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Possible to do a MySQL foreign key to one of two possible tables?
... do take advantage of database-enforced referential integrity:
Create one extra table per target. For example popular_states and popular_countries, which reference states and countries respectively. Each of these "popular" tables also reference the user's profile.
CREATE TABLE popular_states (
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Text inset for UITextField?
... This is the best solution without subclassing and doesn't require extra, unnecessary views to be placed on screen! +1!
– Rambatino
Nov 10 '14 at 20:34
1
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Referring to a Column Alias in a WHERE Clause
... Do you happen to know how this fairs efficiency wise? Is there extra overhead using a CTE?
– James
Jul 4 '14 at 9:20
5
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How to exit from the application and show the home screen?
...tent as
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
also, add some extra like boolean to the intent
intent.putExtra("EXIT", true);
Then in root activity, check the value of the boolean and according to that call finish(), in the onCreate() of the root activity
if (getIntent().getBooleanE...
Bomb dropping algorithm
...to bomb
away the perimeter in a less than optimal fashion, but by using X extra bombs make
the problem of reducing the inner layer simpler by >X bombs. So, if we call
the permiter layer one, if we place an extra X bombs somewhere in layer 2 (just
inside layer 1), can we reduce the effort of ...
Class Not Found Exception when running JUnit test
... to run it. I think this is probably a preferable first step before adding extra mvn build targets.
– Roger
Sep 19 '14 at 16:20
8
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Where to install Android SDK on Mac OS X?
...heir licenses or those of the packages they depend on were not accepted: extras;intel;Hardware_Accelerated_Execution_Manager emulator tools ... ==> Exit status of failed command: #<Process::Status: pid 34109 exit 1>
– Pete
Dec 19 '17 at 9:50
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Does free(ptr) where ptr is NULL corrupt memory?
...L Perq running PNX, which was based on Version 7 Unix with some System III extras). But I've not code that way for a long time.
– Jonathan Leffler
Mar 11 '10 at 14:06
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When do I use fabs and when is it sufficient to use std::abs?
...t, long, long long, std::intmax_t, float, double, long double. No short or char versions (or unsigned versions) that I can see.
– user673679
Mar 2 at 17:41
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How to integrate CSS pre-processing within Eclipse? [closed]
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+1 for not installing any extra tools and using eclipse as is... Another option could be "colorer.sourceforge.net/eclipsecolorer"
– spankmaster79
Nov 5 '12 at 10:51
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