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Is it possible to modify variable in python that is in outer, but not global, scope?
...ep 17 '19 at 19:29
Markus HirsimäkiMarkus Hirsimäki
1122 bronze badges
...
how to unit test file upload in django
...e more than enough code to get on with your own use case
import tempfile, csv, os
class UploadPaperTest(TestCase):
def generate_file(self):
try:
myfile = open('test.csv', 'wb')
wr = csv.writer(myfile)
wr.writerow(('Paper ID','Paper Title', 'Authors'...
How to get the first column of a pandas DataFrame as a Series?
...
This works great when you want to load a series from a csv file
x = pd.read_csv('x.csv', index_col=False, names=['x'],header=None).iloc[:,0]
print(type(x))
print(x.head(10))
<class 'pandas.core.series.Series'>
0 110.96
1 119.40
2 135.89
3 152.32
4 192.91
5...
Why does pycharm propose to change method to static
...out_self()
def is_not_used(self):
pass
Workaround #2 [Thanks @DavidPärsson]
# noinspection PyMethodMayBeStatic
def bar(self):
doing_something_without_self()
The application I had for this (the reason I could not use @staticmethod) was in making a table of handler functions for respond...
HTTP POST using JSON in Java
... edited Sep 4 at 1:56
ℛɑƒæĿᴿᴹᴿ
1,92622 gold badges2424 silver badges3838 bronze badges
answered Aug 24 '11 at 20:21
...
Converting string to numeric [duplicate]
... "NoData". What do expect/want as.numeric to do with these values?
In read.csv, try using the argument stringsAsFactors=FALSE
Are you sure it's sep="/t and not sep="\t"
Use the command head(pitchman) to check the first fews rows of your data
Also, it's very tricky to guess what your problem is when ...
How to save a list as numpy array in python?
...
Here is a more complete example:
import csv
import numpy as np
with open('filename','rb') as csvfile:
cdl = list( csv.reader(csvfile,delimiter='\t'))
print "Number of records = " + str(len(cdl))
#then later
npcdl = np.array(cdl)
Hope this helps!!
...
Select Pandas rows based on list index
...a the skiprows parameter.
Example
pred = lambda x: x not in [1, 3]
pd.read_csv("data.csv", skiprows=pred, index_col=0, names=...)
This will now return a DataFrame from a file that skips all rows except 1 and 3.
Details
From the docs:
skiprows : list-like or integer or callable, default None
...
I...
二维图表数据如何从文件导入？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
Q: 使用这个功能后，如何显示曲线呢？如何依次获取 x 值和 y 值？test.csv
time,data
1201,6
1202,6.2
1203,6.1
1204,6.5
1205,6.4复制代码从csv加载数据：
效果如下：
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
...
RadioButton单选按钮扩展
扩展列表
1. UrsAI2RadioButton
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...