I\'m working on a project for which I want to build a tag cloud by reading a Lucene index and pruning it down. I didn\'t set up the L开发者_如何学运维ucene engine, it was someone else in the team, now
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I am about to write a script to add new indexes to a database, I wish that script to work regardless of the current indexes the database has.
Bunch of Inserts (transaction) is quicker than each insert separately, i think so, maybe not, tell me who check, is there a difference, maybe if many indexes on开发者_如何转开发 a table.As far as I kn
I\'ve a list of empty divs and dynamically inserting a background image – so at first, their background-image: url(); property is completely empty. With some event, it\'s background-image url loads i
Consider the following search results: Google for \'David\' - 591 millions hits in 0.28 sec Google for \'John\' - 785 millions hits in 0.18 sec
I know almost nothing about cryptography, but I would like to figure out how to encrypt an HTTP live stream and decrypt it on an iphone.
I\'m considering apply an index of 3 fields (type, status, user_id) on a table. The majority of my queries have WHEREs that use all 3. However, I have a couple of heavily used queries which only use 2
Seeing as a foreign key does not automatically create an index in SQL Server, I want to create an explicit index on every FK field in my database.And I have over 100 tables in the schema...
I have a large database for solving crossword puzzles, consisting of a word and a description. My application allows searching for words of a specific length and characters on specific positions (this
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