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Remove header and footer from window.print()
...
In Chrome it's possible to hide this automatic header/footer using
@page { margin: 0; }
Since the contents will extend to page's limits, the page printing header/footer will be absent. You should, of course, in this case, set some margins/paddings in...
static allocation in java - heap, stack and permanent generation
...ack - and whenever there is a concrete invocation of that method, we get a new stack-frame associated with it.
Yes.
... I am not sure where are the local variables of a static method are stored. Are they on the heap of Permanent Generation ? Or just their reference is stored in the Permanent ...
How to identify platform/compiler from preprocessor macros?
...the Boost libraries strongly enough.
The latest version (1.55) includes a new Predef library which covers exactly what you're looking for, along with dozens of other platform and architecture recognition macros.
#include <boost/predef.h>
// ...
#if BOOST_OS_WINDOWS
#elif BOOST_OS_LINUX
#...
Heroku free account limited?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4536326%2fheroku-free-account-limited%23new-answer', 'question_page');
}
);
...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...tor.remove() is safe, you can use it like this:
List<String> list = new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iterator = list.iterator(...
Using tags in the with other HTML
...
BREAKING BAD NEWS for "style in body" lovers: W3C has recently lost the HTML war against WHATWG, whose versionless HTML "Living Standard" has now become the official one, which, alas, does not allow STYLE in the BODY. The short-lived happ...
Executing a command stored in a variable from PowerShell
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3592851%2fexecuting-a-command-stored-in-a-variable-from-powershell%23new-answer', 'question_page');
}
);
...
What's the difference between using “let” and “var”?
...ing them before the initialization results in a ReferenceError. Variable said to be in "temporal dead zone" from the start of the block until the initialization is processed.
function checkHoisting() {
console.log(foo); // ReferenceError
let foo = "Foo";
console.log(foo); // Foo
}
checkHoist...
Repeat table headers in print mode
Is it possible in CSS using a property inside an @page to say that table headers (th) should be repeated on every page if the table spreads over multiple pages?
...
Using jQuery to test if an input has focus
...elow
Edit: As times change, we find better methods for testing focus, the new favorite is this gist from Ben Alman:
jQuery.expr[':'].focus = function( elem ) {
return elem === document.activeElement && ( elem.type || elem.href );
};
Quoted from Mathias Bynens here:
Note that the (e...