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Base64: What is the worst possible increase in space usage?
...the size of the base-64 representation of a string of size n is:
ceil(n / 3) * 4
So, for a 16kB array, the base-64 representation will be ceil(16*1024/3)*4 = 21848 bytes long ~= 21.8kB.
A rough approximation would be that the size of the data is increased to 4/3 of the original.
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undefined method `source_index' for Gem:Module (NoMethodError)
I'm running a Rails 2.3.5 application and upon running script/server I am shown the following:
5 Answers
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How do I clear a search box with an 'x' in bootstrap 3?
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To get something like this
with Bootstrap 3 and Jquery use the following HTML code:
<div class="btn-group">
<input id="searchinput" type="search" class="form-control">
<span id="searchclear" class="glyphicon glyphicon-remove-circle"></span&g...
Why is a 3-way merge advantageous over a 2-way merge?
Wikipedia says a 3-way merge is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
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How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
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234
A bracket means that end of the range is inclusive -- it includes the element listed. A parenth...
How do I override nested NPM dependency versions?
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243
You can use npm shrinkwrap functionality, in order to override any dependency or sub-dependency....
How to randomly select an item from a list?
..., 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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Should I use a data.frame or a matrix?
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edited Aug 30 '17 at 0:12
answered Mar 1 '11 at 19:00
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Difference between a Seq and a List in Scala
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edited Sep 6 '18 at 14:39
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answered Jun 2 '12 at 23:48
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