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How should I have explained the difference between an Interface and an Abstract class?
... // Needs to implement both methods
}
But what if encryptPassword() is not database dependent, and it's the same for each class? Then the above would not be a good approach.
Instead, consider this approach:
public abstract class LoginAuth{
public String encryptPassword(String pass){
...
Compiling a java program into an executable [duplicate]
...on these ways:
(source: viralpatel.net)
1- JSmooth .exe wrapper:
JSmooth is a Java Executable Wrapper. It creates native Windows launchers (standard .exe) for your java applications. It makes java deployment much smoother and user-friendly, as it is able to find any installed Java VM by itself. Wh...
PyLint “Unable to import” error - how to set PYTHONPATH?
...ively, edit ~/.pylintrc to include the directory above your module, like this:
[MASTER]
init-hook='import sys; sys.path.append("/path/to/root")'
(Or in other version of pylint, the init-hook requires you to change [General] to [MASTER])
Both of these options ought to work.
Hope that helps.
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Android: how do I check if activity is running?
Is there any simple way of determining whether or not a certain activity is active?
I want to do certain things depending on which activity is active.
eg:
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What methods of ‘clearfix’ can I use?
...ve the age-old problem of a div wrapping a two-column layout. My sidebar is floated, so my container div fails to wrap the content and sidebar.
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Read stream twice
How do you read the same inputstream twice? Is it possible to copy it somehow?
10 Answers
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Exception.Message vs Exception.ToString()
I have code that is logging Exception.Message . However, I read an article which states that it's better to use Exception.ToString() . With the latter, you retain more crucial information about the error.
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Is it possible to make a type only movable and not copyable?
I have this struct
2 Answers
2
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ASP.NET MVC JsonResult Date Format
... trick in the javascript representation of strings: the string literal "/" is the same as "\/", and a string literal will never get serialized to "\/" (even "\/" must be mapped to "\\/").
See http://msdn.microsoft.com/en-us/library/bb299886.aspx#intro_to_json_topic2 for a better explanation (scroll...
What is the exact meaning of IFS=$'\n'?
...ackslash followed by the letter n (in the other two cases).
$'somestring' is a syntax for string literals with escape sequences. So unlike '\n', $'\n' actually is a linebreak.
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