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What do single quotes do in C++ when used on multiple characters?
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It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multichara...
jQuery - If element has class do this
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answered Dec 30 '10 at 18:16
Ken RedlerKen Redler
22.4k66 gold badges5454 silver badges6868 bronze badges
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What is the purpose of a plus symbol before a variable?
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3 Answers
3
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How to write UPDATE SQL with Table alias in SQL Server 2008?
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435
The syntax for using an alias in an update statement on SQL Server is as follows:
UPDATE Q
SET...
For loop example in MySQL
...er < v_max do
insert into foo (val) values ( floor(0 + (rand() * 65535)) );
set v_counter=v_counter+1;
end while;
commit;
end #
delimiter ;
call load_foo_test_data();
select * from foo order by id;
share
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string.ToLower() and string.ToLowerInvariant()
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edited May 23 '17 at 11:54
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111 silver badge
answered Nov 4 '13 at 22:05
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How to change a PG column to NULLABLE TRUE?
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edited May 21 '12 at 5:32
answered Jan 27 '11 at 5:30
mu...
Node.JS constant for platform-specific new line?
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230
Not sure if this is new in the 0.8.x but there is now a constant http://nodejs.org/api/os.html#...
Which Boost features overlap with C++11?
...peof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions → <cmath>, see the list below
gamma function (tgamma), log gamma function (lgamma)
error functions (erf, erfc)
log1p, expm1
cbrt, hypot
acosh, asinh, atanh
TR1 (they are marked in the d...
Time complexity of Sieve of Eratosthenes algorithm
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Your n/2 + n/3 + n/5 + … n/97 is not O(n), because the number of terms is not constant. [Edit after your edit: O(n2) is too loose an upper bound.] A loose upper-bound is n(1+1/2+1/3+1/4+1/5+1/6+…1/n) (sum of reciprocals of all numbers...