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How to get the number of characters in a std::string?
...r string types in non-standard C++ libraries, such as MFC's CString, ATL's CComBSTR, ACE's ACE_CString, and so on, with methods such as .GetLength(), and so on. I can't remember the specifics of them all right off the top of my head.
The STLSoft libraries have abstracted this all out with what they...
Omit rows containing specific column of NA
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M--
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answered Feb 28 '19 at 11:48
DroneyDroney
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How to retrieve a single file from a specific revision in Git?
...hs ago. I found the revision at that date; it's 27cf8e84bb88e24ae4b4b3df2b77aab91a3735d8 . I need to see what one file looks like, and also save it as a ("new") file.
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CSS background image to fit width, height should auto-scale in proportion
...he bottom of the image. Most of the water is cut, as well as a part of the sky. You don't see the complete image anymore, but neither do you see any background color; the image <em>covers</em> all of the <code>&lt;div&gt;</code>.</p>
</div>
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Scala: Abstract types vs generics
...o by hand. Besides the loss in conciseness, there is also the problem of accidental name
conflicts between abstract type names that emulate type parameters.
Second, generics and abstract types usually serve distinct roles in Scala programs.
Generics are typically used when one needs just type ...
Base64: What is the worst possible increase in space usage?
...swered Apr 13 '16 at 5:53
Zsolt SkyZsolt Sky
34933 silver badges55 bronze badges
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微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...盗版系统最多的国家（就是咱们）的科技厂商合作，通过电脑助手类软件，第一时间向各大用户推送正版系统，目的就是装机率，装机率，装机率。
对于免费授权操作系统，微软自然有着自己的苦衷：移动设备的大潮，将桌面...
How to stretch div height to fill parent div - CSS
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SnorbuckleSnorbuckle
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4
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...cost, but I'm looking for the answer to what do I need to do if I want to accept credit card payments?
9 Answers
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What is the best regular expression to check if a string is a valid URL?
...x convenience functions (character class, non-capturing group) */
function cc($str, $suffix = '', $negate = false) {
return '[' . ($negate ? '^' : '') . $str . ']' . $suffix;
}
function ncg($str, $suffix = '') {
return '(?:' . $str . ')' . $suffix;
}
/* Preserved from RFC3986 */
$ALPHA = '...