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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...
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 + ...
Foreign Key to multiple tables
...oup Ids and User Ids, so the foreign key only needs to be on the PartyId alone. Any queries written would still need to know the tables from the PartyTypeName anyway.
– Arin Taylor
Sep 18 '16 at 13:53
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Regex Last occurrence?
...f) Also, your example on RegExr uses two backslashes to separate path components; there should be only one, and the regex should match only one. (demo)
– Alan Moore
Jul 9 '16 at 4:11
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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 to remove all listeners in an element? [duplicate]
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I think that the fastest way to do this is to just clone the node, which will remove all event listeners:
var old_element = document.getElementById("btn");
var new_element = old_element.cloneNode(true);
old_element.parentNode.replaceChild(new_element, old_element);
Just be c...
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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Python idiom to return first item or None
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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...