Tutorial by Examples: if

Preview Different Screen Size (Devices) and Orientations

2.1.3 1. Preview Different Devices There is a preview panel at the right of the android studio. In thispanel there is a button with device name with which you are previewing the UI of your app like this . Click on small dropdown indicator of this and a floating panel will appear with all the pr...

android-studio • Getting started with android-studio

Decide if your device is static or not, using the accelerometer

Add the following code to the onCreate()/onResume() method: SensorManager sensorManager; Sensor mAccelerometer; final float movementThreshold = 0.5f; // You may have to change this value. boolean isMoving = false; float[] prevValues = {1.0f, 1.0f, 1.0f}; float[] currValues = new float[3]; ...

Android • SensorManager

Register beans only when a property or value is specified

A spring bean can be configured such that it will register only if it has a particular value or a specified property is met. To do so, implement Condition.matches to check the property/value: public class PropertyCondition implements Condition { @Override public boolean matches(ConditionC...

spring • Conditional bean registration in Spring

Using different (local) Nuget package sources using UI

It is common for company to set up it's own nuget server for distribution of packages across different teams. Go to Solution Explorer and click Right Mouse button then choose Manage NuGet Packages for Solution In window that opens click on Settings Click on + in top right corner the...

.NET Framework • NuGet packaging system

Locking modules to specific versions

By default, npm installs the latest available version of modules according to each dependencies' semantic version. This can be problematic if a module author doesn't adhere to semver and introduces breaking changes in a module update, for example. To lock down each dependencies' version (and the ve...

Node.js • npm

Identifiers & Identifier Names

With regards to reserved words there is a small distinctions between the "Identifiers" used for the likes of variable or function names and the "Identifier Names" allowed as properties of composite data types. For example the following will result in an illegal syntax error: va...

JavaScript • Reserved Keywords

$IFS

Contains the Internal Field Separator string that bash uses to split strings when looping etc. The default is the white space characters: \n (newline), \t (tab) and space. Changing this to something else allows you to split strings using different characters: IFS="," INPUTSTR="a,b,c...

Bash • Internal variables

Registering App ID for use with Push Notifications

Things you need A paid Apple Developer Program Membership A valid App ID and identifier for you app (like com.example.MyApp) which is not used before anywhere Access to developer.apple.com and Member Center An iOS Device to test (as Push Notifications don't work on Simulator) Enabling t...

iOS • Push Notifications

Uniforms

Uniforms are per program state. Every shader program has its own uniform state and its own locations.

webgl • State

Check if the product was correctly loaded

$productFound = ($product->getId() !== null)

magento • Get Products from Database

difference between two commit or branch

To view difference between two branch git diff <branch1>..<branch2> To view difference between two branch git diff <commitId1>..<commitId2> To view diff with current branch git diff <branch/commitId> To view summary of changes git diff --stat <branch/com...

Git • Git Diff

Animate at a specified interval (add a new rectangle every 1 second)

This example adds a new rectangle to the canvas every 1 second (== a 1 second interval) Annotated Code: <!doctype html> <html> <head> <style> body{ background-color:white; } #canvas{border:1px solid red; } </style> <script> window.onload=(functio...

html5-canvas • Animation

Animate at a specified time (an animated clock)

This example animates a clock showing the seconds as a filled wedge Annotated Code: <!doctype html> <html> <head> <style> body{ background-color:white; } #canvas{border:1px solid red; } </style> <script> window.onload=(function(){ // canva...

html5-canvas • Animation

Right shift of a negative integer

int signed_integer = -1; // The right shift operation exhibits implementation-defined behavior: int result = signed_integer >> 1;

C Language • Implementation-defined behaviour

Set custom notification icon using `Picasso` library.

PendingIntent pendingIntent = PendingIntent.getActivity(context, uniqueIntentId, intent, PendingIntent.FLAG_CANCEL_CURRENT); final RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.remote_view_notification); remoteViews.setImageViewResource(R.id.remote...

Android • Notifications

Select element using its ID without the high specificity of the ID selector

This trick helps you select an element using the ID as a value for an attribute selector to avoid the high specificity of the ID selector. HTML: <div id="element">...</div> CSS #element { ... } /* High specificity will override many selectors */ [id="element&quo...

CSS • Selectors

Simple method call verification

One can verify whether a method was called on a mock by using Mockito.verify(). Original mock = Mockito.mock(Original.class); String param1 = "Expected param value"; int param2 = 100; // Expected param value //Do something with mock //Verify if mock was used properly Mockito.veri...

mockito • Verify method calls

Android: Internal and External Storage - Terminology Clarification

Android developers(mainly beginners) have been confused regarding Internal & External storage terminology. There are lot of questions on Stackoverflow regarding the same. This is mainly because of the fact that terminology according to Google/official Android documentation is quite different to...

Android • Storing Files in Internal & External Storage

Identifier for vendor

iOS 6 Within a single line, we can get an UUID like below: Swift let UDIDString = UIDevice.currentDevice().identifierForVendor?.UUIDString Objective-C NSString *UDIDString = [[[UIDevice currentDevice] identifierForVendor] UUIDString]; The identifierForVendor is an unique identifier that st...

iOS • UUID (Universally Unique Identifier)

Retrieve Specified User's Out of Office Settings

First let's create an ExchangeManager object, where the constructor will connect to the services for us. It also has a GetOofSettings method, which will return the OofSettings object for the specified email address : using System; using System.Web.Configuration; using Microsoft.Exchange.WebServic...

C# Language • Microsoft.Exchange.WebServices