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How to perform OR condition in django queryset?
...t just works. As you'd expect, the | binary operator returns a QuerySet so order_by(), .distinct(), and other queryset filters can be tacked on to the end.
combined_queryset = User.objects.filter(income__gte=5000) | User.objects.filter(income__isnull=True)
ordered_queryset = combined_queryset.order...
Script Tag - async & defer
...hen you can't make them async without additional code to control execution order, but you can make them defer because defer scripts will still be executed in order, just not until after the document has been parsed. If you have that code and you don't need the scripts to run right away, you can mak...
What is the difference between google tag manager and google analytics?
...dorequest the very definition of change requires for something to exist in order to be changed.
– vitoriodachef
Sep 10 '19 at 17:13
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Looping through a hash, or using an array in PowerShell
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How can I enumerate the hash in another order? E.g. when I want to print its content in ascending order (here a ... b ... c). Is it even possible?
– LPrc
Oct 27 '17 at 14:14
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How to set JAVA_HOME in Linux for all users
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find /usr/lib/jvm/java-1.x.x-openjdk
vim /etc/profile
Prepend sudo if logged in as not-privileged user, ie. sudo vim
Press 'i' to get in insert mode
add:
export JAVA_HOME="path that you found"
export PATH=$JAVA_HOME/bin:$PATH
logout and login again, reboot, or us...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...ersion of this implementation is UNSAFE. You should not rely on dictionary order. For example doing d=dict(**d) may change the iteration order of keys.
– xaviersjs
Oct 2 '19 at 0:08
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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In order to run the python script, we need to tell the shell three things:
That the file is a script
Which interpreter we want to execute the script
The path of said interpreter
The shebang #! accomplishes (1.). The shebang ...
Is it possible to use argsort in descending order?
...commands numpy.flipud() or numpy.fliplr() to get the indexes in descending order after sorting using the argsort command. Thats what I usually do.
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Programmer Puzzle: Encoding a chess board state throughout a game
...ve), a draw can be claimed. The positions need not occur in any particular order (meaning it doesn’t have to the same sequence of moves repeated three times). This one greatly complicates the problem because you have to remember every previous board position. If this is a requirement of the proble...
How do I use a PriorityQueue?
...d pass in a comparator which compares in the appropriate way for your sort order. If you give an example of how you want to sort, we can provide some sample code to implement the comparator if you're not sure. (It's pretty straightforward though.)
As has been said elsewhere: offer and add are just d...