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break out of incomplete expression

When you have entered something into IEx which expects a completion, such as a multiline string, IEx will change the prompt to indicate that it is waiting for you finish by changing the prompt to have an ellipsis (...) rather than iex. If you find that IEx is waiting for you to finish an expression...

Integrate Firebase Real-Time database with an Android application

How to implement Firebase Real-Time database in Android applications. Setup/Installation: First, install the Firebase SDK (guide) Register your project using the Firebase console After successfuly completing the two steps above, add the following dependency in your application level ...

Loading All The Plugins from Package.JSON

Assuming , you have a grasp of how to install gulp, let us dive right down to requiring all the gulp- dependencies from package.json under your projects root folder. In case you do not have a gulpfile yet , please create an empty file with the name gulpfile.js First , we require gulp. like so: v...

Installing Plugins for Responsive images|Css Minification|Js minification

Our goal , is to Make your Images conform to widths and scale appropriately, by generating a battery of images of varied widths, and to minify them Lint your Javascript Minimize your assets - JS/CSS/HTML , thus enabling you to host a lighter than lightest code Watch the css/js/image files for ...

Anatomy of a gulp function

[Function <name>] (glob) { $.src(glob) .pipe([plugin 1]) .pipe([plugin 2]) . . . .pipe([plugin n]) .pipe( $.dest(<destination-name>) } Note pipe is a method that streams all the files matching the glob input , to our plugins( minifyhtml in this case) . It is simple ...

Asset Optimization and Minification

So, Before writing out optimiser functions , we need to install a couple of caching plugins. bash $ npm install --save-dev gulp-cached bash $ npm install --save-dev gulp-remember You might wonder why two caches eh!. gulp-cached , passes only modified or new content down the pipeline to other ...

Anatomy of a gulp task

The anatomy of a task definition is like so: $.task(<taskname> , [dependencies] , <body>); dependencies , is an array of tasks that HAVE to finish before the current task you are defining , runs. More like forcing a synchronous execution instead of the default Asynchronous functionalit...

Setting up Browser sync And Configuring Watchers for Style and Script

NOTE This page illustrates use of gulp plugins like browser-sync , gulp-watch and run-sequence , and continues discussing gulp-workflow-automation from where we left off at Gulpjs-workflow-automation-1 of 2. In case you landed here , consider going through that post first. Default Task ...

Scan for access points

This example scans for available access points and ad hoc networks. btnScan activates a scan initiated by the WifiManager.startScan() method. After the scan, WifiManager calls the SCAN_RESULTS_AVAILABLE_ACTION intent and the WifiScanReceiver class processes the scan result. The results are displaye...

How to create a workspace

Go to File -> Switch Workspace -> Other... and type in your new workspace name.

Debug on iOS device using USB

Disable Private Browsing Open your device’s Safari settings and ensure that Private Browsing is turned off. Remote debugging will not work if Private Browsing is enabled. Enable Web Inspector Tap the Advanced tab on your device’s Safari settings and ensure that Web Inspector is turned on....

Double Tap

private float minScale = 1f; private float doubleTapScale = 2f; private float maxScale = 4f; private void SetUpDoubleTapZoom() { imageViewToZoom.ContentMode = UIViewContentMode.ScaleAspectFit; scrollView.MaximumZoomScale = maxScale; scrollView.MinimumZoomScale = minScale; ...

Pinch gesture zoom

private float minScale = 1f; private float maxScale = 4f; private void SetUpPinchGestureZoom() { imageViewToZoom.ContentMode = UIViewContentMode.ScaleAspectFit; scrollView.MaximumZoomScale = maxScale; scrollView.MinimumZoomScale = minScale; scrollView.ViewForZoomingInS...

Button items

<div class="list-group"> <button type="button" class="list-group-item">Cras justo odio</button> <button type="button" class="list-group-item">Dapibus ac facilisis in</button> <button type="button" c...

Contextual classes

<ul class="list-group"> <li class="list-group-item list-group-item-success">Dapibus ac facilisis in</li> <li class="list-group-item list-group-item-info">Cras sit amet nibh libero</li> <li class="list-group-item list-group-...

Custom content

<div class="list-group"> <a href="#" class="list-group-item active"> <h4 class="list-group-item-heading">List group item heading</h4> <p class="list-group-item-text">...</p> </a> </div>...

MvvmCross Installation

Installing mvvmcross with nugget: Search for mvvmcross in the "Manage Nugget Packages" window. Installing mvvmcross with Package Manger Console: PM> Install-Package MvvmCross Make sure to install it on both your PCL (Portable Class Library) and you application project. As the...

What's mvvmcross

Mvvmcross is an open source MVVM platform that comes to solve our problems while developing cross platform applications (such as Android, Windows Phone, IOS, etc...). The main problem is, that every platform has its own specifics, but the business logic of your application is likely to be the same ...

Filter out multiple combinations of values

Lets say you want to filter a query by two columns, but only certain combinations of those columns. For example, it's OK to have account 60400 with reference JE, but you cannot have account 60400 with reference ED, but you can have account 60500 with reference ED. select * from schema.table where ...

Using AntiForgeryToken with Jquery Ajax Request

First off you create the form @using (Html.BeginForm()) { @Html.AntiForgeryToken() } Action Method [HttpPost] [ValidateAntiForgeryToken] public ActionResult Test(FormViewModel formData) { // ... } Script <script src="https://code.jquery.com/jquery-1.12.4.min.js"&g...

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