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Combining two lists and removing duplicates, without removing duplicates in original list
...ot_in_first)
print(result) # Prints [1, 2, 2, 5, 9, 7]
Or if you prefer one-liners 8-)
print(first_list + list(set(second_list) - set(first_list)))
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What's the equivalent of use-commit-times for git?
... thread)
And some of Linus's answer were not too keen on the idea. Here is one sample:
I'm sorry. If you don't see how it's WRONG to set a datestamp back to something that will make a simple "make" miscompile your source tree, I don't know what defintiion of "wrong" you are talking about.
It's WRON...
What is the meaning of the term arena in relation to memory?
I'm reading a book on memory as a programming concept. In one of the later chapters, the author makes heavy use of the word arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the...
Standard way to embed version into python package?
...on__ is a string, but sometimes it's also a float or tuple.
Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly:
Module Level Dunder Names
Module level "dunders" (i.e. names with two leading and two trailing
underscores) such as __all__, __author__, __version__, etc.
sh...
Python idiom to return first item or None
...
Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return item
return default
Example:
x ...
Visual Studio 2012 Web Publish doesn't copy files
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None of solutions above work for me. Deleting profiles and recreating, changing configuration and changing back, restarting VS, rebuild all, etc. I created a new view in my app. It's there. I can see it. When I run locall...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first and w...
How can I distribute python programs?
...akes .app bundles. And I think that shipping mac apps in .dmg is outdated, one should use .zip. Is it possible to use distutils to just create a directory dist and copy all relevant files into that?
– Georg Schölly
Oct 13 '09 at 6:03
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
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@user3152527: There's a sizable difference - one is considered an object, which means you can call methods and interact with it in abstract data structures, like List. The other is a primitive, which is just a raw value.
– Makoto
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Simple explanation of MapReduce?
... able to take 2 items, compute something and "reduce" that 2 items to just one single value, thus the program could reduce each pair until we have a single value.
the execution would follows:
result = 0
7 : result = result + 7 = 0 + 7 = 7
8 : result = result + 8 = 7 + 8 = 15
9 : result = result + ...