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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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Which timestamp type should I choose in a PostgreSQL database?
...e timezone in the database if possible
Random programming language note: Python's datetime data type is very good at maintaining the distinction between absolute vs relative times (albeit frustrating at first until you supplement it with a library like PyTZ).
EDIT
Let me explain the difference...
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...
Is Java really slow?
...tc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far ...
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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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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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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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...