Tutorial by Examples: b

There are many ways to backup an Alfresco system. It is important that you backup the database as well as the content store. You may also want to back up the Solr indices. Assuming you installed using the binary installer, and everything lives in $ALRESCO_HOME, you can backup the database like this...

A behavior based animation allows you to specify that when a property changes the change should be animated over time. ProgressBar { id: progressBar from: 0 to: 100 Behavior on value { NumberAnimation { duration: 250 } } } In this example ...

content-model.xml : .... <constraints> <constraint name="my:aConstraintList" type="x.y.z.project.model.constraint.AConstraintList"> </constraint> .... <property name="my:aValue"> <title>My Value</title> <typ...

AbsoluteLayout positions and sizes child elements proportional to its own size and position or by absolute values. Child views may be positioned and sized using proportional values or static values, and proportional and static values can be mixed. A definition of an AbsoluteLayout in XAML looks l...

Authentication in Django REST Framework can be configured globally as a subkey of the REST_FRAMEWORK variable in settings.py, just like the rest of the default framework configurations. REST_FRAMEWORK = { 'DEFAULT_AUTHENTICATION_CLASSES': ( 'rest_framework.authentication.BasicAuthen...

Django REST Framework provides a basic token-based authentication mechanism which needs to be configured as an application in Django before being usable, so that tokens are created in the database, and their lifecycle handled. Add Token-based authentication to settings.py INSTALLED_APPS = ( ...

The most interesting package for managing real tokens is django-rest-knox which supports multiple tokens per user (and cancelling each token independently), as well as having support for token expiration and several other security mechanisms. django-rest-knox depends on cryptography. You can find m...

A simple example of Vehicle hierarchy can be taken for single table inheritance strategy. Abstract Vehicle class: package com.thejavageek.jpa.entities; import javax.persistence.DiscriminatorColumn; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persi...

This sample uses a ToDataReader method described here Creating a Generic List DataReader for SqlBulkCopy. This can also be done using non-async methods. public class Widget { public int WidgetId {get;set;} public string Name {get;set;} public int Quantity {get;set;} } public as...

This sample uses a ToDataReader method described here Creating a Generic List DataReader for SqlBulkCopy. This can also be done using async methods. public class Widget { public int WidgetId {get;set;} public string Name {get;set;} public int Quantity {get;set;} } public void A...

constructor(fb: FormBuilder) { this.form = fb.group({ firstInput: ['', Validators.compose([Validators.required, CustomValidators.cannotContainSpace]), CustomValidators.shouldBeUnique], secondInput: ['', Validators.required] }); } Here we use the FormBuilder to crea...

find(query).projection(fields).cursorType(CursorType.TailableAwait).iterator(); That code applies to the MongoCollection class. CursorType is an enum and it has the following values: Tailable TailableAwait Corresponding to the old (<3.0) DBCursor addOption Bytes types: Bytes.QUERYOPTION...

This API, sometimes also referred to as "API v3", "YouTube Data API v3" or just "YouTube API", is the most commonly used YouTube API. It enables an application to read, alter, add or delete data related to videos, playlists and channels. This includes, but is not limite...

These APIs are used to query for video and channel analytics, like views/clicks and votes.

An AWS-Lambda function can be attached to a certain bucket event. Whenever a file/folder is created or removed, an event can trigger lambda function execution. A simple Lambda function to print the name of an uploaded File This is a one class lambda project to print the name of an uploaded file. ...

When it comes to validate some rules which are not generic data validation e.g ensuring a field is required or some range of values but they are specific to your business logic then you can create your own Custom Validator. To create a custom validation attribute, you just need to inherit Validation...

In your functions.php you can register new sidebars with this code /** * Registers sidebars * * @param array Array with default or specified array values * @since 1.0.0 */ if ( function_exists( 'register_sidebar' ) ) { register_sidebar( array ( 'name' => e...

Step 1: Install Node.js The build pipeline you will be building is based in Node.js so you must ensure in the first instance that you have this installed. For instructions on how to install Node.js you can checkout the SO docs for that here Step 2: Initialise your project as an node module Open y...

It is possible to send a message or data to all avaible connections. This can be achieved by first initializing the server and then using the socket.io object to find all sockets and then emit as you normally would emit to a single socket var io = require('socket.io')(80) // 80 is the HTTP port io...

It is possible to emit a message or data to all users except the one making the request: var io = require('socket.io')(80); io.on('connection', function (socket) { socket.broadcast.emit('user connected'); });