大约有 40,000 项符合查询结果（耗时：0.0829秒） [XML]
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
Does C++ support ' finally ' blocks?
16 Answers
16
...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...lution, you'll have to use a script to filter elements and apply styles or extra class names accordingly. For example, the following is a common workaround using jQuery (assuming there is only one row group populated with tr elements within the table):
$('table.myClass').each(function() {
// Note ...
How to check if a value exists in an array in Ruby
...
Very useful if you want check any/all of those string is included in another string/constant
– thanikkal
Jul 12 '12 at 12:40
...
Union of dict objects in Python [duplicate]
...yptic, and it immediately makes most readers balk and the remainder assume all the keys in x would have to be legal parameter names. IMHO, the fact it works is a bug in the name-checking mechanisms in the implementation. What happens when you rely on bugs? They either get fixed, or become politic...
How do I use floating-point division in bash?
...e result is the maximum scale of the expressions involved. And there is an extra note for / operator: The scale of the result is the value of the variable scale.
– psmith
Jan 16 '17 at 5:48
...
Android YouTube app Play Video Intent
...And how about this:
public static void watchYoutubeVideo(Context context, String id){
Intent appIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("vnd.youtube:" + id));
Intent webIntent = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.youtube.com/watch?v=" + id));
...
Node.js check if file exists
...ecause fs.exists(path, callback) now is deprecated
Another good way is fs-extra
share
|
improve this answer
|
follow
|
...
PHP - Get bool to echo false when false
...
I really wanted to argue why (string)FALSE == "" is a good idea based on this bit from PHP's documentation: "A boolean TRUE value is converted to the string "1". Boolean FALSE is converted to "" (the empty string). This allows conversion back and forth be...
Detecting when user scrolls to bottom of div with jQuery
... alert('end reached');
}
})
});
You may also add some extra margin pixels if you do not need a strict condition
var margin = 4
jQuery(function($) {
$('#flux').on('scroll', function() {
if(Math.round($(this).scrollTop() + $(this).innerHeight(), 10) >= Math.round(...
Rule-of-Three becomes Rule-of-Five with C++11?
...delete their pointers in the destructor. In these cases you'll need to add extra checks to say whether their pointers are allocated or have been moved away (are now null).
share
|
improve this ans...