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When saving, how can you check if a field has changed?
...mixin that tracks model fields' values and provide some useful api
to know what fields have been changed.
"""
def __init__(self, *args, **kwargs):
super(ModelDiffMixin, self).__init__(*args, **kwargs)
self.__initial = self._dict
@property
def diff(self):
...
Locking a file in Python
...ired.")
with open("myfile.txt"):
# work with the file as it is now locked
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Is there a way to word-wrap long words in a div?
I know Internet Explorer has a word-wrap style, but I'd like to know if there is a cross-browser method of doing so to text in a div.
...
C#: Printing all properties of an object [duplicate]
...
The ObjectDumper class has been known to do that. I've never confirmed, but I've always suspected that the immediate window uses that.
EDIT: I just realized, that the code for ObjectDumper is actually on your machine. Go to:
C:/Program Files/Microsoft Visual...
How to use background thread in swift?
..., after the previous code in outer block")
})
})
Pre Swift 1.2 – Known issue
As of Swift 1.1 Apple didn't support the above syntax without some modifications. Passing QOS_CLASS_BACKGROUND didn't actually work, instead use Int(QOS_CLASS_BACKGROUND.value).
For more information see Apples do...
Convert java.util.Date to String
...14 14:05:09
java.time
The modern way is with the java.time classes that now supplant the troublesome old legacy date-time classes.
First convert your java.util.Date to an Instant. The Instant class represents a moment on the timeline in UTC with a resolution of nanoseconds (up to nine (9) digits...
Test iOS app on device without apple developer program or jailbreak
...lso, you must do this for every .sdk you want to be able to run on device.
Now, in your project settings, you can change Code Signing Identity to Don't Code Sign.
Your app should now build and install on your device successfully.
UPDATE:
There are some issues with iOS 5.1 SDK that this method may no...
Blocks and yields in Ruby
...
Good to know different ways to trigger a block.
– LPing
Jun 25 '15 at 0:11
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Update built-in vim on Mac OS X
I know this might be more appropriate at Ask Different, but as I tried adding tags there, there was no vim tag, only macvim . So I figured I might get a better audience here.
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How to “log in” to a website using Python's Requests module?
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I know you've found another solution, but for those like me who find this question, looking for the same thing, it can be achieved with requests as follows:
Firstly, as Marcus did, check the source of the login form to get thre...