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How can the Euclidean distance be calculated with NumPy?
... pA, ord=2, axis=1.) # 'distances' is a list
Remember several things:
Python function calls are expensive.
[Regular] Python doesn't cache name lookups.
So
def distance(pointA, pointB):
dist = np.linalg.norm(pointA - pointB)
return dist
isn't as innocent as it looks.
>>> d...
How do I “decompile” Java class files? [closed]
... they are actively developed. Use Procyon, the CFR decompiler or Krakatau (Python) instead.
– Janus Troelsen
Aug 22 '13 at 11:26
...
Django templates: verbose version of a choice
...ms quite universal :) Can't tell for sure, because I haven't done too much Python or Django since that time. It's pretty sad, though, that it still needs a 3rd party (not included in Django) filter (otherwise you'd tell us, Ivan, wouldn't you? ;))...
– Artur Gajowy
...
npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
...ne finding an issue of the installers taking forever, I found my issue was python, I uninstalled both my versions 3 and versions 2.
The re-ran the command in PowerShell terminal as the admin and it installed almost straight away.
npm install --global --production windows-build-tools
...
How to install gem from GitHub source?
...
This is exactly what I was looking for, similar to Python's pip git support. gem specific_install -l <url to project on github> worked like a charm!
– Murph
Nov 19 '12 at 10:26
...
Command-line Unix ASCII-based charting / plotting tool
...hich could be fit together to make
line, not bar, plots ?)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division
import numpy as np
__version__ = "2015-01-02 jan denis"
#...............................................................................
def onelineplot( x, ...
What do the terms “CPU bound” and “I/O bound” mean?
...atch?v=_cyVDoyI6NE "CPU vs GPU (What's the Difference?) - Computerphile"
CPython Global Intepreter Lock (GIL)
As a quick case study, I want to point out to the Python Global Interpreter Lock (GIL): What is the global interpreter lock (GIL) in CPython?
This CPython implementation detail prevents mul...
Named placeholders in string formatting
In Python, when formatting string, I can fill placeholders by name rather than by position, like that:
19 Answers
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
...r with Notepad++. I use Notepad++ mainly for quick editing files (Haskell, Python, C#, HTML, JS, CSS, etc.), copying & paste pieces of text and running macros on it, etc.
...
Unpacking, extended unpacking and nested extended unpacking
...
I find the Python 2 tuple unpacking pretty straightforward. Each name on the left corresponds with either an entire sequence or a single item in a sequence on the right. If names correspond to single items of any sequence, then there mu...