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Can a foreign key be NULL and/or duplicate?
...inition. Null by definition is not a value. Null means that we do not yet know what the value is.
Let me give you a real life example. Suppose you have a database that stores sales proposals. Suppose further that each proposal only has one sales person assigned and one client. So your proposal tab...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...c struct RSAPublicKey {
INTEGER modulus,
INTEGER publicExponent
}
Now they created SubjectPublicKeyInfo which is basically:
public struct SubjectPublicKeyInfo {
AlgorithmIdentifier algorithm,
RSAPublicKey subjectPublicKey
}
In actual DER ASN.1 definition is:
SubjectPublicKeyInfo ...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...c Beanstalk, I was able to add a container_command to accomplish this, but now I am finding, like @cdmckay, that this causes a deployment failure. If you rebuild your environment it will pick up the client_max_body_size settings as well as long as that instruction is in your config file.
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...ming instance to foo, we're left with:
struct {} foo;
Getting close.
Now, what if this anonymous UDT were to derive from some base?
struct bar {}; // base UDT
struct : bar {} foo; // anonymous derived UDT, and instance thereof
Finally, C++11 introduces extended initialisers, such th...
Resolve Git merge conflicts in favor of their changes during a pull
...abort and try again, but each time I end up with a merge occurring. … I know that a rebase was pushed to my upstream though, so perhaps that's causing this?
– Benjohn
Jul 14 '16 at 9:03
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Exotic architectures the standards committees care about
I know that the C and C++ standards leave many aspects of the language implementation-defined just because if there is an architecture with other characteristics, it would be very difficult or impossible to write a standard conforming compiler for it.
...
“Java DateFormat is not threadsafe” what does this leads to?
...ct details of why DateFormat isn't thread-safe, but for me it's enough to know that it is unsafe without synchronization - the exact manners of non-safety could even change between releases.
Personally I would use the parsers from Joda Time instead, as they are thread safe - and Joda Time is a much...
jQuery.ajax handling continue responses: “success:” vs “.done”?
I have been working with jQuery and AJAX for a few weeks now and I saw two different ways to 'continue' the script once the call has been made: success: and .done .
...
Can you force Visual Studio to always run as an Administrator in Windows 8?
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This is the best solution I have come across. Now I can open .sln files from windows explorer again!
– Max Schilling
Oct 31 '12 at 15:50
39
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
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More information than you would want to know:
http://wiki.secondlife.com/wiki/Message_Queue_Evaluation_Notes
UPDATE
Just elaborating what Paul added in comment. The page mentioned above is dead after 2010, so read with a pinch of salt. Lot of stuff has been bee...