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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...ression to date has been that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext .
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Django select only rows with duplicate field values
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Creating Threads in python
...he run() method? If you overrided __init__, did you make sure to call the base threading.Thread.__init__()?
After starting the two threads, does the main thread continue to do work indefinitely/block/join on the child threads so that main thread execution does not end before the child threads comp...
What's a good way to extend Error in JavaScript?
... HTMLELement, Array, and others
an object of The class which is extends by base type like Array,Number,Object,String or Error is not instanceof this class
What about the other SO answers?
All the given answers fix the instanceof issue but you lose the regular error console.log:
console.log(new C...
Catching an exception while using a Python 'with' statement
...'oops')
And standard boilerplate: don't use a bare except: which catches BaseException and every other possible exception and warning. Be at least as specific as Exception, and for this error, perhaps catch IOError. Only catch errors you're prepared to handle.
So in this case, you'd do:
>>...
How to execute a Python script from the Django shell?
...command you want to execute from ./manage.py)
from django.core.management.base import BaseCommand
class Command(BaseCommand):
def handle(self, **options):
# now do the things that you want with your models here
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Converting Integer to String with comma for thousands
I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646.
13 Answers
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Traits vs. interfaces
...works great. But maybe a few weeks later you decide you want to use a file-based cache system instead of APC. Now you have to change your controller code because you've programmed your controller to work with the functionality of the ApcCacher class rather than to an interface that expresses the cap...
getenv() vs. $_ENV in PHP
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Git ignore file for Xcode projects
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Based on this guide for Mercurial my .gitignore includes:
.DS_Store
*.swp
*~.nib
build/
*.pbxuser
*.perspective
*.perspectivev3
I've also chosen to include:
*.mode1v3
*.mode2v3
which, according to this Apple mailing l...