learn flexbox

Flexbox implements a DIV element that is horizontally vertically centered on the body page:Flexbox CSS layout for horizontal vertical centering

First, the theory:1.flex-flowA.flex-direction setting the telescopic flow direction of the telescopic containerB.flex-wrap setting a scaling item in a telescopic container if there is not enough space in the telescopic container, whether the scaling item is wrapped in a telescopic container2.flex-packA. With the same parameters as the Box-pack propertyB.distribute scaling items are evenly distributed across the same lineThe starting edge of the first telescopic project in the C.start telescopic

: #efefef;}. Content ul Li. file-icon{position:absolute; Background:url (".. /img/file.png ") No-repeat Center; Background-size:1.2rem 1.2rem; Width:1.2rem; Height:1.2rem; Left:1rem; Top:.3rem;}. Content ul Li. file-name{position:absolute; Line-height:2rem; Left:3.2rem;}. t{Display:none;} #upper {position:absolute;right:15px;top:5px;color:blue;} #log {width:200px; height:30px; color:red; Float:right;} /* Redefine icon position */.trash:before{Display:block;

Common Example 1. Center Alignment"Utf-8"> class="Flex-container"> class="Flex-item">1class="Flex-item">2class="Flex-item">3class="Flex-item">4class="Flex-item">5class="Flex-item">6Effect:2. Adaptive navigation 　　Effect:Align vertically with center"Utf-8"> class="content"> isExtremely difficult to vertically align contentusingTraditional CSS without knowing exactlywhereYou want the item to appear. Typical page layouts for blog posts"Utf-8"> class="Post"> isMy first blog postclass="Post-meta">

React native, through a flexbox layout engine, implements a consistent cross-platform style and layout across all mobile platforms. Main Properties Flex flexdirection alignself alignitems justifycontent flexwrap Properties explain Flex When an element defines a flex attribute, it means that the element is scalable (Flex has a property value greater than 0 to scale) and can be likened to the weight property in Android. Class Flexboxrea

First, in the React Native Flexbox has Flex:1 its child elements have the same length Justifycontent Vertical Layout Alignitems Horizontal Layout Flexdirction row (Landscape) Colum (portrait) Overall direction Justifycontent (The relationship between child elements and child elements) Flex-start Center Flex-end space-around Space-between Sub- Alignitems determines the position of your control in the vertical left or right of the screen Flex-start (lef

supported by IE9 and the following and opera Mini . There are more properties related to column below, Click here to learn more , if that's okay, let's go on to the next one. Extended Reading The Column-gap column-rule of CSS3 Multi-columns Number and column widths of CSS3 multi-columns Cross column of CSS3 Multi-columns Multiple Columns Layout (magazine-alike) with CSS3 An Introdu

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reading is not enough, actual combat is the most important, so-called learning, such as in the "Python core programming 2" after class exercises/learning some small script/etc., here are several sites for the Python script instance study: (1). Code share list--Python (2). Python Code Library (3). https:// searchcode.com/ (4). GitHub best choice, more search some related projects, look at someone else's code, copy the wheel!! 4. Advanced entryThe Python advanced section of learning can ref

C ++ experts learn advice and learn with an open mind ~~ [Reprinted], advice and learn modestly 1. Take C ++ as a new language learning (it has nothing to do with C! True .); 2. Read Thinking In C ++ instead of C ++. 3. read "The C ++ Programming Language" and "Inside The C ++ Object Model". Do not read them because they are difficult and we are beginners; 4. Do

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0 reply content: basic syntax Coding skills and coding specifications Various functions Various PHP modules Learning a cms or secondary development Learn about PDO, ADO, data driver layer, and mysql Error Reporting Mechanism Object-oriented Use a framework to help developers Magic Design Mode Reflection Write tools and drivers. Write a small framework by yourself (to be honest, you don't have so much energy to write it. You need to understand a lot of

This is a translation of an article, the original is: 3 New CSS Features to learn in 2017, translation is not very good, if in doubt welcome to point out.The new year, we have a series of new things to learn. Although CSS has a lot of new features, there are three features that make me the most exciting and learning.1. Feature Queries (feature query)Before that, I wrote an article about feature queries, the

PHP Learning Notes (a) easy to learn php,php learn notes Target planning: With the first lesson, we can learn about the PHP environment. 1. Understanding of the environment: 2. Access method: 3. Modify the code and view it. 4. Use of variables 5. Code indentation to have a hierarchical relationship, and the best between the code to keep blank lines 6. Variable N

Talk about how beginners learn php ^_^ Author: silently The article at the beginning of the list of so many contact, it will inevitably make you feel a bit of ad's meaning, but can not be questioned, there is really so little performance to ^_^, although sometimes too meticulous will be said mother, but fortunately this meticulous for programming, or pretty good! From silently to others ask how to learn PHP

Learn how to use Mantle in 3 minutes !, Learn mantle in 3 minutes Recently, it was my turn to explain Mantle at the iOS technology sharing meeting of the company's mobile internet business department. So I went to the Internet to search for materials. Finally, based on the articles in the next three links, I read them in order and summarized them, it took three minutes to share with you what this Mantle was

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply: Which programming language is the most difficult? Not C ++, not Lisp, Your first language. W

technology trend of * production systems, so as to remain unchanged. "Inside Ole 2" *** tips **: 1) Delphi/BCB/vB can quickly build interfaces, but it is not a good platform to really learn and understand the system, however, if you have time to read the source code of VCL, you can also learn a lot from how Borland encapsulates the system. 2) Learning ASM has great benefits for understanding C ++. Soft-ice

. PracticeIn the course of learning, reading books is not enough, and practice is the most important. The so-called learning and application, such as exercises/learning some small scripts/in the course of "Python core programming 2, here are several sites for learning Python script instances: (1). Code sharing list-Python (2). python code library Https://searchcode.com/ (4). the best choice for github is to search more related projects, check people's code, and copy the wheel !! 4. Advanced

To learn or not to learn about a week ago, I got a message from jiabaoet for asking about whether need to learn Windows Mobile or not? Microsoft had revealed Windows Phone 7 which has totally different development patterns and practices comparing with the classic Windows Mobile. the changes of Windows Phone have raised controversial topics to Windows Mobile deve