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Time complexity of Euclid's Algorithm
...drop below 1. The total number of steps (S) until we hit 0 must satisfy (4/3)^S <= A+B. Now just work it:
(4/3)^S <= A+B
S <= lg[4/3](A+B)
S is O(lg[4/3](A+B))
S is O(lg(A+B))
S is O(lg(A*B)) //because A*B asymptotically greater than A+B
S is O(lg(A)+lg(B))
//Input size N is lg(A) + lg(B)
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How to check whether a string is a valid HTTP URL?
...ttp;
Or, if you want to accept both HTTP and HTTPS URLs as valid (per J0e3gan's comment):
Uri uriResult;
bool result = Uri.TryCreate(uriName, UriKind.Absolute, out uriResult)
&& (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
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What's the common practice for enums in Python? [duplicate]
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373
class Materials:
Shaded, Shiny, Transparent, Matte = range(4)
>>> print Material...
How do I pass a command line argument while starting up GDB in Linux? [duplicate]
...s".
So if you are running your code by:
$ executablefile arg1 arg2 arg3
Debug it on gdb by:
$ gdb executablefile
(gdb) r arg1 arg2 arg3
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What is the difference between null and undefined in JavaScript?
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...hash_map和hash_multimap。
vector<char> 作为string的替代。(见第13条)
vector作为标准关联容器的替代。(见第23条)
几种标准的非STL容器，包括数组、bitset、valarray、stack、queue和priority_queue。
你是否关心容器中的元素是如何排序的？如果...
A more useful statusline in vim? [closed]
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134
Edit:-
Note vim-airline is gaining
some traction as the new vimscript option as power...
What is the best practice for dealing with passwords in git repositories?
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Greg HewgillGreg Hewgill
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There is already an open DataReader associated with this Command which must be closed first
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1328
This can happen if you execute a query while iterating over the results from another query. It...
Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
...ipboard for easy pasting into whatever browser you want.
Sublime Text 3
(linux example)
"shell_cmd": "google-chrome '$file'"
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