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What does send() do in Ruby?
...14")
But it can all be replaced with the following:
Assuming your Rails app needs to assign attributes to your car class from user input, you can do
c = Car.new()
params.each do |key, value|
c.send("#{key}=", value)
end
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How do I concatenate strings and variables in PowerShell?
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Try wrapping whatever you want to print out in parentheses:
Write-Host ($assoc.Id + " - " + $assoc.Name + " - " + $assoc.Owner)
Your code is being interpreted as many parameters being passed to Write-Host. Wrapping it up insi...
How to set environment variable or system property in spring tests?
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}
}
The static initializer code will be executed before the spring application context is initialized.
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Running JAR file on Windows
...button and navigate to the location the Java interpreter javaw.exe.
In the Application used to perform action field, needs to display something similar to C:\Program Files\Java\j2re1.4.2_04\bin\javaw.exe" -jar "%1" % (Note: the part starting with 'javaw' must be exactly like that; the other part of ...
The simplest way to resize an UIImage?
In my iPhone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image :
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Google Chrome Extensions - Can't load local images with CSS
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Ah, makes sense. I appreciate it.
– Salem
Jul 28 '11 at 22:25
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Using custom fonts using CSS?
... Thank you for the great detailed answer. May I ask if that kind of approach works for the older browsers as well? Such as.. IE8/7/6? And by the way, are all of the fonts displayed on Google Webfonts free for commercial use?
– Radicate
Aug 27 '12 at 15:2...
How to terminate a python subprocess launched with shell=True
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Very nice solution. If your cmd happens to be a shell script wrapper for something else, do call the final binary there with exec too in order to have only one subprocess.
– Nicolinux
Aug 4 '16 at 17:51
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How to concatenate stdin and a string?
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It actually appends string to every line. Try echo 'input'\n'another line' | awk '{print $0"string"}'.
– tomekwi
Feb 3 '16 at 8:20
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How to detect a textbox's content has changed
...f text then right-click-cut. Or dragging it. Or dropping text from another app into the textbox. Or changing a word via the browser's spell-check. Or...
So if you must detect every change, you have to poll for it. You could window.setInterval to check the field against its previous value every (say...