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Create Django model or update if exists
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If you're looking for "update if exists else create" use case, please refer to @Zags excellent answer
Django already has a get_or_create, https://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
id =...
How to run two jQuery animations simultaneously?
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Thanks for this, didn't know about that queue variable!
– dotty
Jul 1 '11 at 11:03
4
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Populating spinner directly in the layout xml
...interface callback
}
});
// Inflate the layout for this fragment
return v;
}
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Alter column, add default constraint
... table TableName
add constraint df_ConstraintNAme
default getutcdate() for [Date]
example
create table bla (id int)
alter table bla add constraint dt_bla default 1 for id
insert bla default values
select * from bla
also make sure you name the default constraint..it will be a pain in th...
How to check if a column exists in a SQL Server table?
... arguments to COL_LENGTH need to be unquoted. It is theoretically possible for someone to create a column that does actually have a name of [COLUMN_NAME] - e.g. CREATE TABLE #T([[COLUMN_NAME]]] INT); SELECT * FROM #T and then it would be ambiguous if this was not the rule.
– Ma...
Encoding Javascript Object to Json string
...k.data.text = 'tweet text';
// Will create the JSON string you're looking for.
var json = JSON.stringify(new_tweets);
You can also do it all at once:
var new_tweets = {
k: {
tweet_id: 98745521,
user_id: 54875,
data: {
in_reply_to_screen_name: 'other_user',
text: 'tweet_...
Best practice for embedding arbitrary JSON in the DOM?
...ta blocks (as opposed to scripts), the data
must be embedded inline, the format of the data must be given using
the type attribute, the src attribute must not be specified, and the
contents of the script element must conform to the requirements
defined for the format used."
Read here: http...
Which method performs better: .Any() vs .Count() > 0?
...e GetEnumerator()/MoveNext()/Dispose() sequence required by Any() to check for a non-empty IEnumerable<T> sequence.
For just IEnumerable<T>, then Any() will generally be quicker, as it only has to look at one iteration. However, note that the LINQ-to-Objects implementation of Count() do...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
...out ignoring the getters/setters during serialization. See my answer below for details.
– Kurt Bourbaki
Feb 5 '14 at 12:00
1
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Click outside menu to close in jquery
... is that objects which already have a click listener which stopPropagation for other reasons have no effect. I understand why it is so, but it's still a limitation of this solution.
– DanH
May 14 '13 at 2:58
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