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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...rgument named exactly the same, so it improves readability to see them without spaces. It is easier to recognize that we are using keyword arguments and not assigning a variable to itself.
Also, parameters tend to go in the same line whereas assignments usually are each one in their own line, so sav...
Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
... only the one copy will be changed.
Old answer:
As others have pointed out, Swift tries to avoid copying arrays if possible, including when changing values for single indexes at a time.
If you want to be sure that an array variable (!) is unique, i.e. not shared with another variable, you can c...
Necessary to add link tag for favicon.ico?
...ttp://cdn.sstatic.net/stackoverflow/img/favicon.ico">.
To learn more about using other file types like PNG check out this question.
For cache busting purposes:
Add a query string to the path for cache-busting purposes:
<link rel="icon" href="/favicon.ico?v=1.1">
Favicons are very hea...
git diff between cloned and original remote repository
... Will I need git fetch before diff? I guess there is no way to diff without it.
– Oleg Proudnikov
Mar 2 '11 at 3:17
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Difference between ProcessBuilder and Runtime.exec()
... as a the parameterized version either, which took me a few days to figure out...
– Drew Delano
Jan 27 '19 at 4:26
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show 1 more comment
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Python, creating objects
...y in the code, is a useful pattern, it allows you to exploit nice things about inheritance for example. Look it up ;)
– bracco23
Nov 1 '16 at 20:34
add a comment
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return statement vs exit() in main()
...this answer can still be confusing for readers using C: For C the issue about exit() closing files cleanly is actually wrong. The only time data might not be flushed is in the opposite case: i.e. if one uses return from main() and one has called setbuf() or setvbuf() with a buffer declared as aut...
How to use unicode characters in Windows command line?
...
My background: I use Unicode input/output in a console for years (and do it a lot daily. Moreover, I develop support tools for exactly this task). There are very few problems, as far as you understand the following facts/limitations:
CMD and “console” ar...
Returning value from called function in a shell script
... codes and >&2 logs to stderror, so, the last echo is written to stdout, so, the calling function ONLY captures stdout and not stderr. Assuming execution is single threaded, a better option is to maintain a custom variable specific like TEST_LOCK_STATUS="" outside method that anyone can use a...
error: passing xxx as 'this' argument of xxx discards qualifiers
...and getName() on const objects as:
void f(const StudentT & s)
{
cout << s.getId(); //now okay, but error with your versions
cout << s.getName(); //now okay, but error with your versions
}
As a sidenote, you should implement operator< as :
inline bool operator< ...