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The meta table (metatable) and meta Method (Metamethod) provided in Lua are a very important syntax, and metatable is primarily used to do something similar to the C + + overload operator. The meta table provided in LUA is a personalized behavior to help the LUA variable complete some of the predefined features, such as the addition of two tables, which can be i

This chapter introduces you to the META tags in HTML. An introduction to the properties of the META tag. Have a certain reference value, the need for friends can refer to, I hope to help you. What is a meta tag? The META tag is a key tag in the head area of the HTML tag, which is located between the Note:

1: Meta-classMeta class: The creation and management of classesThe meta class of all classes is typeclass A: 　　 Pass Print (Type (a))　　Results: 2: Custom meta-classInstantiation of a class: (See the basics and essentials of a Class)1) Call __new__ () to create an instance2) call __init__ () to initialize the instance created aboveSo: Customizing the instance i

The metamethod and metamethod functions provided by Lua are very important syntaxes. They are mainly used for functions similar to C ++'s heavy-duty operators. The meta table provided by Lua is used to help Lua variables complete personalized behaviors of some non-predefined functions, such as the addition of two tables, you can enable this function by directing the two to the same metadatabase table and modifying the metadatabase method. Any table ca

Common HTML META tag attributes (site compatibility and optimization required), META tagsHeat1 reviews 143 Www.BkJia.Com Netizens share: 2014-12-29 01:12:00 views 11,936 timesCommon HTML META tag attributes (site compatibility and optimization required), META tagsThe tag provides metadata about the HTML document. The m

Meta classes (Meta Class), this name presumably many people have heard, there are many on the internet on the introduction of the meta-class, today I will follow their own understanding of these two days to briefly explore this thing, the wrong place also hope to point out.First, download OBJC source code, source address: https://opensource.apple.com/tarballs/obj

Commonly used meta tags on Mobile front-end and frequently used meta tags on Mobile front-endCommonly Used Mobile front-end meta tags Common meta tags of Mobile front-end head Original article: http://caibaojian.com/mobile-meta.html//code from http://caibaojian.com/mobile-meta.html

In our daily work, we sometimes need a window or diaog which have a fixed size. now I give the way to fullfill this target. if you project is based on SDI or MDI, that is to say you want fix you window size. You can refer to following code: Bool

--meta-table: A table that is used to store no methods. table and UserData can have separate meta-tables. However, other types of values can only share the meta-table to which their type belongs, for example, numbers, and all numbers share a single meta-table. --Meta Method

While reading the Web information Architecture , the Nineth chapter talks about Thesaurus, controlled thesaurus and metadata. At that time, the definition in the book was very vague, and the length of the lecture was small, and there was no care and no complete understanding. The concept of metadata is mentioned again in chapter Fourth of the "splendid Blueprint" today. So I looked for some more information seriously understand a bit. What is meta da

="application">"x5-page-mode" content="app">"msapplication-tap-highlight" content="no">"apple-touch-icon-precomposed" href="/apple-touch-icon-57x57-precomposed.png"/>57x57 像素，必须有 -->"apple-touch-icon-precomposed" sizes="114x114" href="/apple-touch-icon-114x114-precomposed.png"/>114x114 像素，可以没有，但推荐有 -->"apple-touch-icon-precomposed" sizes="144x144" href="/apple-touch-icon-144x144-precomposed.png"/>144x144 像素，可以没有，但推荐有 -->"apple-touch-startup-image" sizes="768x1004" href="/splash-screen-768x1004.p

　　Meta-detailed, HTML5 META tag daily settings

Time Limit: 3.000 secondsTime Limit: 3.000 seconds Background Background Sorting holds an important place in computer science. analyzing and implementing varous sorting algorithms forms an important part of the education of most computer scientists, and sorting accounts for a significant percentage of the world's computational resources. sorting algorithms range from the bewilderingly popular bubble sort, to quicksort, to parallel sorting algorithms and sorting networks. in this problem you

Common meta sorting and meta sorting

What is META? Meta is actually an auxiliary tag in the head area of the HTML language. In almost all of the pages, we can see similar to the following HTML code: Some people say, this code seems dispensable, not much practical effect! It's not useless, but you're not using the META tag well. Why do you say that? This is because the

Meta is an auxiliary tag in the head area. Its main functions are: Search engine optimization (SEO), define the language of the page, automatically refresh and point to the new page, to achieve the dynamic effect of Web page conversion, control page buffering, page rating evaluation, control the page Display window and so on!The META tag has two properties, each of which is the Http-equiv property and the N

The previous section on the meta table and the Meta method has a preliminary understanding, this article to give the simplest example, to deepen the impression, but also for the follow-up content to prepare. 1. Meta Method name LUA has actually defined the meta method names of various arithmetic operators, such as:

The page periodically refreshes, if added URL, will redirect to the specified page, content followed by the time (in seconds), add this sentence to the It is also commonly used in real-time applications where periodic refreshes are required.such as news pages, forums, etc., but generally do not use this, all with new technology such as AjaxReference 1:100-degree library http://wenku.baidu.com/link?url=- 7vcmawxrrw1awwskfaekchunvgichrrrp-or30hfmomwhfocw-5smgy6bzzqkaqmb7d4c0i6i4mssw3yw1jzic6f3m9yv

not use Meta data programming, you can use only one name per program element. In this case, it is common practice to name program elements as their primary or primary function. For example, consider the signature of the credit method below: public void credit(float amount); This method name reflects only one attribute of the method: The business logic that carries out the credit business. All other features of the element are lost. Although this si

Sometimes there will be some site content, do not want to be robots crawl and public. To solve this problem, the Robots development community offers two options: one is robots.txt and the other is the Robots meta tag.1,The properties are described as follows:Set to all: The file will be retrieved and the link on the page can be queried;Set to None: The file will not be retrieved, and the link on the page cannot be queried;Set to index: The file will b