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What does the plus sign do in '+new Date'
...n Number(new Date); }
see:
http://xkr.us/articles/javascript/unary-add/
and in MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Unary_plus
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Passing a method as a parameter in Ruby
...ult argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself.
Or, depending on your scope of all this, it may be easier to pass in a method name instead.
def weightedknn(data, vec1, k = 5, weightf = :gaussian)
...
weight = self.send...
Python date string to date object
....strptime("2015-02-24T13:00:00-08:00", "%Y-%B-%dT%H:%M:%S-%H:%M").date()
and you get:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/_strptime.py", line 308, in _strptime
format_regex = _TimeRE_cache.compile(format)
File...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
How can I get the year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java? I would like to have them as Strings .
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Detect changed input text box
I've looked at numerous other questions and found very simple answers, including the code below. I simply want to detect when someone changes the content of a text box but for some reason it's not working... I get no console errors. When I set a breakpoint in the browser at the change() functio...
Switching to a TabBar tab view programmatically?
Let's say I have a UIButton in one tab view in my iPhone app, and I want to have it open a different tab in the tab bar of the TabBarController . How would I write the code to do this?
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C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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Tying in to Django Admin's Model History
...bject is the object that was changed of course.
Now I see Daniel's answer and agree with him, it is pretty limited.
In my opinion a stronger approach is to use the code from Marty Alchin in his book Pro Django (see Keeping Historical Records starting at page 263). There is an application django-si...
What causes a TCP/IP reset (RST) flag to be sent?
...hiccuping every 10 minutes (exactly, within 1-2 seconds). I ran Wireshark and discovered that after 10 minutes of inactivity the other end is sending a packet with the reset (RST) flag set. A google search tells me "the RESET flag signifies that the receiver has become confused and so wants to abor...
Why does DEBUG=False setting make my django Static Files Access fail?
...trouble started sneaking in the moment I wanted to render my own beautiful and custom 404.html and 500.html pages.
14 Answe...