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@UniqueConstraint annotation in Java
...
I'm currently using play framework too with hibernate and JPA 2.0 annotation and this model works without problems
@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@Not...
How to get document height and width without using jquery
How to get document height and width in pure javascript i.e without using jquery .
I know about $(document).height() and $(document).width() , but I want to do this in javascript .
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How do I prevent the modification of a private field in a class?
... strangely not! My solution would also be to use the list from the outside and wrap the array as follows:
String[] arr = new String[]{"1", "2"};
public List<String> getList() {
return Collections.unmodifiableList(Arrays.asList(arr));
}
The problem with copying the array is: if you're d...
How to append a char to a std::string?
... It is more natural IMO for strings. push_back is container function, and a string is a specialized one in STL :)
– AraK
Sep 24 '09 at 14:38
6
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How do I execute a stored procedure once for each row returned by query?
...stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id
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Detecting Unsaved Changes
...pt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the current page. The prompt should not display if the user hasn...
Push to GitHub without a password using ssh-key
I generated an SSH key pair without a password and added the public key to GitHub.
6 Answers
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Is it feasible to do (serious) web development in Lisp? [closed]
...n it as a back-end to Apache using mod_proxy as a reverse proxy, or as a stand-alone server.
Various HTML generation solutions are available, from PHP-style templates to Lisp macro hacks to XSLT. Just take your pick.
HTML-TEMPLATE is one example.
Closure XML is available for XML parsing, serializa...
Use of class definitions inside a method in Java
...a local class.
2 is the easy one: yes, a class file will be generated.
1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typical use would be to create a throw-away impleme...
Most efficient way to create a zero filled JavaScript array?
...ay(len).fill(0);
Not sure if it's fast, but I like it because it's short and self-describing.
It's still not in IE (check compatibility), but there's a polyfill available.
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