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How to set a Django model field's default value to a function call / callable (e.g., a date relative
... default value is not recommended (c.f. @stvnw comment). The proper way to do this is to declare a function before the field and use it as a callable in default_value named arg:
from datetime import datetime, timedelta
# default to 1 day from now
def get_default_my_date():
return datetime.now() ...
Can I change a private readonly field in C# using reflection?
I am wondering, since a lot of things can be done using reflection, can I change a private readonly field after the constructor completed its execution?
(note: just curiosity)
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abort, terminate or exit?
...ss and uploads the exception report for the developers' attention, like Windows Error Reporting, Mac OS X error reports and iPhone application error logs.
– JBRWilkinson
May 14 '10 at 9:42
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How do I split a multi-line string into multiple lines?
I have a multi-line string literal that I want to do an operation on each line, like so:
6 Answers
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Integer.toString(int i) vs String.valueOf(int i)
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Just two different ways of doing the same thing. It may be a historical reason (can't remember if one came before the other).
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How do I delete specific lines in Notepad++?
...that and it works. But now I'm trying to replace \n\n with just one \n but doesn't seem to work, any ideas?
– Rismo
May 27 '09 at 21:59
1
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Determining 32 vs 64 bit in C++
... could think of cases where this might fail or if there is a better way to do this. Please note we are trying to do this in a cross-platform, multiple compiler environment.
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submitting a GET form with query string params and hidden params disappear
... HTML 4.01, the spec produces invalid URIs - most browsers didn't actually do this though..
See http://www.w3.org/TR/html401/interact/forms.html#h-17.13.3, step four - the URI will have a ? appended, even if it already contains one.
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How to iterate over a JSONObject?
I use a JSON library called JSONObject (I don't mind switching if I need to).
15 Answers
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AngularJS : When to use service instead of factory
...es.
So, use a factory when you have complex logic in your service and you don't want expose this complexity.
In other cases if you want to return an instance of a service just use service.
But you'll see with time that you'll use factory in 80% of cases I think.
For more details: http://blog.m...