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Pass variables to Ruby script via command line
...'BEGIN {print a}'
> 1
It means you cannot pass named values into your script directly.
Using cmd options may help:
> ruby script.rb val_0 val_1 val_2
# script.rb
puts ARGV[0] # => val_0
puts ARGV[1] # => val_1
puts ARGV[2] # => val_2
Ruby stores all cmd arguments in the ARGV ar...
How to change column datatype in SQL database without losing data
... And never make a change like this from the GUI. Always make it through a script like this. The GUI will drop and recreate the table and that is much more time consuming. If the table is large and on production, this can be disastrous. Plus all table changes should have a script that is in source c...
how to get program files x86 env variable?
... you need put %programfiles%. I think the only way is to check by code the OS version first and then use one variable or other.
– gsubiran
Feb 5 '14 at 16:12
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Why doesn't JavaScript support multithreading?
...d updating an element accordingly will just let you see the start and end positions, and nothing in between.
We use an abstraction library in JavaScript that allows us to create processes and threads which are all managed by the same JavaScript interpreter. This allows us to run actions in the foll...
How do I use CSS in Django?
...
Just a quick note on those Django docs - make sure you select the documents for the version of Django you're using. Things appear to have changed a lot between versions with regard to static files.
– Sam Starling
...
Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
...ported here : http://bugs.jquery.com/ticket/13183 that breaks the Fancybox script.
Also check https://github.com/fancyapps/fancyBox/issues/485 for further reference.
As a workaround, rollback to jQuery v1.8.3 while either the jQuery bug is fixed or Fancybox is patched.
UPDATE (Jan 16, 2013): Fa...
How to change href of tag on button click through javascript
...ow to change the href attribute value of an <a/> tag through Javascript on button click ?
7 Answers
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How do I configure different environments in Angular.js?
...
},
development: {
options: {
dest: '<%= yeoman.app %>/scripts/config.js'
},
constants: {
ENV: 'development'
}
},
production: {
options: {
dest: '<%= yeoman.dist %>/scripts/config.js'
},
constants: {
ENV: 'production'
}
}
...
What is the difference between float and double?
...the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences betwe...
Unsafe JavaScript attempt to access frame with URL
...
Crossframe-Scripting is not possible when the two frames have different domains -> Security.
See this: http://javascript.about.com/od/reference/a/frame3.htm
Now to answer your question: there is no solution or work around, you simp...