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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...ence', 1)
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VALUES (2, 'Must-read for Java developers', 2)
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VALUES (4, 'A great reference book', 4)
N+1 query problem with plain ...
Java String new line
...tring x = "Hello, %n there"; . Added spaces around %n just for the sake of readability.
– Manoj Shrestha
Jun 1 '18 at 20:06
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Python - How to sort a list of lists by the fourth element in each list? [duplicate]
...he operator module). While some people find itemgetter and attrgetter less readable than lambdas, others use them extensively, so it's at least worth being able to read them and know what they do.
– abarnert
Jul 9 '13 at 18:20
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Http 415 Unsupported Media type error with JSON
...ited Dec 7 '16 at 20:48
Matthew Read
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answered May 17 '16 at 15:34
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What is the difference between sql and mysql [closed]
...MySQL is one of many books holding everything, and SQL is how you go about reading that book.
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Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
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Abusing the algebra of algebraic data types - why does this work?
...nked to a paper about that in my answer but I could swear I remember first reading about it on your blog.
– C. A. McCann
Feb 8 '12 at 20:00
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Various ways to remove local Git changes
...It all depends on exactly what you are trying to undo/revert. Start out by reading the post in Ube's link. But to attempt an answer:
Hard reset
git reset --hard [HEAD]
completely remove all staged and unstaged changes to tracked files.
I find myself often using hard resetting, when I'm like "ju...
git revert back to certain commit [duplicate]
...at the user has a remote repository that they are tracking and that they already pushed their bad commits to it.
– Andy
Jul 7 '16 at 21:13
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How to go back (ctrl+z) in vi/vim
... use the u button to undo the last modification. (And Ctrl+R to redo it).
Read more about it at: http://vim.wikia.com/wiki/Undo_and_Redo
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