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Accessing dict_keys element by index in Python3
...rted(dict) would do the exact same thing; produce a list of keys in sorted order. list(dict) will give you the list in dictionary order.
– Martijn Pieters♦
May 9 '18 at 16:11
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What are some (concrete) use-cases for metaclasses?
... evaluate the class body into a mapping other than a dict, thus supporting ordered attributes, overloaded attributes, and other wicked cool stuff:
import collections
class Metaclass(type):
@classmethod
def __prepare__(meta, name, bases, **kwds):
return collections.OrderedDict()
...
Concatenating multiple text files into a single file in Bash
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Just remember, for all the solutions given so far, the shell decides the order in which the files are concatenated. For Bash, IIRC, that's alphabetical order. If the order is important, you should either name the files appropriately (01file.txt, 02file.txt, etc...) or specify each file in the orde...
Should I use multiplication or division?
.... Remember that compilers generally cannot optimize floating point much in order to guarantee precision.
– rasmus
Sep 14 '12 at 7:22
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Joining three tables using MySQL
...ER JOIN bridge b ON s.id = b.sid
INNER JOIN course c ON b.cid = c.id
ORDER BY s.name
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Is it possible for intellij to organize imports the same way as in Eclipse?
...ly IDEA user. This creates a lot of noise from imports rearrangements. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow these rules?
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Reordering arrays
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Thanks, @CMS. If I swap mean's don't want to replace the order...For Example, If I select the 3rd object to 1 st position I want to swap 1 as a 2 and 2 as a 3 as 1
– Peri
Aug 2 '18 at 6:41
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RE error: illegal byte sequence on Mac OS X
...feedback. stackoverflow.com/a/35046218/9636
– Heath Borders
Jan 27 '16 at 19:22
LC_CTYPE=C sed 's/.*/&/' <<&...
Difference between volatile and synchronized in Java
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The first has to do with controlling when code executes (including the order in which instructions are executed) and whether it can execute concurrently, and the second to do with when the effects in memory of what has been done are visible to other threads. Because each CPU has several levels ...
What is the best way to iterate over a dictionary?
...is completely undeserving of so many upvotes. A dictionary has no implicit order, so using .ElementAt in this context might lead to subtle bugs. Far more serious is Arturo's point above. You'll be iterating the dictionary dictionary.Count + 1 times leading to O(n^2) complexity for an operation that ...