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Ruby on Rails Callback, what is difference between :before_save and :before_create?
Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
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How to generate an openSSL key using a passphrase from the command line?
...o random phrase used? I'm just looking for something "good enough" to keep casual hackers at bay.
2 Answers
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How do I start a program with arguments when debugging?
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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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Method overloading in Objective-C?
As far as my knowledge, Objective-C does not support method overloading. What can be the alternative for this in Objective-C? Or should I always use different method name?
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How do I select a merge strategy for a git rebase?
git-rebase man page mentions -X<option> can be passed to git-merge . When/how exactly?
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.prop('checked',false) or .removeAttr('checked')?
With the introduction of the prop method, now I need to know the accepted way of unchecking a checkbox. Is it:
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How do I merge a specific commit from one branch into another in Git?
I have BranchA which is 113 commits ahead of BranchB .
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Enable bundling and minification in debug mode in ASP.NET MVC 4
I can't believe I cannot find other questions about this, but: how does one enable bundling in debug mode? I know how it is enabled for release mode, but in debug mode I cannot find a way to enable the bundling.
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String literals and escape characters in postgresql
Attempting to insert an escape character into a table results in a warning.
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