As you proceed using TypeScript in large projects, you will end up with multiple typescript files. Then you may find a problem how we can use/import functions/classes from other files.
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TypeScript allows to define namespaces for logical grouping of code. Older versions of typescript use the keyword module while newer version can also used the keyword namespace which can be used in place of module keyword.
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TypeScript supports overloading of functions/constructor, but not in the same way as in .Net. Since JavaScript does not provide support of overloading itself, TypeScript enforces strong typing against the various overload signatures at design time, the function name is the same, but the signature of each overload (i.e. their name and parameters, but not the return type) is different. But we still have to write a generalized function that could work in generated JavaScript code, that is compatible with all overloads signatures, and will have only one function implementation.
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Function document.getElementsByTagName() returns NodeListOf<Element>, Where Element is more generic type extends from type Node. Since TypeScript used lib.d.ts declaration file to recognize native javascript functions and properties, you can find this function's multiple signatures in lib.d.ts with different tag names, each have different return type. For example, document.getElementsByTagName("h1") will return NodeListOf<HTMLHeadingElement>.
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Internationalization enables the web application for greater usability for various languages and regions without re-designing your application specifically for each locale. In this post I will discuss how you can enable web application for internationalization using PHP Yii2 framework.
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In this post, I will explain how to install Yii2 framework on Windows, with XAMPP as PHP development environment.
First you have to install XAMPP you can find here: XAMPP Installer
You can install Yii2 framework by two ways:
Install Using Composer
Install Manually
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AngularJS default filter enables us to filter items list according to a specified input text. By definition, It selects a subset of items from array and returns it as a new array.
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To add internationalization to our demo app we can use a third-party module called angular-translate, you can download from https://github.com/angular-translate/bower-angular-translate/releases.
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AngularJS Filters helps to filter/format data to be displayed to the users. Mostly filers are used in data binding expressions in HTML templates, but you can also use inside controllers, services and directives.
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AngularJS Scope provides support to broadcast events and handle them. We may want to wait for an event to execute some other activity, e.g. waiting for particular data to be received from an AJAX request.
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