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PostgreSQL - how to quickly drop a user with existing privileges
...ges granted to the user.
See the postgres docs for DROP ROLE and the more detailed description of this.
Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same database that the original GRANTS we...
What does |= (single pipe equal) and &=(single ampersand equal) mean
...)
x |= y;
into
x = x | y;
and the same for &. There's a bit more detail in a few cases regarding an implicit cast, and the target variable is only evaluated once, but that's basically the gist of it.
In terms of the non-compound operators, & is a bitwise "AND" and | is a bitwise "OR"....
Is having an 'OR' in an INNER JOIN condition a bad idea?
...
For that UNION will be right. For more details read the following link union-instead-of-or
– Mitul Panchal
Jan 21 '19 at 12:14
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Add a dependency in Maven
...
Can you add more detail regarding the deploy? We have an internal repository, and I want to deploy my local jar installed file to that repository so other developers and our build server will get the jar as well.
– Kiev...
Truncating long strings with CSS: feasible yet?
...ed in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works.
Note this technique also prevents updating the content of the node in JavaScript using the innerHTML property in Firefox. See the end of this post for a workaround.
CSS
.ellipsis {
white-spac...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
... "ebs", then you don't have to worry about data on your root device.
More details here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/RootDeviceStorage.html
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Rails auto-assigning id that already exists
...(default); ERROR: duplicate key value violates unique constraint "t_pkey" DETAIL: Key (id)=(1) already exists.
– Dondi Michael Stroma
Oct 27 '14 at 2:57
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How to change the background color of the options menu?
...comments: just a star is enough):
http://code.google.com/p/android/issues/detail?id=4441
SUMMARY OF SOLUTIONS SO FAR:
Several posters have suggested a hack involving LayoutInflater.Factory. The suggested hack worked for Android <= 2.2 and failed for Android 2.3 because the hack made an undocu...
The Definitive C++ Book Guide and List
... about everything in the language in a very accessible format and in great detail. The fifth edition (released August 16, 2012) covers C++11. [Review]
* Not to be confused with C++ Primer Plus (Stephen Prata), with a significantly less favorable review.
Programming: Principles and Practice Using C+...
What is better: @SuppressLint or @TargetApi?
..., just in my particular case I'll stick to the workaround. Thanks for this detailed and very understandable explanation -- and at this chance, thanks also for your very helpful web pages which helped me a lot to understand some of the concepts of Android programming! R.
– riche...