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Real World Example of the Strategy Pattern
...arameter, the concrete strategy will be tagged to interface.
UML Diagram from wikipedia
One real word example : Airlines offering discounts during some months (July-December). You can have one Fare module, which decides pricing options depending on month number.
Have a look at a simple examp...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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Why should Java ThreadLocal variables be static
...Service - Simple service with method - getUser() to fetch the current user from CurrentUser.
TestThread - this class used for creating multiple threads and set userids concurrently
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public class CurrentUser
public class CurrentUser {
private static final ThreadLocal<String> CURRENT = new ...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...atabase schema details. You're just getting some extra (and welcome!) help from Hibernate on the validation annotations.
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RESTful Authentication via Spring
...lidated) token
UserDetails userDetails = tokenUtils.getUserFromToken(token);
// build an Authentication object with the user's info
UsernamePasswordAuthenticationToken authentication =
new UsernamePasswordAuthenticationToken(us...
When should I use double instead of decimal?
...850
Decimal: 600000.0000000000
As you can see, even though we are adding from the same source constant, the results of the double is less precise (although probably will round correctly), and the float is far less precise, to the point where it has been reduced to only two significant digits.
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Why define an anonymous function and pass it jQuery as the argument?
I'm looking through the excellent peepcode demo code from the backbone.js screencasts. In it, the backbone code is all enclosed in an anonymous function that is passed the jQuery object:
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Cannot use ref or out parameter in lambda expressions
...tually asked ... see the accepted answer and the comments under the answer from Ben Adams, who likewise misunderstood the question.
– Jim Balter
Oct 10 '18 at 5:05
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Difference between dispatch_async and dispatch_sync on serial queue?
...Your choice of concurrent or serial queue depends on if you need an output from a previous task for the next one. If you depend on the previous task, adopt the serial queue else take concurrent queue.
And lastly this is a way of penetrating back to the main thread when we are done with our business...
AngularJS ng-if with multiple conditions
...ments into a function attached to the scope, thus removing that logic away from the html section.
– jmlopez
Nov 4 '15 at 0:41
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