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django template display item value or empty string
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edited May 9 '13 at 10:52
answered May 9 '13 at 10:46
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How do I check out a specific version of a submodule using 'git submodule'?
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173
Submodule repositories stay in a detached HEAD state pointing to a specific commit. Changing tha...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
...= MyClass.instanceFromNib
self.view.addSubview(view())
UPDATE Swift >=3.x & Swift >=4.x
class func instanceFromNib() -> UIView {
return UINib(nibName: "nib file name", bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! UIView
}
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Can you get DB username, pw, database name in Rails?
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Sam Hartman
5,26322 gold badges1919 silver badges3333 bronze badges
answered Dec 30 '08 at 2:47
Robert GambleRobert G...
Event system in Python
...ated packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Jan 2019
zope.event 4.4: 2018
pyeventdispatcher 0.2.3a0: 2018
buslane 0.0.5: 2018
PyPyDispatcher 2.1.2: 2...
Truncating long strings with CSS: feasible yet?
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answered Jul 9 '09 at 3:27
Simon LieschkeSimon Lieschke
12.1k66 gold badges4343 silver badges6060 bronze badges
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Turning a string into a Uri in Android
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edited Jun 28 '13 at 18:40
Peter Ajtai
52.9k1111 gold badges117117 silver badges138138 bronze badges
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MongoDB: Find a document by non-existence of a field?
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331
Try the $exists operator:
db.mycollection.find({ "price" : { "$exists" : false } })
and...