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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
I'm using WebStorm 7 for Firefox Add-on SDK development.
13 Answers
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If string is empty then return some default value
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ActiveSupport adds a presence method to all objects that returns its receiver if present? (the opposite of blank?), and nil otherwise.
Example:
host = config[:host].presence || 'localhost'
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Couldn't register with the bootstrap Server
I just changed some code in my program and got this error:
21 Answers
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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
Seriously. On a 22" monitor, it only covers maybe a quarter of the screen. I need some ammo to axe down this rule.
32 Answe...
Force HTML5 youtube video
...1"></iframe>
The video will be displayed as HTML5 if available, or fallback into flash player.
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How to list variables declared in script in bash?
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set will output the variables, unfortunately it will also output the functions defines as well.
Luckily POSIX mode only outputs the variables:
( set -o posix ; set ) | less
Piping to less, or redirect to where you want the options.
So to get the variabl...
Reasons for using the set.seed function
Many times I have seen the set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this?
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What is `mt=8` in iTunes links for the App Store?
Does anyone know the significance of the mt parameter in App Store Links?
8 Answers
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What does the exclamation mark mean in a Haskell declaration?
...Basically, it means that it must be evaluated to what's called "weak head normal form" when the data structure value is created. Let's look at an example, so that we can see just what this means:
data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above...
Difference between static STATIC_URL and STATIC_ROOT on Django
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STATIC_ROOT
The absolute path to the directory where ./manage.py collectstatic will collect static files for deployment.
Example: STATIC_ROOT="/var/www/example.com/static/"
now the command ./manage.py collectstatic will copy all the static files(ie in static folde...