大约有 2,907 项符合查询结果（耗时：0.0183秒） [XML]
Accessing outside variable using anonymous function as params
...no matter what function is executing.
Code:
$result = '';
fetch("SELECT title FROM tbl", function($r) use (&$result) {
$result .= $r['title'];
});
But beware (taken from one of comments in previous link):
use() parameters are early binding - they use the variable's value at
the po...
How to set breakpoints in inline Javascript in Google Chrome?
...
<script src="scripts/common.js"></script>
<title>Test debugging JS in Chrome</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div>
<script type="text/javasc...
Inner text shadow with CSS
...
position: relative;
}
.depth:before, .depth:after {
content: attr(title);
color: rgba(255,255,255,.1);
position: absolute;
}
.depth:before { top: 1px; left: 1px }
.depth:after { top: 2px; left: 2px }
The title attribute needs to be the same as the content. Demo: http://dabblet.co...
Launch Bootstrap Modal on page load
...smiss="modal">&times;</button>
<h4 class="modal-title">Modal Header</h4>
</div>
<div class="modal-body">
<p>Some text in the modal.</p>
</div>
<div class="modal-footer">
...
Change the URL in the browser without loading the new page using JavaScript
...ou change the state.
Example:
window.history.pushState("object", "Your New Title", "/new-url");
The pushState() method:
pushState() takes three parameters: a state object, a title (which is currently ignored), and (optionally) a URL. Let's examine each of these three parameters in more detail:
stat...
How do I remove objects from a JavaScript associative array?
...ElementsByTagName("head")[0])
elements.push(document.getElementsByTagName("title")[0])
elements["prop"] = document.getElementsByTagName("body")[0]
console.log("number of elements: ", elements.length) // Returns 2
delete elements[1]
console.log("number of elements: ", elements.length) // Returns...
What is a stack trace, and how can I use it to debug my application errors?
...n" java.lang.NullPointerException
at com.example.myproject.Book.getTitle(Book.java:16)
at com.example.myproject.Author.getBookTitles(Author.java:25)
at com.example.myproject.Bootstrap.main(Bootstrap.java:14)
This is a very simple stack trace. If we start at the beginning of...
Can I use jQuery with Node.js?
...mmary .question-hyperlink').map(function () {
return {
title: $(this).text(),
url: url.resolve(baseUrl, $(this).attr('href'))
};
}).get().slice(0, 5); // limit to the top 5 questions
// For each question
async.map(questions, function (question, qu...
Where to place JavaScript in an HTML file?
...y> tag. Something like this:
<html>
<head>
<title>My awesome page</title>
<!-- CSS -->
<link rel="stylesheet" type="text/css" href="...">
<link rel="stylesheet" type="text/css" href="...">
<link rel="styles...
What does the 'b' character do in front of a string literal?
...
Actually this is exactly the answer to the title of the question that was asked: Q: "What does b'x' do?" A: "It does 'x'.encode()" That is literally what it does. The rest of the question wanted to know much more than this, but the title is answered.
...