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How do I get the different parts of a Flask request's url?

...ibutes would be the following: path /page.html script_root /myapplication base_url http://www.example.com/myapplication/page.html url http://www.example.com/myapplication/page.html?x=y url_root http://www.example.com/myapplication/ ...
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How do I do a bulk insert in mySQL using node.js

How would one do a bulk insert into mySQL if using something like https://github.com/felixge/node-mysql 12 Answers ...
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When to use Hadoop, HBase, Hive and Pig?

...ru some SQL like language To replace daily aggregation data generated thru MySQL with Hive Build Custom reports thru queries in Hive Architecture Options I benchmarked the following options: Hive+HDFS Hive+HBase - queries were too slow so I dumped this option Design Daily log Files were tr...
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MySQL error: key specification without a key length

... The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINY...
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Django-Admin: CharField as TextArea

...form = BookForm admin.site.register(Book, BookAdmin) If you are using a MySQL DB, your column length will usually be autoset to 250 characters, so you will want to run an ALTER TABLE to change the length in you MySQL DB, so that you can take advantage of the new larger Textarea that you have in y...
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Can you do a partial checkout with Subversion?

...iven a list of paths in an SVN repository, it will: 1. Checkout the common root directory 2. Update with depth=empty for intermediate directories 3. Update with depth=infinity for the leaf directories ''' import os import getpass import pysvn __author__ = "Karl Ostmo" __date__ = "July 13, 2011" #...
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?

I knew boolean in mysql as tinyint (1) . 4 Answers 4 ...
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”

... but the values you insert don't map to a partition. If you use REPLACE, MySQL actually does a DELETE followed by an INSERT internally, which has some unexpected side effects: A new auto-increment ID is allocated. Dependent rows with foreign keys may be deleted (if you use cascading foreign ke...
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的开发中,还是帮助测试ros的关键部分——你都需要了解如何生成重要的调试日志。 对于开发者来说,如果想准确地找出和判断ros的运行状态,调试信息是非常重要的。从操作系统得到默认的调试输出很容易,但是这些输出对...
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Cast int to varchar

... @JonathanSayce I'm not overly familiar with the ins & outs of MySQL and it might not use something arbitrary, but I wouldn't rely on the MySQL engine to be that smart (no offense to MySQL). In order to be sure you get the proper length, I would always explicitly provide one. ...