大约有 16,000 项符合查询结果（耗时：0.0179秒） [XML]
上线当天App就崩了，才发问题是手机网络超时没处理——用App Inventor 2的W...
上周五晚上，朋友老刘急匆匆给我发消息："我的查价App上线两天，应用商店差评炸了，用户说一打开就白屏。"
我让他把项目发过来看了看。好家伙——屏幕上拖了个Web组件，按钮点击直接执行GET请求，没有任何超时...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...传）
AT控制指令
IO口控制
3、App Inventor 2 开发自己的蓝牙App
蓝牙App开发示例
蓝牙App控制硬件
订阅接收硬件的数据
UUID分为标准UUID和厂商自定义UUID
BLE专业文档
最后做个推广
« ...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...选项。
2.4 隐私政策扩展组件
fun123.cn 开发了专门的隐私政策弹窗扩展组件，支持：
本地 HTML 和在线 URL 两种方式
用户同意后不再提醒
用户不同意则退出App
满足各应用市场的审核要求
🔗 PrivacyPolicyA...
How to change the href for a hyperlink using jQuery
...;
$('.menu_link').live('click', function() {
var thelink = $(this);
alert ( thelink.html() );
alert ( thelink.attr('href') );
alert ( thelink.attr('rel') );
return false;
});
我帮儿子用App Inventor 2给遥控车装了"蓝牙大脑"，手机一划车就...
周五晚上，儿子抱着他那辆吃灰半年的遥控车跑来问我："爸爸，能不能让手机控制它？我想躺在床上就能让它跑。"看着他期待的眼神，我决定用App Inventor 2的蓝牙组件试试。没想到两小时就搞定了，而且连接稳定性和操...
What is the difference between jQuery's mouseout() and mouseleave()?
...nd let's also assume this button prompts the user with either a confirm or alert box. The user clicks the button and the alert fires. The user pressed it fast enough that your tooltip didn't have a chance to pop up (so far so good).
The user presses the alert box OK button, and the mouse leaves the...
How do I prevent site scraping? [closed]
...ation with a HTML parser to extract the desired data from each page.
Shell scripts: Sometimes, common Unix tools are used for scraping: Wget or Curl to download pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex b...
Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the...
做了个"外卖菜单选择器"App，才发现ListView和Spinner的区别这么...
做了个"外卖菜单选择器"App，才发现ListView和Spinner的区别这么大
上周帮家里的小餐馆做了个点餐原型App，需求很简单：顾客能在手机上浏览菜品列表、点选想要的菜。本以为拖几个组件就完事，结果在"用什么组件...
How to Publish Web with msbuild?
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I got it mostly working without a custom msbuild script. Here are the relevant TeamCity build configuration settings:
Artifact paths: %system.teamcity.build.workingDir%\MyProject\obj\Debug\Package\PackageTmp
Type of runner: MSBuild (Runner for MSBuild files)
Build file ...