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App Inventor 2 如何下载/保存网络图片？ · App Inventor 2 中文网
... 返回首页
首先，需要使用 Web客户端 组件，需要和网络url进行数据交互的场景就要考虑使用它，Web客户端 组件在“通信连接”抽屉中：
设置好网络图片的url，然后执行Get方法即可，代码如下：
其中，特别要注意的是保存...
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
...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.qweather.com）作...
AppInventor如何实现通过扫二维码导入表格数据 - App Inventor 2 拓展 - 清...
...用原生的“条码扫描器”组件：
2、读取二维码中的url信息：
从上面条码组件的事件中获取。
3、访问远程url获取表格csv数据：
使用Web客户端组件访问url获取数据。数据格式建议采用csv（逗号分隔）格式。
4、解析数...
Generating v5 UUID. What is name and namespace?
... for you:
NameSpace_DNS: {6ba7b810-9dad-11d1-80b4-00c04fd430c8}
NameSpace_URL: {6ba7b811-9dad-11d1-80b4-00c04fd430c8}
NameSpace_OID: {6ba7b812-9dad-11d1-80b4-00c04fd430c8}
NameSpace_X500:{6ba7b814-9dad-11d1-80b4-00c04fd430c8}
So, you could hash together:
StackOverflowDnsUUID = sha1(Namespace_DNS +...
Django CSRF check failing with an Ajax POST request
... return cookieValue;
}
if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
// Only send the token to relative URLs i.e. locally.
xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
}
}
});
instead of the c...
Is it possible to make a Tree View with Angular?
...ate your source? you wrote a post in that thread, and now you're posting a url here with your own name in it?
– Janus Troelsen
Sep 23 '12 at 0:56
...
CSS @font-face not working with Firefox, but working with Chrome and IE
...such as "../font", but i don't know about thumblr: if you can give out the url for the site i can give it a look.
– Manuel
Sep 14 '10 at 8:19
...
Abort Ajax requests using jQuery
...ethod will abort the request.
var xhr = $.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
}
});
//kill the request
xhr.abort()
UPDATE:
As of jQuery 1.5 the returned object is a wrapp...
Get Image Height and Width as integer values?
...
You need allow_url_fopen turned on to be able to use getimagesize() on remote images.
– VertigoRay
Mar 17 '17 at 14:09
...
How to read XML using XPath in Java
...onse to comment): This XPath expression will get you the text of the first URL element under PowerBuilder:
/howto/topic[@name='PowerBuilder']/url/text()
This will get you the second:
/howto/topic[@name='PowerBuilder']/url[2]/text()
You get that with this code:
expr.evaluate(doc, XPathConstant...