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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
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As far as I know, there are only two kinds of functions, destructive and constructive.
While constructive function, as the name implies, constructs something, a destructive one destroys something, but not in the way you may think now.
F...
What's a simple way to get a text input popup dialog box on an iPhone
... as, say, a UITableViewCell, but it should definitly do the trick as it is now standard supported in the iOS API. You will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" ...
Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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Difference between an API and SDK
...r the electrical wiring in your house. Anything* can use it as long as it knows how to interface. You can even buy off-the-shelf software to use a particular API, just as you can buy off the shelf telephone equipment or devices that plug into the AC wiring in your house.
an SDK is implementation too...
Does Django scale? [closed]
...ites at djangosites.org. Going through the lists and picking some that I know have decent traffic we see:
Instagram: What Powers Instagram: Hundreds of Instances, Dozens of Technologies.
Pinterest: Alexa rank 37 (21.4.2015) and 70 Million users in 2013
Bitbucket: 200TB of Code and 2.500.000 Users...
How to send a GET request from PHP?
...ng is just part of the string. There's no reason a server would ignore it. Now, obviously, file_get_contents doesn't let you make the request with custom cookies, headers, and other things that a browser would typically send, so you might not get the response you were looking for. In that case, you'...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
... But, i has no effect, when I restarting Unicorn. The only way, that works now, is pasting it directly to secrets.yml
– AntonAL
Nov 17 '14 at 20:37
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Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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SQL query for today's date minus two months
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If you use MySQL this would become: MyDate < DATE_ADD(NOW(), INTERVAL -2 MONTH)
– Stefan
Feb 27 '14 at 15:51
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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):
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