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记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...

...主键值。 我们不妨创建一个测试表说明问题: CREATE TABLE IF NOT EXISTS `test` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(100) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB; 然后插入一行问题数据: INSERT INTO test (id, name) VALUES (2147483647...
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How to know when UITableView did scroll to bottom in iPhone

I would like to know when a UITableView did scroll to bottom in order to load and show more content, something like a delegate or something else to let the controller know when the table did scroll to bottom. ...
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Div width 100% minus fixed amount of pixels

How can I achieve the following structure without using tables or JavaScript? The white borders represent edges of divs and aren't relevant to the question. ...
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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.

...he database. If you don't want your entity to be persisted in a separate table, but rather be a part of other entities, you can use @Embeddable instead of @Entity. If you want simply a data transfer object to hold some data from the hibernate entity, use no annotations on it whatsoever - leave it...
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Print only?

... but I had two troubles with it: for one if any of the element's parents established its own relative/absolute positioning the content would still be offset unless I used position:fixed instead. However, Chrome and Safari would also truncate content, especially after the first page. So my final work...
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SQL Server Index Naming Conventions [closed]

...dexes All of my index name take the form of <index or key type>_<table name>_<column 1>_<column 2>_<column n> share | improve this answer | fol...
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]

...ize the lib (at each startup for example). It will automatically create 2 tables (if they don't already exists, one to store all the new or modified elements (table new_elem) and one to store the date of the last sync (table sync_info). It will also create SQLite triggers in order to watch the INSE...
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How do I reset a sequence in Oracle?

...e to call the thing resetting the sequence back to the max ID used in some table. I end up calling this proc from another script which executes multiple calls for a whole bunch of sequences, resetting nextval back down to some level which is high enough to not cause primary key violations where I'm...
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What is the difference between “AS” and “IS” in an Oracle stored procedure?

... as a synonym while creating procedures and packages but not for a cursor, table or view. share | improve this answer | follow | ...
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What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?

.... The ident_current(name) returns the last identity created for a specific table or view in any session. The identity() function is not used to get an identity, it's used to create an identity in a select...into query. The session is the database connection. The scope is the current query or the c...