be able to harness the development of the entire application layer.2,android's official recommendation is that the development of the application takes the MVC pattern. What is MVC? Look first.MVC is an acronym for Model,view,controller, and you can see that MVC contains three parts:L Model object: is the main part of the application, and all business logic should be written in that layer.View object: Is the part of the application that is responsibl
List
* Fieldset-form control Group
* Form-Interactive form
* H1-Big title
* H2-Subtitle
* H3-3 level Title
* H4-4 level Title
* H5-5 level Title
* H6-6 level Title
* HR-Horizontal divider Line
* Isindex-input Prompt
* menu-List of menus
* Noframes-frames Optional content, (for browsers that do not support frame, display this chunk content
* NoScript-Optional script content (this content is displayed for browsers that do not support script)
* Ol-Sort Form
* P-Paragr
Summary:Recently, when I was finishing the project, I found that some colleagues wrote too many page code nesting, and some nested wrong, such as As we all know, there are two types of HTML tags:
Block-level elementsDiv, H1~h6, address, blockquote, center, dir, DL, DT, DD, fieldset, form, HR, Isindex, menu, Noframes, NoScript, OL, p, pre, Table, UL ...Features: always start on new lines, height, row height, and top and bottom margins are controllable, width default is 100% of its contai
, is also the main tag of CSS layout
* DL-Definition List
* Fieldset-form control Group
* Form-Interactive form
* H1-Big title
* H2-Subtitle
* H3-3 level Title
* H4-4 level Title
* H5-5 level Title
* H6-6 level Title
* HR-Horizontal divider Line
* Isindex-input Prompt
* menu-List of menus
* Noframes-frames Optional content, (for browsers that do not support frame, display this chunk content
* NoScript-Optional script content (this content is displayed for browsers tha
directory will be reused by views/classes and categories. It's probably like this: general |-Views |-Tpkscollview |-Tpkpulltorefresh ... | -Classes |-tpkbaseviewcontroller |-Tpkhorizontalview ... | -Categories |-uiviewcontroller+sizzle |-Uiimageview+downloader ... The TPK here is the acronym for the project.HelpersThis directory puts in some helper classes, with filenames linked to functionality.It's probably like this: Helpers |-tpksharehelper |-tpd
and MNC
Example: mcc310 mcc310-mnc004 mcc208-mnc00, etc.
The MCC is the English acronym for the Mobile Country Code, which optionally follows the mobile network code from the SIM card in the device (mnc:mobile. Country). As on any carrier, mcc310 represents the United States, mcc310-mnc004 represents the Venizon company of the United States, and MCC208-MNC00 represents the orange company of France. If the device uses an audio connection (GS
1/27/12.//Copyright (c), Taobao.com. Al
three. Multithreading AdvancedNsoperationnsoperationqueueMany times we use multi-threading, we need to control the number of concurrent threads, after all, the thread also consumes the system resources, when the program runs too many threads, the system must be slow. So many times we control the number of threads running concurrently.Nsoperation can encapsulate our operations and then put the created Nsoperation object into Nsoperationqueue, and
form controls. Note the difference with nav. menu is specifically used for form controls.
Add input tag
EmailEmail is required
UrlUrl address required
NumberA value is required.
RangeYou must enter a value in a certain range.
Date Pickers)There are multiple new input types available for Date and Time Selection:Date: Select day, month, and yearMonth-select month and yearWeek-select week and yearTime-Select time (hours and minutes)Datetime-select the time, day, month, and year (UTC time)
called link pseudo classes and can only be used for the anchor element, hover: active: focus is called a dynamic pseudo-class. In theory, it can be applied to any element. These pseudo-classes can be stacked to create more complex behaviors.⑤ The Universal selector matches all available element application styles (equivalent to all selected). It is represented by an asterisk (*). It can be used to apply styles to all descendants of an element, or skip first-level descendants.6. subselector of t
;} @media only screen and (min-width:360px) {h1{font-size:28px;} h2{font-size:26px;} h3{font-size:22px;} Body,button,input,select,textarea {font-size:18px;line-height:26px;}} H1,h2,h3,h4,h5,h6 {font-weight:normal;} HTML, body, form, fieldset, p, Div, H1, H2, H3, H4, H5, H6{-webkit-text-size-adjust:none;} /* Prevent auto-resizing of the font when rotating the screen */textarea{resize:none;} /* Cancel the default style of the button on Inphone */input[type=button]{-webkit-appearance:none;
create a Web form and determine the fields used by other parts of the application.·JavaScript code is the core code for running Ajax applications and helps improve communication with server applications.·DHTML or Dynamic HTML, used to dynamically update forms. We will use div, span, and other dynamic HTML elements to mark HTML.·The Document Object Model DOM is used to process HTML structures (using JavaScript code) and (in some cases) the XML returned by the server.
Ajax Definition
By the way,
Just like the Flash font and Splash pages that have been popular before, there is often a "Skip Introduction" or "directly enter" button), and the use of rounded corners (TRANSLATOR: see YeeYan homepage, haha), but this time is more dynamic?Let's look at several misunderstandings about Ajax, open the fog, and discover the truth.Misunderstanding 1: AJAX is short for Asynchronous JavaScript and XML. When you write this word, you should use uppercase letters for spelling, or you will not be very ig
. It has several sub-levels, such as the root element. The root element has its appended child level, and so on until (in a sense) a graph of XML data is obtained. Almost every college student must have processed the tree structure at a certain stage, so this can be used as a very intuitive way to represent XML data.The most popular API used for the tree expression of XML documents is the W3C recommendation standard, that is, the Document Object Model (DOM ). An updated API, JDOM (which is not a
:0; } table {border-collapse:collapse; border-spacing:0;} fieldset,img {border:0;} address,caption,cite,code,dfn,em,str Ong,th,var {font-weight:normal; font-style:normal;} ol,ul {list-style:none;} caption,th {text-align:left;} h1,h2 , H3,h4,h5,h6 {font-weight:normal; font-size:100%;} q:before,q:after {content: ';} abbr,acronym {border:0;}OK, I believe you have also understood the purpose of the CSS reset, perhaps you can also according to their own pr
I. New document type declaration(DTD)When writing HTML5 documents, it is required to specify the document type to ensure that the browser renders in HTML5 standard mode. The DTD declaration for HTML 5 is: DOCTYPE HTML>HTMLxmlns= "http://www.w3.org/1999/xhtml">Head>Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8" />title>Untitled Documenttitle>Head>Body>Body>HTML>two. The newHTML5labelNew HTML5 Tags-structure tags: the latest structure tag is the change of the layout of the page
The following elements are not supported in HTML5, and it is not recommended to use the following elements for development.1. Acronym (recommended ABBR): Define Initials2. Applets (Recommended object): Defining applets3, Basefont (using CSS control)4, big (using CSS control): Define large text5. Center (using CSS Control): Define centered text6. Font (using CSS control)7. Strike (using DEL): Define strikethrough text8, TT (using CSS control): Define t
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