大约有 19,000 项符合查询结果（耗时：0.0313秒） [XML]
Correct use of Multimapping in Dapper
... what object. And you can easily expand this. Need address and country information?
select
p.*,
c.CustomerID AS Id,
c.*,
address.AddressID AS Id,
address.*,
country.CountryID AS Id,
country.*
Best of all, you're clearly showing in a minimal amount of sql which columns are associated with whi...
Rails: how do I validate that something is a boolean?
...
Shorter form validates :field, inclusion: [true, false]
– barelyknown
Jun 29 '13 at 13:33
9
...
When and why should I use fragments in Android applications? [duplicate]
...
So, using fragments for a search form which is visible in more than one activities is recommended?
– Muatik
Aug 15 '14 at 8:35
...
RabbitMQ message size and types
...d a reference to a file or DB.
You might also want to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will m...
How to add items to a spinner in Android?
...
XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
...
Using vagrant to run virtual machines with desktop environment
...
Here's Air's excellent answer in the form of a Vagrantfile
Vagrant.configure(2) do |config|
# Ubuntu 15.10
config.vm.box = "ubuntu/wily64"
config.vm.provider "virtualbox" do |vb|
# Display the VirtualBox GUI when booting the machine
vb.gui = true...
Unresolved specs during Gem::Specification.reset:
...
answered Jan 7 '15 at 6:01
Pieter van der MerwePieter van der Merwe
1,95811 gold badge1212 silver badges1010 bronze badges
...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
... of which is generated by the compiler at compile time after getting the information of the data type from the argument. As long as the memory layout cannot be created, the instructions for the method definition cannot be generated. Remember the first argument of the class method is the 'this' opera...
Git merge errors
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How do I determine the size of my array in C?
...-time too, so there's no need to worry about the division affecting the performance of the program. So use this form wherever you can.
It is always best to use sizeof on an actual object when you have one, rather than on a type, since then you don't need to worry about making an error and stating t...