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Scala Tutorial (12) List Operation Advanced Advance combat 1 List Basic Operation 1.1 List Composition Structure The array is composed of the head tail two parts: head represents the first element, and tail represents the other elements. Val bigdata = List ("Hadoop", "Spark") val data = List (1,2,3) //array consists of head tail two parts: head represents the first element, tail represents other elements Val bigdatacore = "Hadoop"

PHP Array_slice () Function Example Tutorial Definitions and usage The Array_slice () function returns the selected part of the array. Grammar Array_slice (Array,start,length,preserve) parameter description array required. Specifies an array start length preserve

the Lightbox of CSS tutorial the definition of HTML and body tags for CSS tutorialsPart I video Part II video Content: One or 100% of the adaptive height to set both HTML and body tags. Second, the scope of the HTML tag is equal to the body label scope plus scroll bar. Release time: 2007.3.2 the definition of the HR tag in the CSS tutorialVideo Address Definition of table tags for CSS tutorialsThe first lecture video second lecture video third

Tutorial First with a soft brush in a new layer to draw a point, the size of the point according to individual needs to adjust, the example of the point will draw the above figure. Now use the Smudge tool, you need to use a hard brush to finish, the goal is not to drag the tail too long, but also according to the individual needs to adjust the length. When you think the length of the tail is appropriate, copy the layer and hide it at

dreamweaver| Tutorial New typography FeaturesThe previous function of exchanging layers with tables is a stroke, because in DW4, a new layout typesetting function is introduced, which enables more direct and convenient layout of the page. There are four buttons at the bottom of the object panel:Standard view (Standard view): The default state of views;Typesetting view (Layout view): Into the layout view, this is to introduce the function;When the butt

dreamweaver| Tutorial | link hyperlink, short link, is a one-way relationship between page and page. By clicking on the link, we can jump from one page to another. We can create links in text and pictures. 1, Text link In the page, select the text you want to link to, as shown in the following figure: Link in the property panel, fill in the link address, when the viewer clicks on the link, the browser will jump back to the page, for example,

dreamweaver| Tutorial | Page Suppose now we are inserting the following picture: Click the picture and open the Properties panel (CTRL+F3) to see the status of the following diagram: 1, the picture's thumbnail and picture's size. 2, the long width of the picture, if the picture is longer than the size of the original image is inconsistent, the numbers here are shown in bold; Click on a picture, you can see the picture will be trapped in a bo

This article is part of the Linux Shell Series Tutorial series, which includes the following 18 parts: Linux Shell Series Tutorial (a) Shell introduction Linux Shell Series Tutorial (ii) the first shell script Linux Shell Series Tutorial (c) Shell variables Shell comments for the Linux Shell Series

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Build and install a graphic tutorial in a non-integrated php runtime environment (Apache configuration, Mysql ,. Php runtime environment (Apache configuration, Mysql) for non-integrated environment installation graphic tutorial, this article shares with you the php runtime environment installation graphic tutorial for your reference, the specific content is not a

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PHP MySQL database operation tutorial in this tutorial three examples are about PHP operation MySQL Database tutorial, one is to connect MySQL database, the second is to query the database field name, the third is to query database records. PHP Tutorial MySQL Tutorial databa

PHP object-oriented programming (video tutorial ). Object-oriented programming (ObjectOrientedProgramming, OOP, object-oriented programming) is a computer programming architecture, one of the basic principles of OOP is that a computer program is a computer Programming architecture composed of a single program capable of object-oriented Programming (Object Oriented Programming, OOP, object-oriented Programming, one basic principle of OOP is that a comp

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Zend Framework Tutorial Zend_db_table Table Association example, zendzend_db_table This example describes the Zend_db_table Table association usage in the Zend Framework. Share to everyone for your reference, as follows: Introduced: In RDBMS, there are various relationships between tables, with a lot of correspondence, a lot of correspondence, and so on. The Zend Framework provides some ways to facilitate our implementation of these relationships. De

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This tutorial describes how to use psto create an exquisite blue hexagonal crystal icon. the icons produced in this tutorial are still very beautiful and the method is not very difficult. new users can come and learn how to create them, it is recommended that you like to come and learn it together. this tutorial introduces the process of creating a blue hexagonal

PHP image processing tutorial (13 ). PHP image processing Getting Started Tutorial This php image generation tutorial is a php Tutorial from generating a simple image to generating a complex image, in a simple way, there are 12 image generation instances. PHP image processing Getting Started

Zend Framework Tutorial Zend_layout Layout Assistant detailed, zendzend_layout This example describes the Zend_layout layout assistant of the Zend Framework tutorial. Share to everyone for your reference, as follows: First, the role The role of the layout is similar to that of a template. It can be thought that the common and common part of the website is taken out as a common page framework. For example,

Application and bootstrap usage of the Zend framework tutorial, Zendbootstrap This example describes the application and bootstrap usages of the Zend Framework tutorial. Share to everyone for your reference, as follows: In an MVC application, we need to initialize the database link, configure the View and view assistant, configure the layout, register the relevant plugins, register the Action Assistant, an