大约有 40,000 项符合查询结果(耗时:0.0512秒) [XML]

https://stackoverflow.com/ques... 

Convert number strings with commas in pandas DataFrame to float

I have a DataFrame that contains numbers as strings with commas for the thousands marker. I need to convert them to floats. ...
https://stackoverflow.com/ques... 

How to show line number when executing bash script

I have a test script which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem. Is there a m...
https://stackoverflow.com/ques... 

How to unset max-height?

...max-height property to its default, if it has been previously set in some CSS rule? This doesn't work: 5 Answers ...
https://stackoverflow.com/ques... 

How to open, read, and write from serial port in C?

I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1. ...
https://stackoverflow.com/ques... 

promise already under evaluation: recursive default argument reference or earlier problems?

Here is my R code. The functions are defined as: 4 Answers 4 ...
https://stackoverflow.com/ques... 

How to get different colored lines for different plots in a single figure?

I am using matplotlib to create the plots. I have to identify each plot with a different color which should be automatically generated by Python. ...
https://stackoverflow.com/ques... 

How to create directories recursively in ruby?

I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary. How can one do this in ruby? ...
https://stackoverflow.com/ques... 

How do i put a border on my grid in WPF?

How do i put a border on my grid in C#/WPF? 6 Answers 6 ...
https://stackoverflow.com/ques... 

Inline code highlighting in reStructuredText

I know reStructuredText has this directive: 1 Answer 1 ...
https://stackoverflow.com/ques... 

Using :after to clear floating elements

I have a list and the li's have a float:left; . The contents after the <ul> should be aligned correctly. Therefore i can build the following: ...