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How to check if a json key exists?
So, I get some JSON values from the server but I don't know if there will be a particular field or not.
13 Answers
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Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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Dump Mongo Collection into JSON format
Is there any way to dump mongo collection into json format? Either on the shell or using java driver.I am looking for the one with best performance.
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Safely turning a JSON string into an object
Given a string of JSON data, how can I safely turn that string into a JavaScript object?
28 Answers
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JSON.stringify output to div in pretty print way
I JSON.stringify a json object by
12 Answers
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Unexpected character encountered while parsing value
Currently I have some issues. I'm using C# with Json.NET. The issue is that I always get:
15 Answers
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你以为发传单真的这么简单吗?（提升成功率干货） - 更多技术 - 清泛网 - 专...
...，一路上来者不拒接下成沓广告单子，还仔细研究这页纸和那页纸有啥不同之处。可最后它们也不外乎和别人手里千千万万的传单一样，被丢进垃圾桶。
而身为一只运营推广汪，看到成千上万被丢进垃圾桶的鲜艳传单，除了感...
How to fluently build JSON in Java?
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I am using the org.json library and found it to be nice and friendly.
Example:
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
.put("JSO...
Adding a new array element to a JSON object
I have a JSON format object I read from a JSON file that I have in a variable called teamJSON, that looks like this:
6 Answ...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
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声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
2）本文仅供学术交流，非商用。所以每一部分具体的参考资料并没...