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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...博客，与本站同步更新
来源：https://elloop.github.io/c++/2015-12-23/learning-using-stl-5-std-array
How to print a linebreak in a python function?
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answered May 12 '11 at 17:53
Winston EwertWinston Ewert
39.1k1010 gold badges6262 silver badges7878 bronze badges
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...:
return (0, 1, 2, 3, 4, 5, 6, 9, 12, 16, 20, 27, 36, 48, 64, 81)[n]
e3 = (4 - n) % 5
e4 = n // 5 - e3
return 4 * (4 ** e4) * (3 ** e3)
Calculating e3:
There are always between 0 and 4 SCPP patterns at the end of the keystroke list, for n % 5 == 4 there are 4, n % 5 == 1 there are 3, n %...
How to display request headers with command line curl
...I.
Example usage:
$ curl -I http://heatmiser.counterhack.com/zone-5-15614E3A-CEA7-4A28-A85A-D688CC418287
HTTP/1.1 301 Moved Permanently
Date: Sat, 29 Dec 2012 15:22:05 GMT
Server: Apache
Location: http://heatmiser.counterhack.com/zone-5-15614E3A-CEA7-4A28-A85A-D688CC418287/
Content-Type: text/ht...
How do you convert a byte array to a hexadecimal string, and vice versa?
..."D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF",
"E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC", "ED", "EE", "EF",
"F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB", "FC", "FD", "FE", "FF",
};
StringBuilder result = new String...
How to convert an array into an object using stdClass() [duplicate]
...'prenume' => 'Ionel', 'sex' => 'm', 'varsta' => 27),
'e3' => array('nume' => 'Noman', 'prenume' => 'Alice', 'sex' => 'f', 'varsta' => 22),
'e4' => array('nume' => 'Geangos', 'prenume' => 'Bogdan', 'sex' => 'm', 'varsta' => 23),
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Install an apk file from command prompt?
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Mohit KanadaMohit Kanada
12.4k77 gold badges2626 silver badges4141 bronze badges
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Undoing a 'git push'
...f the approaches suggested here:
prompt> git revert 35f6af6f77f116ef922e3d75bc80a4a466f92650
[master 71738a9] Revert "Issue #482 - Fixed bug."
4 files changed, 30 insertions(+), 42 deletions(-)
prompt> git status
# On branch master
# Your branch is ahead of 'origin/master' by 1 commit.
#
not...
Max length for client ip address [duplicate]
...translate going in and out of the DB and that's messy.
IPv6 addresses are 128 bits (as opposed to 32 bits of IPv4 addresses). They are usually written as 8 groups of 4 hex digits separated by colons: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. 39 characters is appropriate to store IPv6 addresses in ...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0...