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jQuery Validate Plugin - How to create a simple custom rule?

...|| (parseFloat(value) > 0); }, "* Amount must be greater than zero"); And then applying this like so: $('validatorElement').validate({ rules : { amount : { greaterThanZero : true } } }); Just change the contents of the 'addMethod' to validate your checkboxes. ...
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What __init__ and self do on Python?

I'm learning the Python programming language and I've came across something I don't fully understand. 18 Answers ...
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Friend declaration in C++ - difference between public and private

... there's no difference - you just tell that class B is a friend of class A and now can access its private and protected members, that's all. share | improve this answer | fol...
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What is the purpose of the '@' symbol in CSS?

I just stumbled across this question and I noticed the user is using some notation I've never seen before: 5 Answers ...
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Does git return specific return error codes?

...content): Merge conflict in test.txt Automatic merge failed; fix conflicts and then commit the result. $ echo $? 1 Git returns 0 when it merges correctly, as expected. share | improve this answer...
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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby

... Also, if you want this to be very specific and not "round" the duration, check out Radar's gem: github.com/radar/distance_of_time_in_words. Drop-in replacement for distance_of_time_in_words and you can get the rounded number by passing vague: true as an option. ...
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Textarea to resize based on content length [duplicate]

...box, it grows in length as needed to avoid having to deal with scroll bars and it need to shrink after delete text! I didn’t want to go down the mootools or jquery route because I have a lightweight form. ...
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Is it bad practice to have a constructor function return a Promise?

I'm trying to create a constructor for a blogging platform and it has many async operations going on inside. These range from grabbing the posts from directories, parsing them, sending them through template engines, etc. ...
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Is there a read-only generic dictionary available in .NET?

... +1 for posting complete code and not just a link, but I'm curious, what's the point of an empty constructor in a ReadOnlyDictionary? :-) – Samuel Neff Feb 22 '11 at 16:36 ...
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Java ArrayList copy

... l1 of size 10. I assign l1 to new list reference type l2 . Will l1 and l2 point to same ArrayList object? Or is a copy of the ArrayList object assigned to l2 ? ...