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SQL Server insert if not exists best practice
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Semantically you are asking "insert Competitors where doesn't already exist":
INSERT Competitors (cName)
SELECT DISTINCT Name
FROM CompResults cr
WHERE
NOT EXISTS (SELECT * FROM Competitors c
WHERE cr.Name = c.cName)
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Why am I getting an OPTIONS request instead of a GET request?
it does an OPTIONS request to that URL, and then the callback is never called with anything.
10 Answers
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Changing capitalization of filenames in Git
I am trying to rename a file to have different capitalization from what it had before:
9 Answers
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Are there benefits of passing by pointer over passing by reference in C++?
...reference parameter can not. If there's ever a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site whether the object is passed by value or by reference:
// Is mySprite passed by value or...
XDocument or XmlDocument
I am now learning XmlDocument but I've just ran into XDocument and when I try to search the difference or benefits of them I can't find something useful, could you please tell me why you would use one over another ?
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How to change the Push and Pop animations in a navigation based app
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that?
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Add an element to an array in Swift
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As of Swift 3 / 4 / 5, this is done as follows.
To add a new element to the end of an Array.
anArray.append("This String")
To append a different Array to the end of your Array.
anArray += ["Moar", "Strings"]
anArray.append(contentsOf: ["Moar", "Strings"])
To insert a...
Connect to a heroku database with pgadmin
I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql .
When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain:
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...ave started playing around with AWS and deploying it via the Visual Studio Toolkit. I have successfully deployed the application using the Elastic Beanstalk option in the toolkit.
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How to remove local (untracked) files from the current Git working tree
...g files that are not under version control, starting from the current directory.
Normally, only files unknown to Git are removed, but if the -x option is specified, ignored files are also removed. This can, for example, be useful to remove all build products.
If any optional <path>.....