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How to check whether a script is running under Node.js?
...ort.
– mikemaccana
Dec 24 '12 at 14:05
7
There is a problem here and nailer "nailed it". I'm tryi...
How to write log base(2) in c/c++
...
#define M_LOG2E 1.44269504088896340736 // log2(e)
inline long double log2(const long double x){
return log(x) * M_LOG2E;
}
(multiplication may be faster than division)
...
Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
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answered Feb 16 '16 at 2:05
yanghaognyanghaogn
67155 silver badges1414 bronze badges
...
What's the idiomatic syntax for prepending to a short python list?
...
If you can go the functional way, the following is pretty clear
new_list = [x] + your_list
Of course you haven't inserted x into your_list, rather you have created a new list with x preprended to it.
share
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Set Django IntegerField by choices=… name
...epresents the proper integer.
Like so:
LOW = 0
NORMAL = 1
HIGH = 2
STATUS_CHOICES = (
(LOW, 'Low'),
(NORMAL, 'Normal'),
(HIGH, 'High'),
)
Then they are still integers in the DB.
Usage would be thing.priority = Thing.NORMAL
...
Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
...eb API.
I'm trying to send HttpDelete request, however I get the following error:
14 Answers
...
Changing one character in a string
...d be bytearray(s), not bytearray(str). For another, this will produce: TypeError: string argument without an encoding. If you specify an encoding, then you get TypeError: an integer is required. That's with Python 3 or Python 2's unicode. If you do this in Python 2 (with a corrected second line), it...
Why does Python use 'magic methods'?
...ck (most recent call last):
File "python", line 1, in <module>
TypeError: unsupported operand type(s) for +: 'dict' and 'dict'
This gives an error, because the dictionary type doesn't support addition. Now, let's extend dictionary class and add "__add__" magic method:
class AddableDict(di...
How to find the lowest common ancestor of two nodes in any binary tree?
... |
edited Oct 8 '18 at 17:05
Cœur
29.8k1515 gold badges166166 silver badges214214 bronze badges
answere...
How is Python's List Implemented?
... -m timeit --setup="x = [None]*1000" "x[500]"
10000000 loops, best of 3: 0.0579 usec per loop
...>python -m timeit --setup="x = [None]*1000" "x[0]"
10000000 loops, best of 3: 0.0566 usec per loop
I would be astounded if IronPython or Jython used linked lists - they would ruin the performance o...