大约有 12,756 项符合查询结果（耗时：0.0223秒） [XML]
C++ - passing references to std::shared_ptr or boost::shared_ptr
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– Daniel Earwicker
Aug 8 '12 at 15:51
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Why do I need 'b' to encode a string with Base64?
...ad w/zeros to make a clean 6-bit chunk
base-10: 29 6 21 51 29 0
base-64: d G V z d A
So, 'B0ZXN0' is the base-64 version of our binary, mathematically speaking. However, base64 encoding has to do the encoding in the opposite direction (so...
Real life example, when to use OUTER / CROSS APPLY in SQL
...ect 'Task 5'
insert #task select 'Task 6'
insert #log
select taskID, 39951 + number, 'Result text...'
from #task
cross join (
select top 1000 row_number() over (order by a.id) as number from syscolumns a cross join syscolumns b cross join syscolumns c) n
And now run the t...
Why is reading lines from stdin much slower in C++ than Python?
...hood, and I've used dtruss/strace on each test.
C++
./a.out < in
Saw 6512403 lines in 8 seconds. Crunch speed: 814050
syscalls sudo dtruss -c ./a.out < in
CALL COUNT
__mac_syscall 1
<snip>
open ...
Which iomanip manipulators are 'sticky'?
...hem).
– David Brown
Oct 7 '09 at 16:51
Yeah, the web page that claimed std::hex to not to be sticky was wrong - I just...
What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...n2 or Eigen3?
– qed
Jul 23 '13 at 7:51
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...ory papers?
– kizzx2
Aug 8 '11 at 1:51
22
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eval command in Bash and its typical uses
...ttered)
– kstratis
Jun 16 '12 at 19:51
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?
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answered Feb 12 '16 at 20:51
kfrostykfrosty
77711 gold badge77 silver badges1313 bronze badges
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Code Golf: Lasers
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Perl, 166 160 characters
Perl, 251 248 246 222 214 208 203 201 193 190 180 176 173 170 166 --> 160 chars.
Solution had 166 strokes when this contest ended, but A. Rex has found a couple ways to shave off 6 more characters:
s!.!$t{$s++}=$&!ge,$s=$r...