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Python Infinity - Any caveats?
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You can still get not-a-number (NaN) values from simple arithmetic involving inf:
>>> 0 * float("inf")
nan
Note that you will normally not get an inf value through usual arithmetic calculations:
>>> 2.0**2
4.0
>>> _**2
16.0
>>> _...
Convert a list to a dictionary in Python
...ike the following, which doesn't make any temporary lists like the above.
from itertools import izip
i = iter(a)
b = dict(izip(i, i))
In Python 3 you could also use a dict comprehension, but ironically I think the simplest way to do it will be with range() and len(), which would normally be a cod...
What is the difference between the different methods of putting JavaScript code in an ?
...l just say that I much prefer this style because it separates your content from your JavaScript code. It keeps all the JavaScript code together, which is much easier to maintain (especially if you are applying this to many links), and you can even put it in an external file which can then be packed ...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...ock_gettime(2) with CLOCK_REALTIME to compare times on the same computer. From the gettimeofday(2) manpage: POSIX.1-2008 marks gettimeofday() as obsolete, recommending the use of clock_gettime(2) instead. @CTT, could you update the example by changing the struct timeval to struct timespec, a...
Android - Back button in the title bar
...ActivityForResult will launch second activity and when you will press back from second activity you will be thrown back to first activity(where yo pressed action bar icon)
– Yahya Arshad
Nov 4 '13 at 4:52
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D Programming Language in the real world? [closed]
... matters. It's a nice fit for research work because often you're starting from scratch anyway, so you don't have much legacy code to worry about integrating with.
Another popular area for use seems to be web services. Hopefully someone else can comment who's in this space, but there too I think t...
Alternative to iFrames with HTML5
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I need to load content from google. but google cant be iframed, what is the alternative.
– Mike
Apr 8 '13 at 9:53
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Add comma to numbers every three digits
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I took a glance at this plugin and from author description, it was meant to be used in form input fields. How can I adopt it to be applied to <span class="numbers">2984</span> so it formats to <span class="numbers">2,984</span> without ...
How do I know which version of Javascript I'm using?
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alert(jsver);
</script>
My Chrome reports 1.7
Blatantly stolen from: http://javascript.about.com/library/bljver.htm
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How to get the separate digits of an int number?
...s.add(num % 10);
}
If you would like to maintain the order of the digits from least significant (index[0]) to most significant (index[n]), the following updated getDigits() is what you need:
/**
* split an integer into its individual digits
* NOTE: digits order is maintained - i.e. Least signif...