大约有 6,100 项符合查询结果（耗时：0.0199秒） [XML]
Spring JPA @Query with LIKE
...findUsersWithPartOfName(@Param("username") String username);
Notice: The table name in JPQL must start with a capital letter.
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...
(SELECT a,b,c, ROW_NUMBER() OVER (ORDER BY ...) as row_number
FROM Table) t0
WHERE to.row_number BETWEEN 1000 and 1100;
This works, but the need to manufacture the row_number from the ORDER BY may result in your query being sorted on the server side and cause performance problems. Even ...
Formatting a number with exactly two decimals in JavaScript
...");
test(10.8034, 2);
test(10.8, 2);
test(1.005, 2);
test(1.0005, 2);
table {
border-collapse: collapse;
}
table, td, th {
border: 1px solid #ddd;
}
td, th {
padding: 4px;
}
th {
font-weight: normal;
font-family: sans-serif;
}
td {
font-family: monospace;
}
<table...
Get second child using jQuery
...As in $(t).find('td').eq(1) to get the second <td>, if t was, say, a table and I needed to look down more than 1 node?
– Justin L.
Sep 8 '16 at 1:05
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Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...
Syntax of for-loop in SQL Server
...teger in their work (iterating from row to row or result to result in temp tables) and may be thrown off if the increment happens at the beginning of the cycle rather than the end.
– CSS
Feb 3 '16 at 15:22
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Count the occurrences of DISTINCT values
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SELECT name,COUNT(*) as count
FROM tablename
GROUP BY name
ORDER BY count DESC;
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Are GUID collisions possible?
...ither unique (for things like version 1 GUIDs), or both unique and unpredictable (for things like version 4 GUIDs). SQL Server's implementation for their NEWID() function appears to use a 128-bit random number, so you're not going to get a collision.
For a 1% chance of collision, you'd need to gen...
Check for column name in a SqlDataReader object
...elp anyone setting their debugger to break on exceptions thrown.
GetSchemaTable() is also another suggestion in many answers. This would not be a preffered way of checking for a field's existance as it is not implemented in all versions (it's abstract and throws NotSupportedException in some versio...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...nto the current blub architecture, use a graph database, or CouchDB, or BigTable, or whatever fits your app and you think is cool. It might give you an advantage, and its fun to try new things.
Whatever you chose, try not to build the database engine yourself unless you really like building databas...