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Best practices for circular shift (rotate) operations in C++
...lso an earlier version of this answer on another rotate question with some more details about what asm gcc/clang produce for x86.
The most compiler-friendly way to express a rotate in C and C++ that avoids any Undefined Behaviour seems to be John Regehr's implementation. I've adapted it to rotate ...
Functional design patterns [closed]
...ou build something that must be combined with other monads, resulting in a more complex one able to handle features of both of them.
In Real World Haskell there are a few chapters about monads. In Chapter 14. Monads the authors explain the basics and some common usages (maybe, list, state). Chapter...
Selecting all text in HTML text input when clicked
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To make that more general, you could use this.id as the argument for the click handler. Better yet, you could eliminate the getElementById entirely and pass this as an argument.
– Asad Saeeduddin
Dec...
How to quickly clear a JavaScript Object?
... poor GC means that IE6 will run slower, meaning that there's even more incentive to upgrade. You're still supporting it, it's just that it'll run slow.
– nickf
Mar 26 '09 at 5:47
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Ruby function to remove all white spaces?
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\s+ means 1 or more whitespace characters (space, newline, tab). The // surrounding show that it's a regular expression.
– dylanfm
Jul 27 '11 at 12:26
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How to check whether a string contains a substring in Ruby
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This will also work for multi-line strings.
See Ruby's Regexp class for more information.
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Should I use past or present tense in git commit messages? [closed]
...f using the past tense, e.g. "Added tests for x" though, which feels a lot more natural to me.
7 Answers
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MySQL Error 1093 - Can't specify target table for update in FROM clause
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Update: This answer covers the general error classification. For a more specific answer about how to best handle the OP's exact query, please see other answers to this question
In MySQL, you can't modify the same table which you use in the SELECT part.
This behaviour is documented at:
http:...
View more than one project/solution in Visual Studio
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A solution is more or less like the workspace concept in Eclipse - you can't have two loaded in the same instance.
– rbaleksandar
Sep 17 '18 at 8:00
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JavaScript: filter() for Objects
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