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Android ListView Divider
...The drawable to use.
*/
Looks like setDividerHeight() must be called in order for the divider to show up if it has no intrinsic height
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Getting attribute using XPath
...of this node-set -- and this is the string value of the first (in document order) node from this node-set.
– Dimitre Novatchev
Oct 22 '14 at 5:25
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?
...d by an offset from UTC. The meaning is the same as JavaScript's, but the order of subtraction is inverted, so the result carries the opposite sign.
Also, there is no method on the native Date object called format, so your function in #1 will fail unless you are using a library to achieve this. R...
Converting int to bytes in Python 3
...
From python 3.2 you can do
>>> (1024).to_bytes(2, byteorder='big')
b'\x04\x00'
https://docs.python.org/3/library/stdtypes.html#int.to_bytes
def int_to_bytes(x: int) -> bytes:
return x.to_bytes((x.bit_length() + 7) // 8, 'big')
def int_from_bytes(xbytes: bytes) -> i...
How can I detect when the mouse leaves the window?
...
In order to detect mouseleave without taking in account the scroll bar and the autcomplete field or inspect :
document.addEventListener("mouseleave", function(event){
if(event.clientY <= 0 || event.clientX <= 0 || (eve...
How to replace (or strip) an extension from a filename in Python?
...u would need to add an arbitrarily long chain of .with_suffix('') calls in order to deal with an arbitrary number of dots . in a file extension (admittedly, more than 2 is an exotic edge case).
– tel
May 28 '19 at 2:50
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How do I raise a Response Forbidden in django
...48/… I'm not sure about Django, but Django REST Framework has: from rest_framework import status status.HTTP_403_FORBIDDEN 403
– David Watson
Mar 4 '16 at 18:35
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How to view the SQL queries issued by JPA?
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In order to view all the SQL and parameters in OpenJPA, put these two parameters in the persistence.xml:
<property name="openjpa.Log" value="DefaultLevel=WARN, Runtime=INFO, Tool=INFO, SQL=TRACE"/>
<property name="open...
How do I use itertools.groupby()?
...meone. It's probably because your array is not sorted try groupby(sorted(my_collection, key=lambda x: x[0]), lambda x: x[0])) under the assumption that my_collection = [("animal", "bear"), ("plant", "cactus"), ("animal", "duck")] and you want to group by animal or plant
– Robi...
Nested attributes unpermitted parameters
...ection and now you must whitelist params in the controller (instead of attr_accessible in the model) because the former optional gem strong_parameters became part of the Rails Core.
This should look something like this:
class PeopleController < ActionController::Base
def create
Person.cre...