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Are tuples more efficient than lists in Python?
...ch faster than assigning a list.
>>> def a():
... x=[1,2,3,4,5]
... y=x[2]
...
>>> def b():
... x=(1,2,3,4,5)
... y=x[2]
...
>>> import dis
>>> dis.dis(a)
2 0 LOAD_CONST 1 (1)
3 LOAD_CONST 2 (2...
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Andrew Schultz
3,25722 gold badges1313 silver badges3333 bronze badges
answered Oct 13 '13 at 21:12
Jason SperskeJason ...
What is tail recursion?
...onsider a simple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called ...
How can I multiply all items in a list together with Python?
...kes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
...
Can someone explain the right way to use SBT?
... |
edited Nov 4 '12 at 17:53
answered Jul 11 '12 at 7:52
hu...
How to use ConcurrentLinkedQueue?
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157
No, the methods don't need to be synchronized, and you don't need to define any methods; they a...
Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
... |
edited Jun 19 '19 at 7:57
Romeo Sierra
1,1451010 silver badges2525 bronze badges
answered Dec 5 '11 a...
Using Java with Nvidia GPUs (CUDA)
...writing one data element from the "main" GPU memory has a latency of about 500 instructions....
Therefore, another key point for the performance of GPUs is data locality: If you have to read or write data (and in most cases, you will have to ;-)), then you should make sure that the data is kept as ...
Does Java 8 provide a good way to repeat a value or function?
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