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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
...
Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
...
Get all related Django model objects
... getattr(a, link).all()
for object in objects:
# do something with related object instance
I spent a while trying to figure this out so I could implement a kind of "Observer Pattern" on
one of my models. Hope it's helpful.
Django 1.8+
Use _meta.get_fields(): https://docs.djangoprojec...
os.path.dirname(__file__) returns empty
...ath.basename(filename) == filename
Both dirname() and basename() only split the passed filename into components without taking into account the current directory. If you want to also consider the current directory, you have to do so explicitly.
To get the dirname of the absolute path, use
os.pa...
How do I calculate the date in JavaScript three months prior to today?
... that one month ago means the same day of the month on the previous month citation needed. But more than half the time, that is 31 days ago, not 30. And if today is the 31st of the month (and it isn't August or Decemeber), that day of the month doesn't exist in the previous month.
Interestingly, ...
Is generator.next() visible in Python 3?
...g.__next__(). The reason for this is consistency: special methods like __init__() and __del__() all have double underscores (or "dunder" in the current vernacular), and .next() was one of the few exceptions to that rule. This was fixed in Python 3.0. [*]
But instead of calling g.__next__(), use nex...
Removing duplicate objects with Underscore for Javascript
...5},{a:2},{a:3},{a:4},{a:3},{a:2}];
var uniqueList = _.uniq(list, function(item, key, a) {
return item.a;
});
// uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for comparison
First comparison object with unique return value used...
How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
Where is my Django installation?
...lt;module 'django' from '/usr/local/lib/python2.6/dist-packages/django/__init__.pyc'>
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Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
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