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SQL join on multiple columns in same tables
I have 2 subqueries, but I'm having trouble joining columns together from the same tables. I tried:
2 Answers
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How do I remove deleted branch names from autocomplete?
I used git branch -d myBranch to delete a branch. However, when I am on master and try to checkout a new branch with git checkout , myBranch still appears in the tab-autocomplete.
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How to get the last element of an array in Ruby?
Example:
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Windows batch: call more than one command in a FOR loop?
Is it possible in Windows batch file to call more than one command in a single FOR loop? Let's say for example I want to print the file name and after delete it:
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What does @synchronized() do as a singleton method in objective C?
I just created a singleton method, and I would like to know what the function @synchronized() does, as I use it frequently, but do not know the meaning.
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Array.Add vs +=
I've found some interesting behaviour in PowerShell Arrays, namely, if I declare an array as:
3 Answers
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
I'm trying to write a HTTP interceptor for my AngularJS app to handle authentication.
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Rails 3 datatypes?
Where can I find a list of data types that can be used in rails 3? (such as text, string, integer, float, date, etc.?) I keep randomly learning about new ones, but I'd love to have a list I could easily refer to.
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Sending websocket ping/pong frame from browser
I keep reading about ping/pong messages in websockets to keep the connection alive, but I'm not sure what they are. Is it a distinct frame type? (I don't see any methods on a javascript WebSocket object in chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" o...
C# list.Orderby descending
I would like to receive a list sorted by 'Product.Name' in descending order .
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