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How can I quantify difference between two images?
Here's what I would like to do:
22 Answers
22
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Which access modifiers are implied when not specified?
For all of the different concepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified?
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Update git commit author date when amending
I found myself amending my commits quite often. I don't stash so much because I tend to forget I did so, especially when I want to save what I did before I leave or before a weekend, so I do a "draft" commit. Only thing is, when I amend the commit, it is still set to the original author date. Is t...
Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...
Rails: create on has_one association
Hi (huge Rails newbie here), I have the following models:
4 Answers
4
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Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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How to add multiple objects to ManyToMany relationship at once in Django ?
Based on the Django doc, I should be able to pass multiple objects at once to be added to a manytomany relationship but I get a
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List of Rails Model Types
Does someone have a complete list of model types that be specified when generating a model scaffolding
2 Answers
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How to prove that a problem is NP complete?
I have problem with scheduling. I need to prove that the problem is NP complete. What can be the methods to prove it NP complete?
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How do I use vimdiff to resolve a git merge conflict?
I just merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conf...