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Replace all non-alphanumeric characters in a string
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Use \W which is equivalent to [^a-zA-Z0-9_]. Check the documentation, https://docs.python.org/2/library/re.html
Import re
s = 'h^&ell`.,|o w]{+orld'
replaced_string = re.sub(r'\W+', '*', s)
output: 'h*ell*o*w*orld'
update: This solution will exclude underscore as well. If you want only ...
Base64 encoding in SQL Server 2005 T-SQL
...o, there is no native function, this method has worked for me in the past:
http://www.motobit.com/help/scptutl/sa306.htm
so has this method:
http://www.vbforums.com/showthread.php?t=554886
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Is it possible to figure out the parameter type and return type of a lambda?
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How can I use if/else in a dictionary comprehension?
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What resources exist for Database performance-tuning? [closed]
... a fantastic repository on every type of performance problem imaginable on http://asktom.oracle.com. He usually takes the time to recreate specific problems and gives very detailed explanations.
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MFC中使用CSplitterWnd分割窗口后视图大小的问题 - C++ UI - 清泛IT社区，为创新赋能！
...件的大小。
3、如果出现了不该出现的滚动条，请参考：http://bbs.tsingfun.com/thread-888-1-1.html
4、窗口不能自适应？请参考：http://bbs.tsingfun.com/thread-865-1-1.html
CSplitterWnd基本使用方法参见：http://www.tsingfun.com/html/2016/dev_0427/1420.ht...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...TTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictionary *jsonDictionary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil];
request = nil;
// ....
}];
Update: got it to work with the keyword '_weak' instea...
关于jQuery的AJAX不兼容IE的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ar2"]} 转换为 "&foo=bar1&foo=bar2"。
代码片段:
var siteUrl="http://blog.sina.com.cn/cnwyt";
jQuery.ajax({
type: "get",
url: siteUrl+"cosmetics/product/ajax_check?",
//data: "bid="+my_bid+"&name_cn="+name_cn+"&timeStamp=" + new Date().getTime(),
data: {'bid':my_bid,'name_cn':name...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
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How can I check if a URL exists via PHP?
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Here:
$file = 'http://www.example.com/somefile.jpg';
$file_headers = @get_headers($file);
if(!$file_headers || $file_headers[0] == 'HTTP/1.1 404 Not Found') {
$exists = false;
}
else {
$exists = true;
}
From here and right below th...