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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
...rl -L -X GET --compressed 'https://api.qweather.com/v7/weather/7d?location=101010100&key=YOUR_KEY'
第三方API的调用
使用”Web客户端“组件调用第三方API，代码如下：
JSON结果的解析
请求成功返回JSON示例
{
"code": "200",
"updateTime": "2021-11-15T16:35+08...
【解决】java.lang.IllegalStateException: org.xml.sax.SAXParseException...
...ava.lang.IllegalStateException: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 50836; 尾随节中不允许有内容。
at com.google.appinventor.buildserver.FormPropertiesAnalyzer.analyzeBlocks(FormPropertiesAnalyzer.java:434)
&...
How to determine SSL cert expiration date from a PEM encoded certificate?
...oout -in file.pem
The output is on the form:
notAfter=Nov 3 22:23:50 2014 GMT
Also see MikeW's answer for how to easily check whether the certificate has expired or not, or whether it will within a certain time period, without having to parse the date above.
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How to run a python script from IDLE interactive shell?
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15 Answers
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How to search for a string in text files?
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12 Answers
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Execute command on all files in a directory
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10 Answers
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Pass in an array of Deferreds to $.when()
...:
$.when.apply($, my_array).then( ___ );
See http://jsfiddle.net/YNGcm/21/
In ES6, you can use the ... spread operator instead:
$.when(...my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many formal parameters the .then handler will require, that han...
Replacing instances of a character in a string
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13 Answers
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