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handlerbars.js check if list is empty

Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?

When I hit Tab for indenting code, I like to get a real tab. Meaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that? ...
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Python 2.7: Print to File

Why does trying to print directly to a file instead of sys.stdout produce the following syntax error: 6 Answers ...
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Is there an equivalent of 'which' on the Windows command line?

As I sometimes have path problems, where one of my own cmd scripts is hidden (shadowed) by another program (earlier on the path), I would like to be able to find the full path to a program on the Windows command line, given just its name. ...
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Django rest framework, use different serializers in the same ModelViewSet

I would like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet : 6 A...
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How do I make a checkbox required on an ASP.NET form?

I've done some searching on this, and I've found several partial answers, however nothing that gives me that warm fuzzy "this is the right way to do this". To answer the most frequently occurring complaint against this question: "checkboxes can have two legitimate states - checked and unchecked", th...
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How can I change the color of my prompt in zsh (different from normal text)?

To recognize better the start and the end of output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint? ...
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Twitter bootstrap remote modal shows same content every time

I am using Twitter bootstrap, I have specified a modal 22 Answers 22 ...
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Fully custom validation error message with Rails

Using Rails I'm trying to get an error message like "The song field can't be empty" on save. Doing the following: 17 Answer...
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What is the difference between PS1 and PROMPT_COMMAND

While taking a look at this awesome thread I noticed that some examples use 6 Answers ...