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Days between two dates? [duplicate]
...est for calendar checks.
from datetime import timedelta, datetime
def cal_days_diff(a,b):
A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
return (A - B).days
if __name__ == '__main__':
x = datetime...
Is Python strongly typed?
...
Python is strongly, dynamically typed.
Strong typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit...
How to change field name in Django REST Framework
...get_alternate_name(self, obj):
return obj.alternate_name
Additionally, you can use serializers.CharField with source attribute:
class ParkSerializer(serializers.ModelSerializer):
location = serializers.CharField(source='other_fields')
class Meta:
model = Park
fiel...
Read a text file using Node.js?
...e.log(data)
});
To break that down a little for you process.argv will usually have length two, the zeroth item being the "node" interpreter and the first being the script that node is currently running, items after that were passed on the command line. Once you've pulled a filename from argv then...
Is it a bad practice to use negative margins in Android?
...elativeLayout.
In 2016, @RomainGuy stated that they have never been officially supported and won't be supported by ConstraintLayout.
It is easy to work around this limitation though.
Add an helper view (height 0dp, width constrained to parent) at the bottom of your base view, at the bottom ad...
How can you use an object's property in a double-quoted string?
... @ozzy432836 You can, of course. Or use format strings. It usually doesn't really matter and comes down to personal preference.
– Joey
Jul 22 '16 at 16:19
add a c...
How to shrink the .git folder
...
you should not delete all changes older than 30 days (i think it's somehow possible exploiting git, but really not recommended).
you can call git gc --aggressive --prune, which will perform garbage collection in your repository and prune old obje...
Declare a constant array
...
I guess allowing constant arrays would require updates to the type system. Otherwise if you defined a function f(xs [5]int) you wouldn't know if the array passed was constant or mutable.
– Thomas Ahle
...
MySQL maximum memory usage
...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections.
Settings & database
MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...
InputStream from a URL
...
Calling this method in UI thread in Android will raise an exception. Do it in a background thread. Use Bolts-Android
– Behrouz.M
Mar 6 '19 at 10:16
...