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How to delete duplicates on a MySQL table?
I need to DELETE duplicated rows for specified sid on a MySQL table.
25 Answers
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
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In JdbcTemplate , queryForInt, queryForLong, queryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the ...
Spring MVC: Complex object as GET @RequestParam
...uppose i have a page that lists the objects on a table and i need to put a form to filter the table. The filter is sent as an Ajax GET to an URL like that: http://foo.com/system/controller/action?page=1&prop1=x&prop2=y&prop3=z
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Execute Insert command and return inserted Id in Sql
...ce of id you can write your key that you want to return. do it like this
FOR SQL SERVER 2005 and above
using(SqlCommand cmd=new SqlCommand("INSERT INTO Mem_Basic(Mem_Na,Mem_Occ) output INSERTED.ID VALUES(@na,@occ)",con))
{
cmd.Parameters.AddWithValue("@na", Mem_NA);
cmd.Pa...
How can I change CSS display none or block property using jQuery?
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@GenericTypeTea: #id used for ids what about if I want to use class?
– AabinGunz
Aug 23 '11 at 12:43
29
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Get the last inserted row ID (with SQL statement) [duplicate]
...port.microsoft.com/kb/2019779 - the fix was first made available last week for 2008 R2 SP1 CU5. In all earlier versions, the workarounds are to set maxdop to 1, keep a fixed plan that happens to not use parallelism (I have not tested this), or use the output clause.
– Aaron Ber...
Dynamically adding a form to a Django formset with Ajax
I want to automatically add new forms to a Django formset using Ajax, so that when the user clicks an "add" button it runs JavaScript that adds a new form (which is part of the formset) to the page.
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JPA: unidirectional many-to-one and cascading delete
...elation from the parent to the child (not just the opposite).
You'll therefore need to do this:
Either, change the unidirectional @ManyToOne relationship to a bi-directional @ManyToOne, or a unidirectional @OneToMany. You can then cascade REMOVE operations so that EntityManager.remove will remove...
SQL Server add auto increment primary key to existing table
...explicitly specify the seed and increment in your SQL scripts - especially for a larger site. It's just good practice.
– marc_s
Oct 28 '15 at 13:59
1
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Can I query MongoDB ObjectId by date?
...Id = ObjectID.createFromTime(timestamp / 1000);
Alternatively, to search for records before the current time, you can simply do:
var objectId = new ObjectID(); // or ObjectId in the mongo shell
Source: http://mongodb.github.io/node-mongodb-native/api-bson-generated/objectid.html
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