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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...e trusted to accurately represent the state of the data in the table right now. It can, however, but can be trusted to check data added and modified in the future.
Additionally, untrusted constraints are disregarded by the query optimiser.
The code to enable check constraints and foreign key const...
How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
...t explains it. I was looking for a function name, not an operator (Yes, I know that operators are implemented by hidden functions.)
– Ryan C. Thompson
Dec 3 '10 at 19:07
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...on the saveInstanceState method. This was messing things up...
This is a known bug in the support package.
If you need to save the instance and add something to your outState Bundle you can use the following:
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putString(...
python multithreading wait till all threads finished
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okay, i see. now i understand, was a bit confused about it but i think i understand, join sort of attaches the current process to the thread and waits till its done, and if t2 finishs before t1 then when t1 is done it will check for t2 be...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
... several things that it does. Why do you assume that the OP only wants to know 10% of the answer? If all of the info is presented, each person can decide how much of it to take. But if only some info is given, then the choice was made for them. I choose to provide as much info as possible because mo...
Python timedelta in years
...e date. Currently I've got timedelta from datetime module and I don't know how to convert it to years.
16 Answers
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Regular expressions in an Objective-C Cocoa application
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also Mac OS X 10.7 now
– user102008
Jul 21 '11 at 3:07
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What are the rules about using an underscore in a C++ identifier?
...itional type names.
While using these names for your own purposes right now might not cause a problem, they do raise the possibility of conflict with future versions of that standard.
Personally I just don't start identifiers with underscores. New addition to my rule: Don't use double undersco...
How do I PHP-unserialize a jQuery-serialized form?
...sing $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery.
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How to save an image locally using Python whose URL address I already know?
I know the URL of an image on Internet.
13 Answers
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