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Removing a model in rails (reverse of “rails g model Title…”)
How can I completely remove this model? Thanks
5 Answers
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How can I scale an entire web page with CSS?
Using Firefox, you can enlarge an entire web page by simply pressing CTRL + . What this does is proportionally enlarge the entire web page (fonts, images, etc).
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Do I encode ampersands in ?
I'm writing code that automatically generates HTML, and I want it to encode things properly.
4 Answers
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Setting JDK in Eclipse
I have two JDKs, for Java 6 and 7.
6 Answers
6
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How can I check that a form field is prefilled correctly using capybara?
I have a field with a proper label that I can fill in with capybara without a problem:
4 Answers
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Linux find file names with given string
I'm on Ubuntu, and I'd like to find all files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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SQL order string as number
I have numbers saved as VARCHAR to a MySQL database. I can not make them INT due to some other depending circumstances.
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Why sizeof int is wrong, while sizeof(int) is right?
We know that sizeof is an operator used for calculating the size of any datatype and expression, and when the operand is an expression, the parentheses can be omitted.
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What is the formal difference in Scala between braces and parentheses, and when should they be used?
What is the formal difference between passing arguments to functions in parentheses () and in braces {} ?
9 Answers
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Simple and fast method to compare images for similarity
I need a simple and fast way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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