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Resize fields in Django Admin
... ModelAdmin.formfield_overrides.
It is quite easy - in admin.py, define:
from django.forms import TextInput, Textarea
from django.db import models
class YourModelAdmin(admin.ModelAdmin):
formfield_overrides = {
models.CharField: {'widget': TextInput(attrs={'size':'20'})},
mode...
Programmatically get height of navigation bar
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for me, view.window is nil. So i've to take frame from UIApplication.shared.windows's keywnidow. (iOS 14)
– Lal Krishna
Sep 17 at 9:57
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Difference between solr and lucene
... plain Lucene as it's easy to use. However, they never restrain themselves from customizing Solr to the maximum extent.
BTW, I see that there are more resources on Solr (4.x) than Lucene (4.x).
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Are Java static calls more or less expensive than non-static calls?
... to say "premature opimisation is the root of all evil" I'd get 1000 votes from people who know as much about performance as the parrot.
– rghome
Jan 28 '19 at 14:54
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How does the getView() method work when creating your own custom adapter?
...outInflater takes your layout XML-files and creates different View-objects from its contents.
2: The adapters are built to reuse Views, when a View is scrolled so that is no longer visible, it can be used for one of the new Views appearing. This reused View is the convertView. If this is null it ...
I can't install python-ldap
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You don't have to compile from source on Windows. Just use one of the installers from pypi.python.org/pypi/python-ldap.
– Semmel
Sep 19 '13 at 2:14
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Convert String to Float in Swift
I'm trying to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to Float, so I can multiply them.
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How do I create a datetime in Python from milliseconds?
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Just convert it to timestamp
datetime.datetime.fromtimestamp(ms/1000.0)
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Convert a PHP object to an associative array
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Just typecast it
$array = (array) $yourObject;
From Arrays:
If an object is converted to an array, the result is an array whose elements are the object's properties. The keys are the member variable names, with a few notable exceptions: integer properties are unaccess...
PHP Fatal error: Using $this when not in object context
...lass member, while $foo is just a variable in the function scope (imported from global scope). Function names with the same name as a member are also not an issue.
– Gordon
Feb 28 '10 at 12:08
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