大约有 11,400 项符合查询结果（耗时：0.0255秒） [XML]
Lambda capture as const reference?
Is it possible to capture by const reference in a lambda expression?
8 Answers
8
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How do I initialize an empty array in C#?
Is it possible to create an empty array without specifying the size?
13 Answers
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How to convert a byte array to a hex string in Java?
I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c
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When is null or undefined used in JavaScript? [duplicate]
...nfused as to when JavaScript returns null or undefined . Also different browsers seem to be returning these differently.
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Force browser to download image files on click
I need the browser to download the image files just as it does while clicking on an Excel sheet.
14 Answers
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In-memory size of a Python structure
...here a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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Is Big O(logn) log base e?
For binary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different...
How can I display an RTSP video stream in a web page?
...ides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
15 Answers
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
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This works for me in chrome/QtWebView
function getErrorObject(){
try { throw Error('') } catch(err) { return err; }
}
var err = getErrorObject();
var caller_line = err.stack.split("\n")[4];
var index = caller_line.indexOf("at ");
var clean = caller_li...
Bash continuation lines
How do you use bash continuation lines?
11 Answers
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