How to solve ngClick Fires Twice on Button

In html side <a our-click="save()">Save</a> In angularjs side(JavaScript) .directive('ourClick', function() {     return function(scope, element, attrs) {        event.stopPropagation();          selement.bind('touchstart click', function(event) {          event.preventDefault();         ...

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What is passing by reference & passing by value?

state = false; changeState(state){ state = true; } log(state); In the above code If we are passing by value, output is false If we are passing by reference, out put is true. See the simple example :...

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Difference tilde(~) & caret(^), when we download the packages

Tilde(~) : Tilde matches the most recent minor version (the middle number). ~1.1.1 will match all 1.1.x versions but will miss 1.2.0. Caret(^) : Caret matches the most recent major version (the first number). ^1.1.1 will match any 1.x.x release including 1.2.0, but will hold off on 2.0.0. Note: Just use 0.0.x instead of ~0.0.0. The first is less obscu...

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Create log in nodejs

Logfile is a file that records either events that occur in an operating system or other software runs, or messages between different users of a communication software.Logging is the act of keeping a log. In the simplest case, messages are written to a single logfile. more... A simple node console and file logger suitable for small, medium and large projects.To this we need to install simple-node-logger node modules.To that type this in your command...

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Why ng-bind is better than {{}} in angular

If you are not using ng-bind, instead something like this {{text}}. You might see the actual {{text}} for a second before text is resolved (before the data is loaded). So you could do something like this<span ng-bind="text"> or <span ng-bind-html="text"&...

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Difference Between Arrays and Objects in JavaScript

Arrays  JavaScript arrays are used to store multiple values in a single variable, which can hold more than one value at a time. Arrays are a special type of objects, So typeof operator in JavaScript returns "object" for arrays. Arrays use numbered indexes.   Example: var names= ["Chanthan", "Jack", "Jhon"]; Arrays use numbers to access its "elements". For this example, names[0] returns Chanthan. Objects Objects use names to...

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Create Ionic App

Free and open source, Ionic offers a library of mobile-optimized HTML, CSS and JS components, gestures, and tools for building highly interactive apps. Built with Sass and optimized for AngularJS. more... Step 1First you need to install latest nodejs and python then set path variable also. Step 2I'm consider windows os. Open the command window and type thisnpm install...

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