大约有 47,000 项符合查询结果（耗时：0.0664秒） [XML]
Creating a comma separated list from IList or IEnumerable
...var PurchaseBooks = AmazonContainer.Where(p => p.Author == "Jon Skeet").Select();
– Zachary Scott
Oct 31 '10 at 16:26
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Logcat not displaying my log calls
...DDMS perspective, make sure the correct device (propably emulator-xxxx) is selected and highlighted. Only then will you get the logcat output in the logcat view.
Also, the Android plugin is a bit quircky, and sometimes only shows the last line in the logcat view. If this happens, try to clear the l...
Explicitly select items from a list or tuple
...lution.I don't think it's a bad idea to invoke magic variable. programmer selects their preferred way based on programming circumstances.
– Jacob CUI
Mar 25 '15 at 22:57
add ...
How can I group by date time column without taking time into consideration
...S DATE)' . don't forget to add the same( CAST(date_modified AS DATE) ) in select cluase.
– Mohammed mansoor
Apr 12 '16 at 6:57
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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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How to delete a workspace in Perforce (using p4v)?
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From the "View" menu, select "Workspaces". You'll see all of the workspaces you've created. Select the workspaces you want to delete and click "Edit" -> "Delete Workspace", or right-click and select "Delete Workspace". If the workspace is "lock...
Get a list of checked checkboxes in a div using jQuery
I want to get a list of names of checkboxes that are selected in a div with certain id. How would I do that using jQuery?
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Programmatically scroll to a specific position in an Android ListView
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For a direct scroll:
getListView().setSelection(21);
For a smooth scroll:
getListView().smoothScrollToPosition(21);
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ng-model for `` (with directive DEMO)
...cope.fileread = changeEvent.target.files[0];
// or all selected files:
// scope.fileread = changeEvent.target.files;
});
});
}
}
}]);
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How to get database structure in MySQL via query
...CHEMA.TABLES table. It contains metadata about all your tables.
Example:
SELECT * FROM `INFORMATION_SCHEMA`.`TABLES`
WHERE TABLE_NAME LIKE 'table1'
The advantage of this over other methods is that you can easily use queries like the one above as subqueries in your other queries.
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