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'AND' vs '&&' as operator

...bout load times is irrelevant. I'd hope nobody is running a production php site without it... – PeloNZ Sep 18 '18 at 1:38 ...
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Alter column, add default constraint

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Can I restore a single table from a full mysql mysqldump file?

...ble (UNLOCK). Worked for me (re)importing wp_users to a bunch of Wordpress sites. sed -n -e '/DROP TABLE.*`mytable`/,/UNLOCK TABLES/p' mydump.sql > tabledump.sql share | improve this answer ...
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Change a column type from Date to DateTime during ROR migration

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Django ModelForm: What is save(commit=False) used for?

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What is meant by “managed” vs “unmanaged” resources in .NET?

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When should I use perror(“…”) and fprintf(stderr, “…”)?

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Why does an NSInteger variable have to be cast to long when used as a format argument?

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explicit casting from super class to subclass

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Difference between `set`, `setq`, and `setf` in Common Lisp?

...er hand, is subtle indeed -- it's like an "indirection". I suggest http://www.n-a-n-o.com/lisp/cmucl-tutorials/LISP-tutorial-16.html as a better way to get started understanding it than any answer here can give... in short, though, setf takes the first argument as a "reference", so that e.g. (aref ...