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When would anyone use a union? Is it a remnant from the C-only days?
...o types of contents in the union but obviously, the union doesn't scale anymore.
Use case 3:
As the authors of a recommendation for the ISO C++ Standard put it back in 2008,
Many important problem domains require either large numbers of objects or limited memory
resources. In these situation...
Reliable method to get machine's MAC address in C#
... NetworkInterfaceType (msdn.microsoft.com/en-us/library/…) will give you more information about the NetworkInterface connection so you can make a more informed choice. Also bear in mind that there could be many active connections on a machine and their order may not be predictable.
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Sublime text 2 - find and replace globally ( all files and in all directories )
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I don't pretend to know more than the creator of ST himself but you could just close the files (middle mouse click or ctrl+w) where you don't need the changes done and then click replace. Afterwards you can use Ctrl+Shift+t to reopen the closed file...
How do you increase the max number of concurrent connections in Apache?
...ss can service only 50 concurrent connections/clients i.e. 25x2=50. Now if more concurrent users comes, then another child process will start, that can service another 25 users. But how many child processes can be started is controlled by ServerLimit parameter, this means that in the configuration a...
Thread Safety in Python's dictionary
...bot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details.
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How can I change the color of AlertDialog title and the color of the line under it
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How do you downgrade rubygems?
...2 to 1.4.2 because of old rails version:
sudo gem update --system 1.4.2
More information about downgrading/upgrading rubygems: https://github.com/rubygems/rubygems/blob/master/UPGRADING.md
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How to check if a user is logged in (how to properly use user.is_authenticated)?
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How to pull request a wiki page on GitHub?
...p migrating the whole lot into Jekyll so this isn't how riskfirst works anymore
– Rob Moffat
Feb 8 '19 at 17:22
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Can PHP cURL retrieve response headers AND body in a single request?
...n handling certain types of redirects. @Geoffrey's answer may handle these more reliably.
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