大约有 6,261 项符合查询结果（耗时：0.0182秒） [XML]
Can I find events bound on an element with jQuery?
...is an internal-use only method:
// Bind up a couple of event handlers
$("#foo").on({
click: function(){ alert("Hello") },
mouseout: function(){ alert("World") }
});
// Lookup events for this particular Element
$._data( $("#foo")[0], "events" );
The result from $._data will be an object t...
How do I trim whitespace?
...
For leading and trailing whitespace:
s = ' foo \t '
print s.strip() # prints "foo"
Otherwise, a regular expression works:
import re
pat = re.compile(r'\s+')
s = ' \t foo \t bar \t '
print pat.sub('', s) # prints "foobar"
...
Collections.emptyList() vs. new instance
...5.0 you can specify the type of element in the container:
Collections.<Foo>emptyList()
I concur with the other responses that for cases where you want to return an empty list that stays empty, you should use this approach.
...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...r architectures like MSVC, ARM, etc.)
Let's have our example program:
// foo.c
typedef struct
{
double x, y;
} point;
void give_two_doubles(double * x, double * y)
{
*x = 1.0;
*y = 2.0;
}
point give_point()
{
point a = {1.0, 2.0};
return a;
}
int main()
{
return 0;
}
...
JavaScript variable number of arguments to function
...
Sure, just use the arguments object.
function foo() {
for (var i = 0; i < arguments.length; i++) {
console.log(arguments[i]);
}
}
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What's the easy way to auto create non existing dir in ansible
...ame: Add file or template to remote instance
template:
src: foo.txt.j2
dest: "{{ dest_path }}"
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...
Django template how to look up a dictionary value with a variable
...he following lookups,
in this order:
Dictionary lookup. Example: foo["bar"]
Attribute lookup. Example: foo.bar
List-index lookup. Example: foo[bar]
But you can make a filter which lets you pass in an argument:
https://docs.djangoproject.com/en/dev/howto/custom-template-tags/#wr...
How do you explicitly set a new property on `window` in TypeScript?
... as used by TypeScript 2.0.8. Example: export default class MyClass{ foo(){ ... } ... } interface MyWindow extends Window{ mc: MyClass } declare var window: MyWindow window.mc = new MyClass() Then you can call foo() e.g. from the Chrome Dev Tools console like mc.foo()
...
Batch: Remove file extension
...te: in the above example %%f would be something like C:\Users\Admin\Ordner\foo.flv and %%~nf would give you foo. If you want everything except the extension use %%~df%%~pf%%~nf which would give you C:\Users\Admin\Ordner\foo
– ehambright
Aug 2 '17 at 22:05
...
Can my enums have friendly names? [duplicate]
... use it like this:
public enum MyEnum
{
[Description("Description for Foo")]
Foo,
[Description("Description for Bar")]
Bar
}
MyEnum x = MyEnum.Foo;
string description = x.GetDescription();
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