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Update Row if it Exists Else Insert Logic with Entity Framework
... modifications automatically
context.SaveChanges();
If you can use any knowledge about the object's key you can use something like this:
if (myEntity.Id != 0)
{
context.MyEntities.Attach(myEntity);
context.ObjectStateManager.ChangeObjectState(myEntity, EntityState.Modified);
}
else
{
...
Spring JPA selecting specific columns
I am using Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA?
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Injecting Mockito mocks into a Spring bean
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Don't know why this answer is upvoted so much, the resulting bean cannot be autowired because it has the wrong type.
– azerole
Dec 7 '12 at 14:53
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Explicit specialization in non-namespace scope [duplicate]
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This answer is not correct anymore, specialization is now allowed in class scope in conformant C++14 (& later) compilers : wg21.cmeerw.net/cwg/issue727
– Jean-Michaël Celerier
Sep 5 '19 at 10:14
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How do I reformat HTML code using Sublime Text 2?
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thanks... just knew now about packages :D. saw some cool stuff for sublime text here as well. arlando.net/blog/…
– mars-o
Jul 9 '13 at 12:06
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@Resource vs @Autowired
...inject.Inject - use it, with a combination of @Qualifier. Note that spring now also supports the @javax.inject.Qualifier meta-annotation:
@Qualifier
@Retention(RUNTIME)
public @interface YourQualifier {}
So you can have
<bean class="com.pkg.SomeBean">
<qualifier type="YourQualifier"/...
How to open emacs inside bash
...ted at /home/usr/ and at the bottom add the line:
alias enw='emacs -nw'
Now each time you open a terminal session you just type, for example, enw and you have with three letters the emacs no-window option :).
share
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How do I prevent Android taking a screenshot when my app goes to the background?
...., apps using the media projection APIs).
UPDATE: it also secures against Now On Tap or other assistants on Android 6.0; they will not get access to the details of widgets and containers in your UI if the user brings up the assistant.
UPDATE #2: however, not everything in the activity will be prot...
How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
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Yes @FariborZ singleLine is deprecated now.
– Paresh Mayani
Jan 23 '17 at 6:11
1
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How do you assert that a certain exception is thrown in JUnit 4 tests?
...d add is that in this case I would test for a custom exception, so that I know I am getting the exception I really want.
– nickbdyer
May 3 '16 at 12:22
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