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How should I have explained the difference between an Interface and an Abstract class?
...tring encryptPassword(String pass){
// Implement the same default behavior here
// that is shared by all subclasses.
}
// Each subclass needs to provide their own implementation of this only:
public abstract void checkDBforUser();
}
Now in each child class, we on...
How to use the “number_to_currency” helper method in the model rather than view?
...case I needed these currency formatter methods to use them in a template filter (Liquid in my case).
At the end I found out I could access to these currency formatter methods using things like this:
ActionController::Base.helpers.number_to_currency
...
Calculate age given the birth date in the format YYYYMMDD
...ullYear();
var m = today.getMonth() - birthDate.getMonth();
if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
age--;
}
return age;
}
I believe the only thing that looked crude on your code was the substr part.
Fiddle: http://jsfiddle.net/code...
ios app maximum memory budget
...
Results of testing with the utility Split wrote (link is in his answer):
device: (crash amount/total amount/percentage of total)
iPad1: 127MB/256MB/49%
iPad2: 275MB/512MB/53%
iPad3: 645MB/1024MB/62%
iPad4: 585MB/1024MB/57% (i...
PHP function to generate v4 UUID
...
An alternative for *nix users who don't have the openssl extension: $data = file_get_contents('/dev/urandom', NULL, NULL, 0, 16);
– Iiridayn
Apr 19 '13 at 20:49
...
How should I choose an authentication library for CodeIgniter? [closed]
...DX Auth, following the recommendations and requirements below.
And the resulting Tank Auth is looking like the answer to the OP's question. I'm going to go out on a limb here and call Tank Auth the best authentication library for CodeIgniter available today. It's a rock-solid library that has all th...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...thod is curried. For example, I like to use the following style:
(list
filter (...)
map (...)
mkString ", "
)
That's the same thing as:
list filter (...) map (...) mkString ", "
Now, why am I using parenthesis here, if filter and map take a single parameter? It's because I'm passing anonymo...
Sending a JSON to server and retrieving a JSON in return, without JQuery
... send a JSON (which I can stringify) to the server and to retrieve the resulting JSON on the user side, without using JQuery.
...
LIMIT 10..20 in SQL Server
...late MySQL LIMIT clause in Microsoft SQL Server 2000"
"Paging of Large Resultsets in ASP.NET"
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Design Patterns web based applications [closed]
...irect(view); // We'd like to fire redirect in case of a view change as result of the action (PRG pattern).
}
}
catch (Exception e) {
throw new ServletException("Executing action failed.", e);
}
}
Executing the action should return some identifier to locate the view. Simp...