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What is a regular expression which will match a valid domain name without a subdomain?

...many valid edge cases that I have missed): ^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9\-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$ When choosing a domain validation regex, you should see if the domain matches the following: xn--stackoverflow.com stackoverflow.xn--com stackov...
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Django : How can I see a list of urlpatterns?

...to install django-extensions, add it to your settings like this: INSTALLED_APPS = ( ... 'django_extensions', ... ) And then, run this command in your terminal ./manage.py show_urls For more information you can check the documentation. ...
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momentJS date string add 5 days

....4 - use .add(5, 'd') (or .add(5, 'days')) instead of .add('d', 5) var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days'); Thanks @Bala for the information. UPDATED: March 21, 2014 This is what you'd have to do to get that format. Here's an updated fiddle startdate = "20.03.2014"; var ...
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?

...mport scala.reflect.Manifest private var map= Map.empty[Any,(Manifest[_], Any)] def register[T](name: Any, item: T)(implicit m: Manifest[T]) { map = map.updated(name, m -> item) } def get[T](key:Any)(implicit m : Manifest[T]): Option[T] = { map get key flatMap { ca...
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How to hide keyboard in swift on pressing return key?

...miss the keyboard using the following function func textFieldShouldReturn(_ textField: UITextField) -> Bool { self.view.endEditing(true) return false } Here is a full example to better illustrate that: // // ViewController.swift // // import UIKit class ViewController: UIViewContro...
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Eclipse: Enable autocomplete / content assist

... Change the default in Auto activation triggers for Java to ._abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ stackoverflow.com/questions/1959946/… – ftvs Nov 6 '13 at 3:52 ...
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What is C# analog of C++ std::pair?

...ect Here is my pair class public class Pair<X, Y> { private X _x; private Y _y; public Pair(X first, Y second) { _x = first; _y = second; } public X first { get { return _x; } } public Y second { get { return _y; } } public override bool E...
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How to get current page URL in MVC 3

... copy/paste from that ILSpy view: public Uri Url { get { if (this._url == null && this._wr != null) { string text = this.QueryStringText; if (!string.IsNullOrEmpty(text)) { text = "?" + HttpEncoder.CollapsePercentUFromStringInternal(text, thi...
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Error: No default engine was specified and no extension was provided

...ne); this.engine = engines[ext] || (engines[ext] = require(ext.slice(1)).__express); this.path = this.lookup(name); } You must have installed a default engine Express search default layout view by program.template as you can read below: mkdir(path + '/views', function(){ switch (progr...
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How to launch Safari and open URL from iOS app

... @g_fred. Why would he not be able to include a Swift version? – ericgu Mar 24 '15 at 13:21 2 ...