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How to get Spinner value?
In Android, I am trying to get the selected Spinner value with a listener.
7 Answers
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How do you query for “is not null” in Mongo?
...ue. This includes documents that do not contain the field.
So in your provided case following query going to return all the documents with imageurl field exists and having not null value:
db.mycollection.find({ 'imageurl' : { $exists: true, $ne: null } });
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Why use the INCLUDE clause when creating an index?
...rting etc as I mentioned above. However, it may be useful if you have a residual lookup in a few rows from the key column(s)
Another MSDN article with a worked example
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How to update a menu item shown in the ActionBar?
...nuItems to the Menu. I have one MenuItem that I've set the attribute android:showAsAction to have it show as a button on the ActionBar. Which works fine.
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
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Solution: just go to http://www.microsoft.com/en-us/download/details.aspx?id=42295 and download:
ENU\x64\SharedManagementObjects.msi for X64 OS or
ENU\x86\SharedManagementObjects.msi for X86 OS,
then install it, and restart visual studio.
PS: You may need install DB2OLEDBV5_x64.msi or DB2OL...
Git command to display HEAD commit id?
What command can I use to print out the commit id of HEAD?
9 Answers
9
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WHERE vs HAVING
...level aliases in GROUP BY, ORDER BY and HAVING.
And are there any downsides instead of doing "WHERE 1" (writing the whole definition instead of a column name)
If your calculated expression does not contain any aggregates, putting it into the WHERE clause will most probably be more efficient.
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How can I disable a button on a jQuery UI dialog?
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If you're including the .button() plugin/widget that jQuery UI contains (if you have the full library and are on 1.8+, you have it), you can use it to disable the button and update the state visually, like this:
$(".ui-dialog-buttonpane button:contains('Confirm')")....
how to check redis instance version?
... is that sometimes you don't have access to the server (e.g. when it's provided to you on the cloud), in which case INFO is your only option.
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jsonify a SQLAlchemy result set in Flask [duplicate]
...n object data in easily serializable format"""
return {
'id' : self.id,
'modified_at': dump_datetime(self.modified_at),
# This is an example how to deal with Many2Many relations
'many2many' : self.serialize_many2many
}
@property
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