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python3.x - python3.5怎樣控制線程的數(shù)量呢？

thread_list = []for kw_do in exc_kw(): {代碼...} for thread in thread_list: {代碼...} for thread in thread_list: {...

From [Pythondiscussion group] 2017-04-17 17:57:54 0  3  1005

python - website access frequency limit for accounts

When crawling a certain website, the access frequency of the account is limited. If you switch accounts, you m...

From [Pythondiscussion group] 2017-06-28 09:25:06 0  3  1004

Should python use pickle or csv in this situation?

I have many hundreds of M CSV files on hand to store some data, and I often need to use pandas and matplotlib ...

From [Pythondiscussion group] 2017-05-18 11:00:47 0  2  1004

除了 python2 和 python3，ipython notebook 還可以用哪些內(nèi)核？

RT 還可以使用什么內(nèi)核？ js? go? c++?(隨便想想)

From [Pythondiscussion group] 2017-04-18 10:31:55 0  1  1004

python - 為什么'ghp-import' 不是內(nèi)部或外部命令，也不是可運行的程序 或批處理文件?

為了使用Pelican，想用下ghp-import，Window下pip install ghp-import安裝正常，但是為什么會提示'ghp-import' 不是內(nèi)部或外部命令，也不是可運行的程序 或批處理文件? 試...

From [Pythondiscussion group] 2017-04-17 15:24:10 0  1  1004

python2.7 - python 中 getattr 使用 為什么這樣報錯?

{代碼...} line 17, in play room = getattr(self, next) TypeError: getattr(): attribute name must be string 請問這是為什...

From [Pythondiscussion group] 2017-04-17 14:52:41 0  2  1004

網(wǎng)頁爬蟲 - ubuntu 下 python 使用 selenium + PhantomJS 時出錯

因為爬取的網(wǎng)站用到了AJAX，所以我想要使用selenium抓取數(shù)據(jù)。但是用selenium速度太慢，于是使用PhantomJS來加快速度。但是使用時會報錯，各位幫忙看看吧。 爬取的網(wǎng)站是這個http://www.ncb...

From [Pythondiscussion group] 2017-04-17 14:33:09 0  4  1004

python_error - Python,socket.error: [Errno 10061] 由于目標(biāo)計算機積極拒絕，無法連接。

防火墻已關(guān)閉 {代碼...} ps:code from here

From [Pythondiscussion group] 2017-04-17 14:30:18 0  3  1004

javascript - How to put json name into drop-down list?

Now I am working on two drop-down lists to select two places. The names and coordinates of the places are all ...

From [Pythondiscussion group] 2017-06-22 11:51:51 0  6  1003

python - flask application routing to other ports, HTTP service

I have a flask application that binds IP and port. Suppose there is another HTTP application (such as flower, ...

From [Pythondiscussion group] 2017-06-12 09:27:24 0  1  1003

Problems encountered by Python crawlers (ask everyone on mobile Taobao)

When I got the source code of everyone's webpage from Taobao, there was no key content. I don't know where I w...

From [Pythondiscussion group] 2017-05-18 10:49:35 0  1  1003

python中return 語句與 分支語句連用問題

在如下代碼中return ' '.join(s.split()[::-1]) if s.strip() != "" else s為什么if s.strip() != "" else...

From [Pythondiscussion group] 2017-04-18 10:31:56 0  2  1003

在python中from urllib.error import URLError, HTTPError 出錯

from urllib.error import URLError, HTTPErrorImportError: No module named error

From [Pythondiscussion group] 2016-10-28 14:21:22 0  1  1003

python mysql insert statement returns 1064

Traceback (most recent call last): File "python_mysql.py", line 78, in <module> {代碼......

From [Pythondiscussion group] 2017-06-22 11:51:34 0  1  1002

java - 求算法. 在球面上取隨機N個均勻的點(或者間距不小于某距離的點)

希望能在球上獲得均勻分布, 或者 每兩個點之間的間距不小于某個值的N個點的坐標(biāo).點的數(shù)量不需要太大, 在100到200之間就夠用了.球的中心點就是坐標(biāo)系原點. 有看到另外一個大牛寫的.https://www.oschin...

From [Pythondiscussion group] 2017-04-18 10:25:35 0  2  1002