Tutorial by Examples: for

If you do deployments, configure your applications on multiple servers and required to login to your servers and make some changes in infrastructure, applications, pre-requisits etc. then puppet can definitely help you. Except all this if you handle a big infrastructure and want a centralized manag...

Before you decide to work on puppet there are few things that you need to know. puppet work in both client-server architecture (widely used) as well single machine (specially for testing purpose) puppet master can only be configured on a linux machine (master machine/node), windows can b...

Android Studio -> Preferences -> Gradle -> Tick Offline work and then restart your Android studio. Reference screenshot:

// Mixin to generate hidden classes @mixin generate-hidden-classes { @each $bp in map-keys($grid-breakpoints) { .hidden-#{$bp} { @include media-breakpoint-only($bp) { display: none !important; } } } } // Call to the mixin @include generate-hidden-classes(...

@Component @Lazy public class Demo { .... .... } @Component public class B { @Autowired @Lazy // If this is not here, Demo will still get eagerly instantiated to satisfy this request. private Demo demo; ....... }

Form controls have some default styling without using any special classes. However labels and controls can be wrapped in .form-group tags for optimum spacing. <form> <div class="form-group"> <label for="input-email">Email address</label> &lt...

In some very specific scenarios we would feel the need to perform a specific action for each flag of the source enumeration. We can write a simple Generic extension method to realize this task. <DebuggerStepThrough> <Extension> <EditorBrowsable(EditorBrowsableState.Always)> Pu...

If different users need different datetime format then you may need to parse your incoming date string to actual date according to the format. In this case this snippet may help you. public class DateTimeBinder : DefaultModelBinder { public override object BindModel(ControllerContext control...

Authentication can be set for an specific APIView endpoint, by using the authentication_classes variable: from rest_framework.authentication import SessionAuthentication, BasicAuthentication from rest_framework.permissions import IsAuthenticated from rest_framework.response import Response ...

Rewrite Class File: Namespace/ModuleName/etc/di.xml <?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd"> <preference for="Ma...

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...

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...

class My_Plugin() { function __construct() { add_action( 'wp_enqueue_scripts', array( $this, 'init_fe_assets' ) ); } public function init_fe_assests() { wp_enqueue_style( 'my-plugin', plugin_dir_url( __FILE__ ) . 'assets/css/frontend/plugin.css', array(), '0.0.1', true ); ...

Once we have visual studio, we need a developer site to deploy apps to SharePoint. Simplest way is to get is > Sign up for a free, one year Office 365 developer account https://profile.microsoft.com/RegSysProfileCenter/wizardnp.aspx?wizid=14b845d0-938c-45af-b061-f798fbb4d170&lcid=1033 Once ...

npm install sqlite3 --build-from-source --runtime=node-webkit --target_arch=ia32 --target= target is important. ex:0.16.1 npm rebuild Create a folder for sqlite db. Remember sequalize.sync();

Large scale applications often need different properties when running on different environments. we can achieve this by passing arguments to NodeJs application and using same argument in node process to load specific environment property file. Suppose we have two property files for different enviro...

Inbound filter is applied when item is added to the search index and allows to specify whether item is included to the index or not. Examples when inbound filter can be used - do not include standard values and previous versions of the item in the index. Inbound filters are set in configuration: ...

Outbound filter can be used to filter the search results. One of the examples of outbound filter usage is removing items which user doesn't have access to from search results. Outbound filters are set in the configuration: <indexing.filterIndex.outbound> <processor type="Sitecore....

When reading a potentially large file, a while loop has a significant memory advantage over foreach. The following will read the file record by record (by default, "record" means "a line", as specified by $/), assigning each one to $_ as it is read: while(<$fh>) { pri...

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 ...