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Difference between “on-heap” and “off-heap”
...t subject to GC). As the off-heap store continues to be managed in memory, it is slightly slower than the on-heap store, but still faster than the disk store.
The internal details involved in management and usage of the off-heap store aren't very evident in the link posted in the question, so it wo...
Spring @Transaction method call by the method within the same class, does not work?
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It's a limitation of Spring AOP (dynamic objects and cglib).
If you configure Spring to use AspectJ to handle the transactions, your code will work.
The simple and probably best alternative is to refactor your code. For examp...
How can I add reflection to a C++ application?
I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
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...
Tools to search for strings inside files without indexing [closed]
...ings in an incredibly old legacy application, and the programmers who made it thought it would be a great idea to plaster the entire app with connection strings all over the place.
...
Testing modules in rspec
...d in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up?
...
What regular expression will match valid international phone numbers?
...eed to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
...
How should I have explained the difference between an Interface and an Abstract class?
...h 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){
// Implement the same d...
When should you branch?
When working with a SCM system, when should you branch?
12 Answers
12
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Best way to include CSS? Why use @import?
... speed standpoint, @import from a CSS file should almost never be used, as it can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.css");
then the download of the second stylesheet may not start until the first style...