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Color in git-log
...ows the commit at the tip of the current branch e.g. "HEAD -> master", did not work with --decorate=full.
Git 2.9.x+ (Q3 2016) will fix another bug and honor color=auto for %C(auto)
Git 2.10.2 (Oct. 2016) fixes other bugs with commit 82b83da (29 Sep 2016), and commit c99ad27 (17 Sep 2016)...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
... mine: I've always thought it stood for Python. That may sound pretty stupid -- what, P for Python?! -- but in my defense, I vaguely remembered this thread [emphasis mine]:
Subject: Claiming (?P...) regex syntax extensions
From: Guido van Rossum (gui...@CNRI.Reston.Va.US)
Date: Dec 1...
What is the difference between `sorted(list)` vs `list.sort()`?
...5244, 2.8019039630889893, 2.849375009536743]
After some feedback, I decided another test would be desirable with different characteristics. Here I provide the same randomly ordered list of 100,000 in length for each iteration 1,000 times.
import timeit
setup = """
import random
random.seed(0)
l...
How exactly does a generator comprehension work?
...type 'generator' has no len()
>>> # We extract each item out individually. We'll do it manually first.
...
>>> next(filtered_gen)
5
>>> next(filtered_gen)
9
>>> next(filtered_gen)
6
>>> next(filtered_gen) # Should be all out of items and give an error
Tr...
Detect encoding and make everything UTF-8
...ve a mix of them. Encoding::toUTF8() will convert everything to UTF-8.
I did it because a service was giving me a feed of data all messed up, mixing UTF-8 and Latin1 in the same string.
Usage:
require_once('Encoding.php');
use \ForceUTF8\Encoding; // It's namespaced now.
$utf8_string = Encoding...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...
@Visser yeah, what bwing said, also each where clause can have multiple constraints… so the syntax from the original post is correct, it just means something different that the op wanted. where T2 : IBar, IFoo just means that T2 has to implement bot...
What's the false operator in C# good for?
...
You can use it to override the && and || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&a...
Node.js - use of module.exports as a constructor
...t they to can act just like Objects (technically they are Objects). That said your question about using the new keywords has a simple answer: Yes. I'll illustrate...
Module exports
You can either use the exports variable provided to attach properties to it. Once required in another module those as...
What is the difference between “int” and “uint” / “long” and “ulong”?
...
I've spent a LOT of time going through code from people that "SMH" at the idea that this is all just academic/pedantic. These ate the people that write unmaintainable code. Sure, it's easy to use type 'int' and use it without all the extra darn typing. It's a lot of work to figure out what they rea...
How do you create nested dict in Python?
...he next step creating a dictionary on row_key
d[row_key] = {}
for idx, col in enumerate(row):
d[row_key][idx] = col
According to your comment:
may be above code is confusing the question. My problem in nutshell: I
have 2 files a.csv b.csv, a.csv has 4 columns i j k l, b.cs...