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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...
Check to see if python script is running
...nit (mentioned above) can do this for you, or you can write a simple shell script to check it for you using the return code from ps.
ps up `cat /tmp/mydaemon.pid ` >/dev/null && echo "Running" || echo "Not running"
For extra credit, you can use the atexit module to ensure that your pro...
Asp.net 4.0 has not been registered
...:
aspnet_regiis -i
Make sure it is run at administrator, check that the title starts with Administrator:
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Combine two ActiveRecord::Relation objects
...where.none_of(search.where.not(id: ids_to_exclude).merge(search.where.not("title ILIKE ?", "%#{query}%")))
You have here (A u B)' = A' ^ B'
UPDATE:
The solution above is good for more complex cases.
In your case smth like that will be enough:
User.where('first_name LIKE ? OR last_name LIKE ?', ...
Android Studio Editor Font Sizing
...Go to Preferences (Settings in Windows) Menu and select the Keymap section title on the left. On the right sections' search box, type in font. You will find several entries including Increase Font Size and Decrease Font Size. You can double click each of these to add a keyboard shortcut.
For mine...
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'
}
}
...
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...
How do I create directory if none exists using File class in Ruby?
...ooks.rb
screenshotName = "#{@screenshotfolder}/failed-#{scenario_object.title.gsub(/\s+/,"_")}-#{Time.new.strftime("%Y%m%d%H%M%S")}_screenshot.png";
@browser.take_screenshot(screenshotName) if scenario.failed?
embed(screenshotName, "image/png", "SCREENSHOT") if scenario.failed?
...
How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
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