scada basics

[MVC] basics and mvc Basics 1: The master page is placed in View/Shared, and all View pages can use the master page. ** The application of the motherboard needs to use nesting, @ RenderBody (); to display all the content of other webpages here, it is equivalent to a placeholder. 2: The architecture mode is the physical understanding of the project, which makes our program better. ** View: displays user d

Php Basics + jquery Basics 1. compile a function so that it can return the number of weeks between them based on the passed 2-year week number (including the two weeks passed in) 2. use JQuery to dynamically add the amount input box for each day in that range based on the selected date range, and display the cumulative value of all day amounts at the end. Reply to discussion (solution) 1. function

Html basics (1): html Basics OverviewHTML is a language that combines content and content display forms. It controls content display forms mainly through the attributes of tags (elements, as it has many drawbacks to the "content display form", CSS will appear later, which is equivalent to the attribute of HTML tags. HTML element formatEmpty element. Example: Empty element with attribute. Example: Element wi

Sass BASICS (IV) and sass Basics When you want to set the attribute value, you can use a string to insert it. Another usage is to build a selector.@ Mixin generate-sizes ($ class, $ small, $ medium, $ big ){. # {$ Class}-small {font-size: $ small ;}. # {$ Class}-medium {font-size: $ medium}. # {$ Class}-big {font-size: $ big ;}}@ Include gencerate-sizes ("header-text", 12px, 20px, 40px );Compiled css. Heade

IOS program cracking-ARM Assembly basics and iosarm Assembly Basics 　　Here: http://www.cnblogs.com/mddblog/p/4951650.html I. Thumb and ARM commandsThe Thumb command is 16 bits, so the storage code density is high, saving storage space. However, the function is incomplete. It is only a supplement to the ARM Instruction Set (32-bit) and is a subset of the ARM instruction set. In the initial stage, we do not n

Linux shell BASICS (6) and Linux shell Basics6. Detailed description of Shell script programming links the content of the above five parts to increase understanding of Shell 01. shell script shell: ## perl # python # php # Different jsp scripts execute different texts, and the roles of execution are different. # shell scripts (the UNIX Like system has one principle: the shorter the program, the better) # bash csh tcsh ksh # which startx (view the file

IOS basics-2: UIButton, ios basics-2 uibutton UIButton is a standard UIControl control. UIKit provides a set of controls: UISwitch switch, UIButton button, UISegmentedControl, UISlider slider, UITextField text field control, and UIPageControl paging control. The base classes of these controls are UIControl, and UIControl is derived from the UIView class. Therefore, each control has many view features, inc

JSP basics and jsp Basics JSP is the abbreviation of Java Server Pages, that is, the Server-side Java page. There are three methods to annotate JSP: 1. HTML comments, 2. JSP comment, 3. Java Script annotation. Three Java annotations are used in JSP scripts. Command labels are used to define information about the entire JSP page. Syntax: Directive command name. JSP contains three commands: page, include,

J2SE (1) -- data basics, j2se -- data basics The content in this article comes from the J2SE video of Jack Ma. The data foundation in Java is a computer language, which is similar to other programming languages. We know that if we call out the benefits, learning is easy. (1) General diagram: On the right side, the large to small inclusion relationship is: it will be clear at a glance. (2) Details The

J2SE basics: 9. Integration, j2se Basics 1: Set: The concept of a set: Data container (similar to an array ). Containers are suitable for object loading. 2: Advantages and Disadvantages of collections and arrays: Array access efficiency is high, requiring a fixed capacity during use; suitable for accessing basic data types; There is a certain sacrifice in the collection access efficiency, and

Objective-C basics 2: memory management basics, 1. Memory storage area C, C ++. STACK: stores temporary variables and objects. Heap area: stores dynamically allocated objects. Static variable storage area: stores static variables and constant objects. The memory storage area in OC is the same as that in C and C ++. 2. Why memory management? All those who have written C and C ++ programs know that memory man

Data Structure BASICS (19) and data structure basics 19Full Binary Tree First, let's review the two properties of the Complete Binary Tree: Property 1: the depth of a Complete Binary Tree with n nodes is [logn] (rounded down) + 1. Property 2: If a Complete Binary Tree Containing n nodes is numbered 1 to n from top to bottom and from left to right, any node numbered I in the Complete Binary Tree is: (1) If

Data Structure BASICS (14), data structure Basics 14 A chain queue is a storage representation based on a single-chain table. Its shape is shown in: (The queue head Pointer Points to the first node of the single-chain table, and the tail Pointer Points to the last node of the single-chain table. Note that there is no useless blank [Head/end] node) The chain queue represented by a single-chain table is par

Data Structure BASICS (11) and data structure basics 11 Cyclic linked list: the pointer of the pointer field of the last node refers to the linked list of the first node; The difference between a cyclic single-chain table and a single-chain table is that the pointer to the most node in the table is no longer NULL, but instead directed to the header node (so we need to slightly modify our original MyList ),

IOS series basics 05 view originator, ios BasicsIOS series basics 05 view originator-UIView Directory: In the Cocoa and Cocoa Touch frameworks, the "root" class is the NSObject class. Similarly, in the UIKit framework, there is also a magic class-UIView. From the perspective of inheritance relationships, UIView is the root of all views and is called as the "ancestor" in an image ". In this article, we wi

JQuery basics-knowledge points are required for entry. jquery Basics What is the format of the causal relationship of jQuery events: $ ("Button"). click (function (){}) [Officially contact jQuery] (1) jQuery writing steps:1. Introduce the jQuery file;2. Create a script tag to write jQuery;3. Code separation using jQuery;4. Write the code according to the principle of WHO jQuery chooses; [Css modification of

Data Structure BASICS (5): Data Structure Basics The basic idea of Merge Sorting: "Merge" two or more ordered subsequences into an ordered sequence: assuming that the table to be sorted contains n records, it can be considered as n ordered subtables, the length of each sub-table is 1, and then merged into two to obtain [n/2] ordered tables with a length of 2 or 1. Then, merge the quantities ,...., this is r

Xml basics (1), xml basics (1. Introduction 1. Concepts EXtensible Markup Language, a subset of Standard Generic Markup languages, is a Markup Language used to mark electronic files so that they have a structure, similar to HTML.It can be used to mark data and define data types. It is a source language that allows users to define their own markup language. It is designed to transmit data rather than display

Dark Horse programmer-java basics-internal class, dark horse programmer java BasicsZookeeper Dark Horse programmer-java basics-internal class ------ Java training, Android training, iOS training, and. Net training. We look forward to communicating with you! ------- Internal class If Class A needs to directly access the members of Class B, and Class B needs to create an object of Class. To facilitate design

Linux basics [Article 6], linux basics Article 6 What is crond about scheduled task crond? Crond is a service or software used in linux to regularly execute commands or specify program tasks. Generally, after the CentOS5/6 linux operating system is installed, the crond task scheduling service is started by default. The crond service checks the system for tasks to be executed on a regular basis (which is che