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What is the difference between a shim and a polyfill?
... are used for covering up old sins, polyfills are used for bringing future enhancements back in time.
As an example there is no support for sessionStorage in IE7, but the polyfill in the sessionstorage npm package will add this feature in IE7 (and older) by using techniques like storing data in the...
Sending multipart/formdata with jQuery.ajax
... [1] => 127884
)
)
)
If you do progressive enhancement, using Raphael's JS to submit the files...
var data = new FormData($('input[name^="media"]'));
jQuery.each($('input[name^="media"]')[0].files, function(i, file) {
data.append(i, file);
});
$.ajax({
...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...persist Why improving consistency makes that it works? Ok, consistency was repaired but object is still detached.
– Gilgamesz
Mar 13 '18 at 20:17
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Ways to eliminate switch in code [closed]
...m. If you add or remove a clause in one switch, you often have to find and repair the others too.
Both Refactoring and Refactoring to Patterns have approaches to resolve this.
If your (pseudo) code looks like:
class RequestHandler {
public void handleRequest(int action) {
switch(act...
(HTML) Download a PDF file instead of opening them in browser when clicked
...
As right now August 2019, Browser support seems to be enhanced for this feature, see: w3schools.com/tags/att_a_download.asp
– Daniel Resch
Aug 24 '19 at 21:51
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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个viewer我觉得就是PDF.js的最终UI。根据以往经验，网上能下载的demo，从来就没有见过能正常运行的，不过我还是抱着侥幸试了一下，PDF.js果然也不例外。从github上面我们可以下载PDF.js项目源代码，examples里有几个demo示例，helloworl...
App Inventor 2 MenuSlide 拓展：滑动菜单效果 · App Inventor 2 中文网
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MenuSlide 拓展：滑动菜单效果
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MenuSlide 拓展：滑动菜单效果
代码如下：
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.aix 拓展下载：
com.varsha.menuslide.aix
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App Inventor 2 SideBarV2 侧边栏拓展 · App Inventor 2 中文网
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SideBarV2 侧边栏拓展
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SideBarV2 侧边栏拓展
（详细用法待完善）
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.aix 拓展下载：
co.com.dendritas.SidebarV2.zip
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App Inventor 2 AlphaDialog 对话框扩展 · App Inventor 2 中文网
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AlphaDialog 对话框扩展
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AlphaDialog 对话框扩展
Alpha Dialog 是一个简单但功能强大且易于使用的扩展，您可以在项目中自由使用它来创建令人惊叹且独特的对话...
App Inventor 2 Markdown 自研拓展：Markdown 格式渲染、转换为HTML、生成...
...wn 自研拓展
属性
事件
方法
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Markdown 自研拓展
拓展提供大模型输出 Markdown 格式的渲染、转换为HTML、生成图片等功能。
属性
TransparentBackground
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