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How should I have explained the difference between an Interface and an Abstract class?
...h methods
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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){
// Implement the same d...
Where is SQL Server Management Studio 2012?
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edited Dec 20 '17 at 2:10
gg89
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Semantic-ui vs Bootstrap [closed]
...e of Frameworks in Semantic-UI, so I will contribute and hope the best for it, but I will not use it for big projects that depend on a huge feedbacks and supports!
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How does the compilation/linking process work?
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Preprocessing: the preprocessor takes a C++ source code file and deals with the #includes, #defines and other preprocessor directives. The output of this step is a "pure" C++ file without pre-processor directives.
Compilation: the compiler takes the pre-processor's output and produces an object f...
Is returning null bad design? [closed]
...e rationale behind not returning null is that you do not have to check for it and hence your code does not need to follow a different path based on the return value. You might want to check out the Null Object Pattern which provides more information on this.
For example, if I were to define a meth...
How does a PreparedStatement avoid or prevent SQL injection?
I know that PreparedStatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise?
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How do you check that a number is NaN in JavaScript?
I’ve only been trying it in Firefox’s JavaScript console, but neither of the following statements return true:
30 Answe...
What is the difference between an abstract function and a virtual function?
...nce between an abstract function and a virtual function? In which cases is it recommended to use virtual or abstract? Which one is the best approach?
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Best way to make Java's modulus behave like it should with negative numbers?
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It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b) % b
This expression works as the result of (a % b) is necessarily lower than b, no matter if a is positive or negative. Adding...
What is makeinfo, and how do I get it?
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In (at least) Ubuntu when using bash, it tells you what package you need to install if you type in a command and its not found in your path. My terminal says you need to install 'texinfo' package.
sudo apt-get install texinfo
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