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Sort a single String in Java
...a lot harder... hopefully you don't need this :) In addition, this is just ordering by ordinal, without taking capitalisation, accents or anything else into account.
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How do I create an average from a Ruby array?
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Some benchmarking of top solutions (in order of most efficient):
Large Array:
array = (1..10_000_000).to_a
Benchmark.bm do |bm|
bm.report { array.instance_eval { reduce(:+) / size.to_f } }
bm.report { array.sum.fdiv(array.size) }
bm.report { array.sum / a...
Dynamically set local variable [duplicate]
...y I was just bitter about all the data stores being replicated or moved in order to handle callback delegates, etc.
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Get object by id()? [duplicate]
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repr outputs the hexadecimal representation of id(a), in order to use ctypes one must convert it back to decimal by using int(hexid, 0). just my two cents here
– architectonic
Mar 18 '16 at 9:07
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What is a vertical tab?
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Microsoft Word uses VT as a line separator in order to distinguish it from the normal new line function, which is used as a paragraph separator.
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Rails: around_* callbacks
...u yield to it, then continue execution. That's why it's called around
The order goes like this: before, around, after.
So, a typical around_save would look like this:
def around_save
#do something...
yield #saves
#do something else...
end
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Converting string from snake_case to CamelCase in Ruby
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In order to use these methods of Rails from pure Ruby, require "active_support/core_ext/string" is suffice, providing Rails is installed already.
– Masa Sakano
Jun 23 '18 at 2:03
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How can I delete Docker's images?
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In order to delete all images, use the given command
docker rmi $(docker images -q)
In order to delete all containers, use the given command
docker rm $(docker ps -a -q)
Warning: This will destroy all your images and conta...
include antiforgerytoken in ajax post ASP.NET MVC
... +1, nice. I just split the @Html.AntiForgeryTokenForAjaxPost in two in order to get the token name in one hand and its value in the other. Otherwise the syntax highlight is all messed up. It ends up like this (removed the single-quotes from the returned result too, so that it behaves like any MV...
Why does += behave unexpectedly on lists?
... operands and makes a new list containing those elements maintaining their order.
+= operator calls __iadd__ method on the list. It takes an iterable and appends all the elements of the iterable to the list in place. It does not create a new list object.
In class foo the statement self.bar +=...