大约有 30,000 项符合查询结果（耗时：0.0502秒） [XML]
Showing empty view when ListView is empty
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It should be like this:
<TextView android:id="@android:id/empty"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="No Results" />
Note the id attribute.
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...pose of specifying a default value. The default value is a convenience for calling code, but I think that you should be explicit in your tests. Say you could leave out specifying the bool parameter. What happens if, in future, someone changes the default value of b to true? This will lead to failing...
SQL server query to get the list of columns in a table along with Data types, NOT NULL, and PRIMARY
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To avoid duplicate rows for some columns, use user_type_id instead of system_type_id.
SELECT
c.name 'Column Name',
t.Name 'Data type',
c.max_length 'Max Length',
c.precision ,
c.scale ,
c.is_nullable,
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What does it mean to start a PHP function with an ampersand?
...e return-by-reference
to increase performance. The engine
will automatically optimize this on
its own. Only return references when
you have a valid technical reason to
do so.
See Returning References.
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Unresolved external symbol on static class members
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// because static data initialization will happen on every constructor call.
}
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What are the differences between Helper and Utility classes?
How determine how call a class XHelper or XUtils ?
5 Answers
5
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Using LIMIT within GROUP BY to get N results per group?
...NCAT aggregated function to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
-----------------------------------------------------------
| ID | GROUPED_YEAR ...
Set selected index of an Android RadioGroup
Is there a way to set the selected index of a RadioGroup in android, other than looping through the child radiobuttons and selecting checking the radio button at the selected index?
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Stubbing a class method with Sinon.js
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That's in my answer because the original question specifically asked about it. Given that my answer doesn't suggest it as the correct approach to begin with, I'm not sure what you're asking me to change. .returns(0) already does the same thing as .callFake(() => 0).
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Removing App ID from Developer Connection
How do I remove an App ID from the developer program portal area? I mistakenly added a couple of app id's under the wrong login and would like to remove them, but I am not seeing a way to do so.
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