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Difference between “change” and “input” event for an `input` element
Can someone tell me what the difference between the change and input events is?
4 Answers
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What's the difference between identifying and non-identifying relationships?
...relationship is when the primary key attributes of the parent must not become primary key attributes of the child. A good example of this is a lookup table, such as a foreign key on Person.state referencing the primary key of States.state. Person is a child table with respect to States. But a row...
PHP foreach change original array values
I am very new in multi dimensional arrays, and this is bugging me big time.
5 Answers
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Eager load polymorphic
...ncludes(:shop).where(shops: {shop_type: 'cafe'})
Notice that the table name is shops and not reviewable. There should not be a table called reviewable in the database.
I believe this to be easier and more flexible than explicitly defining the join between Review and Shop since it allows you to e...
How to change webservice url endpoint?
...T_ADDRESS_PROPERTY property value of the BindingProvider (every proxy implements javax.xml.ws.BindingProvider interface):
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EchoService service = new EchoService();
Echo port = service.getEchoPort();
/* Set NEW Endpoint Location */
String endpointURL = "http://NEW_ENDPOINT_URL";
BindingProvider ...
How to perform OR condition in django queryset?
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from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))
via Documentation
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Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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What does FrameLayout do?
...g. I was using Graphical Layout then when I was reading xml file, I saw FrameLayout. Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
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Need for predictable random generator
I'm a web-game developer and I got a problem with random numbers. Let's say that a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none i...
Getting the last element of a list
In Python, how do you get the last element of a list?
12 Answers
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