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What is process.env.PORT in Node.js?
what is process.env.PORT || 3000 used for in Node.js? I saw this somewhere:
4 Answers
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Suppressing “is never used” and “is never assigned to” warnings in C#
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Sep 29 '10 at 11:10
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Can I draw rectangle in XML?
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230
Yes you can and here is one I made earlier:
<?xml version="1.0" encoding="UTF-8"?>
<s...
How to convert a ruby hash object to JSON?
...though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethodError: undefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json'
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ASP.NET WebApi unit testing with Request.CreateResponse
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edited Jul 20 '17 at 8:31
SteveC
12.8k2020 gold badges8282 silver badges143143 bronze badges
answered...
What are the advantages of NumPy over regular Python lists?
...as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a bil...
Using numpad in Vi (Vim) via PuTTY
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edited Apr 15 '19 at 13:55
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Tmux vs. iTerm2 split panes
...rm2
– thatmiddleway
Apr 4 '12 at 18:34
10
If you use tmux for iterm2's split panes, it works exac...
URL matrix parameters vs. query parameters
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3 Answers
3
Active
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how to override left:0 using CSS or Jquery?
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238
The default value for left is auto, so just set it to that and you will "reset" it.
.elem {
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