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Is inject the same thing as reduce in ruby?
...many other programming languages and in Mathematics. Ruby aliases a lot in order to be intuitive to programmers with different backgrounds. If you want to use #length on an Array, you can. If you want to use #size, that's fine too!
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Validating IPv4 addresses with regexp
...ress. Anyone that wishes to edit this answer, please comment first here in order to avoid problems like these - I usually reply pretty fast. Always looking for a shorter/better solution of course.
– Danail Gabenski
Dec 25 '19 at 6:16
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what is the unsigned datatype?
... is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers
— void
— char
— signed char
— unsigned char
— short, signed short, short int, or signed short int
— unsigned short, or unsigned short...
ActionController::InvalidAuthenticityToken
...ts some headers with more information about the original client request in order to be able to apply various processing tasks and security measures.
More details are available here: https://github.com/rails/rails/issues/22965.
TL;DR: the solution is to add some headers:
upstream myapp {
server ...
How can I make the cursor turn to the wait cursor?
...weren't on top?)
Here's the main log, which shows things happening in the order we expect:
16:51:33.1064 Launching lengthy operation...
16:51:33.1215 Task Start
16:51:33.1215 Before Await
16:51:33.1215 ...Lengthy operation launched.
16:51:49.1276 After await
16:51:49.1537 Finally
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Single Page Application: advantages and disadvantages [closed]
...pages.
The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the same. if you will use a server side rendering scheme the server would then render it...
Generate a heatmap in MatPlotLib using a scatter data set
...y (e.g., square bins don't,
e.g., the distance from a point on a square's border to a point
inside that square is not everywhere equal) and
hexagon is the highest n-polygon that gives regular plane
tessellation (i.e., you can safely re-model your kitchen floor with hexagonal-shaped tiles because you...
Coding Practices which enable the compiler/optimizer to make a faster program
...
The order you traverse memory can have profound impacts on performance and compilers aren't really good at figuring that out and fixing it. You have to be conscientious of cache locality concerns when you write code if you care a...
Wildcards in jQuery selectors
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is __future__ in Python used for and how/when to use it, and how it works
...ith keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you will need to use the import from above.
Another example is
from __future__ import division
print 8/7 # prints 1.1428571428571428
print 8//7 # prints 1
Wit...