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Does const mean thread-safe in C++11?
...in respect to data races--.
Does that mean const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int new_width, int new_heigh...
Singleton: How should it be used
...quirements
Sometimes the OS or the JVM creates singletons for you (e.g. in Java every class definition is a singleton)
Provide a destructor or somehow figure out how to dispose resources
Use little memory
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Why does casting int to invalid enum value NOT throw exception?
...ize that the .NET version of Enum follows a more C-inspired pattern than a Java-inspired one. This makes it possible to have "Bit Flag" enums which can use binary patterns to determine whether a particular "flag" is active in an enum value. If you had to define every possible combination of flags (i...
Understanding events and event handlers in C#
... gave us a reference to a method that complied with our desired signature.
Java
Languages like Java don't have delegates. They use interfaces instead. The way they do that is to ask anyone who is interested in 'us being clicked', to implement a certain interface (with a certain method we can call), ...
How can I export tables to Excel from a webpage [closed]
...
DataTables is fully Javascript. Just the TableTools element uses Flash, and it's miniscule. I would NEVER use Flash willingly in any of my products!
– bpeterson76
Apr 27 '11 at 20:17
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Create the perfect JPA entity [closed]
...uff that's going to go in the HttpSession, or be sent over the wire by RPC/Java EE, needs to implement Serializable. Other stuff: not so much. Spend your time on what's important.
Constructors: create a constructor with all required fields of the entity?
Constructor(s) for application logic, shoul...
WSDL vs REST Pros and Cons
... addition, the client-library support isn't that good outside the world of Java and .NET
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How to manage REST API versioning with spring?
... // and to /v3/x/c
}
Implementation:
ApiVersion.java annotation:
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface ApiVersion {
int[] value();
}
ApiVersionRequestMappingHandlerMapping.java (this is mostly copy and ...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...t;h:head> in the (master) template. This will ensure that the necessary JavaScript files are properly included. This is not required for mode="simple" (non-ajax upload), but this would break look'n'feel and functionality of all other PrimeFaces components, so you don't want to miss that anyway.
W...
What is the significance of 1/1/1753 in SQL Server?
...ric dates.
This contrasts with other Software implementations such as the Java Gregorian Calendar class which defaults to following the Julian Calendar for dates until October 4, 1582 then jumping to October 15, 1582 in the new Gregorian calendar. It correctly handles the Julian model of leap year ...