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Declaration/definition of variables locations in ObjectiveC?
...ther classes too, using the usual square bracket syntax to send messages (call methods):
// OtherClass.m
int v = [myClass myVar]; // assuming myClass is an object of type MyClass.
[myClass setMyVar:v+1];
Because manually declaring and implementing every accessor method was quite annoying, @prop...
List all sequences in a Postgres db 8.1 with SQL
... sequences.
SELECT c.relname FROM pg_class c WHERE c.relkind = 'S';
Typically a sequence is named as ${table}_id_seq. Simple regex pattern matching will give you the table name.
To get last value of a sequence use the following query:
SELECT last_value FROM test_id_seq;
...
jQuery pass more parameters into callback
Is there a way to pass more data into a callback function in jQuery?
14 Answers
14
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How do I set the value property in AngularJS' ng-options?
...
To send a custom value called my_hero to the server using a normal form submit:
JSON:
"heroes": [
{"id":"iron", "label":"Iron Man Rocks!"},
{"id":"super", "label":"Superman Rocks!"}
]
HTML:
<select ng-model="hero" ng-options="obj.id as ...
Django set default form values
...ich is explained here
You have two options either populate the value when calling form constructor:
form = JournalForm(initial={'tank': 123})
or set the value in the form definition:
tank = forms.IntegerField(widget=forms.HiddenInput(), initial=123)
...
Is there a way to iterate over a dictionary?
... what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ?
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What is the best way to add options to a select from a JavaScript object with jQuery?
... I would first of all assign $("#mySelect") to a var, otherwise calling $("#mySelect") every time inside the loop is very wasteful, as is updating the DOM. See points #3 and #6 at artzstudio.com/2009/04/jquery-performance-rules/…
– Patrick
Oct 12 '...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
...couldn't figure out what they changed inside the Activity lifecycle in the call to saveInstance, but I here is how I solved this :
@Override
protected void onSaveInstanceState(Bundle outState) {
//No call for super(). Bug on API Level > 11.
}
I just do not make the call to .super() and eve...
How do you turn a Mongoose document into a plain object?
... finally got it. for the ones who have toObject undefined, make sure to call on document instead of model. i.e. modelName._doc.toObject()
– John
Jun 23 '15 at 16:55
1
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How to execute a JavaScript function when I have its name as a string
...Script as a string. How do I convert that into a function pointer so I can call it later?
34 Answers
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