大约有 8,000 项符合查询结果(耗时:0.0175秒) [XML]

https://bbs.tsingfun.com/thread-1562-1-1.html 

App Inventor 2 列表显示框能否实现多选功能? - App Inventor 2 中文网 - ...

...现,不过是收费的,12美刀。 https://puravidaapps.com/combobox.php
https://bbs.tsingfun.com/thread-1602-1-1.html 

请教一个有关WEB 客户端 1的问题 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...WEB 客户端 1 通过 URL将参数传输给下图中地址并调用一个PHP文件,但是出现了错误信息“ERROR 1101:unable to get a response with the specified url" 我直接通过浏览器传输,显示结果正确。借助WEB浏览框如下图所示那样,也获得正确结果。 ...
https://bbs.tsingfun.com/thread-1652-1-1.html 

App Inventor 2 QRCode 扩展:二维码扫描及生成方案都在这里 - App Invento...

1、QRCode 二维码扫码: 使用原生的“条码扫描器”组件: 2、二维码生成的方案: html + js + Web浏览器 方案:https://puravidaapps.com/qr.php QRCodeGenerator 拓展方案:https://community.appinventor.mi ... tor-extension/47908
https://bbs.tsingfun.com/thread-2001-1-1.html 

能否详细说明下数据库的应用? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

不能直连MYSQL,但有个贴子给出了方案,用PHP做了个中间件转发,但根据贴子操作未成功。又发现自带了云数据库的组件,但说明太少,比如哪里有云数据库的提供商,或者云数据库如何私有部署,能否详细说说,我想很多人应...
https://bbs.tsingfun.com/thread-2697-1-1.html 

一个组件怎么悬浮在另一个组件上面? - App Inventor 2 拓展 - 清泛IT社区...

...做?或者是什么扩展能做到?https://puravidaapps.com/extensions.php 页面中搜索“floating”,有多款拓展,有的效果还很不错,后续会整理翻译中文。
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Inline SVG in CSS

...ter compression. So it's a great way to limit the amount of requests your site has to do, without bloating your CSS file. share | improve this answer | follow ...
https://www.tsingfun.com/it/tech/1154.html 

兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ard.swf 的下载地址:http://www.jeffothy.com/weblog/uploads/clipboard.php 但是 Flash 10 时代,上面的方法已经不行了。 因为flash10中规定了只有在swf上进行了真实的操作(比如鼠标点击)才能访问剪切板,而上述方法只是使用了一个隐藏的swf...
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What is the maximum possible length of a query string?

...sed on research which is unfortunately no longer available on its original site (it leads to a shady seeming loan site) but which can still be found at Internet Archive Of Boutell.com: Microsoft Internet Explorer (Browser) Microsoft states that the maximum length of a URL in Internet Explorer is 2...
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Why are arrays covariant but generics are invariant?

...unforgivable imo... among the very worst mistakes ever made in Java is use-site variance aka wildcards. – Scott Sep 6 '15 at 21:09 ...
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A regular expression to exclude a word/string

...noreme3) You can add as much ignored words as you like, here is a simple PHP implementation: $ignoredWords = array('ignoreme', 'ignoreme2', 'ignoreme...'); preg_match('~^/\b([a-z0-9]+)\b(?<!' . implode('|', array_map('preg_quote', $ignoredWords)) . ')~i', $string); ...