大约有 48,000 项符合查询结果（耗时：0.0254秒） [XML]
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
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It looks like your XML document has the root element "Group" instead of "group". You can:
Change the root element on your XML to be "group"
Add the annotation @XmlRootElement(name="Group") to the Group classs.
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Bootstrap full-width text-input within inline-form
...screen-sm-min) {
// Inline-block all the things for "inline"
.form-group {
display: inline-block;
margin-bottom: 0;
vertical-align: middle;
}
// In navbar-form, allow folks to *not* use `.form-group`
.form-control {
display: inline-block;
width: aut...
Finding duplicate values in MySQL
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Do a SELECT with a GROUP BY clause. Let's say name is the column you want to find duplicates in:
SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;
This will return a result with the name value in the first column, and a count...
What does ON [PRIMARY] mean?
...n you create a database in Microsoft SQL Server you can have multiple file groups, where storage is created in multiple places, directories or disks. Each file group can be named. The PRIMARY file group is the default one, which is always created, and so the SQL you've given creates your table ON th...
Mean per group in a data.frame [duplicate]
I have a data.frame and I need to calculate the mean per group (i.e. per Month , below).
8 Answers
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Form inline inside a form horizontal in twitter bootstrap?
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<form class="form-horizontal" role="form">
<div class="form-group">
<label for="inputType" class="col-md-2 control-label">Type</label>
<div class="col-md-3">
<input type="text" class="form-control" id="inputType" placeholder="Type">
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Group by in LINQ
...utely - you basically want:
var results = from p in persons
group p.car by p.PersonId into g
select new { PersonId = g.Key, Cars = g.ToList() };
Or as a non-query expression:
var results = persons.GroupBy(
p => p.PersonId,
p => p.car,
(key, g) =>...
MySQL - Using COUNT(*) in the WHERE clause
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try this;
select gid
from `gd`
group by gid
having count(*) > 10
order by lastupdated desc
share
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In SQL, how can you “group by” in ranges?
...ween 10 and 19 then '10-19'
else '20-99' end as range
from scores) t
group by t.range
or
select t.range as [score range], count(*) as [number of occurrences]
from (
select user_id,
case when score >= 0 and score< 10 then '0-9'
when score >= 10 and score< 20...
How to make a query with group_concat in sql server [duplicate]
I know that in sql server we cannot use Group_concat function but here is one issue i have in which i need to Group_Concat my query.I google it found some logic but not able to correct it.My sql query is
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