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Difference between static STATIC_URL and STATIC_ROOT on Django
...this can be misleading. What I mean by leaving it empty is that is usually starts out empty, no files in it. I will update the answer to remove the confusion.
– keni
Apr 18 '18 at 13:33
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Why doesn't django's model.save() call full_clean()?
...dering, the auto clean on save is not enabled in django kernel.
If we are starting a new project and want the default save method on Model could clean automatically, we can use the following signal to do clean before every model was saved.
from django.dispatch import receiver
from django.db.model...
How to compare two colors for similarity/difference
...y Vadim will not match the human-perceived distance between colors. For a start, Lab* is intended to be a perceptually uniform colorspace, and the deltaE metric is commonly used. But there are more refined colorspaces and more refined deltaE formulas that get closer to matching human perception.
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...in a comment on anther answer, this has a fatal flaw - if the other script starts up between the check and the echo, you're toast.
– Paul Tomblin
Oct 9 '08 at 0:43
1
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How to add a new row to an empty numpy array
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The way to "start" the array that you want is:
arr = np.empty((0,3), int)
Which is an empty array but it has the proper dimensionality.
>>> arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr...
Java packages com and org
...or organisations have a .com, or .org domain name, and hence most packages start with com. or org.. To quote from the Sun Code Conventions:
The prefix of a unique package name is always written in all-lowercase ASCII letters and should be one of the top-level domain names, currently com, edu, gov, ...
Signal handling with multiple threads in Linux
...t;
}
/*
* Found a killable thread. If the signal will be fatal,
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
!(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
(sig == SIGKILL || !...
How can I install from a git subdirectory with pip?
...y" component is used. Value of "subdirectory" component
should be a path starting from root of the project to where setup.py
is located.
So if your repository layout is:
- pkg_dir/
- setup.py # setup.py for package ``pkg``
- some_module.py
- other_dir/
- some_file
- some_other_file
...
How are people managing authentication in Go? [closed]
...ngs with beginners. I wonder what kind of thing that a beginner should get started with it. go-http-auth or gomniauth or both of them?
– Casper
Jun 30 '16 at 2:29
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How to view the Folder and Files in GAC?
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Launch the program "Run" (Windows Vista/7/8: type it in the start menu search bar) and type:
C:\windows\assembly\GAC_MSIL
Then move to the parent folder (Windows Vista/7/8: by clicking on it in the explorer bar) to see all the GAC files in a normal explorer window. You can now copy,...