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Remove ActiveRecord in Rails 3

...it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous version, I am unloading activerecord in the following way: ...
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Automatic post-registration user authentication

...istration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again. ...
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Literal suffix for byte in .NET?

...e var, you can always cast the byte as in var y = (byte) 5 Although not really related, in C#7, a new binary prefix was introduced 0b, which states the number is in binary format. Still there is no suffix to make it a byte though, example: var b = 0b1010_1011_1100_1101_1110_1111; //int ...
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Get nth character of a string in Swift programming language

...ng a linear loop inside another linear loop means this for loop is accidentally O(n2) — as the length of the string increases, the time this loop takes increases quadratically. Instead of doing that you could use the characters's string collection. – ignaciohugog ...
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What are best practices for validating email addresses on iOS 2.0

... ; "]", or "\" Yes, that means +, ', etc are all legit. share | improve this answer | follow | ...
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Git cherry pick vs rebase

... the distinction indeed became somewhat moot, but this is something to be called convergent evolution ;-) The true distinction lies in original intent to create both tools: git rebase's task is to forward-port a series of changes a developer has in their private repository, created against versio...
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Why does the expression 0 < 0 == 0 return False in Python?

...o say 0 &lt; x &lt;= 5 than to say (0 &lt; x) and (x &lt;= 5). These are called chained comparisons. And that's a link to the documentation for them. With the other cases you talk about, the parenthesis force one relational operator to be applied before the other, and so they are no longer chained...
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django unit tests without a db

... doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations. 11 Answer...
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Apply .gitignore on an existing repository already tracking large number of files

... This answer solved my problem: First of all, commit all pending changes. Then run this command: git rm -r --cached . This removes everything from the index, then just run: git add . Commit it: git commit -m ".gitignore is now working" ...
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AJAX Mailchimp signup form integration

... You don't need an API key, all you have to do is plop the standard mailchimp generated form into your code ( customize the look as needed ) and in the forms "action" attribute change post?u= to post-json?u= and then at the end of the forms action appen...