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...data rather than the built-in location provider.如果要获取用户位置数据，使用手机的位置传感器效果要优于内置的位置提供者。Longitude地图中心点的经度Gets the longitude of the center of the Map. To change the longitude, use the PanTo method.获取地图中心...
Given a number, find the next higher number which has the exact same set of digits as the original n
...
Here's a compact (but partly brute force) solution in Python
def findnext(ii): return min(v for v in (int("".join(x)) for x in
itertools.permutations(str(ii))) if v>ii)
In C++ you could make the permutations like this: https://stackoverflow.com/a/9243091/1149664 (It's ...
Shuffle two list at once with same order
...er because I need compare them in the end (it depends on order). I'm using python 2.7
6 Answers
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How to exit pdb and allow program to continue?
... For the extreme cases, nothing beats set_trace = lambda: None. Python org should add a command that just lets you get out of pdb.
– ErezO
Oct 28 '16 at 5:52
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What are the differences among grep, awk & sed? [duplicate]
...hat kind of problem.
a more lazy way might be learning a script language (python, perl or ruby) and do every text processing with it.
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Get Image size WITHOUT loading image into memory
...ontents, PIL is probably an overkill.
I suggest parsing the output of the python magic module:
>>> t = magic.from_file('teste.png')
>>> t
'PNG image data, 782 x 602, 8-bit/color RGBA, non-interlaced'
>>> re.search('(\d+) x (\d+)', t).groups()
('782', '602')
This is a w...
Concatenating two one-dimensional NumPy arrays
...oncatenate(a1, a2, a3) or numpy.concatenate(*[a1, a2, a3]) if you prefer. Python's fluid enough that the difference ends up feeling more cosmetic than substantial, but it's good when the API is consistent (e.g. if all the numpy functions that take variable length argument lists require explicit seq...
What is tail call optimization?
... an iterative loop. You can prefer imperative style. Many languages (Java, Python) doesn't provide TCO, then you have to know that a functional call costs memory... and the imperative style is prefered.
– mcoolive
Nov 7 '16 at 12:41
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Asking the user for input until they give a valid response
...er enters data that can't be parsed.
while True:
try:
# Note: Python 2.x users should use raw_input, the equivalent of 3.x's input
age = int(input("Please enter your age: "))
except ValueError:
print("Sorry, I didn't understand that.")
#better try again... Re...
Combining Multiple Commits Into One Prior To Push
...change the git editor and process the git-rebase-todo file.
The tool using python below:
#!/usr/bin/env python3
#encoding: UTF-8
import os
import sys
def change_editor(current_file):
os.system("git config --local --replace-all core.editor " + current_file) # Set current_file as git editor
...