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提升大数据分析思想，拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术
...据。有人甚至认为，科技很快就能让大数据分析变得“像使用Excel一样容易”。在其他如潮水般涌起的革命性数据科学当中，最令人感到兴奋的莫过于能够实时掌握消费者和物联网的动态，但是，这恐怕容易使得企业陷于另一种...
How to create strings containing double quotes in Excel formulas?
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In the event that you need to do this with JSON:
=CONCATENATE("'{""service"": { ""field"": "&A2&"}}'")
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Convert JsonNode into POJO
... little unusual, but I am looking for an efficient way to transform/map a JsonNode into a POJO .
4 Answers
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App Inventor 2 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录...
...有限公司 版权所有，未经书面许可，不得转载或使用 隐私策略和使用条款 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width...
携程遭超长宕机：内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术
...疑似携程员工聊天记录显示，目前携程发布系统仍然无法使用，数据仍然被持续删除中。但纽约时报专栏作家李成东在微博上表示，携程正在重建缓存，估计3小时内回复，原因据说是内部离职员工报复。
360安全专家林伟也表示...
Principles for Modeling CouchDB Documents
...omes before "b"). You can also output complex keys from your map/reduce as JSON arrays: ["a", "b", "c"]. Doing that would allow you to include a "tree" of sorts built out of array keys. Using your example above, we can output the post_id, then the type of thing we're referencing, then its ID (if nee...
创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
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What is token-based authentication?
...estion is old and the technology has advanced, here is the current state:
JSON Web Token (JWT) is a JSON-based open standard (RFC 7519) for passing claims between parties in web application environment. The tokens are designed to be compact, URL-safe and usable especially in web browser single sign...
PHP cURL custom headers
... exit();
}
// Show me the result
curl_close($ch);
$json= json_decode($season_data, true);
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Is object empty? [duplicate]
...ption to use!
Object.keys(obj).length is 10 times slower for empty objects
JSON.stringify(obj).length is always the slowest (not surprising)
Object.getOwnPropertyNames(obj).length takes longer than Object.keys(obj).length can be much longer on some systems.
Bottom line performance wise, use:
func...