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How to define a two-dimensional array?
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1039
You're technically trying to index an uninitialized array. You have to first initialize the out...
COALESCE Function in TSQL
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answered Nov 13 '12 at 18:40
Bill MeliusBill Melius
1,03377 silver badges88 bronze badges
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What is tail call optimization?
...result after the call returns. As such, the stack looks as follows:
(fact 3)
(* 3 (fact 2))
(* 3 (* 2 (fact 1)))
(* 3 (* 2 (* 1 (fact 0))))
(* 3 (* 2 (* 1 1)))
(* 3 (* 2 1))
(* 3 2)
6
In contrast, the stack trace for the tail recursive factorial looks as follows:
(fact 3)
(fact-tail 3 1)
(fact-t...
Can functions be passed as parameters?
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232
Yes, consider some of these examples:
package main
import "fmt"
// convert types take an int...
What is the standard exception to throw in Java for not supported/implemented operations?
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edited Jun 7 '16 at 15:33
user177800
answered May 6 '09 at 11:24
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How to undo 'git reset'?
... reset HEAD~ and want to undo it. My reflog looks like this:
$ git reflog
3f6db14 HEAD@{0}: HEAD~: updating HEAD
d27924e HEAD@{1}: checkout: moving from d27924e0fe16776f0d0f1ee2933a0334a4787b4c
[...]
The first line says that HEAD 0 positions ago (in other words, the current position) is 3f6db14; ...
Generate random integers between 0 and 9
...andom import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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What is the best comment in source code you have ever encountered? [closed]
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Reading a UTF8 CSV file with Python
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The .encode method gets applied to a Unicode string to make a byte-string; but you're calling it...