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Image fingerprint to compare similarity of many images
I need to create fingerprints of many images (about 100.000 existing, 1000 new per day, RGB, JPEG, max size 800x800) to compare every image to every other image very fast. I can't use binary compare methods because also images which are nearly similar should be recognized.
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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
...离无线通信，正常运行时传输距离为10m（低功耗模式下为100m），频段2.4Ghz。先进行三个蓝牙术语介绍：
配对:配对是指两个蓝牙设备首次通讯时，相互确认的过程。两个蓝牙设备之间一经配对之后，随后的通讯连接就不必每次...
How to import an excel file in to a MySQL database
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100
There's a simple online tool that can do this called sqlizer.io.
You upload an XLSX file t...
Get the current year in JavaScript
... padding: 5px;
}
button{
width: 150px;
}
span{
margin-left: 100px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul>
<li>
<button type="button" onclick="generate('Date',this)">Get Date</button&...
Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...以将同一封邮件发送给多少个收件人，该参数的缺省值为1000。
4． 推迟投递控制
通过defer_transports参数，我们可以推迟投递该参数指定的邮件直到postfix明确的提出投递要求。下面我们看一个例子：
有一个小型的局域网，用...
LaTeX: Prevent line break in a span of text
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Define myurl command:
\def\myurl{\hfil\penalty 100 \hfilneg \hbox}
I don't want to cause line overflows,
I'd just rather LaTeX insert linebreaks before
\myurl{\tt http://stackoverflow.com/questions/1012799/}
regions rather than inside them.
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Java multiline string
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100
This is an old thread, but a new quite elegant solution (with only 4 maybe 3 little drawbacks)...
How to download HTTP directory with all files and sub-directories as they appear on the online files
...r files you can add --use-pget-n=10 to command
lftp -c 'mirror --parallel=100 https://example.com/files/ ;exit'
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SQL “select where not in subquery” returns no results
...you get a table scan but @patmortech's query is still twice as fast (for a 100K row master table).
If neither are indexed on commonID, you get two table scans and the difference is negligible.
If both are indexed on commonID, the "not exists" query runs in 1/3 the time.
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Getting attributes of a class
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128
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For exampl...