Recommended 10 natively supported special effects (collection)

PHP对观察者模式的原生支持的代码详解

1. PHP对观察者模式的原生支持的代码详解

简介：

2. 有关CSS的高级布局技巧

简介：随着 IE8 逐渐退出舞台，很多高级的 CSS 特性都已被浏览器原生支持，再不学下就要过时了。用 :empty 区分空元素兼容性：不支持 IE8Demo假如我们有以上列表：

a

b

We hope to treat empty elements and non-empty elements differently, so there are two methods

3. CSS Advanced Layout Skills

Introduction: As IE8 gradually withdraws from the stage, many advanced CSS features have been natively supported by browsers. If you don’t learn them, they will be outdated

4. Fun JavaScript question: Adding large integer strings

Introduction: Many languages ​​provide native support for the addition of two large integer strings. For example, Java provides the BigInteger class, but JS does not support this aspect, so we have to rely on ourselves to implement it.

5. Python gdal tutorial: Reading raster data with gdal

Introduction: GDAL natively supports more than 100 raster data types, covering all mainstream GIS and RS data formats

6. Cross-domain technology (JSONP and CROS)

##Introduction: We found that when calling js files on a Web page, it is not affected by whether Cross-domain impact, any tag with the "src" attribute has cross-domain capabilities, such as <script>, <img src="/static/imghwm/default1.png" data-src="https://img.php.cn/upload/article/000/000/004/334e314c1904cc0d156568c17d2be458.png?x-oss-process=image/resize,p_40" class="lazy" alt="Recommended 10 natively supported special effects (collection)" >, <iframe>. That is to say, if you want to access data across domains, the server can only put the data in js format files. It happens that we know that JSON can describe complex data concisely, and JSON is also natively supported by js, so the client can process data in this format almost as desired. Then the client can call the dynamically generated js format file on the cross-domain server in exactly the same way as calling the script. Client<span style="max-width:90%"></script>

7. HTML5 natively supports Base64 encoding and decoding

Introduction: HTML5 natively supports Base64 encoding and decoding

8. What is the difference between Redis and Memcached?

Introduction: Redis also has key-value pair storage, which can also be stored in memory, and also supports persistent storage, and redis clusters, distributed deployment, and mirror synchronization are all It is native support, which is more convenient than memcached (memcached has to write its own consistent hash algorithm to determine the value corresponding to a certain key...

9. CSS3 native support Method of equal height and width between div and browser_html/css_WEB-ITnose

Introduction: CSS3 natively supports the method of equal height and width between div and browser

10. How to learn PHP in depth and become a PHP master

Introduction: How to learn PHP in depth and become a PHP master? Disadvantages, such as Lack of UTF-8 native support No thread mechanism, lack of asynchronous mechanism Summarize the problems caused by these disadvantages, the scenarios in which each type of problem occurs, and how to deal with each scenario. Learn more about the history of PHP and understand why the market allows these defects to exist. Learn design patterns (program architecture) It is not difficult to implement a complex function using PHP, but the design itself must make the final implementation highly flexible and highly

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