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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
Possible to perform cross-database queries with PostgreSQL?
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If you're coming from a MySQL environment, what MySQL calls databases are really schemas (CREATE SCHEMA == CREATE DATABASE in MySQL), so if you porting something from MySQL using multiple databases, use schemas
– MkV
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How can I use mySQL replace() to replace strings in multiple records?
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Are there any easy and safe tools to create mysql stored procedure?
– Ivan Slaughter
May 1 '17 at 18:28
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Run MySQLDump without Locking Tables
...ion, because it does not need to lock the tables at
all.
For innodb DB:
mysqldump --single-transaction=TRUE -u username -p DB
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创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
创业公司如何实施敏捷开发说起敏捷开发，并不是因为敏捷而敏捷。这几年的敏捷开发已经被很多敏捷咨询服务商神话了，这个东西并不是神器，实施了就可以解决所有软件公...说起敏捷开发，并不是因为敏捷而敏捷。这几年的...
Best way to do multi-row insert in Oracle?
...rform multi-row inserts into an Oracle 9 database. The following works in MySQL but doesn't seem to be supported in Oracle.
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MySQL: Transactions vs Locking Tables
....org/wiki/ACID, en.wikipedia.org/wiki/Isolation_(database_systems) and dev.mysql.com/doc/refman/5.1/en/…
– Nikola Svitlica
Sep 6 '15 at 21:52
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融资千万美元后的足记要如何应对“爆款后遗症”？ - 资讯 - 清泛网 - 专注C...
融资千万美元后的足记要如何应对“爆款后遗症”？“爆红”近半年后，足记的办公室仍然设在上海愚园东路的上海创客中心这个众创空间里。两间不起眼的办公室塞得满满当当。门口摆放的一个巨大的泡沫字“足记Fotoplace” ...
.htaccess not working apache
... EC2 service running on Linux ubuntu and I have installed apache, php, and mysql.
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UPDATE multiple tables in MySQL using LEFT JOIN
...plete orders: performance of LEFT JOIN compared to NOT IN
Unfortunately, MySQL does not allow using the target table in a subquery in an UPDATE statement, that's why you'll need to stick to less efficient LEFT JOIN syntax.
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