python - About global variables in Flask

Q: I watched a simple tutorial on Flask, but there is a question I don’t understand. Will the global variables...

From [Pythondiscussion group] 2017-06-12 09:25:35 0  1  1120

module - python模块from import语句相对导入，加不加点号有什么区别？

python版本为2.7 目录结构 {代码...} 内容 util/db.py {代码...} t.py {代码...} 运行报错 {代码...} 提示不能在non-package下导入。 在当前目录下新建__init_...

From [Pythondiscussion group] 2017-04-18 10:34:44 0  2  1120

I am a newbie who has just studied for 3 days. I want to ask some questions about my studies.

I was typing the code I learned, but the results I got were somewhat different from what I learned. The sortin...

From [Pythondiscussion group] 2022-01-21 20:01:24 0  1  1119

json - The third question about placing orders with python and oanda's simulated trading api

This time I want to buy 50 USD_CAD contracts at the current market price. Program: import requestsimport json ...

From [Pythondiscussion group] 2017-05-18 10:54:22 0  2  1119

图片处理 - python PIL 图片放大的问题

尝试用pytesseract来识别一些图片： 原始图片尺寸较小，用pytesseract无法识别，开始尝试用 Mac 自带的预览工具来放大尺寸 ，发现可以正常识别了，然后尝试用 PIL 来放大图片，代码如下： {代码.....

From [Pythondiscussion group] 2017-04-18 10:29:23 0  1  1119

What does self in class in Python mean?

{Code...} What does this self mean:?

From [Pythondiscussion group] 2017-06-15 09:21:25 0  2  1117

python 如何实现并行查找关键字所在的行？

我有几十万个关键字放在文件4.txt中，想提取文件3.txt中含有关键字的行，保存到文件5.txt中.文件3有200万行，我使用下面的代码可以实现我的要求，但是非常慢，一个下午还没运行完，谁有快一点的方法？使用并行改.....

From [Pythondiscussion group] 2017-04-17 17:45:22 0  3  1117

python - There is no problem when debugging pyspider. When I click run, encoding problems are reported.

There are no problems during debugging. When I click run, encoding problems are reported. Of the same two coll...

From [Pythondiscussion group] 2017-07-05 10:27:10 0  2  1116

Python novice question about local variables and global variables

The first piece of code: {code...} Running results: The second piece of code: {code...} Running results: My qu...

From [Pythondiscussion group] 2017-06-12 09:24:56 0  3  1116

python - java httpClient wsdl 调用失败.求高手看下我代码？

import java.io.IOException; import org.apache.http.HttpEntity;import org.apache.http.client.config.RequestConf...

From [Pythondiscussion group] 2017-04-18 09:55:50 0  0  1116

字符编码 - python使用split(‘中文字符’)出错

根据网页所给的字符编码将其字节数据decode('gb2312')用的是scrapy，从给出的url获取body {代码...} 请问怎么解决？

From [Pythondiscussion group] 2017-04-18 09:04:39 0  4  1116

peewee - Python's ORM queries the database. If no results are found, an error will be reported?

I am using peewee and found that when querying a piece of data, I use the get method. If there is no matching ...

From [Pythondiscussion group] 2017-05-18 10:57:01 0  2  1114

python - How to find From Data in chrome, a newbie wants to ask

The picture above comes from Simulated login to CSDN - it's that simple. When I was going to write a simulated...

From [Pythondiscussion group] 2017-05-18 10:54:44 0  2  1114

微信支付 - python做微信企业付款出现CA证书错误

我在做微信企业付款的时候一直出现CA证书错误，我在centos下导入了微信提供的ca证书 rootca.pem ，但还是会出现这个问题，请熟悉用python开发的同学给个提示，怎么才能解决此问题？ 我用的python微信...

From [Pythondiscussion group] 2017-04-18 10:26:15 0  1  1114

python - BeautifulSoup使用find_all方法，如何转换编码？

用BeautifulSoup解析页面，调用find_all打印出来是乱码 代码如下： {代码...} 抓取的页面编码是gb2312,打印的时候使用encode能够正常输出中文字符，但是使用find_all的时候打印出来是...

From [Pythondiscussion group] 2017-04-17 17:47:46 0  2  1114