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What is ApplicationException for in .NET?
...ved from ApplicationException. So, the ApplicationException class lost all meaning. The reason to derive from this base class is to allow some code higher up the call stack to catch the base class. It was no longer possible to catch all application exceptions.
So there you have it. The executive s...
Instagram how to get my user id from username?
...of embedding my image feed in my website using JSON, the URL needs my user id so I can retrieve this feed.
24 Answers
...
What's the difference between JPA and Spring Data JPA?
...Spring, JPA works around repositories (DAO layer: if I am not wrong). So I mean how it is different using 'Spring JPA + Hibernate' or only using 'Hibernate' directly?
As you said, JPA is an specification while Hibernate is a particular implementation of that specification (these implementations are...
When correctly use Task.Run and when just async-await
...d to resume on the current context (in this case, "on the current context" means "on the UI thread"). However, for the rest of that async method (after the ConfigureAwait), you cannot do anything that assumes you're in the current context (e.g., update UI elements).
For more information, see my MSD...
How can I find out what FOREIGN KEY constraint references a table in SQL Server?
...
Here it is:
SELECT
OBJECT_NAME(f.parent_object_id) TableName,
COL_NAME(fc.parent_object_id,fc.parent_column_id) ColName
FROM
sys.foreign_keys AS f
INNER JOIN
sys.foreign_key_columns AS fc
ON f.OBJECT_ID = fc.constraint_object_id
INNER JOIN
sys.tables...
How do you do a case insensitive search using a pattern modifier using less?
...
-i means ignore case in searches that do not contain uppercase while -I ignores case in all searches.
– Constantino Cronemberger
Oct 19 '16 at 18:25
...
Does every Core Data Relationship have to have an Inverse?
...nt that I'm writing this) for a more thorough explanation of what the docs mean when they say that inverse relationships help maintain data integrity.
– Mark Amery
Jul 3 '13 at 22:02
...
How to create and handle composite primary key in JPA
...contains your two keys, and then have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@EmbeddedId
private MyKey myKey;
@Column(name = "ColumnA")
private String columnA;
/** Y...
SQL query to find record with ID not in another table
...
Try this
SELECT ID, Name
FROM Table1
WHERE ID NOT IN (SELECT ID FROM Table2)
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What is the difference between a regular string and a verbatim string?
...t";
would be
string myFileName = @"C:\myfolder\myfile.txt";
The @ symbol means to read that string literally, and don't interpret control characters otherwise.
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