我有两个数据框df1和df2.
我试图找出执行的映射,对于在每一行的最好方式df1,我想搜索匹配(id,time_by_hour)中df2,然后填入相应的值df2回df1。
下面是df1_final我希望它最终看起来的样子。
先感谢您!
df1
Out[100]:
id time_by_min time_by_hour value
0 a 2017-06-30 01:25:00.000 2017-06-30 02:00:00 NaN
1 a 2017-06-30 01:36:32.308 2017-06-30 02:00:00 NaN
2 a 2017-06-30 02:25:00.000 2017-06-30 03:00:00 NaN
3 a 2017-06-30 02:36:32.308 2017-06-30 03:00:00 NaN
4 b 2017-06-30 01:25:00.000 2017-06-30 02:00:00 NaN
5 b 2017-06-30 01:36:32.308 2017-06-30 02:00:00 NaN
6 b 2017-06-30 02:25:00.000 2017-06-30 03:00:00 NaN
df2
Out[101]:
id …Run Code Online (Sandbox Code Playgroud) 我正在开发一个使用 Tkinter 库制作 GUI 的项目。该 GUI 将使用 raspberry pi 3 显示在触摸屏上。
我想阻止用户退出或最小化程序。有什么方法可以禁用或删除标题栏吗?或者有更好的方法来实现这一目标吗?
I'm trying to install TA-Lib package in google colab notebook but without success. I tried this guide and also Installing TA-Lib on python x64
I get this error:
import platform
print (platform.architecture())
import sys
print(sys.version)
!pip install C:/ta-lib/TA_Lib-0.4.17-cp36-cp36m-win_amd64.whl
#########
('64bit', '')
3.6.3 (default, Oct 3 2017, 21:45:48)
[GCC 7.2.0]
Requirement 'C:/ta-lib/TA_Lib-0.4.17-cp36-cp36m-win_amd64.whl' looks like a
filename, but the file does not exist
TA_Lib-0.4.17-cp36-cp36m-win_amd64.whl is not a supported wheel on this
platform.
Run Code Online (Sandbox Code Playgroud) 我有一个名为"时间"的字符串"01:20:23 01:25:36",格式为min:second:millisecond.
我需要使用这两个时间值进行减法.
结果应该是00:05:13(5秒和13毫秒)
我怎么能用Python做到这一点?
对于我在学习中完成的最近评估,我有一段代码要求用户提供四个整数.然后程序必须计算并显示条目中奇数和偶数的数量.代码如下:
# xx assignment 02 question 2
a = int(input("Enter an integer number: "))
b = int(input("Enter an integer number: "))
c = int(input("Enter an integer number: "))
d = int(input("Enter an integer number: "))
e = 0
o = 0
if a % 2 == 0:
e = e + 1
else:
o = o + 1
if b % 2 == 0:
e = e + 1
else:
o = o + 1
if …Run Code Online (Sandbox Code Playgroud) python ×5
mapping ×1
merge ×1
pandas ×1
python-3.x ×1
raspberry-pi ×1
ta-lib ×1
titlebar ×1
tkinter ×1