大约有 47,000 项符合查询结果（耗时：0.0875秒） [XML]
'size_t' vs 'container::size_type'
Is there is a difference between size_t and container::size_type ?
3 Answers
3
...
How to count string occurrence in string?
...
var count = (temp.match(/is/g) || []).length;
console.log(count);
And, if there are no matches, it returns 0:
var temp = "Hello World!";
var count = (temp.match(/is/g) || []).length;
console.log(count);
...
String.replaceAll single backslashes with double backslashes
...ument as a regular expression. The \ is an escape character in both String and regex. You need to double-escape it for regex:
string.replaceAll("\\\\", "\\\\\\\\");
But you don't necessarily need regex for this, simply because you want an exact character-by-character replacement and you don't nee...
Support for “border-radius” in IE
...9.
-moz-border-radius is for Firefox, -webkit-border-radius is for Safari and Chrome.
Furthermore: don't forget to declare your IE coding is ie9:
<meta http-equiv="X-UA-Compatible" content="IE=9" />
Some lazy developers have <meta http-equiv="X-UA-Compatible" content="IE=7" />. If t...
Naming convention for Scala constants?
...
The officially recommended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library, and has some support i...
jQuery convert line breaks to br (nl2br equivalent)
I'm having jQuery take some textarea content and insert it into an li.
9 Answers
9
...
How to check if element has any children in Javascript?
... (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
That relies on the child...
Can Python test the membership of multiple values in a list?
...
This does what you want, and will work in nearly all cases:
>>> all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])
True
The expression 'a','b' in ['b', 'a', 'foo', 'bar'] doesn't work as expected because Python interprets it as a tupl...
Some font-size's rendered larger on Safari (iPhone)
...le of how to apply this to your body, just for the iPhone:
@media screen and (max-device-width: 480px){
body{
-webkit-text-size-adjust: none;
}
}
share
|
improve this answer
|
...
How do I assert equality on two classes without an equals method?
...
@PiotrAleksanderChmielowski, sorry, when working with Spring+JPA+Entities, the Entity object may have an id (representing the id field of the database table), so when it is empty (a new object not yet stored on the DB), refEq fails to c...