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串口Read不到数据的问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户发送的是 8n1 的格式，但是ai2的串口貌似不支持这种格式。写串口正常，读串口为空，len为0。
目前经过测试验证，应该是 \n 作为结束符的。发送时，也是。
ai2使用 physicaloid 库完成的串口功能。
【天气API】对接国内免费好用的天气API - App应用开发 - 清泛IT社区，为创新赋能！
...天气API更新了认证方式，由ApiKey换成了WebToken，不是一般的复杂。因此需要更换一款天气API。
此帖子记录API使用及开发过程。目前已知的有：
1. 高德地图天气 API 免费版可用资源
30万次/日，200次/秒并发
实时天气预报
未来 ...
How can javascript upload a blob?
... 'test.wav');
fd.append('data', soundBlob);
$.ajax({
type: 'POST',
url: '/upload.php',
data: fd,
processData: false,
contentType: false
}).done(function(data) {
console.log(data);
});
You need to use the FormData API and set the jQuery.ajax's processData and contentType ...
List all svn:externals recursively?
...kes a huge step in relieving these frustrations. As mentioned earlier, the URLs used in the new externals definition format can be relative, and Subversion provides syntax magic for specifying multiple flavors of URL relativity.
../
Relative to the URL of the directory on which the ...
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...
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 +...
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
...