大约有 40,000 项符合查询结果（耗时：0.0290秒） [XML]
“Large data” work flows using pandas
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@YaroslavNikitenko An r4.2xlarge with 61GB/RAM is $.532/hour. What kind of scientific computing are you doing that isn't that valuable? Sounds unusual, if not unreasonable.
– rjurney
Apr 6 '19 at 22:39
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...inally, items of size at most 1/5 are packed to the spaces in R1, ··· , R4 by the (generalized) NFDH algorithm. Again if there is no space in these regions, the item is packed to R5 using NFDH.
Approximation ratio: UD(I) <= (5/4) · OPT(I)+(53/8)H, where H is the maximum height of the items; t...
Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
...en ng-repeat is used for children directives??? See plunk:plnkr.co/edit/HcH4r6GV5jAFC3yOZknc?p=preview
– Luckylooke
Jan 26 '15 at 13:19
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List of ANSI color escape sequences
...3;3~, kf6=\E[17~, kf60=\E[24;3~,
kf61=\E[1;4P, kf62=\E[1;4Q, kf63=\E[1;4R, kf7=\E[18~,
kf8=\E[19~, kf9=\E[20~, kfnd=\E[1~, khome=\EOH,
kich1=\E[2~, kind=\E[1;2B, kmous=\E[M, knp=\E[6~,
kpp=\E[5~, kri=\E[1;2A, kslt=\E[4~, meml=\El, memu=\Em,
op=\E[39;49m, rc=\E8, rev=\E[7m, ri=\EM...
How can I add reflection to a C++ application?
...Reflection):
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0592r4.html
Edit 4th June 2020
A new framework has been released by Jeff Preshing called 'Plywood' that contains a mechanism for runtime reflection. More details can be found here:
https://preshing.com/20200526/a-new-cross-plat...
Best practices for circular shift (rotate) operations in C++
... has arrived! http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0553r4.html and should add it to the <bit> header.
cppreference says that the usage will be like:
#include <bit>
#include <bitset>
#include <cstdint>
#include <iostream>
int main()
{
std::uint...
How does this giant regex work?
...Im8y9i0AqeNVTuclmo7VWuWcO+rFoXU6uy1m6Tjr7y3LZbwMFSmZutqJa1UsmU1lxWWvPBpRl5c4rbXFbc5ncUt6kXl6jbUQvpVPvVWaM6a1Znm1XR7kLhDsuigwq+6dz3K4OgP5/AmKhNhjWnxrXSzhaqh1huUndLoOjnougLuH4WhUpSKGaNXByzhoCcNbJYtMQETzMfT1OCNnPwJIkJns18PJsSdDMHT5KYNA1v7vwG4mmyLfhbTmPlgXXlqYbq6dGyfi5kA6JTL42fSZQrGfzOt+MnzndCZ0J6eed356...
How can we match a^n b^n with Java regex?
...aaab', 'aaaxb', 'xaaab', 'b', 'abbb', 'aabb', 'aaabbbbb', 'aaaaabbb'
);
$r4 = '/ ^ (?: a (?= a* (\1? b) ) )+ /x';
# │ │ └─────┘ | │
# │ │ 1 | │
# │ └──────────────┘ │
# │...
What is the maximum length of a URL in different browsers?
...UlMzNTySWMiUSSZaEkkrmbw17z6LxOl9HlfDBqf8wovNpHu0hvACjvPovE6X0eV8MHefReJ0vo8r4YbwQAo7z6LxOl9HlfDB3n0XidL6PK+GG8EAKO8+i8TpfR5Xwwd59F4nS+jyvhhsTaKnX69gzGlUiCc6+FMZsMpTuBYAlj0LnFoxcuCG0ht3n0XidL6PK+GDvPovE6X0eV8MIX0jpQ8pe5SPzeKndmLFl2QuPCpMpnwV1Pg345ZuLc4DbfbG0enlJelp/ZR5EuS3959F4nS+jyvhg7z6LxOl9HlfDDCj...
Regular expression that matches valid IPv6 addresses
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I was unable to get @Factor Mystic's answer to work with POSIX regular expressions, so I wrote o...