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Unstage a deleted file in git
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Assuming you're wanting to undo the effects of git rm <file> or rm <file> followed by git add -A or something similar:
# this restores the file status in the index
git reset -- <file>
# then check out a copy fr...
Rails 4 - Strong Parameters - Nested Objects
I've got a pretty simple question. But haven't found a solution so far.
4 Answers
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What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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Learning Ant path style
... conventions? I've gone to the Ant site itself, but couldn't find any information on path styles.
5 Answers
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Create objective-c class instance by name?
Is it possible to create an instance of a class by name? Something like:
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How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
11 Answers
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What is a unix command for deleting the first N characters of a line?
For example, I might want to:
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uncaught syntaxerror unexpected token U JSON
I get this error "uncaught syntaxerror unexpected token U" when I run my page in chrome. And in firefox I get, "JSON.parse: unexpected character". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be apprecia...
How to redirect a url in NGINX
I need to redirect every http://test.com request to http://www.test.com . How can this be done.
4 Answers
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Business logic in MVC [closed]
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Business rules go in the model.
Say you were displaying emails for a mailing list. The user clicks the "delete" button next to one of the emails, the controller notifies the model to delete entry N, then notifies the view the model has changed.
Per...