大约有 34,900 项符合查询结果（耗时：0.0343秒） [XML]
How do I exit the Vim editor?
I'm stuck and cannot escape. It says:
10 Answers
10
...
When should I make explicit use of the `this` pointer?
...t;int> b;
b.foo();
}
If you omit this->, the compiler does not know how to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this...
Get name of property as a string
...re: Retrieving Property name from lambda expression you can do something like this:
RemoteMgr.ExposeProperty(() => SomeClass.SomeProperty)
public class SomeClass
{
public static string SomeProperty
{
get { return "Foo"; }
}
}
public class RemoteMgr
{
public static void ...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...hes[0];
alert(touch.pageX + " - " + touch.pageY);
}, false);
This works in most WebKit based browsers (incl. Android).
Here is some good documentation.
share
|
improve this answer
|
...
What does the “+” (plus sign) CSS selector mean?
...would apply the style to every paragraph in the page.
This will only work on IE7 or above. In IE6, the style will not be applied to any elements. This also goes for the > combinator, by the way.
See also Microsoft's overview for CSS compatibility in Internet Explorer.
...
is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
How can I get the current page name in WordPress?
... appear to be documented, the $pagename var is only set if you use permalinks. I guess this is because if you don't use them, WordPress doesn't need the page slug, so it doesn't set it up.
$pagename is not set if you use the page as a static front page.
This is the code inside /wp-includes/theme...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
...ny batch script, you must call another script using the call command so it knows to return back to your script after the called script completes. Try prepending call to all commands.
Another thing you could try is using the start command which should work similarly.
...
Profiling Vim startup time
... collected plugins over the years. I’m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
...
Is there a way to remove the separator line from a UITableView?
I'm looking for a way to completely remove the separator line in a UITableView when in the plain mode. This is done automatically in grouped, but this also changes the dimensions of the table in a way that is hard to measure. I have set the seperator line color to colorClear. But this does not compl...