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What is the best way to clear a session variable in rails?
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edited Oct 8 '18 at 9:21
ndnenkov
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What does %5B and %5D in POST requests stand for?
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498
As per this answer over here: str='foo%20%5B12%5D' encodes foo [12]:
%20 is space
%5B is '['
an...
Getting list of lists into pandas DataFrame
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84
With approach explained by EdChum above, the values in the list are shown as rows. To show the ...
How to read the Stock CPU Usage data
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78
This should be the Unix load average. Wikipedia has a nice article about this.
The numbers show...
Declaration suffix for decimal type
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Bridge
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answered Jul 17 '10 at 14:18
Hans PassantHans Pass...
How To Create Table with Identity Column
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quadfinity
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answered May 23 '12 at 18:28
GratzyGratzy
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How do I sort an array of hashes by a value in the hash?
...or in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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Do SVG docs support custom data- attributes?
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EDIT: SVG2, currently W3C Candidate Recommendation (04 October 2018), will support data- directly (without namespaces, the same as HTML). It will take some time before the support is widespread though. Thanks @cvrebert for pointing this out.
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
... of various methods of calling things and came up with these numbers on an 8 core (AMD Ryzen 7 2700X) system running Fedora 29 compiled with clang version 7.0.1 and libc++ (not libstdc++):
Do nothing calls per second: 35365257
Empty calls per secon...
Static variables in member functions
...iammilind
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