大约有 45,000 项符合查询结果（耗时：0.0547秒） [XML]
Access “this” from Java anonymous class
...
Container.this.select();
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How to add custom method to Spring Data JPA
... public List<MyEntity> doSomeHql(Long id) {
String hql = "SELECT eFROM MyEntity e WHERE e.id = :id";
TypedQuery<MyEntity> query = entityManager.createQuery(hql, MyEntity.class);
query.setParameter("id", id);
return query.getResultList();
}
@Sup...
Conversion failed when converting date and/or time from character string while inserting datetime
...s the recommend date/time data types for SQL Server 2008 or newer anyway.
SELECT
CAST('02-21-2012 6:10:00 PM' AS DATETIME2), -- works just fine
CAST('01-01-2012 12:00:00 AM' AS DATETIME2) -- works just fine
Don't ask me why this whole topic is so tricky and somewhat confusing - that...
Split a collection into `n` parts with LINQ?
... group item by i++ % parts into part
select part.AsEnumerable();
return splits;
}
}
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Getting output of system() calls in Ruby
...ble like so:
output = `ls`
p output
or
printf output # escapes newline chars
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How to select the rows with maximum values in each group with dplyr? [duplicate]
I would like to select a row with maximum value in each group with dplyr.
6 Answers
6
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c# datatable to csv
...s = dt.Columns.Cast<DataColumn>().
Select(column => column.ColumnName).
ToArray();
sb.AppendLine(string.Join(",", columnNames));
foreach (DataRow row in dt.Rows)
{
string[] fields = row.ItemArray.Select(field => fie...
How do I create a new GitHub repo from a branch in an existing repo?
... that by using this method, I could create the new repo with a hand-picked selection of branches, renamed as I wanted:
$ git push git@github.com:accountname/new_repo +new-project:master +site3a:rails3
The result is that the pre-existing site3a branch is now also moved to the new repo and will appe...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...use that's the correct way to do it (even though . is the only regexp meta char valid in a DNS name, preg_quote() describes the intended operation better)
– DaveRandom
Jul 20 '15 at 0:13
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SQL Server: Get data for only the past year
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The following adds -1 years to the current date:
SELECT ... From ... WHERE date > DATEADD(year,-1,GETDATE())
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