What are double colons :: in a shell script?

The :: is just a Naming Convention for function names. Is a coding-style such as snake_case or CamelCase The convention for Function names in shell style commonly is: Lower-case, with underscores to separate words. Separate libraries with ::. Parentheses are required after the function name. The keyword function is optional, but must be used consistently … Read more

Rails coding standards – Why 2 space indentation?

It’s a matter of convention. The really important thing is consistency. Most (but not all) developers prefer spaces to tabs because they look the same regardless of any particular text editor / ide setting. http://www.ecyrd.com/JSPWiki/wiki/WhyTabsAreEvil Two spaces over four is also a matter of convention. Ruby code aims to minimize extra characters, and I suppose … Read more

Should function declarations include parameter names? [closed]

While both are a-okay and used quite a lot, there is a distinct advantage to using parameter names in the declarations in your header files. Most documentation systems (say, doxygen) will parse your header files and generate docs. As an example, look here: http://libface.sourceforge.net/doc/html/classlibface_1_1_face.html Look at the constructor documentation. Compare this Parameters: x1 X coordinate … Read more

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