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HTTP status code for update and delete?
... use 204 or 404 (DELETE operation is idempotent, delete an already deleted item is operation successful, so you can return 204, but it's true that idempotent doesn't necessarily imply the same response)
Other errors:
400 Bad Request (Malformed syntax or a bad query is strange but possible).
401 U...
Creating Unicode character from its number
...ing(charPair);
// we now have str with the desired character as the first item
// confirm that we indeed have character with code point 128149
System.out.println("First code point: " + symbol.codePointAt(0));
I also did a quick test as to which conversion methods work and which don't
int codePoi...
Set size on background image with CSS?
...io of box is different from image. */
background-size: cover;
}
.resize-best-fit{
/* Resize to best fit and retain aspect ratio.
Will cause gap if aspect ratio of box is different from image. */
background-size: contain;
}
In particular, I like the cover and contain values that gives us ne...
Python JSON serialize a Decimal object
...ct=True, tuple_as_array=True,
bigint_as_string=False, sort_keys=False, item_sort_key=None,
for_json=False, ignore_nan=False, **kw):
So:
>>> json.dumps(Decimal('3.9'))
'3.9'
Hopefully, this feature will be included in standard library.
...
Where should signal handlers live in a django project?
...ns of Django, signal registration usually happened in the models module.
Best practice is to define your handlers in handlers.py in a signals submodule, e.g. a file that looks like:
yourapp/signals/handlers.py:
from django.db.models.signals import pre_save
from django.dispatch import receiver
fr...
Selenium c# Webdriver: Wait Until Element is Present
... was deprecated as pointed out by Samuel. Checking for the existence of an item now waits up to the specified time.
– Jim Scott
Jun 1 '17 at 0:47
add a comment
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PostgreSQL ERROR: canceling statement due to conflict with recovery
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This is the solution we ended up using. Seems like the best compromise between all the options presented here.
– mohit6up
Oct 11 '18 at 14:04
2
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
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That changes when you click the Generate Database From Model context menu item. The confusing part is that this action does more than simply generating a DDL script. In fact, it changes the EDMX file to include SSDL information. From this point on, the EDMX file will enter a state in which every en...
Python coding standards/best practices [closed]
In python do you generally use PEP 8 -- Style Guide for Python Code as your coding standards/guidelines? Are there any other formalized standards that you prefer?
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Java: Static vs inner class [duplicate]
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I just was reading it . Item 22: Favor static member classes over nonstatic
– Raymond Chenon
Jul 22 '11 at 14:38
5
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