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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
On the EJS github page, there is one and only one simple example:
https://github.com/visionmedia/ejs
13 Answers
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Format a Go string without printing?
Is there a simple way to format a string in Go without printing the string?
7 Answers
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Can modules have properties the same way that objects can?
With python properties, I can make it such that
6 Answers
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Or versus OrElse
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OrElse is a short-circuiting operator, Or is not.
By the definition of the boolean 'or' operator, if the first term is True then the whole is definitely true - so we don't need to evaluate the second term.
OrElse knows this, so doesn't try and ev...
Is it OK to use == on enums in Java?
Is it OK to use == on enums in Java, or do I need to use .equals() ? In my testing, == always works, but I'm not sure if I'm guaranteed of that. In particular, there is no .clone() method on an enum, so I don't know if it is possible to get an enum for which .equals() would return a diffe...
HashMap to return default value for non-found keys?
Is it possible to have a HashMap return a default value for all keys that are not found in the set?
14 Answers
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Creating virtual directories in IIS express
... a virtual directory in IIS express? I know that Cassini can't do this and it would be nice to be able to do this without using a full version of IIS.
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Overriding id on create in ActiveRecord
... is just attr_protected, which is why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to Activ...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
How to escape indicator characters (i.e. : or - ) in YAML
... assign a URL. The problem is that YAML interprets : and - characters as either creating mappings or lists, so it has a problem with the line
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