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How does JavaScript .prototype work?
...share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works?
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User recognition without cookies or local storage
...ternative measure, you might create your own simple scoring algorithm, and base it on exact matches. This is not as efficient as probability, but may be simpler for you to implement.
As an example, consider this simple score chart:
+-------------------------+--------+------------+
| Proper...
Concatenate strings in Less
... use string interpolation also with variable and plain strings together:
@base-url: "http://assets.fnord.com";
background-image: url("@{base-url}/images/bg.png");
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Why is there no Tree class in .NET?
The base class library in .NET has some excellent data structures for collections (List, Queue, Stack, Dictionary), but oddly enough it does not contain any data structures for binary trees. This is a terribly useful structure for certain algorithms, such as those that take advantage of different tr...
Textarea that can do syntax highlighting on the fly?
...tory wikipedia link: http://en.wikipedia.org/wiki/Comparison_of_JavaScript-based_source_code_editors
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...yourCustomMethod() {
// custom implementation here
}
}
Now let your base repository interface extend the custom one and the infrastructure will automatically use your custom implementation:
interface UserRepository extends CrudRepository<User, Long>, CustomUserRepository {
}
This w...
Sync data between Android App and webserver [closed]
...ing this is writing your own custom ContentProvider backed by a Sqlite database. A decent tutorial for a content provider can be found here: http://thinkandroid.wordpress.com/2010/01/13/writing-your-own-contentprovider/
A ContentProvider defines a consistent interface to interact with your stored ...
Ruby on Rails: Where to define global constants?
...hem without creating a new object instance:
class Card < ActiveRecord::Base
def self.colours
['white', 'blue']
end
end
# accessible like this
Card.colours
Alternatively, you can create class variables and an accessor. This is however discouraged as class variables might act kind of su...
How to parse/format dates with LocalDateTime? (Java 8)
...-year number/text 3; 03; Q3; 3rd quarter
Y week-based-year year 1996; 96
w week-of-week-based-year number 27
W week-of-month number 4
E day-of-week text ...
Operational Transformation library?
...ound.
Operational Transformation: E.g.
Google Wave OT. The approach is based on the so called Jupiter approach.
ShareJs. Based on the same OT algorithm as Google Wave OT.
Coweb-jsoe. Based on COT - a very sophisticated OT approach that also supports p2p message propagation.
OpenCoweb. It leverag...