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$on and $broadcast in angular

I have a footerController and codeScannerController with different views. 4 Answers 4 ...
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Abort makefile if variable not set

How could I abort a make/makefile execution based on a makefile's variable not being set/valued? 5 Answers ...
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Multiple aggregations of the same column using pandas GroupBy.agg()

Is there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times? ...
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What are 'get' and 'set' in Swift?

I'm learning Swift and I'm reading The Swift Programming Language from Apple, I have no Objective C background (only PHP, JS, and other but no Obj C) ...
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Extracting extension from filename in Python

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Does setting Java objects to null do anything anymore?

I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed. ...
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Can you help me understand Moq Callback?

Using Moq and looked at Callback but I have not been able to find a simple example to understand how to use it. 5 Answers...
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What is the correct syntax for 'else if'?

... making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out. ...
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Sublime as default editor

Is there a way to set Sublime Text as the default text editor for file formats on Windows 7? 10 Answers ...
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Why do I need Transaction in Hibernate for read-only operations?

Why do I need Transaction in Hibernate for read-only operations? 4 Answers 4 ...