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MYSQL Dump only certain rows
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143
Just fix your --where option. It should be a valid SQL WHERE clause, like:
--where="date_pull...
Group by with multiple columns using lambda
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edited Nov 25 '14 at 14:41
answered Aug 4 '11 at 2:11
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Using CMake with GNU Make: How can I see the exact commands?
... malat
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answered Apr 20 '10 at 7:33
richqrichq
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How can I generate UUID in C#
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answered Dec 12 '11 at 16:45
TudorTudor
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keep rsync from removing unfinished source files
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4 Answers
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Active
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duplicate MIME type “text/html”?
....a. charset_types
– wmamrak
Feb 3 '14 at 13:05
That link is broken, new link: nginx.org/en/docs/http/ngx_http_gzip_mod...
How do I create a list of random numbers without duplicates?
... = f1.readlines()
for i in range(50):
lines = random.sample(all_lines, 40)
This way, you only need to actually read from the file once, before your loop. It's much more efficient to do this than to seek back to the start of the file and call f1.readlines() again for each loop iteration.
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... out .println(" 耗费时间： " + (t2 - t1) + " ms ");
耗费时间： 4266 ms
大跌眼镜，居然计算耗费4秒。假设我们一天需要比较100w次，光是比较100w次的数据是否重复就需要4s，就算4s一个文档，单线程一分钟才处理15个文档，一个小时才900...
Default visibility of class methods in PHP
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answered Feb 8 '10 at 19:49
Jansen PriceJansen Price
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Docker EXPOSE a port only to Host
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145
Sure, just bind it to localhost, like this:
docker run -p 127.0.0.1:27017:27017
Also: You...