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Python connects to Oracle and reports an error TNS. The listener is currently unable to recognize the service requested in the connection descriptor.

import cx_Oracleconn = cx_Oracle.connect('gxb2b/OpG%8EcP@10.182.22.34:2700/gx36')print (conn.version) The cx_O...

From [Pythondiscussion group] 2017-05-18 10:51:16 0  3  936

python - flask uses ajax for background login interaction. After verifying the password, how to relocate to index.html?

Flask uses ajax for background login interaction. After verifying the password, it will not redirect to the in...

From [Pythondiscussion group] 2017-05-18 10:51:10 0  1  758

python3.x - How to run python script on cloud server?

I want to put the foreign exchange automatic trading python script I made on the cloud server for testing. Sin...

From [Pythondiscussion group] 2017-05-18 10:51:04 0  1  856

python - Using CrawlSpider in scrapy, urls cannot be matched

My crawler code is as follows. The rules are not obtained. I don’t know what the problem is? {Code...} Run err...

From [Pythondiscussion group] 2017-05-18 10:51:02 0  3  922

Python - How to determine the meaning described by a sentence in a piece of text

For example, if you get an article now, how can you tell whether there are words or meanings such as "fak...

From [Pythondiscussion group] 2017-05-18 10:50:56 0  3  821

Why can't Python's __all__ prevent "content that is not exported cannot be accessed"?

The actual phenomenon is that __all__ can control module access. According to the community contract, private ...

From [Pythondiscussion group] 2017-05-18 10:50:54 0  2  880

python - xlwt insert table data horizontally

There is data: [(1,),(2,),(3,)],[('a',),('b',),('c',)],[('e', ),('f',),('g',)] respectively represent the valu...

From [Pythondiscussion group] 2017-05-18 10:50:46 0  2  830

How to make each cylinder color different in python matplotlib drawing?

{code...}

From [Pythondiscussion group] 2017-05-18 10:50:43 0  1  791

python - Why does formatting with time.strftime use the default value?

a = time.time() time.sleep(3) b = time.time() time_consuming = time.strftime("%H:%M:%S", time.localt...

From [Pythondiscussion group] 2017-05-18 10:50:41 0  2  749

python - Use pyhook to monitor keystrokes and delete specified characters, but an error will be reported the second time you run it. What is the reason?

{code...}

From [Pythondiscussion group] 2017-05-18 10:50:39 0  1  603

python - Use Mac's built-in Apache server to develop CGI, and directly output plain text in the browser? Solve

httpd.conf file page configuration and installation tutorial http://blog.csdn.net/dabiaoya... The file permiss...

From [Pythondiscussion group] 2017-05-18 10:50:34 0  1  705

python - django uses redirect to jump to the web page, how to pass the referer to the target web page

As shown in the figure below, when developing and logging in, the referer address of the http request that is ...

From [Pythondiscussion group] 2017-05-18 10:50:32 0  1  1093

How to get the path from the root of a binary tree to all leaves in Python?

{Code...} This is my code, but it prints all nodes every time. Then DEBUG discovered that every time it recurs...

From [Pythondiscussion group] 2017-05-18 10:50:28 0  1  772

There is a little problem with sending emails to multiple recipients in python.

I wanted to send emails to multiple users, so I wrote a sending method, and then read the file in a loop. I wa...

From [Pythondiscussion group] 2017-05-18 10:50:26 0  2  996

flask user permission decorator - Stack Overflow

After reading the book, I found that this code is a bit confusing and the decorator is a bit unclear. I hope y...

From [Pythondiscussion group] 2017-05-18 10:50:23 0  2  746