大约有 30,000 项符合查询结果（耗时：0.0230秒） [XML]
Show spinner GIF during an $http request in AngularJS?
...// register the interceptor as a service, intercepts ALL angular ajax http calls
.factory('myHttpInterceptor', function ($q, $window) {
return function (promise) {
return promise.then(function (response) {
// do something on success
// todo hid...
The object cannot be deleted because it was not found in the ObjectStateManager
...d two contexts going on when deleting child data from a parent - which was called from a different context, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
...
How to serialize SqlAlchemy result to JSON?
...en, and all their children... Potentially encode your entire database, basically. When it reaches something its encoded before, it will encode it as 'None'.
A recursive, possibly-circular, selective implementation
Another alternative, probably better, is to be able to specify the fields you want t...
Immutable vs Mutable types
...
Almost, but not exactly. Technically, all variables are passed by reference in Python, but have a semantics more like pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the va...
How to call a SOAP web service on Android [closed]
I am having a lot of trouble finding good information on how to call a standard SOAP/WSDL web service with Android. All I've been able to find are either very convoluted documents and references to "kSoap2" and then some bit about parsing it all manually with SAX . OK, that's fine, but it's 2008, s...
How do you dynamically add elements to a ListView on Android?
Can anyone explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
...
Difference between Repository and Service Layer?
... bool Delete(int id);
T Get(int id);
bool SaveChanges();
}
and call Get(id). Repository layer exposes basic CRUD operations.
Service layer exposes business logic, which uses repository. Example service could look like:
public interface IUserService
{
User GetByUserName(string userN...
Populating a database in a Laravel migration file
...t distinct concerns. Our team has compromised by creating migrations which call seeders. This looks like:
public function up()
{
Artisan::call( 'db:seed', [
'--class' => 'SomeSeeder',
'--force' => true ]
);
}
This allows you to execute a seed one time just like a mig...
How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...ice-versa.
To establish a many-to-many relationship, create a third table called "ClassStudentRelation" which will have the primary keys of both table A and table B.
CREATE TABLE Class(
ClassID varchar2(10) PRIMARY KEY,
Title varchar2(30),
Instructor varchar2(30),
Day varchar2(15...
How to use multiple AWS Accounts from the command line?
...rt multiple profiles.
If you configure access with the tools, it automatically creates a default in ~/.aws/config.
You can then add additional profiles - more details at:
http://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html#cli-multiple-profiles
...