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Rails: How can I set default values in ActiveRecord?
..., please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15)
Therefore I'd say write an after_initialize callback, which lets you default attributes in addition to letting you set defaults on associations like so:
class Person < ActiveRecord::Base
...
How to encrypt/decrypt data in php?
...INARY.
The output value, like the IV, is binary; to store those values in MySQL, consider using BINARY or VARBINARY columns. If this is not an option, you can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more st...
Multi-statement Table Valued Function vs Inline Table Valued Function
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In researching Matt's comment, I have revised my original statement. He is correct, there will be a difference in performance between an inline table valued function (ITVF) and a multi-statement table valued function (MSTVF) even if they both simply execute a SELECT stat...
onIabPurchaseFinished never called.
I've been trying to set up in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called.
...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragments I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a time. When I try the following:
...
Twitter bootstrap remote modal shows same content every time
...ne can get around this by directly editing the object. For instance:
$('#myModal').data('bs.modal').options.remote = "http://website.com/item/7";
However, that won't work in this case, because...
Second, the Modal plugin is designed to load the remote resource in the constructor of the Modal ob...
How can I get the behavior of GNU's readlink -f on a Mac?
...chasing ".." up to the root of the file system. I'll update the script in my answer accordingly.
– Keith Smith
Jul 14 '09 at 1:52
12
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Can't specify the 'async' modifier on the 'Main' method of a console app
...with the async modifier. I am trying to figure out how to make sure that my Main method of a console application actually runs asynchronously.
...
Django rest framework, use different serializers in the same ModelViewSet
...ction name (key) to serializer class (value),
i.e.:
class MyViewSet(MultiSerializerViewSetMixin, ViewSet):
serializer_class = MyDefaultSerializer
serializer_action_classes = {
'list': MyListSerializer,
'my_action': MyActionSerial...
Why should I care that Java doesn't have reified generics?
...and there are many cases where it would be the best solution:
public void my_method(List<String> input) { ... }
public void my_method(List<Integer> input) { ... }
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