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What does “abstract over” mean?
...ly.
Scala allows you to abstract over type parameters, by allowing higher-order type parameters.
Scala allows you to abstract over data access patterns, by allowing you to create extractors.
Scala allows you to abstract over "things that can be used as something else", by allowing implicit conver...
Inheritance and Overriding __init__ in python
...wing:
We can directly subclass built-in classes, like dict, list, tuple, etc.
The super function handles tracking down this class's superclasses and calling functions in them appropriately.
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Best way to store time (hh:mm) in a database
...ion that you wouldn't otherwise get from storing as an integer of minutes, etc. Using it depends on whether knowing the start and end time is worthwhile to your program, and in my experience it usually is.
– WonderWorker
Sep 15 at 9:33
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What's the idiomatic syntax for prepending to a short python list?
... element will be prepended one at a time, thus effectively reversing their order.
Performance of list versus deque
First we setup with some iterative prepending:
import timeit
from collections import deque
def list_insert_0():
l = []
for i in range(20):
l.insert(0, i)
def list_s...
How to write a large buffer into a binary file in C++, fast?
...
Try the following, in order:
Smaller buffer size. Writing ~2 MiB at a time might be a good start. On my last laptop, ~512 KiB was the sweet spot, but I haven't tested on my SSD yet.
Note: I've noticed that very large buffers tend to decrease pe...
How to get current language code with Swift?
...for Chinese, it always return 'zh' , but it have to be distinguish zh-HK, etc
– iXcoder
Jun 17 '17 at 11:23
2
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Making an array of integers in iOS
...
If the order of your integers is not required,
and if there are only unique values
you can also use NSIndexSet or NSMutableIndexSet
You will be able to easily add and remove integers, or check if your array contains an integer wi...
Inline elements shifting when made bold on hover
...fter, in other words — reset all padding/marging/line-heights/font-sizes etc.
– 350D
Mar 25 '15 at 20:10
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Cleanest and most Pythonic way to get tomorrow's date?
...etter way than to add one to the day, handle days at the end of the month, etc.
4 Answers
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How can I create directory tree in C++/Linux?
...k Overflow Questions) repository on GitHub as files mkpath.c and
mkpath.h (etc.) in the
src/so-0067-5039
sub-directory.
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