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Count(*) vs Count(1) - SQL Server
Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
I'm trying to POST a List of custom objects.
My JSON in request body is this:
12 Answers
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How to validate an OAuth 2.0 access token for a resource server?
When a client asks a resource server to get a protected resource with an OAuth 2.0 access token, how does this server validate the token? The OAuth 2.0 refresh token protocol?
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When should you use constexpr capability in C++11?
It seems to me that having a "function that always returns 5" is breaking or diluting the meaning of "calling a function". There must be a reason, or a need for this capability or it wouldn't be in C++11. Why is it there?
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How to cast int to enum in C++?
How do I cast an int to an enum in C++?
5 Answers
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Correct idiom for managing multiple chained resources in try-with-resources block?
The Java 7 try-with-resources syntax (also known as ARM block ( Automatic Resource Management )) is nice, short and straightforward when using only one AutoCloseable resource. However, I am not sure what is the correct idiom when I need to declare multiple resources that are dependent on each ot...
Tools for creating Class Diagrams [closed]
Please suggest tools for creating Class Diagrams with the following criteria:
13 Answers
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What's the difference between `=` and `
I'm using R 2.8.1 and it is possible to use both = and <- as variable assignment operators. What's the difference between them? Which one should I use?
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Locate Git installation folder on Mac OS X
I'm just curious, Where Git get installed (via DMG) on Mac OS X file system?
11 Answers
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Escape curly brace '{' in String.Format [duplicate]
How do I display a literal curly brace character when using the String.Format method?
1 Answer
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