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Overriding class constants vs properties
...>test;
}
Note the static keyword. This is uses "late static binding". Now you're parent class will call the const of your child class.
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Select between two dates with Django
...56677 It's an arbitrary field in a model. You can set the DateField's auto_now_add parameter to True in order to have it easily.
– Benbb96
Mar 26 '18 at 13:28
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Length of generator output [duplicate]
...y Fibonacci numbers as you want by calling next().
If you really need to know the number of items there are, then you can't iterate through them linearly one time anyway, so just use a different data structure such as a regular list.
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String replacement in Objective-C
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it doesn't change. str now contains a whole new string. stringByReplacingOccurencesOfString does NOT mutate the string. It simply return a new string.
– Septiadi Agus
Jun 28 '13 at 8:56
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subtract two times in python
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If you know from your domain that two datetime.time objects a and b are from the same day, and that b > a, then the operation b - a has perfect meaning.
– swalog
Feb 5 '14 at 13:51
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Accessing the index in 'for' loops?
...e want to iterate over with an index:
items = ['a', 'b', 'c', 'd', 'e']
Now we pass this iterable to enumerate, creating an enumerate object:
enumerate_object = enumerate(items) # the enumerate object
We can pull the first item out of this iterable that we would get in a loop with the next fun...
How can I override the OnBeforeUnload dialog and replace it with my own?
... answered Nov 10 '08 at 0:21
OwenOwen
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SparseArray vs HashMap
...n Android object it needs to be mocked for unit testing. Where possible I now use Java's own objects to simplify testing.
– David G
Mar 20 '17 at 16:29
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Using success/error/finally/catch with Promises in AngularJS
...lso my Eclipse runs amok when it sees the .catch(, so I use ["catch"]( for now. How can I tame Eclipse?
– Giszmo
Mar 29 '15 at 18:43
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Parse JSON in TSQL
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Update: As of SQL Server 2016 parsing JSON in TSQL is now possible.
Natively, there is no support. You'll have to use CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB ...