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How to pass a function as a parameter in Java? [duplicate]
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@TomeeNS - here is a simple example, where foo() is the function passed as a parameter, and demo() is the function that takes a function as a parameter. void demo(final Callable<Void> func){ func.call(); } void foo(){ return null; } demo(new Calla...
How to get all registered routes in Express?
...outer middleware (via app.use). Express 4.11.0
//////////////
app.get("/foo", function(req,res){
res.send('foo');
});
//////////////
var router = express.Router();
router.get("/bar", function(req,res,next){
res.send('bar');
});
app.use("/",router);
//////////////
var route, routes = ...
What is the difference between const_iterator and non-const iterator in the C++ STL?
...wing thoughts on the topic. With simple pointers, one can say int const * foo; int * const foo; and int const * const foo;all three are valid and useful, each in their own way. std::vector<int> const bar should be the same as the second one, but it is unfortunately often treated like the thi...
How can I set the Sender's address in Jenkins?
...ch is the same as the account email address. For example sake, say this is foo@mycompany.com. How can I make jenkins always send mail from foo@mycompany.com?
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PHP equivalent of .NET/Java's toString()
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Object of class Foo could not be converted to string. Is there a general solutions that can convert anything (arrays+objects+whatever) to a string?
– ripper234
Jan 3 '13 at 15:42
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Execute command on all files in a directory
...o
cmd [option] "$file" >> results.out
done
Example
el@defiant ~/foo $ touch foo.txt bar.txt baz.txt
el@defiant ~/foo $ for i in *.txt; do echo "hello $i"; done
hello bar.txt
hello baz.txt
hello foo.txt
share
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How can I use “:” as an AWK field separator?
...s between the third case and all others. Example : awk 'BEGIN{print split("foo:bar",a)}' FS=":" file and awk 'BEGIN{FS=":"; print split("foo:bar",a)}' file
– kvantour
Dec 6 '18 at 19:20
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How to set default value for form field in Symfony2?
...tatements within get's
I wouldn't, but you could.
return ( ! $this->hasFoo() ) ? 'default' : $this->foo;
Factory / instance.
Call a static function / secondary class which provides you a default Entity pre-populated with data. E.g.
function getFactory() {
$obj = new static();
$ob...
What is the purpose of class methods?
...mal methods are useful to hide the details of dispatch: you can type myobj.foo() without worrying about whether the foo() method is implemented by the myobj object's class or one of its parent classes. Class methods are exactly analogous to this, but with the class object instead: they let you call ...
How do I get the current time zone of MySQL?
...are not stored with timezone information in MySQL:
mysql> create table foo (tstamp datetime) Engine=MyISAM;
Query OK, 0 rows affected (0.06 sec)
mysql> insert into foo (tstamp) values (now());
Query OK, 1 row affected (0.00 sec)
mysql> set time_zone = '+01:00';
Query OK, 0 rows affected ...