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How to get last inserted row ID from WordPress database?
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Straight after the $wpdb->insert() that does the insert, do this:
$lastid = $wpdb->insert_id;
More information about how to do things the WordPress way can be found in the WordPress codex. The details above were found here on the wpdb class page
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PostgreSQL error: Fatal: role “username” does not exist
I'm setting up my PostgreSQL 9.1. I can't do anything with PostgreSQL: can't createdb , can't createuser ; all operations return the error message
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EC2 instance has no public DNS
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How does doing this effect the instances that already have a Public DNS?
– kraftydevil
Apr 6 '16 at 17:07
5
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What is the proper way to check if a string is empty in Perl?
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Upvoted because if (length($str)) is a nice approach and doesn't fail if the variable is not defined.
– basic6
May 19 '15 at 9:32
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how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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How to change the default GCC compiler in Ubuntu?
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how could you do this automatically though? this requires a manual step to check the output of update-alternatives --query gcc, which might not work eg in an automated provisioning script. Also, how can this be made platform agnostic?
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Why are these constructs using pre and post-increment undefined behavior?
...predict the behavior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i.e. requiring that all implementations h...
Most efficient way to determine if a Lua table is empty (contains no entries)?
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Why do we gain speed by doing local next?
– Moberg
Oct 2 '16 at 20:22
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Best way to give a variable a default value (simulate Perl ||, ||= )
I love doing this sort of thing in Perl: $foo = $bar || $baz to assign $baz to $foo if $bar is empty or undefined. You also have $foo ||= $bletch which will only assign $bletch to $foo if $foo is not defined or empty.
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SQL Server - Create a copy of a database table and place it in the same database?
...ate copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ?
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