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Why is ArrayDeque better than LinkedList
...ian.
The test setup considers:
Each test object is a 500 character String. Each String is a different object in memory.
The size of the test array will be varied during the tests.
For each array size/Queue-implementation combination, 100 tests are run and average time-per-test is c...
Move (or “Undo”) last git commit to unstaged area [duplicate]
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git-extras provides a git undo command which is an easier to remember way of doing the same thing (along with a number of other handy extras, as the name implies).
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How do you change the size of figures drawn with matplotlib?
... make it work I need to call plt.rcParams["figure.figsize"] = (20,3) in an extra cell. When I call it in the same cell as the import statement, it gets ignored.
– asmaier
May 11 '18 at 7:33
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Is there a standard for storing normalized phone numbers in a database?
...rwegian contact info I find that quite often it gets rejected.
Leave it a string, unless you have some specific need for something more advanced.
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#1071 - Specified key was too long; max key length is 767 bytes
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MySQL assumes worst case for the number of bytes per character in the string. For the MySQL 'utf8' encoding, that's 3 bytes per character since that encoding doesn't allow characters beyond U+FFFF. For the MySQL 'utf8mb4' encoding, it's 4 bytes per character, since that's what MySQL calls actua...
How to round float numbers in javascript?
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Convert a number to a string and then back again? That can't be fast.
– csl
Nov 9 '12 at 14:07
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How to output a multiline string in Bash?
How can I output a multipline string in Bash without using multiple echo calls like so:
7 Answers
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Calling a function of a module by using its name (a string)
What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
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Filtering for empty or NULL names in a queryset
...exclude(alias__isnull=True)
If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so:
Name.objects.exclude(alias__isnull=True).exclude(alias__exact='')
Chaining these methods together basically checks each condition independent...
Difference between __str__ and __repr__?
...oh I don't know, containing just 4 elements]
Not very. Specifically, the strings in a container would find it way too easy to disturb its string representation. In the face of ambiguity, remember, Python resists the temptation to guess. If you want the above behavior when you’re printing a list,...