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How to find where a method is defined at runtime?
...(:ago)
# => #<Method: Fixnum(ActiveSupport::CoreExtensions::Numeric::Time)#ago>
m.__file__
# => "/Users/james/.rvm/gems/ree-1.8.7-2010.01/gems/activesupport-2.3.8/lib/active_support/core_ext/numeric/time.rb"
m.__line__
# => 64
For Ruby 1.9 and beyond, there is source_location (than...
Why would I ever use push_back instead of emplace_back?
...me that emplace_back does everything push_back can do, but some of the time it will do it better (but never worse).
5 A...
How to make shallow git submodules?
...e current way to do it. Also, it's not clear if all of that is needed each time somebody clones new copy or these sparce submodule settings become part of the repo that references these submodules (eg each new clone and submodule update results in sparce submodule checkouts)
– ...
How to delete a localStorage item when the browser window/tab is closed?
...indeed useful. It might be nice to accept the answer (even after all this time).
– Richard Morgan
Sep 22 '13 at 11:17
8
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How does the ARM architecture differ from x86? [closed]
...se the arm has a good set of registers, where as the x86 spends 1/2 of its time moving data in and out of its limited set of registers (this is less true of x86-64, is it has more registers). And partly because the Arm's simplicity leaves room for a bigger cache, and has all instructions conditional...
Best way to parse command-line parameters? [closed]
...said, I have to confess that I've made much more egregious shortcuts in my time than the one in this answer.
– tresbot
Aug 19 '15 at 5:38
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How can I extract embedded fonts from a PDF as valid font files?
...nal reshuffling and renaming of their binaries, not just once, but several times. The main utility used to be a 'swiss knife'-alike binary called mubusy (name inspired by busybox?), which more recently was renamed to mutool. These support the sub-commands info, clean, extract, poster and show. Unfor...
Calculate total seconds in PHP DateInterval
...
Could you not compare the time stamps instead?
$now = new DateTime('now');
$diff = $date->getTimestamp() - $now->getTimestamp()
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Input size vs width
...n typography, 'em' used to mean the width of the 'M' character. For a long time, I believed the same thing. However, in CSS and digital typography, the 'em' equals the height of the font in points. This is to accommodate character sets that do not have the 'M' character, or where the 'M' is not th...
MySQL date format DD/MM/YYYY select query?
...") AS 'NAME'
Reference: https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html
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