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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...
...,不妨把这个碎片标记为 T。
他们提出的问题是,如何从这400个碎片中,选取一组碎片,S[k], 通过叠加的办法,合成出一个新的碎片,而这个新的碎片,应当与随机选择的目标碎片 T,尽可能相似,同时,S[k] 的数量尽可...
Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...
...,不妨把这个碎片标记为 T。
他们提出的问题是,如何从这400个碎片中,选取一组碎片,S[k], 通过叠加的办法,合成出一个新的碎片,而这个新的碎片,应当与随机选择的目标碎片 T,尽可能相似,同时,S[k] 的数量尽可...
How do I add more members to my ENUM-type column in MySQL?
The MySQL reference manual does not provide a clearcut example on how to do this.
7 Answers
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How to 'insert if not exists' in MySQL?
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use INSERT IGNORE INTO table
see http://bogdan.org.ua/2007/10/18/mysql-insert-if-not-exists-syntax.html
there's also INSERT … ON DUPLICATE KEY UPDATE syntax, you can find explanations on dev.mysql.com
Post from bogdan.org.ua according to Google's webcache:
18th October 2007
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Linux 进程卡住了怎么办? - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ffffffff>] 0xffffffffffffffff
这时候按 Ctrl+C 也不能退出。
root@localhost:~# ls /jfs
^C
^C^C^C^C^C
但是用 strace 却能唤醒它,并且开始处理之前的中断信号,然后就退出了。
root@localhost:~# strace -p `pgrep ls`
strace: Process 26469 attached
--- SI...
Saving timestamp in mysql table using php
I have a field in a MySQL table which has a timestamp data type. I am saving data into that table. But when I pass the timestamp ( 1299762201428 ) to the record, it automatically saves the value 0000-00-00 00:00:00 into that table.
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Sqlite or MySql? How to decide? [closed]
...buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that MySQL is not the only choice and there are plenty of others which might be better for new applications (for example pgSQL).
Sqlite is a very, very nice piece of software, bu...
Get Insert Statement for existing row in MySQL
Using MySQL I can run the query:
15 Answers
15
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项目管理实践【六】自动同步数据库【Using Visual Studio with Source Cont...
...项目管理实践【五】自动编译和发布网站中,我们讲解了如何使用MSBuild+Robocopy+WebDeployment来自动编译和部署网站,今天,我们来 在上一篇项目管理实践【五】自动编译和发布网站中,我们讲解了如何使用MSBuild+Robocopy+WebDeployment...
MySQL select 10 random rows from 600K rows fast
...imple, to gaps, to non-uniform with gaps.
http://jan.kneschke.de/projects/mysql/order-by-rand/
For most general case, here is how you do it:
SELECT name
FROM random AS r1 JOIN
(SELECT CEIL(RAND() *
(SELECT MAX(id)
FROM random)) AS id)
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