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Mediator Vs Observer Object-Oriented Design Patterns
...t of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Source: dofactory
Example:
The observer pattern:
Class A, can have zero or more observers of type O registered with it. When s...
CodeIgniter removing index.php from url
...this [mysite]index.php/[rest of the slug] .
I want to strip index.php from these urls.
31 Answers
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How to clone all repos at once from GitHub?
...
I created the API token and I'm getting output from the call, but I do not see anything referencing what I know of our repositories or the 'ssh_url' string. I suspect I didn't do the call properly. curl -i https://github.com/api/v3/orgs/company/repos?access_token=<tok...
Adding a Method to an Existing Object Instance
...rary/new.html
In the example below I've deliberately removed return value from patch_me() function.
I think that giving return value may make one believe that patch returns a new object, which is not true - it modifies the incoming one. Probably this can facilitate a more disciplined use of monkeyp...
When monkey patching an instance method, can you call the overridden method from the new implementat
...onkey patching a method in a class, how could I call the overridden method from the overriding method? I.e. Something a bit like super
...
What is token-based authentication?
... Am I correct in thinking that in a web application, one (or more) cookies from the remote web site performs the function of the token?
– AJP
Dec 9 '12 at 14:10
31
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Writing Unicode text to a text file?
...nicode to variable-byte-length utf-8 conversion is automatically performed from memory to file.)
out1 = "(嘉南大圳 ㄐㄧㄚ ㄋㄢˊ ㄉㄚˋ ㄗㄨㄣˋ )"
fobj = open("t1.txt", "w", encoding="utf-8")
fobj.write(out1)
fobj.close()
...
How does this CSS produce a circle?
...border. If you set border-radius to 50 pixels then it would take 25 pixels from one side and 25 pixels from another side.
And taking 25 pixels from each side it would produce like this:
div{
width: 0px;
height: 0px;
border: 180px solid red;
border-radius: 0 50px 0 0;
}
Now se...
What is the difference between bottom-up and top-down?
...pically, you would perform a recursive call (or some iterative equivalent) from the root, and either hope you will get close to the optimal evaluation order, or obtain a proof that you will help you arrive at the optimal evaluation order. You would ensure that the recursive call never recomputes a s...
Why doesn't Java allow overriding of static methods?
...ces where there is one. In Java this happens when calling a static method from an object (obj.staticMethod()) -- which is allowed and uses the compile-time types. When the static call is in a non-static method of a class, the "current" object could be a derived type of the class -- but static meth...