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Printing without newline (print 'a',) prints a space, how to remove?
...aaaaaaaaaaaaaaaaaaa
If you want to do this in general, build up a string and then print it once. This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the string you're concatenating so this will...
Can you test google analytics on a localhost address?
..., however the technology has changed. The old Urchin tracker is deprecated and obsolete. The new asynchronous Google Analytics tracking code uses slightly different code to achieve the same results.
Google Analytics Classic - Asynchronous Syntax - ga.js
The current syntax for setting the tracking do...
Get last result in interactive Python shell
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Just for the record, ipython takes this one step further and you can access every result with _ and its numeric value
In [1]: 10
Out[1]: 10
In [2]: 32
Out[2]: 32
In [3]: _
Out[3]: 32
In [4]: _1
Out[4]: 10
In [5]: _2
Out[5]: 32
In [6]: _1 + _2
Out[6]: 42
In [7]: _6
Out[7]: 42...
Is there an expression for an infinite generator?
...entinel. However, as int() will always return 0, we can call int() forever and never reach 1. This will in effect produce an infinite list of 0's
– Olsgaard
Apr 14 at 8:47
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for this kind of animations. For non hardware accelerated devices a bitmap caching implementation should fit better)
Demo video with the animation is...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...always be the name of the executable? Or is this just a common convention and not guaranteed to be true 100% of the time?
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if A vs if A is not None:
...if A:
will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool(); should return False or True, or their integer equival...
Access multiple elements of list knowing their index
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I have benchmarked the non numpy options and itemgetter appears to be the fastest, even slightly faster than simply typing out the desired indexes inside parentheses, using Python 3.44
– ragardner
Oct 16 '17 at 9:42
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How to call a Parent Class's method from Child Class in Python?
... able to invoke methods of the parent class from a derived class. In Perl and Java, there is a keyword for this ( super ). In Perl, I might do this:
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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