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Why are flag enums usually defined with hexadecimal values
... you can see:
0x1 = 1
0x2 = 2
0x4 = 4
0x8 = 8
0x10 = 16
0x20 = 32
0x40 = 64
0x80 = 128
0x100 = 256
0x200 = 512
0x400 = 1024
0x800 = 2048
and so on, as long as you remember the sequence 1-2-4-8 you can build all the subsequent flags without having to remember the powers of 2
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
... for splice and you'll be surprised (while...)
– mate64
Jun 14 '14 at 6:22
4
Sadly for short arra...
Escape a dollar sign in string interpolation
... answered Jun 1 '13 at 18:01
4e64e6
10.2k33 gold badges4545 silver badges5656 bronze badges
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A simple explanation of Naive Bayes Classification
...bilities(c.hypothesis)
c.classify()
output:
Priori Values: {'yes': 0.6428571428571429, 'no': 0.35714285714285715}
Calculated Conditional Probabilities:
{
'no': {
'<=30': 0.8,
'fair': 0.6,
'medium': 0.6,
'yes': 0.4
},
'yes': {
'<=30': ...
Python list of dictionaries search
...a/quQzv (method names see below).
All tests done with Python 3.6.4, W7x64.
from random import randint
from timeit import timeit
list_dicts = []
for _ in range(1000): # number of dicts in the list
dict_tmp = {}
for i in range(10): # number of keys for each dict
dict_tmp[f...
How do I remove an item from a stl vector with a certain value?
...t::remove_erase(vec, int_to_remove);
See http://www.boost.org/doc/libs/1_64_0/libs/range/doc/html/range/reference/algorithms/new/remove_erase.html
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Random number generation in C++11: how to generate, how does it work? [closed]
...on once which forced me to force the seed for std::mt19937 to uint32_t on x64, eventually this should be fixed and you can say MyRNG::result_type seed_val and thus make the engine very easily replaceable.
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How to check if a word is an English word with Python?
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Enchant is not supported at this time for python 64bit on windows :( github.com/rfk/pyenchant/issues/42
– Ricky Boyce
Jul 5 '17 at 0:23
9
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Use of #pragma in C
... aligned on a 4 byte boundary for 32 bit processors or 8 byte boundary for 64 bit processors will typically be loaded and stored in a single operation. Data that is aligned on smaller boundaries will take multiple operations to load or store. This is slower.
– SmacL
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Form inside a table
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64
Note, this solution is only valid with HTML5.
– threenplusone
Feb 14 '14 at 4:18
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