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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?

... a button, the value become TRUE self.isSearchContentValid(true); }; Now on your HTML you should do this <p data-bind = "visible:isSearchContentValid() === false"> Text 1</p> <p data-bind = "visible:isSearchContentValid"> Text 2</p> When the program starts only "Text...
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What's the absurd function in Data.Void useful for?

... version of the standard pipes type from Gabriel Gonzales' Pipes library. Now, we can encode a pipe that never yields (ie, a consumer) as type Consumer a r = Pipe a Void r this really never yields. The implication of this is that the proper fold rule for a Consumer is foldConsumer :: (r -> ...
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Get cookie by name

... is enclosed with "; " and "=": "; {name}={value}; {name}={value}; ..." Now, we can first split by "; {name}=", and if token is found in a cookie string (i.e. we have two elements), we will end up with second element being a string that begins with our cookie value. Then we pull that out from an ...
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Converting numpy dtypes to native python types

...) and also np.float(0).item(). In other words, for the cases where it is known what to do, support the .item() method even if it simply returns the same value. That way I could apply .item() on far more numpy scalars without special casing. As it is, seemingly parallel concepts differ due to unde...
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How to explain dependency injection to a 5-year-old? [closed]

... a HAS-A relationship between the employee and his address, that's fine. Now, this HAS-A relationship created a dependency between them. The problem comes within the constructor. Each time you want to create an Employee instance you need an Address instance: Address someAddress = .... Employee...
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Can we instantiate an abstract class?

...(String a[]) { My m = new My() {}; m.myMethod(); } } Now, compile both your source files: javac My.java Poly.java Now in the directory where you compiled the source code, you will see the following class files: My.class Poly$1.class // Class file corresponding to anonymous...
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Sort a single String in Java

...cuse for you at all. Your comment, and downvote, won't change anything for now. That's what I decided FOUR years ago, I don't see what's the point of bringing this up now :) – Maroun Apr 16 '18 at 8:13 ...
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How to create separate AngularJS controller files?

...trl1); // Inject my dependencies Ctrl1.$inject = ['$scope', '$http']; // Now create our controller function with all necessary logic function Ctrl1($scope, $http) { // Logic here } File Three // Here we get the module we created in file one angular.module('myApp.controllers') // We are addin...
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How to access session variables from any class in ASP.NET?

...ime myDate = MySession.Current.MyDate; MySession.Current.MyDate = DateTime.Now; This approach has several advantages: it saves you from a lot of type-casting you don't have to use hard-coded session keys throughout your application (e.g. Session["loginId"] you can document your session items by ...
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What's the easiest way to install a missing Perl module?

... IIRC the latest ActivePerl no longer has command-line ppm, it now opens a fancy GUI. – Kev Nov 8 '08 at 17:18 6 ...