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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
...
How to split last commit into two in Git
...dex, then commit them. Then commit the
rest.
You can use "git add" to put all changes made in a file to the index. If you
don't want to stage every modification made in a file, only some of them, you
can use "git add -p".
Let's see an example. Let's suppose I had a file called myfile, which contai...
Can I recover a branch after its deletion in Git?
... sha of the commit found using a command like that (it creates a file with all the dangling commits):
git fsck --full --no-reflogs --unreachable --lost-found | grep commit | cut -d\ -f3 | xargs -n 1 git log -n 1 --pretty=oneline > .git/lost-found.txt
If you should use it more than one time ...
Why is an array not assignable to Iterable?
...t will do the conversion for you, explicitly.
(Having said that, you can call clone on arrays.)
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Is it possible to decrypt MD5 hashes?
...gorithms), it is a one way hash function. Much of the original data is actually "lost" as part of the transformation.
Think about this: An MD5 is always 128 bits long. That means that there are 2128 possible MD5 hashes. That is a reasonably large number, and yet it is most definitely finite. And y...
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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Text border using css (border around text)
...e CSS3 text-shadow :
text-shadow: 0 0 2px #fff;
However it wont show in all browsers right away. Using a script library like Modernizr will help getting it right in most browsers though.
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What is a classpath and how do I set it?
...u built as part of your project, and it is in a directory in your project called output. The .class file would be at output/org/javaguy/coolframework/MyClass.class (along with every other file in that package). In order to get to that file, your path would simply need to contain the folder 'output',...
\d is less efficient than [0-9]
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\d checks all Unicode digits, while [0-9] is limited to these 10 characters. For example, Persian digits, ۱۲۳۴۵۶۷۸۹, are an example of Unicode digits which are matched with \d, but not [0-9].
You can generate a list of all su...
OpenID vs. OAuth [duplicate]
What is really the difference between OpenID and oAuth? They look just the same to me.
5 Answers
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