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In Django, how do I check if a user is in a certain group?
...ming, there is one initial user
user.groups.add(group) # user is now in the "Editor" group
then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
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How to get my IP address programmatically on iOS/macOS?
...ay 16, 2014 (bug pointed out by lhunath, see comments). Loopback addresses now returned, but its easy for you to uncomment the test to exclude them yourself.
EDIT2: (by some unknown person): Improved further March 13, 2015: In case the user uses a VPN (regardless over WiFi or Cellular), the previou...
Disable Visual Studio code formatting in Razor
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I was searching this in exasperation again, I don't know whether they've changed something, but Metroid Hunter's fix works for me in Razor stackoverflow.com/a/28053865/62829
– mattmanser
Feb 16 '15 at 17:44
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clang: how to list supported target architectures?
...RM in general and specifically iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come.
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CSS styling in Django forms
..."class":css})
Put this in your app's templatetags/ folder and you can now do
{{field|addcss:"form-control"}}
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Is it possible to use JavaScript to change the meta-tags of the page?
...cription]').attr('content', new_description);
I think it does matter for now, since google said that they will index ajax content via #!hashes and _escaped_fragment_ calls. And now they can verify it (even automatically, with headless browsers, see the 'Creating HTML Snapshots' link on the page me...
How does Apple know you are using private API?
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There are 3 ways I know. These are just some speculation, since I do not work in the Apple review team.
1. otool -L
This will list all libraries the app has linked to. Something clearly you should not use, like IOKit and WebKit can be detected...
Eclipse: Enable autocomplete / content assist
...s the following:
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ._
Now any time that you type any of these characters, Eclipse will trigger autocomplete suggestions based on the context.
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Installing libv8 gem on OS X 10.9+
...f libv8 in the project I'm working on. I'll be downgrading to OSX 10.8 for now!
– tanookiben
Oct 25 '13 at 19:41
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Flask-SQLalchemy update a row's information
...esd_at = db.Column(db.DateTime) I just run obj.used_at = datetime.datetime.now() db.session.commit() But not value set to the field.
– Rukeith
Oct 30 '18 at 3:51
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