大约有 12,000 项符合查询结果（耗时：0.0349秒） [XML]
What is the HTML tabindex attribute?
...ess of where it is in relation to the rest of the code (it could be in the footer, content area, where-ever) if there is a defined tabindex then the tab order will start at the element which is explicitly assigned the lowest tabindex value above 0. It will then cycle through the elements defined an...
How can I get name of element with jQuery?
...
Play around with this jsFiddle example:
HTML:
<p id="foo" name="bar">Hello, world!</p>
jQuery:
$(function() {
var name = $('#foo').attr('name');
alert(name);
console.log(name);
});
This uses jQuery's .attr() method to get value for the first element i...
Why does Java's hashCode() in String use 31 as a multiplier?
...erent meaning. Yes, that implies that Map.of(42, 42).hashCode() or Map.of("foo", "foo", "bar", "bar").hashCode(), etc, are predictably zero. So don’t use maps as keys for other maps…
– Holger
Aug 30 '19 at 9:12
...
add column to mysql table if it does not exist
... the error with a declare continue handler:
delimiter ;;
create procedure foo ()
begin
declare continue handler for 1060 begin end;
alter table atable add subscriber_surname varchar(64);
end;;
call foo();;
I think its neater this way than with an exists subquery. Especially if you have a ...
Update value of a nested dictionary of varying depth
...eplacing an element such as an integer with a dictionary, such as update({'foo':0},{'foo':{'bar':1}}). This update addresses it:
import collections
def update(d, u):
for k, v in u.iteritems():
if isinstance(d, collections.Mapping):
if isinstance(v, collections.Mapping):
...
How to .gitignore files recursively
...git 1.9.1 for ignoring all files except js in following case: (first line) foo/bar/*/* (second line) !foo/bar/**/*.js It worked only for one level of subdirectories, but not recursively.
– LLL
Mar 5 '19 at 19:40
...
What does in XML mean?
...characters
like > < " and &
or write things like
<foo></bar>
but my document is still well-formed!
-->
</exampleOfAComment>
... but it is still part of the document:
<exampleOfACDATA>
<)*[\s\S])/)[1];
return new Worker(window.URL.createObjectURL(
new Blob([str],{type:'text/javascript'})...
Catching multiple exception types in one catch block
...exceptions that have been defined for the purposes of this example:
class FooException extends Exception
{
public function __construct($message = null, $code = 0)
{
// do something
}
}
class BarException extends Exception
{
public function __construct($message = null, $code = 0)
...