大约有 40,000 项符合查询结果(耗时:0.0512秒) [XML]
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.
...
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...
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
...
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.
...
promise already under evaluation: recursive default argument reference or earlier problems?
Here is my R code. The functions are defined as:
4 Answers
4
...
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.
...
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?
...
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
...
Inline code highlighting in reStructuredText
I know reStructuredText has this directive:
1 Answer
1
...
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:
...