大约有 18,335 项符合查询结果(耗时:0.0323秒) [XML]
How to pull a random record using Django's ORM?
...anager):
def random(self):
count = self.aggregate(count=Count('id'))['count']
random_index = randint(0, count - 1)
return self.all()[random_index]
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Update multiple rows in same query using PostgreSQL
... as c(column_b, column_a, column_c)
where c.column_b = t.column_b;
sql fiddle demo
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android get all contacts
How can I get all the names of the contacts in my Android and put them into array of strings?
8 Answers
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Get attribute name value of
...
Give your input an ID and use the attr method:
var name = $("#id").attr("name");
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Gridview with two columns and auto resized images
I'm trying to make a gridview with two columns. I mean two photos per row side by side just like this image.
2 Answers
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How to use z-index in svg elements?
...="100" cy="105" r="20"/>
</svg>
Here the fork of your jsFiddle.
Solution (alternative)
The tag use with the attribute xlink:href and as value the id of the element. Keep in mind that might not be the best solution even if the result seems fine. Having a bit of time, here the link...
Ways to save Backbone.js model data?
...erb you use. For example:
// The URI pattern
http://localhost:8888/donut/:id
// My URI call
http://localhost:8888/donut/17
If I make a GET to that URI, it would get donut model with an ID of 17. The :id depends on how you are saving it server side. This could just be the ID of your donut resourc...
SQL WHERE.. IN clause multiple columns
...o this derived table:
select * from table1 LEFT JOIN
(
Select CM_PLAN_ID, Individual_ID
From CRM_VCM_CURRENT_LEAD_STATUS
Where Lead_Key = :_Lead_Key
) table2
ON
table1.CM_PLAN_ID=table2.CM_PLAN_ID
AND table1.Individual=table2.Individual
WHERE table2.CM_PLAN_ID IS NOT NULL
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Select distinct using linq [duplicate]
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myList.GroupBy(test => test.id)
.Select(grp => grp.First());
Edit: as getting this IEnumerable<> into a List<> seems to be a mystery to many people, you can simply write:
var result = myList.GroupBy(test => test.id)
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Can I concatenate multiple MySQL rows into one field?
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You can use GROUP_CONCAT:
SELECT person_id, GROUP_CONCAT(hobbies SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates:
SELECT person_id, GROUP_CONCAT(DISTINCT hobbies SEPARA...