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“Large data” work flows using pandas
...ation itself: "If you are looking to manage a terabyte or less of tabular CSV or JSON data, then you should forget both Spark and Dask and use Postgres or MongoDB."
– Michele Piccolini
Jul 30 at 15:51
...
Getting individual colors from a color map in matplotlib
...he solutions from Ffisegydd and amaliammr, here's an example where we make CSV representation for a custom colormap:
#! /usr/bin/env python3
import matplotlib
import numpy as np
vmin = 0.1
vmax = 1000
norm = matplotlib.colors.Normalize(np.log10(vmin), np.log10(vmax))
lognum = norm(np.log10([.5, ...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...名就写www.XX.com；新建一个移动站，把phpcms v9全新的网站文件放到移动站下，移动站数据连接和PC的一样，\caches\configs\system.php设置稍微改一下，把原来PC站的域名改成移动站的域名，附件的路径除外，仍用PC站 的，如：’upload_...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将包丢弃：
iptables -A LOGGING -j DROP
另可以配置syslog.conf文件，指定iptables的日志输出。
Have fun!
iptables 配置 实例
完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...ood相关的表中catid没有更新。
解决方法：只需修改一个文件搞定 phpcms/modules/content/content.php
/**
* 批量移动文章
*/
public function remove() {...
改为：
/**
* 批量移动文章
*/
public function ...
Python: fastest way to create a list of n lists
...et with say 50 rows and 20 columns. ie. Train[0] gives me the 1st row of a csv file, train[1] gives me the 2nd row and so on. I am interested in separating the dataset with 50 rows as one list, except the column 0 , which is my explained variable here, so must be removed from the orignal train datas...
Creating a simple XML file using python
...er file, however, also has the position number in the corresponding input (csv) file where the data will be taken from.
This way, if there's any changes to the position of the data coming in from the input file, the program doesn't change; it dynamically works out the data field position from the ap...
解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...于第一个
的用途，还不清楚。
3、在对话框的头文件中，添加一个CImageList对象：
CImageList m_ImageList;
4、在对话框初始化函数中，添加如下代码：
m_ImageList.Create(IDB_BITMAP1, 16,3,RGB(255,255,255));
m_Tree.SetImageList(&m_Image...
python requests file upload
... {'upload_file': open('file.txt','rb')}
values = {'DB': 'photcat', 'OUT': 'csv', 'SHORT': 'short'}
r = requests.post(url, files=files, data=values)
and requests will send a multi-part form POST body with the upload_file field set to the contents of the file.txt file.
The filename will be include...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...ocess
2.2 查询已知相对路径的节点（集）
可使用类似于文件路径的相对路径的方式来查询XML的数据
objNode = objDoc.SelectSingleNode("Company/Department")
objNodeList = objNode.SelectNodes("../Department)
objNode = objNode.SelectNode("Employees/Employee")
...