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How to validate an e-mail address in swift?
...id
let regex = try! NSRegularExpression(pattern: "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$", options: .caseInsensitive)
return regex.firstMatch(in: self, options: [], range: NSRange(locat...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...e/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http://www.example.com:80 -> Success (default port for HTTP)
http://www.example.com:2251 -> Failure: different port
http://data.example.com/dir/other.html -...
snprintf and Visual Studio 2010
... written).
Suggested fallback for VS 2005 and up:
#if defined(_MSC_VER) && _MSC_VER < 1900
#define snprintf c99_snprintf
#define vsnprintf c99_vsnprintf
__inline int c99_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap)
{
int count = -1;
if (size != 0)
...
Preventing form resubmission
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@Rpant on chrome the php file that sends the location header doesn't even show up in the browser history, so the back button simply takes you back to the form.
– FluorescentGreen5
May 5 '17 at 12:03
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How to pass parameters correctly?
...o the caller, then you should pass by lvalue reference:
void foo(my_class& obj)
{
// Modify obj here...
}
If your function does not need to modify the original object, and does not need to create a copy of it (in other words, it only needs to observe its state), then you should pass by lv...
Using jquery to get element's position relative to viewport
... xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop) {
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft;
} else if (document.body) {// all other Explorers
yScroll = do...
如何设置squid使外网也可以通过代理服务器上网，并且使用代理服务器的ip地...
...chy_stoplist -i ^https:\\ ?
acl QUERY urlpath_regex -i cgi-bin \? \.asp \.php \.jsp \.cgi
acl QUERY urlpath_regex cgi-bin .php .cgi .avi .wmv .rm .ram .mpg .mpeg .zip .exe
cache deny QUERY
acl denyssl urlpath_regex -i ^https:\\
no_cache deny QUERY
no_cache deny denyssl
ipcache_size 1024
ipca...
In Rails, how do you render JSON using a view?
....
RABL is available via a gem or check out the GitHub repository; good examples too
https://github.com/nesquena/rabl
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How to output only captured groups with sed?
Is there any way to tell sed to output only captured groups? For example given the input:
8 Answers
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How to strip all non-alphabetic characters from string in SQL Server?
...h those changes your function still might be faster, but those are a few examples I can see where his function might perform slower for you in your situation.
– EricI
May 31 at 2:45
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