大约有 42,000 项符合查询结果(耗时:0.0436秒) [XML]

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How do I fetch a single model in Backbone?

...e; return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + this.id; }, This approach assumes that you have implemented controllers with the hashbang in your URL like so, http://www.mydomain.com/#clocks/123 , but it should work even if you haven't yet. ...
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Cannot delete or update a parent row: a foreign key constraint fails

...dvertisers` ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`) REFERENCES `jobs` (`advertiser_id`); ...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertisers. So you need to use: ALTER T...
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Wildcards in jQuery selectors

I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work.. ...
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MySQL Cannot Add Foreign Key Constraint

...the parent column exactly. For example, since medicalhistory.MedicalHistoryID is an INT, Patient.MedicalHistory also needs to be an INT, not a SMALLINT. Also, you should run the query set foreign_key_checks=0 before running the DDL so you can create the tables in an arbitrary order rather than need...
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What is the difference between partitioning and bucketing a table in Hive ?

...xample, suppose a table using date as the top-level partition and employee_id as the second-level partition leads to too many small partitions. Instead, if we bucket the employee table and use employee_id as the bucketing column, the value of this column will be hashed by a user-defined number into ...
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Get the _id of inserted document in Mongo database in NodeJS

...ction.insert that will return the doc or docs inserted, which should have _ids. Try: collection.insert(objectToInsert, function(err,docsInserted){ console.log(docsInserted); }); and check the console to see what I mean. ...
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@RequestParam in Spring MVC handling optional parameters

...name and password request parameters as well. That's because, when you provide just the logout parameter, it actually expects for name and password as well as they are still mandatory. It worked when you just gave name and password because logout wasn't a mandatory parameter thanks to required = fa...
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How do PHP sessions work? (not “how are they used?”)

...re usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work. ...
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List of all index & index columns in SQL Server DB

...for: SELECT TableName = t.name, IndexName = ind.name, IndexId = ind.index_id, ColumnId = ic.index_column_id, ColumnName = col.name, ind.*, ic.*, col.* FROM sys.indexes ind INNER JOIN sys.index_columns ic ON ind.object_id = ic.object_id and ind....
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How to query SOLR for empty fields?

... Try this: ?q=-id:["" TO *] share | improve this answer | follow | ...