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How to add 'ON DELETE CASCADE' in ALTER TABLE statement
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You can not add ON DELETE CASCADE to an already existing constraint. You will have to drop and re-create the constraint. The documentation shows that the MODIFY CONSTRAINT clause can only modify the state of a constraint (i-e: ENABLED/DISABLED...).
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CSS: center element within a element
...element"></div>
</div>
UPDATE:
It seems that I didn't read the OP edit at the time I wrote this answer. The above code will center all inner elements (without overlapping between them), but the OP wants just an specific element to be centered, not the other inner elements. So @W...
How do I “undo” a --single-branch clone?
...Just wanted to offer you a special thanks because I did a heck of a lot of reading and googling and wasn't able to come across anything like this.
– danieltalsky
Jul 18 '13 at 13:26
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Is a GUID unique 100% of the time?
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I just thought its funny to read it out so here have fun guys :) Thirty four undecillion twenty eight decillion two hundred thirty six nonillion six hundred ninety two octillion ninety three septillion eight hundred forty six sextillion three hundred fo...
How do I debug an MPI program?
...ugging. Item #6 in the FAQ describes how to attach GDB to MPI processes. Read the whole thing, there are some great tips.
If you find that you have far too many processes to keep track of, though, check out Stack Trace Analysis Tool (STAT). We use this at Livermore to collect stack traces from p...
How can one check to see if a remote file exists using PHP?
...s solution is good but this is faster for large files (as it only tries to read 1 byte):
if (false === file_get_contents("http://example.com/path/to/image",0,null,0,1)) {
$image = $default_image;
}
share
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Git push existing repo to a new and different remote repo server?
...g on How to properly mirror a git repository.
I strongly encourage you to read the blog for some very important details, but the short version is this:
In a new directory run these commands:
git clone --mirror git@example.com/upstream-repository.git
cd upstream-repository.git
git push --mirror gi...
Make Font Awesome icons in a circle?
...Badhe has told in his answer the same more than 2 years ago. Why dont you read other answers before writing yours?
– Taras Yaremkiv
Aug 30 '17 at 9:47
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Where can I find the IIS logs?
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@Andy did you read the 2nd half of the answer and check the configuration of the web site in IIS?
– Mick
Mar 27 '18 at 23:22
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How to comment out a block of code in Python [duplicate]
..., you are adding complexity to your code without any real benefit. Someone reading that would have to figure out why is that code there and what is it suppouse to do.
– Facundo Casco
May 25 '12 at 15:49
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