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How can I implement an Access Control List in my Web MVC application?
...nd that it is the original object, it will react the same
But, there are one major issue with this method too - you cannot natively check if secured object implements and interface ( which also applies for looking up existing methods ) or is part of some inheritance chain.
Second part/answer (RBA...
What is a raw type and why shouldn't we use it?
...ines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying type argument list.
An array type whose element type is a raw type.
A non-static member type of a raw type ...
Hidden features of Perl?
...cumented somewhere, or follow logically from the documented features, but nonetheless some are not very well known.
Update: Another nice one. Below the q{...} quoting constructs were mentioned, but did you know that you can use letters as delimiters?
$ perl -Mstrict -wle 'print q bJet another per...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...-------------------------
# Specify the installation option.
# It can be one of the following:
# - INSTALL_DB_SWONLY 仅安装DB数据库软件
# - INSTALL_DB_AND_CONFIG 装DB数据库软件和配置库
# - UPGRADE_DB 升级DB数据库软件
#----------------------------------...
Why should I use the keyword “final” on a method parameter in Java?
...other than the object passed by the calling method. In the examples above, one should never write the line arg =. Since humans make mistakes, and programmers are human, let’s ask the compiler to assist us. Mark every parameter/argument variable as 'final' so that the compiler may find and flag any...
round up to 2 decimal places in java? [duplicate]
I have read a lot of stackoverflow questions but none seems to be working for me. i am using math.round() to round off.
this is the code:
...
Validation of radio button group using jQuery validation plugin
How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin?
8 ...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...te String id;
private String name;
private String address;
@OneToMany(fetch = FetchType.EAGER)
private List<Student> students;
// etc.
}
And here's an example where students is explicitly marked to be loaded lazily:
@Entity
public class University {
@Id
...
Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...
SOAP does in NO WAY force one to use HTTP or XML. HTTP and XML are the things defined in WS-I for interoperability, but one can also send POJOs over JMS. The thing is, that the programmer does not need to care: The service bus manages the transport an...
How many concurrent requests does a single Flask process receive?
... but that's best used with the Tornado framework, it seems). By specifying one of these async workers with the --worker-class flag, what you get is Gunicorn managing a number of async processes, each of which managing its own concurrency. These processes don't use threads, but instead coroutines. Ba...