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解决Discuz X3日志页面链接乱码错乱问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...如下代码正则表达式有漏洞：
$POST['message'] = preg_replace(array(
"/\<div\>\<\/div\>/i",
"/\<a\s+href\=\"([^\>]+?)\"\>/ie"
), array(
'',
'blog_check_url(\'\\1\')'
...
无法将类型“System.Collections.Generic.List<xxxx.Test>”隐式转换...
WCF接口是List型，但客户端需要传入Array型，若传入List型参数，则报错：
无法将类型“System.Collections.Generic.List<MyTestClient.WcfApp.CommonManageSrv.Test>”隐式转换为“MyTestClient.WcfApp.CommonManageSrv.Test[]”。
原因是WCF默认把List类型...
C#: how to get first char of a string?
...
The difference between MyString[0] and MyString.ToCharArray()[0] is that the former treats the string as a read-only array, while ToCharArray() creates a new array. The former will be quicker (along with easier) for almost anything where it will work, but ToCharArray can be nece...
How to find the size of localStorage
...
Great experiments. However I found array.forEach() in your code, as I know it doesn't exist in IE, do you implement by yourself? How do you measure its contribution to the overall latency?
– Evi Song
Jun 27 '15 at 16:41
...
What is a Manifest in Scala and when do you need it?
...tween Manifest and ClassManifest, you can find an example in the Scala 2.8 Array paper:
The only remaining question is how to implement generic array creation. Unlike Java, Scala allows an instance creation new Array[T] where T is a type parameter. How can this be implemented, given the fact th...
What is the max size of localStorage values?
...0; i <= 10000; i += 250) {
localStorage.setItem('test', new Array((i * 1024) + 1).join('a'));
}
} catch (e) {
localStorage.removeItem('test');
localStorage.setItem('size', i - 250);
}
}
Here's the gist, JSFiddle and blog post.
The script...
What is the difference between Reader and InputStream?
... When to use read() byte by byte and when to use read(byte[]) array of byte. As I think reading array is always better. then can you give me example where to use read() byte by byte OR read(byte[]) array of byte. OR BufferedInputStream.?
– Asif Mushtaq
...
How do I check if a string contains a specific word?
... use the answer in PHP, you can use this function:
function contains($str, array $arr) {
// Works in Hebrew and any other unicode characters
// Thanks https://medium.com/@shiba1014/regex-word-boundaries-with-unicode-207794f6e7ed
// Thanks https://www.phpliveregex.com/
if (preg_match(...
How to extract the n-th elements from a list of tuples?
...for extracting the second element from a 2-tuple list.
Also, added numpy array method, which is simpler to read (but arguably simpler than the list comprehension).
from operator import itemgetter
elements = [(1,1) for _ in range(100000)]
%timeit second = [x[1] for x in elements]
%timeit second =...
Get Image Height and Width as integer values?
...
getimagesize() returns an array containing the image properties.
list($width, $height) = getimagesize("path/to/image.jpg");
to just get the width and height or
list($width, $height, $type, $attr)
to get some more information.
...