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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...
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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 ...
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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...
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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...
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Textarea that can do syntax highlighting on the fly?

...tory wikipedia link: http://en.wikipedia.org/wiki/Comparison_of_JavaScript-based_source_code_editors share | improve this answer | follow | ...
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Method names for getting data [closed]

...ail. findBooks(criteria) is when are trying to find a sub-set of the books based on parameters to the method call, this will usually be overloaded with different search criteria loadBooks(source) is when you are loading from an external source, like a file or db. I would not use fetch/retrieve becau...
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“Use the new keyword if hiding was intended” warning

... Your class has a base class, and this base class also has a property (which is not virtual or abstract) called Events which is being overridden by your class. If you intend to override it put the "new" keyword after the public modifier. E.G. ...
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What is the difference between self::$bar and static::$bar in PHP?

...c bindings. One of the most useful scenarios that I found was for creating Base classes for Singleton Classes: class A { // Base Class protected static $name = ''; protected static function getName() { return static::$name; } } class B extends A { protected static $name = 'M...
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Avoiding instanceof in Java

...Orc. What do you think about me?". Opinionated elf can then judge monsters based on these "greetings", with a code similar to bool visitOrc(Orc orc) { return orc.stench()<threshold; } bool visitFlower(Flower flower) { return flower.colour==magenta; }. The only monster-specific code will then be c...
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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...