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App Inventor 2 QRCode 扩展：二维码扫描及生成方案都在这里 - App Invento...
...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3、QRCodeGenerator 拓展方案更多请参考这里。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
3...
App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...理介绍
通过调用第三方天气api，填入必要的参数，通过Web客户端请求url。返回json格式的数据结果，使用AppInventor2解析json结果，显示到App上即可。
第三方天气API介绍
第三方天气的api平台特别多，这里仅以“和风天气”（dev.qwe...
How to highlight text using javascript
...an someone help me with a javascript function that can highlight text on a web page.
And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search.
...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
I'm working on web application that needs to render a page and make a screenshot on the client (browser) side.
2 Answers
...
Javascript checkbox onChange
...case. (thanks ReeCube below for the link) developer.mozilla.org/en-US/docs/Web/Events/change
– Armando
Jan 24 '18 at 21:48
...
How to add ID property to Html.BeginForm() in asp.net mvc?
...my project, so it's more convenient.
HtmlExtensions.cs:
namespace System.Web.Mvc.Html
{
public static class HtmlExtensions
{
public static MvcForm BeginForm(this HtmlHelper htmlHelper, string formId)
{
return htmlHelper.BeginForm(null, null, FormMethod.Post, new...
How to convert JSON to XML or XML to JSON?
...String), new XmlDictionaryReaderQuotas()));
XML to JSON: by using System.Web.Script.Serialization
var json = new JavaScriptSerializer().Serialize(GetXmlData(XElement.Parse(xmlString)));
private static Dictionary<string, object> GetXmlData(XElement xml)
{
var attr = xml.Attributes().ToD...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
I have a Java web service client, which consumes a web service via HTTPS.
19 Answers
1...
Exposing database IDs - security risk?
...entifiers. On the other hand, it would be extremely burdensome to design a web application without exposing them at all. Thus, it's important to understand the risks and take care to address them.
The first danger is what OWASP called "insecure direct object references." If someone discovers the id ...
How to display double quotes(") Symbol in a TextView?
...tring 2\" end message'
android:id="@+id/lblAboutPara3"
android:autoLink="web"/>
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