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Understanding Python's “is” operator
... True. x and y are two separate lists:
x[0] = 4
print(y) # prints [1, 2, 3]
print(x == y) # prints False
If you use the id() function you'll see that x and y have different identifiers:
>>> id(x)
4401064560
>>> id(y)
4401098192
but if you were to assign y to x then both po...
Why does std::getline() skip input after a formatted extraction?
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3 Answers
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How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
... ewallewall
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No visible cause for “Unexpected token ILLEGAL”
...icode U+200B Zero-width space character (a.k.a. ZWSP, HTML entity ​). That character is known to cause the Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on jsfiddle. If you paste code from there, it's very likely to inclu...
When is it appropriate to use C# partial classes?
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What is “callback hell” and how and why does RX solve it?
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1) What is a "callback hell" for someone who does not know javascript and node.js ?
This other...
std::unique_ptr with an incomplete type won't compile
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edited Jun 6 '18 at 9:39
Antonio
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How to edit log message already committed in Subversion?
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edited Feb 24 '11 at 11:32
TheJuice
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answered N...
How to get the number of Characters in a String?
...by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new...
Remove spaces from std::string in C++
...dited Oct 20 '12 at 20:20
user283145
answered Sep 17 '08 at 14:00
Matt PriceMatt Price
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