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Difference between DateTime and Time in Ruby
...ied Time.new(2012,6,30,23,59,60,0) in different Ruby versions, from 2.0 to 2.7, and always got 2012-07-01 00:00:00 +0000.
– michau
Jul 22 '19 at 15:34
...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...duce an equivalent element.
It's also less performant.
In 64 bit Python 2.7:
>>> import timeit
>>> import copy
>>> l = range(10)
>>> min(timeit.repeat(lambda: copy.deepcopy(l)))
27.55826997756958
>>> min(timeit.repeat(lambda: eval(repr(l))))
29.045341...
How to read a large file - line by line?
...
On Python 2.7 I had to open(file_path, 'rU') to enable universal newlines.
– Dave
Dec 4 '17 at 21:57
...
What is the difference between a port and a socket?
...ough information to identify a socket.
Addendum
Paragraph two of section 2.7 of RFC793 says
A connection is fully specified by the pair of sockets at the ends. A
local socket may participate in many connections to different foreign
sockets.
This definition of socket is not helpful fr...
Python base64 data decode
...ny beginner programmer would know, you would print the results out:
Python 2.7x:
print code_string
Python 3.x:
print(code_string)
After the successful decoding, you will get a string about the size of the not yet decoded string. I hope this helps you!
...
How do I determine the size of an object in Python?
...+ (newsize >> 3) + (newsize < 9 ? 3 : 6);
Historical data
Python 2.7 analysis, confirmed with guppy.hpy and sys.getsizeof:
Bytes type empty + scaling notes
24 int NA
28 long NA
37 str + 1 byte per additional character
52 unicode + 4 bytes ...
Setting up a common nuget packages folder for all solutions when some projects are included in multi
...nd now have NuGet configured to use a shared Packages folder.
As of NuGet 2.7.1 (2.7.40906.75) with VStudio 2012
First off the thing to keep in mind is that nuget.config does not control all of the path settings in the nuget package system. This was particularly confusing to figure out. Specifical...
Referring to the null object in Python
...ot even as a class attribute or in the confines of a function.
# In Python 2.7
>>> class SomeClass(object):
... def my_fnc(self):
... self.None = 'foo'
SyntaxError: cannot assign to None
>>> def my_fnc():
None = 'foo'
SyntaxError: cannot assign to None
# In...
In Python, how do I determine if an object is iterable?
...pproach:
from collections.abc import Iterable # drop `.abc` with Python 2.7 or lower
def iterable(obj):
return isinstance(obj, Iterable)
The above has been recommended already earlier, but the general consensus has been that using iter() would be better:
def iterable(obj):
try:
...
Asking the user for input until they give a valid response
...ses the likelihood of bugs in your system. What if you want to backport to 2.7 by changing input to raw_input, but accidentally change only the first input above? It's a SyntaxError just waiting to happen.
Recursion Will Blow Your Stack
If you've just learned about recursion, you might be tempted ...