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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, ...
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VIP会员中心 · App Inventor 2 中文网,少儿编程陪伴者
... 文档也是最新的,翻译正在逐步推进,不仅如此,很多额外知识点也补充进了文档,是官方的中文化升级版本。 ...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是共享的,所以不同的进程可以同时操作同一个对象,因此filesysetm不提供这方面的特性保证。当然这种保证也是不可能的,或者至少昂贵的。
filesystem在任何时候,只要不能完成相应的任务,它都可能抛出 basic_filesystem_error异常...
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...
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...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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5)...
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What is the best way to implement nested dictionaries?
...
@jason Depending on the data, I like to use JSON, csv files, or even a sqlite database to store it.
– nosklo
Feb 12 '19 at 6:37
...
