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Convert Django Model object to dict with all of the fields intact
... is strictly worse than the standard model_to_dict invocation.
4. query_set.values()
SomeModel.objects.filter(id=instance.id).values()[0]
which returns
{'auto_now_add': datetime.datetime(2018, 12, 20, 21, 34, 29, 494827, tzinfo=<UTC>),
'foreign_key_id': 2,
'id': 1,
'normal_value': 1,...
Reverse / invert a dictionary mapping
...for inverse in the case of non unique values. Every value is mapped to the set of keys leading to it.
– Leo
Oct 25 '16 at 19:08
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AngularJS - Trigger when radio button is selected
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That only works for clicks. What if the uses sets a radio button using the keyboard?
– rodrigo-silveira
Aug 25 '14 at 13:37
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Check if all values of array are equal
...NaN === NaN and NaN !== NaN are false, it guarantees that once the prev is set to NaN then no value can take it out. Also adding in a double negation converts the results to true and false, since NaN is falsy. Final form: !!array.reduce(function(a, b){ return (a === b) ? a : NaN; });
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Why isn't my JavaScript working in JSFiddle?
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If you do not specify the wrap setting it defaults to "onLoad". This results with all JavaScript being wrapped in a function run after result has been loaded. All variables are local to this function thus unavailable in the global scope.
Change the wrappi...
How to clone all remote branches in Git?
...ally by:
$ git checkout experimental
and you will see
Branch experimental set up to track remote branch experimental from origin.
Switched to a new branch 'experimental'
That last line throws some people: "New branch" - huh?
What it really means is that the branch is taken from the index and creat...
How to read if a checkbox is checked in PHP?
...value="value1">
After submitting the form you can check it with:
isset($_POST['test'])
or
if ($_POST['test'] == 'value1') ...
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Duplicating a MySQL table, indices, and data
...(tbl_name varchar(255))
BEGIN
-- DROP TABLE IF EXISTS GLS_DEVICES_OLD;
SET @query = concat('DROP TABLE IF EXISTS ',tbl_name,'_OLD');
PREPARE stmt FROM @query;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
-- CREATE TABLE GLS_DEVICES_NEW LIKE GLS_DEVICES;
SET @query = concat('CREATE TABLE ',t...
Unwanted padding around an ImageView
...iewBounds="true" />
the adjustViewbounds attribute did the trick:
Set this to true if you want the ImageView to adjust its bounds to preserve the aspect ratio of its drawable.
i stumbled upon it here. thanks for your help!
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What is the difference between association, aggregation and composition?
What is the difference between association, aggregation, and composition?
Please explain in terms of implementation.
19 An...