The list.index(x) function returns the index in the list of the first item whose value is x. Is there a function, list_func_index(), similar to the index() function that has a function, f(), as a par
It\'s well known fact that hibernate work with indexes in a very strange way. It generate them only if you create a database schema from the scratch. But if you try to update the database schema hiber
I\'m creating custom forum software for a site I\'m building, which includes 2 tables (that are relevant to this question): topics and posts.A post belongs to a topic, and the topic contains the subje
I\'m trying to optimize my PostgreSQL 8.3 DB tables to the best of my ability, and I\'m unsure if I need to use varchar_pattern_ops for certain columns where I\'m performing a LIKE against the first N
MySQL table with couple of fields: id - PRIMARY KEY url - CHAR(255). url field is also unique and indexed. Currently have couple of hundreds of thousands entries in that table. MySQL gets really
I understand that indexes should get updated automatically but when that does not happen we need to reindex.
H开发者_运维百科ere is what I have in mind: 1) Create a service that will run every hour or so and search for twits using a specific criteria
I am looking to write a static analyser for a university class. To provide more power for the tool I would like to be able to look up the call hierarchy (as Ctrl+Alt+H does in Eclipse).开发者_运维百科
Ok, been scratching my head on this one for a bit now... seems related to this ol\' chestnut Here\'s my problem:
So I was reading up on indexes and their implementation, and I stumbled upon this website that has a brief explanation of b-tree indexes:
加载中,请稍侯......