大约有 18,336 项符合查询结果(耗时:0.0197秒) [XML]

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How should equals and hashcode be implemented when using JPA and Hibernate

... Hibernate has a nice and long description of when / how to override equals() / hashCode() in documentation The gist of it is you only need to worry about it if your entity will be part of a Set or if you're going to be detaching / attaching its instances. The latter is not that common. T...
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Getting the location from an IP address [duplicate]

...good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the database. ...
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How to change the text of a label?

... ASP.Net automatically generates unique client IDs for server-side controls. Change it to $('#<%= lblVessel.ClientID %>') In ASP.Net 4.0, you could also set the ClientIDMode property to Static instead. ...
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How to identify all stored procedures referring a particular table

...ich are refreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assuming that the table name is 'x' and database is sql server 2005. ...
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Caching a jquery ajax response in javascript/browser

...orks with GET and HEAD request. You could roll your own solution as you said with something along these lines : var localCache = { data: {}, remove: function (url) { delete localCache.data[url]; }, exist: function (url) { return localCache.data.hasOwnProperty(url) &...
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Get size of all tables in database

...ceMB FROM sys.tables t INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id INNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id INNER JOIN sys.allocation_units a ON p.partition_id = a.container_id LEFT OUTER JOIN sys.schemas s ON t.sche...
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Get city name using geolocation

...mple got me almost there, but the 'latlng' string no longer seems to be valid in newer apis. See: developers.google.com/maps/documentation/javascript/… for specifics. – binarygiant Mar 4 '13 at 0:20 ...
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Alter MySQL table to add comments on columns

... try: ALTER TABLE `user` CHANGE `id` `id` INT( 11 ) COMMENT 'id of user' share | improve this answer | follow | ...
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How do I center align horizontal menu?

...b/centred-float.htm: The premise is simple and basically just involves a widthless float wrapper that is floated to the left and then shifted off screen to the left width position:relative; left:-50%. Next the nested inner element is reversed and a relative position of +50% is applied. This has the...
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How can I join multiple SQL tables using the IDs?

...ableB.*, TableC.*, TableD.* FROM TableA JOIN TableB ON TableB.aID = TableA.aID JOIN TableC ON TableC.cID = TableB.cID JOIN TableD ON TableD.dID = TableA.dID WHERE DATE(TableC.date)=date(now()) In your example, you are not actually including TableD. All you have...