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Python - List of unique dictionaries
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So make a temporary dict with the key being the id. This filters out the duplicates.
The values() of the dict will be the list
In Python2.7
>>> L=[
... {'id':1,'name':'john', 'age':34},
... {'id':1,'name':'john', 'age':34},
... {'id':2,'name':'hanna', 'age':30},...
How to implement Android Pull-to-Refresh
In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content.
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How to change ProgressBar's progress indicator color in Android
...f my apps, so there's prob a few extra attributes, but should give you the idea. This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="fill_parent"
android:layout_heigh...
Best practice for nested fragments in Android 4.0, 4.1 (
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Limitations
So nesting fragments inside another fragment is not possible with xml regardless of which version of FragmentManager you use.
So you have to add fragments via code, this might seem like a problem, but in the long run makes your layouts superflexibl...
When tracing out variables in the console, How to create a new line?
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You should include it inside quotes '\n', See below,
console.log('roleName = '+roleName+ '\n' +
'role_ID = '+role_ID+ '\n' +
'modal_ID = '+modal_ID+ '\n' +
'related = '+related);
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Django ManyToMany filter()
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Just restating what Tomasz said.
There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but us...
Can table columns with a Foreign Key be NULL?
I have a table which has several ID columns to other tables.
7 Answers
7
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How to drop column with constraint?
....default_constraints dc
JOIN sys.columns c
ON c.default_object_id = dc.object_id
WHERE
dc.parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
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Python/postgres/psycopg2: getting ID of row just inserted
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cursor.execute("INSERT INTO .... RETURNING id")
id_of_new_row = cursor.fetchone()[0]
And please do not build SQL strings containing values manually. You can (and should!) pass values separately, making it unnecessary to escape and SQL injection impossible:
sql_stri...
How do I get jQuery to select elements with a . (period) in their ID?
...data);
});
});
});
Also check out How do I select an element by an ID that has characters used in CSS notation? on the jQuery FAQ.
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