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How does one output bold text in Bash?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...anation is basic and abstract like a Wikipedia summary. The examples don't demonstrate anything. The "tight coupling" example does not seem to have any problems, and the "loose coupling" example doesn't seem to solve any. In other words, what does adding the interface do, other increasing complexity...
How to add a 'or' condition in #ifdef
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to efficiently count the number of keys/properties of an object in JavaScript?
...able
Cons - Memory overhead due to the creation of the array.
2. Library-based solutions
Many library-based examples elsewhere in this topic are useful idioms in the context of their library. From a performance viewpoint, however, there is nothing to gain compared to a perfect no-library code sin...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... issue in practice. Portability is questionable.
I wrote a hybrid function based on this snippet that uses clock_gettime when compiled on Linux, or a Mach timer when compiled on OS X, in order to get ns precision on both Linux and OS X.
All of the above exist in both Linux and OS X except where ot...
Difference between array_map, array_walk and array_filter
...
The other answers demonstrate the difference between array_walk (in-place modification) and array_map (return modified copy) quite well. However, they don't really mention array_reduce, which is an illuminating way to understand array_map and ...
Difference between DateTime and Time in Ruby
... to handle larger values without producing errors.
DateTime is a calendar-based approach where the year, month, day, hour, minute and second are stored individually. This is a Ruby on Rails construct that serves as a wrapper around SQL-standard DATETIME fields. These contain arbitrary dates and can...
Multiple levels of 'collection.defaultdict' in Python
...
def _sub_getitem(self, k):
try:
# sub.__class__.__bases__[0]
real_val = self.__class__.mro()[-2].__getitem__(self, k)
val = '' if real_val is None else real_val
except Exception:
val = ''
real_val = None
# isinstance(Avoid,dict)也是t...
How to sort an IEnumerable
...st:
List<string> myList = myEnumerable.ToList();
myList.Sort();
Based on your comment:
_components = (from c in xml.Descendants("component")
let value = (string)c
orderby value
select value
)
.Distinct()
...
How do I remove diacritics (accents) from a string in .NET?
... split the input string into constituent glyphs (basically separating the "base" characters from the diacritics) and then scans the result and retains only the base characters. It's just a little complicated, but really you're looking at a complicated problem.
Of course, if you're limiting yourself...