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Real World Example of the Strategy Pattern
I've been reading about the OCP principal and how to use the strategy pattern to accomplish this.
17 Answers
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How does facebook, gmail send the real time notification?
...posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answers
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Deploy a project using Git push
Is it possible to deploy a website using git push ? I have a hunch it has something to do with using git hooks to perform a git reset --hard on the server side, but how would I go about accomplishing this?
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Are there any O(1/n) algorithms?
...s question isn't as stupid as it might seem. At least theoretically, something such as O(1/n) is completely sensible when we take the mathematical definition of the Big O notation:
Now you can easily substitute g(x) for 1/x … it's obvious that the above definition still holds for some f.
For t...
What are important languages to learn to understand different approaches and concepts? [closed]
When all you have is a pair of bolt cutters and a bottle of vodka, everything looks like the lock on the door of Wolf Blitzer's boathouse. (Replace that with a hammer and a nail if you don't read xkcd)
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Java: when to use static methods
I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the class. Does this mean I should use a static method?
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
...ood habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement?
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Use Mockito to mock some methods but not others
Is there any way, using Mockito, to mock some methods in a class, but not others?
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How can I confirm a database is Oracle & what version it is using SQL?
I'm building an installer for an application. The user gets to select a datasource they have configured and nominate what type of database it is. I want to confirm that the database type is indeed Oracle, and if possible, what version of Oracle they are running by sending a SQL statement to the dat...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...s is the difference between an object orientated function and a function using a global variable, effectively.
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