红点的150万美金A轮融资，2013年4月获得阿里资本的300万美金A+轮融资，2014年9月获得由新天域资本领投的数千万美金B轮融资。2016年4月，网上传出“淘在路上”C...
iPhone and OpenCV
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OpenCV now (since 2012) has an official port for the iPhone (iOS).
You can find all of OpenCV's releases here.
And find install instructions here:
Tutorials & introduction for the new version 3.x
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Get number days in a specified month using JavaScript? [duplicate]
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So everyone who's wondering why new Date(2012, 5, 0).getDate() returns 31.. the 5th month (1 based) is may and not june
– tObi
Oct 20 '14 at 15:57
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How to attach file to a github issue?
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As of December 7, 2012, you can attach images by drag/drop or use a file chooser. See https://github.com/blog/1347-issue-attachments for more details.
share
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What are the differences and similarities between ffmpeg, libav, and avconv?
...urce Ubuntu uses is from the ffmpeg-to-avconv transition period.
In June 2012, the message was re-worded for the package libav - 4:0.8.3-0ubuntu0.12.04.1. Unfortunately the new "deprecated" message has caused additional user confusion.
Starting with Ubuntu 15.04 "Vivid Vervet", FFmpeg's ffmpeg is...
How to change font size in Eclipse for Java text editors?
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tested on Version: Indigo Service Release 2 on 12-12-2012 good answer
– shareef
Jan 11 '13 at 12:01
1
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MySQL - Make an existing Field Unique
...on old_alter_table=1. Don't forget to set it back. mysqlolyk.wordpress.com/2012/02/18/…
– michaelliu
May 11 '13 at 6:39
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