大约有 11,000 项符合查询结果（耗时：0.0242秒） [XML]
How do I convert a numpy array to (and display) an image?
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img.show() don't work in ipython notebook.img_pil = Image.fromarray(img, 'RGB') display(img_pil.resize((256,256), PIL.Image.LANCZOS))
– mrgloom
Jun 11 '19 at 10:15
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What is a vertical tab?
... printer control language like postscript.
@Talvi Wilson noted it used in python '\v'.
print("hello\vworld")
Output:
hello
world
The above output appears to result in the default vertical size being one line. I have tested with perl "\013" and the same output occurs. This could be us...
How do I pass a class as a parameter in Java?
...u get suggest they didn't want people to do this with Java. Much easier in Python : )
– Andrew Puglionesi
Nov 1 '18 at 23:40
add a comment
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Why doesn't Java offer operator overloading?
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It's pretty simple really... Just do like Python and have no overloaded assignment.
– L̲̳o̲̳̳n̲̳̳g̲̳̳p̲̳o̲̳̳k̲̳̳e̲̳̳
Jun 5 '10 at 14:32
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How to determine if a process runs inside lxc/Docker?
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Handy Python function to check if running in Docker:
def in_docker():
""" Returns: True if running in a Docker container, else False """
with open('/proc/1/cgroup', 'rt') as ifh:
return 'docker' in ifh.read()
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Create an array with same element repeated multiple times
In Python, where [2] is a list, the following code gives this output:
25 Answers
25
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An error occurred while signing: SignTool.exe not found
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I am a fairy experienced programmer in Java and Python. I needed to compile a C# project in VS2015 for my own use. This is the only solution I could understand (with the help of Google) on this page.
– chiffa
Aug 25 '15 at 16:17
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Simple regular expression for a decimal with a precision of 2
...left it as [0-9] as I think it's easier to read.
Also, here is the simple Python script I used to check it:
import re
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
ass...
How can I strip first and last double quotes?
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Lots of Pythonistas have similar reactions to REs, which are really unjustified -- REs are quite speedy. Plus, the solution you "prefer", as posted, does something completely different (removes first and last char only if both are d...
How to show multiline text in a table cell
...eded to do the same thing! Don't ask why but I was generating a html using python and needed a way to loop through items in a list and have each item take on a row of its own WITHIN A SINGLE CELL of a table.
I found that the br tag worked well for me. For example:
<!DOCTYPE html>
<HTML&g...