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What's the best mock framework for Java? [closed]
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84
votes
I am the creator of PowerMock so obviously I must recommend that! :-)
Power...
When is it appropriate to use C# partial classes?
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84
Multiple Developer Using Partial Classes multiple developer can work on the same class
easily....
How to get a specific version of a file in Mercurial?
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cmcgintycmcginty
96.3k3333 gold badges144144 silver badges150150 bronze badges
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Fast way of counting non-zero bits in positive integer
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I tried adapting Óscar's and Adam's solutions to process the integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of ...
Summarizing multiple columns with dplyr? [duplicate]
...: 1 3.079412 2.979412 2.979412 2.914706
#> 2: 2 3.029126 3.038835 2.967638 2.873786
#> 3: 3 2.854701 2.948718 2.951567 3.062678
Let's try to compare performance.
library(dplyr)
library(purrrlyr)
library(data.table)
library(bench)
set.seed(123)
n <- 10000
df <- data.frame(
a = sa...
How to update Python?
...ow, these answers are for the same bit-versions, and by bit-version I mean 64-bit vs. 32-bit. For example, these answers would apply to updating from 64-bit Python-2.7.10 to 64-bit Python-2.7.11, ie: the same bit-version. While it is possible to install two different bit versions of Python together,...
What does it mean that Javascript is a prototype based language?
...veloper.mozilla.org/en/JavaScript/Guide/…
– pramodc84
Sep 28 '10 at 8:34
1
+1 for a great answe...
How to create a GUID/UUID in Python
...tions such as '+','=', etc..
Instead of hexadecimal, I use a url-safe base64 string. The following does not conform to any UUID/GUID spec though (other than having the required amount of randomness).
import base64
import uuid
# get a UUID - URL safe, Base64
def get_a_uuid():
r_uuid = base64.u...
Reference — What does this symbol mean in PHP?
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|Place Value | 128| 64| 32| 16| 8| 4| 2| 1|
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This representation of 1 Byte
1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 = 255 (1 Byte)
A few examples for better understanding
The "AND" operator: &
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
... understand the difference between == and ===.
– greg84
Jan 19 '13 at 14:10
1
Exactly. There's an...