大约有 47,000 项符合查询结果（耗时：0.0748秒） [XML]
Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...ou're actually updating the data yourself in another method in-between the select and the update), but it could be simply a race condition between two applications.
share
|
improve this answer
...
Find all records which have a count of an association greater than zero
...> 17
[14] pry(main)> Article.joins(:comments).distinct.to_sql
=> "SELECT DISTINCT \"articles\".* FROM \"articles\" INNER JOIN \"comments\" ON \"comments\".\"article_id\" = \"articles\".\"id\""
share
|
...
Proper use cases for Android UserManager.isUserAGoat()?
... I have a solution for that. You can right click on the warning symbol and select "Toggle Breakpoint". If the following line/option is enabled it means the breakpoint is created. My point was, dummy code is bad and it should be a warning so yo don't forget ;)
– Tomasz
...
What is VanillaJS?
...tive syntax. jQuery gives me that, and in general, it's a very good design selection -- much better than relying on VanillaLongwindedAndBrowserIncompatible-JS.
– Thomas W
Dec 7 '13 at 0:01
...
Run/install/debug Android applications over Wi-Fi?
...> Wi-Fi ` and then long press the wifi which you are connected to. Then select Modify network config check on Show Advance Options and the scroll to `IP address
– viper
Jan 17 '17 at 7:50
...
How to add custom method to Spring Data JPA
... public List<MyEntity> doSomeHql(Long id) {
String hql = "SELECT eFROM MyEntity e WHERE e.id = :id";
TypedQuery<MyEntity> query = entityManager.createQuery(hql, MyEntity.class);
query.setParameter("id", id);
return query.getResultList();
}
@Sup...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...your DB. It works by storing all the SQL request applied to the DB (except select of course) , and sending them to the server. It's great to manage deletion, but it's a little heavy if you have a lot of updates, and the server need to use the same SQL language...
Another project from QuickConnect ...
Programmatically open Maps app in iOS 6
...s = [MKMapItem class];
if (mapItemClass && [mapItemClass respondsToSelector:@selector(openMapsWithItems:launchOptions:)])
{
// Create an MKMapItem to pass to the Maps app
CLLocationCoordinate2D coordinate =
CLLocationCoordinate2DMake(16.775, -3.009);
MKPlacemark...
How to print the ld(linker) search path
...
When using CMake you can select the exact libraries which are used during the configuration phase (some of these entries are shown only in advanced mode). As for configure scripts from Autotools, see this answer: stackoverflow.com/questions/7561509/...
Iterate over model instance field names and values in template
I'm trying to create a basic template to display the selected instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the ...