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How to Deal with Temporary NSManagedObject instances?
...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...
What does “rc” mean in dot files
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To understand rc files, it helps to know that Ubuntu boots into several different runlevels. They are 0-6, 0 being "halt", 1 being "single-user", 2 being "multi-user"(the default runlevel), etc. This system has now been outdated by the Upstart and initd programs...
“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
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Wow! Thanks so much! Didn't know about qt.conf, it should on the first page of deployment FAQ
– user2440074
Dec 18 '14 at 10:00
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NTFS performance and large volumes of files and directories
...gradation possibly due to the higher load factor on my SSD (it is 80% full now instead of 45%)
– Spoc
Oct 25 '15 at 8:32
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extra qualification error in C++
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Hello from The Future. You can now force MSVC to warn about this, by enabling warning C4596 - docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/… . I'd go so far as to have it be reported as an error, by adding the compiler switch /we4596
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What is Haskell used for in the real world? [closed]
...ses for this
language?
Rapid application development.
If you want to know "why Haskell?", then you need to consider advantages of functional programming languages (taken from https://c2.com/cgi/wiki?AdvantagesOfFunctionalProgramming):
Functional programs tend to be much more terse than t...
What are the advantages of using the C++ Boost libraries? [closed]
...projects, possibly in other companies, where whatever code you might write now might not be available for reuse
The libraries are described in a line or two here: http://www.boost.org/doc/libs/.
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Difference between $(document.body) and $('body')
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Could be resolved now. There was a time when FF and IE would let you do this, and/or would get confused by items with an id of "body" (the error I hit was a customer using our script on a plastic surgeon's site with a picture tagged with the i...
Putting HTML inside Html.ActionLink(), plus No Link Text?
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Thanks :) Now that I see what we used, I almost get embarrassed, doing these things on the server is such waste of server resources...
– Goran Obradovic
Jun 10 '14 at 18:16
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Having a private branch of a public repo on GitHub?
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GitHub now offers unlimited private repositories to free accounts.
– Nathan F.
Jan 10 '19 at 16:48
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