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Efficient way to insert a number into a sorted array of numbers?
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Just as a single data point, for kicks I tested this out inserting 1000 random elements into an array of 100,000 pre-sorted numbers using the two methods using Chrome on Windows 7:
First Method:
~54 milliseconds
Second Method:
~57 seconds
So, at least on this setup, the native method doesn...
Code Golf: Lasers
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Perl, 166 160 characters
Perl, 251 248 246 222 214 208 203 201 193 190 180 176 173 170 166 --> 160 chars.
Solution had 166 strokes when this contest ended, but A. Rex has found a couple ways to shave off 6 more characters:
s!.!$t{...
How to iterate a loop with index and element in Swift
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Yes. As of Swift 3.0, if you need the index for each element along with its value, you can use the enumerated() method to iterate over the array. It returns a sequence of pairs composed of the index and the value for each item in the array. For...
Python: print a generator expression?
...ator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you can't stick that on a line by itself, you'll get a syntax error. But you can put parenthesis around it.
>>> (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is som...
Declaring variables inside or outside of a loop
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20 Answers
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How can I check if character in a string is a letter? (Python)
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AMC
2,22966 gold badges1010 silver badges2828 bronze badges
answered Mar 21 '13 at 21:24
rainerrainer
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Height equal to dynamic width (CSS fluid layout) [duplicate]
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edited Dec 5 '14 at 16:05
chridam
82.4k1818 gold badges159159 silver badges185185 bronze badges
answe...
Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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170
The purpose of the activation function is to introduce non-linearity into the network
in turn, ...
Text Progress Bar in the Console [closed]
...ssBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 100, fill = '█', printEnd = "\r"):
"""
Call in a loop to create terminal progress bar
@params:
iteration - Required : current iteration (Int)
total - Required : total iterations (Int)
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Bash, no-arguments warning, and case decisions
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if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you gave 1' ;;
*) echo 'you gave something else' ;;
esac
The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat...