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Show pending migrations in rails

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AngularJs: Reload page

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How to get the current directory in a C program?

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How to deselect a selected UITableView cell?

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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres

...liner to fix that curl https://gist.githubusercontent.com/Paulche/9713531/raw/1e57fbb440d36ca5607d1739cc6151f373b234b6/gistfile1.txt | sudo patch /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/universal-darwin13/rbconfig.rb ...
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Algorithm for creating a school timetable

I've been wondering if there are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teacher...
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How to split a string into a list?

... also use it to solve your problem: import nltk words = nltk.word_tokenize(raw_sentence) This has the added benefit of splitting out punctuation. Example: >>> import nltk >>> s = "The fox's foot grazed the sleeping dog, waking it." >>> words = nltk.word_tokenize(s) >&g...
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How can I avoid running ActiveRecord callbacks?

... it without resorting to additional gems, adding conditional checks, using RAW SQL, or futzing with your exiting code in any way, consider using a "shadow object" pointing to your existing db table. Like so: class ImportedPerson < ActiveRecord::Base self.table_name = 'people' end This works ...
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What is the string length of a GUID?

... Binary strings store raw-byte data, whilst character strings store text. Use binary data when storing hexi-decimal values such as SID, GUID and so on. The uniqueidentifier data type contains a globally unique identifier, or GUID. This value is de...
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I need to securely store a username and password in Python, what are my options?

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