Tutorial by Examples: ar

Sometimes, you need to output to more than one index in ElasticSearch, or have a custom mapping you want to apply to new indices as they roll in. There are two ways to apply a custom mapping. One way, is to upload an ElasticSearch template. See the ElasticSearch documentation for that. The other ...

Always use Named Arguments to optional parameters, to avoid potential bugs when the method is modified. class Employee { public string Name { get; private set; } public string Title { get; set; } public Employee(string name = "<No Name>", string title = "&lt...

You can customize the appearance of the TextInputLayout and its embedded EditTextby defining custom styles in your styles.xml. The defined styles can either be added as styles or themes to your TextInputLayout. Example for customizing the hint appearance: styles.xml: <!--Floating label text st...

You can load AngularJS services in vanilla JavaScript using AngularJS injector() method. Every jqLite element retrieved calling angular.element() has a method injector() that can be used to retrieve the injector. var service; var serviceName = 'myService'; var ngAppElement = angular.element(do...

As per the Go blog: Arrays do not need to be initialized explicitly; the zero value of an array is a ready-to-use array whose elements are themselves zeroed For example, myIntArray is initialized with the zero value of int, which is 0: var myIntArray [5]int // an array of five 0's: [0, 0,...

To call this code you should create the jar of your scala code. Than you have to call your spark submit like this: spark-submit --master yarn-client --jars ./my-scala-code.jar --driver-class-path ./my-scala-code.jar main.py This will allow you to call any kind of scala code that you need in your...

Ant provides some built-in properties Property NameValuebasedirthe absolute path of the project's basedirant.filethe absolute path of the buildfile.ant.versionthe version of Antant.project.default-targetthe name of the currently executing project's default targetant.project.namename of the projecta...

One of the major use case when a developer needs to take mutability into account is when passing arguments to a function. This is very important, because this will determine the ability for the function to modify objects that doesn't belong to its scope, or in other words if the function has side ef...

Gradle (All Versions) This method works for all versions of gradle Add the buildscript code at the beginning of your build.gradle file. buildscript { repositories { maven { url "https://plugins.gradle.org/m2/" } } dependencies { classpath "org.example...

Gradle (All Versions) When adding multiple third party plugins you do not need to separate them into different instances of the buildscript(All) or plugin(2.1+) code, new plug ins can be added alongside pre-existing plugins. buildscript { repositories { maven { url "https://plu...

When using d3.request() or one of the convenience constructors (d3.json, d3.csv, d3.tsv, d3.html and d3.xml) there are many sources for error. There may be problems with the issued request or its response due to network errors, or the parsing might fail if the content is not well-formed. Within the...

Code function add_the_theme_page(){ add_menu_page('Theme page title', 'Theme menu label', 'manage_options', 'theme-options', 'page_content', 'dashicons-book-alt'); } add_action('admin_menu', 'add_the_theme_page'); function page_content(){ echo '<div class="wrap"><h2&...

Code add_action('admin_menu', 'register_my_custom_submenu_page'); function register_my_custom_submenu_page() { add_submenu_page( 'tools.php', 'Submenu Page', 'My Custom Submenu Page', 'manage_options', 'my-custom-submenu-page', 'my_cust...

Code <p><?php echo esc_html( sprintf( __( 'Character set: %s', 'textdomain' ), get_option( 'blog_charset' ) ) ); ?></p> Output Character set: UTF-8

Area The term used in Debian Policy for the main, contrib, and non-free divisions. Architecture The type of system a piece of software is built for. Such as amd64, i386, armel, s390x, powerpc, armhf, mips, AArch64, POWER. Binary package An installable .deb file Source package A unit of upstr...

Html.TextBox() @Html.TextBox("Name", null, new { @class = "form-control" }) output:<input class="form-control" id="Name"name="Name"type="text"value=""/> @Html.TextBox("Name", "Stack Overflow", new { ...

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Navigate to project's app module and create libs directory. Place your .aar file there. For example myLib.aar. Add the code below to android block of app level's build.gradle file. repositories { flatDir { dirs 'libs' } } This way you defined a new ext...

Sometimes you would want to start or remove an action on a specific node at a certain time. For example, you might want to stop a moving object when the user taps the screen. This becomes very helpful when a node has multiple actions and you only wants to access one of them. let move = SKAction.mov...

Code echo get_permalink(); Output The link of the current page, for example: http://website.com/category/name-of-post/