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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...olog
conn system
alter system set local_listener = '(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))' scope = both;
alter system register;
exit
lsnrctl status
This should probably work ...
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Parsing JSON using Json.net
I'm trying to parse some JSON using the JSon.Net library. The documentation seems a little sparse and I'm confused as to how to accomplish what I need. Here is the format for the JSON I need to parse through.
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Configure Flask dev server to be visible across the network
...sing command - sudo firewall-cmd --zone=public --permanent --add-port=5000/tcp followed by sudo firewall-cmd --reload. then, run the flask app as - flask run --host=0.0.0.0
– Pintu Kumar
Jul 24 '18 at 6:08
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程序员：编程能力与编程年龄的关系 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...都希望能像《 21年速成C++》那样速成，好多时候超级有想和他们争论的冲动，但后来想想算了，因为 你无法帮助那些只想呆在井底思维封闭而且想走捷径速成的人。
今天，我们又来谈这个老话题，因为我看到一篇论文，但是也...
华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
华为公司的新产品研发流程管理引言：高效率和高质量似乎永远是一对解不开的矛盾。以企业的研发环节为例，技术纷繁复杂，更新变幻莫测，如何决策?如何投资?如何预算控制、...引言：高效率和高质量似乎永远是一对解不开...
What is the minimum valid JSON?
I've carefully read the JSON description http://json.org/ but I'm not sure I know the answer to the simple question. What strings are the minimum possible valid JSON?
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How do I modify fields inside the new PostgreSQL JSON datatype?
With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious:
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Reading JSON from a file?
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The json.load() method (without "s" in "load") can read a file directly:
import json
with open('strings.json') as f:
d = json.load(f)
print(d)
You were using the json.loads() method, which is used for string arguments...
Fastest way to check if a string is JSON in PHP?
I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way:
30 Answer...
Difference between JSON.stringify and JSON.parse
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JSON.stringify turns a JavaScript object into JSON text and stores that JSON text in a string, eg:
var my_object = { key_1: "some text", key_2: true, key_3: 5 };
var object_as_string = JSON.stringify(my_object);
// "{"key...