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Return Boolean Value on SQL Select Statement
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What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
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Creating runnable JAR with Gradle
Until now I created runnable JAR files via the Eclipse "Export..." functionallity but now I switched to IntelliJ IDEA and Gradle for build automation.
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The entity cannot be constructed in a LINQ to Entities query
There is an entity type called Product that is generated by entity framework.
I have written this query
14 Answers
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When to use std::forward to forward arguments?
...;, so you always end up with the correct type inside the function body. Finally, you need forward to turn the lvalue-turned x (because it has a name now!) back into an rvalue reference if it was one initially.
You should not forward something more than once however, because that usually does not ma...
Error on renaming database in SQL Server 2008 R2
... is WITH ROLLBACK IMMEDIATE necessary. If I don't use it at all, will it cause problems?
– user13892
Sep 6 '19 at 17:53
1
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Java: Check if enum contains a given string?
...u do not have to worry about adding additional enum values later, they are all checked.
Edit: If the enum is very large you could stick the values in a HashSet:
public static HashSet<String> getEnums() {
HashSet<String> values = new HashSet<String>();
for (Choice c : Choice...
Unable to understand useCapture parameter in addEventListener
...h regards to the other EventListeners on the EventTarget. I haven't tested all browsers, so they may all just happen to implement it the same way. Capture events will, however, be done before non-capturing events.
– beatgammit
Aug 20 '13 at 0:56
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SQL statement to get column type
..._SCHEMA.COLUMNS. Just do a SELECT * FROM INFORMATION_SCHEMA.COLUMNS to see all the columns available.
– Francis P
Jul 8 '15 at 12:59
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How to use Git?
... who spends most of his spare time watching TV rather than coding. So basically I have zero experience with any kind of version control system. My understanding is somehow they make distribution of projects easier.
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