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COUNT DISTINCT with CONDITIONS
I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this:
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What exactly does the Access-Control-Allow-Credentials header do?
I'm trying to understand how to use CORS and am confused about what the Access-Control-Allow-Credentials header does.
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Sprintf equivalent in Java
Printf got added to Java with the 1.5 release but I can't seem to find how to send the output to a string rather than a file (which is what sprintf does in C). Does anyone know how to do this?
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How to split a sequence into two pieces by predicate?
How do I split a sequence into two lists by a predicate?
6 Answers
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Use the XmlInclude or SoapInclude attribute to specify types that are not known statically
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bower command not found
I tried to install twitter bower on my Mac, and I used
5 Answers
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Differences between git pull origin master & git pull origin/master
What is the difference between git pull origin master and git pull origin/master ?
3 Answers
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What is the easiest way to push an element to the beginning of the array?
I can't think of a one line way to do this. Is there a way?
6 Answers
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Using :after to clear floating elements
I have a list and the li's have a float:left; . The contents after the <ul> should be aligned correctly. Therefore i can build the following:
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Disable file preview in VS2012
In VS2012 when you select a file in solution explorer it automatically opens file in a special "preview" tab.
5 Answers
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