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What is an .inc and why use it?
...not configured to parse .inc files as php, so if the file sits in your web root and your server is configured in the default way, a user could view your php source code in the .inc file by visiting the URL directly.
Its only possible advantage is that it is easy to identify which files are used as ...
Why is std::map implemented as a red-black tree?
...f a new leaf, updating the ancestors of that leaf has to be done up to the root, or up to a point where the two subtrees are of equal depth. The probability of having to update k nodes is 1/3^k. Rebalancing is O(1). Removing an element may imply more than one rebalancing (up to half the depth of the...
How to use PyCharm to debug Scrapy projects
...rfect. make sure the working directory is pointing to your scrapy project root where scrapy.cfg is located.
– Nour Wolf
Jan 18 '15 at 2:31
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从网购到火车票，对比淘宝12306网为何如此烂？ - 大数据 & AI - 清泛网 - ...
...15TB日志，访问1931亿次内存数据块，13亿个物理读，核心MySQL集群一天支持了20亿个事务。
淘宝的技术人员以实际行动让网民折服，虽然在淘宝双十一活动刚开始的10分钟内的访问高峰期内，购物车和支付宝都出现了打不开的情况...
Get absolute path of initially run script
...script str_replace( basename(__FILE__) , '',str_replace($_SERVER["DOCUMENT_ROOT"],'',str_replace('\\','/',__FILE__ ) ) ) === /folder1/folder2/
– Salem
Jul 3 '16 at 3:36
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When should I use Memcache instead of Memcached?
...+ front end web servers) and 20+ back end database servers and replicants (mysql & mssql mix), a farm of memcached servers (12 servers in group) supports multiple high volume OLTP applications answering 25K ~ 40K mc->get calls per-second. These calls are those that do NOT have to reach a dat...
How to get script of SQL Server data? [duplicate]
I'm looking for a way to do something analogous to the MySQL dump from SQL Server. I need to be able to pick the tables and export the schema and the data (or I can export the schema via SQL Server Management Studio and export the data separately somehow).
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What are DDL and DML?
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More information see here: MySQL What is DDL, DML and DCL?, the original is as follows:
DDL
DDL is short name of Data Definition Language, which deals with
database schemas and descriptions, of how the data should reside in
the database.
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Is there an ignore command for git like there is for svn?
...and. For example if you want to ignore all .svn folders, run this from the root of the project:
echo .svn/ >> .gitignore
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Can we pass parameters to a view in SQL?
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In MySQL you write a stored procedure and have the last statement in the procedure be the resultset you want returned.
– bobobobo
Jun 6 '13 at 19:23
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