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C++ inheritance - inaccessible base?
...
You have to do this:
class Bar : public Foo
{
// ...
}
The default inheritance type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default.
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HTTP test server accepting GET/POST requests
...ou can then submit data:
$ curl -d "[1,2,3]" -XPOST http://localhost:3000/foo/bar
which will be shown in the server's stdout:
POST /foo/bar
{ host: 'localhost:3000',
'user-agent': 'curl/7.54.1',
accept: '*/*',
'content-length': '7',
'content-type': 'application/x-www-form-urlencoded' }
B...
What is the difference between RDF and OWL? [closed]
...erence between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?
12 Answers
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How do I set the proxy to be used by the JVM
...roxyHosts property!
-Dhttp.nonProxyHosts="localhost|127.0.0.1|10.*.*.*|*.foo.com|etc"
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jQuery: click function exclude children.
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My solution:
jQuery('.foo').on('click',function(event){
if ( !jQuery(event.target).is('.foo *') ) {
// code goes here
}
});
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Why is this program valid? I was trying to create a syntax error
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Perl has a syntax called "indirect method notation". It allows
Foo->new($bar)
to be written as
new Foo $bar
So that means
Syntax error ! exit 0;
is the same as
error->Syntax(! exit 0);
or
error->Syntax(!exit(0));
Not only is it valid syntax, it doesn't result in a ...
How do I tell Spring Boot which main class to use for the executable jar?
...udo_rj, and I found this also works: mvn clean package -Dstart-class=com.foo.Application, if want to dynamically specify using which main class
– zhuguowei
May 11 '16 at 6:16
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How to wait for async method to complete?
...T>) by calling an appropriate Wait method:
public static async Task<Foo> GetFooAsync()
{
// Start asynchronous operation(s) and return associated task.
...
}
public static Foo CallGetFooAsyncAndWaitOnResult()
{
var task = GetFooAsync();
task.Wait(); // Blocks current threa...
Safely casting long to int in Java
...h Java 8 to do just that.
import static java.lang.Math.toIntExact;
long foo = 10L;
int bar = toIntExact(foo);
Will throw an ArithmeticException in case of overflow.
See: Math.toIntExact(long)
Several other overflow safe methods have been added to Java 8. They end with exact.
Examples:
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JPA CascadeType.ALL does not delete orphans
...eType.DELETE_ORPHAN, which can be used in conjunction with JPA CascadeType.ALL.
If you don't plan to use Hibernate, you'll have to explicitly first delete the child elements and then delete the main record to avoid any orphan records.
execution sequence
fetch main row to be deleted
fetch child...