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How to open link in new tab on html?

... Set the 'target' attribute of the link to _blank: <a href="#" target="_blank" rel="noopener noreferrer">Link</a> Edit: for other examples, see here: http://www.w3schools.com/tags/att_a_target.asp (Note: I previously suggested blank instead of _blank beca...
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How to call a parent method from child class in javascript?

...cessing the parent constructor's prototype methods is possible through the __proto__ property (I am pretty sure there will be fellow JS coders to complain that it's depreciated) which is depreciated but at the same time discovered that it is actually an essential tool for sub-classing needs (especia...
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What is the curiously recurring template pattern (CRTP)?

...uality<Derived> const & op2) { Derived const& d1 = static_cast<Derived const&>(op1);//you assume this works //because you know that the dynamic type will actually be your template parameter. //wonderful, isn't it? Derived const& d2 = static_cast<De...
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Stop all active ajax requests in jQuery

...ajax call in function how can I abort it ? – Kalariya_M Oct 28 '17 at 5:13 ...
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private[this] vs private

...nt type T occurs in contravariant position in type Option[T] of value value_= class Holder[+T] (initialValue: Option[T]) { This error occurs because value is a mutable variable on the covariant type T (+T) which is normally a problem unless marked as private to the instance with private[this...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

...g a method call may make it slower... function StringBuilder() { this._array = []; this._index = 0; } StringBuilder.prototype.append = function (str) { this._array[this._index] = str; this._index++; } StringBuilder.prototype.toString = function () { return this._array.join('')...
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How do I change the working directory in Python?

... """Context manager for changing the current working directory""" def __init__(self, newPath): self.newPath = os.path.expanduser(newPath) def __enter__(self): self.savedPath = os.getcwd() os.chdir(self.newPath) def __exit__(self, etype, value, traceback): ...
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

... was running, however, there was a permission issue. Running sudo chown -R _mysql:mysql /usr/local/var/mysql && sudo brew services restart mysql@5.7 solved the issue – FooBar Oct 26 '18 at 14:08 ...
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Why is sed not recognizing \t as a tab?

... by sh. For example, the following code from a shell script will add $TEXT_TO_ADD, without prepending it by a tabulation: sed "${LINE}a\\ $TEXT_TO_ADD " $FILE . – Dereckson Jan 23 '13 at 21:16 ...
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?

... readonly attribute on the form field: class ItemForm(ModelForm): def __init__(self, *args, **kwargs): super(ItemForm, self).__init__(*args, **kwargs) instance = getattr(self, 'instance', None) if instance and instance.pk: self.fields['sku'].widget.attrs['rea...