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How to validate phone numbers using regex
...ing fluff until you have just the "number". Doing this solves 2 problems - testing the result is now easy and you can now ensure that values rendered back out for display can all be formatted consistently. The first comment on this answer about the "Complicator's Gloves" is a good read... sometimes...
Difference between objectForKey and valueForKey?
...ver be faster than objectForKey: (on the same input key) although thorough testing I've done imply about 5% to 15% difference, over billions of random access to a huge NSDictionary. In normal situations - the difference is negligible.
Next: KVC protocol only works with NSString * keys, hence valueF...
How slow are .NET exceptions?
...evolves around them being slow while the other side claims (with benchmark test) that the speed is not the issue. I've read numerous blogs, articles, and posts pertaining one side or the other. So which is it?
...
How can I use a carriage return in a HTML tooltip?
...
The latest specification allows line feed character, so a simple line break inside the attribute or entity 
 (note that characters # and ; are required) are OK.
...
When creating HTML emails, should we use html, head, body tags?
...
-1 The right way is to test it in the relevant clients. While mail clients should follow the standards, virtually none of them do.
– Dan Blows
Jan 6 '12 at 17:50
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How to convert QString to std::string?
...he first is incorrect, the second is perfect. You need an utf8 terminal to test this.
– Notinlist
Dec 13 '11 at 22:24
3
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How to remove elements from a generic list while iterating over it?
...e(i));
Alternately, you can use the RemoveAll method with a predicate to test against:
safePendingList.RemoveAll(item => item.Value == someValue);
Here's a simplified example to demonstrate:
var list = new List<int>(Enumerable.Range(1, 10));
Console.WriteLine("Before:");
list.ForEach(...
How can I pass a member function where a free function is expected?
... char * argv[])
{
...
aClass a;
auto fp = std::bind(&aClass::test, a, _1, _2);
function1(fp);
return 0;
}
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follow
...
pass post data with window.location.href
...direct.js"
$("#btn_id").click(function(){
$.redirect(http://localhost/test/test1.php,
{
user_name: "khan",
city : "Meerut",
country : "country"
});
});
});
see https://github.com/mgalante/jquery.redirect
...
How to insert text into the textarea at the current cursor position?
.../setRangeText
I'm not sure about the browser support for this though.
Tested in Chrome 81.
function typeInTextarea(newText, el = document.activeElement) {
const [start, end] = [el.selectionStart, el.selectionEnd];
el.setRangeText(newText, start, end, 'select');
}
document.getEle...