大约有 5,000 项符合查询结果(耗时:0.0382秒) [XML]

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What's the Hi/Lo algorithm?

...h" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values. For instance, supposing you have a "high" sequence with a current value of 35, and the "low" number is in the range 0-1023. Then the client can increment t...
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Find XOR of all numbers in a given range

You are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range. ...
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python list by value not by reference [duplicate]

... In [1]: import timeit In [2]: timeit.timeit('b.extend(a)', setup='b=[];a=range(0,10)', number=100000000) Out[2]: 9.623248100280762 In [3]: timeit.timeit('b = a[:]', setup='b=[];a=range(0,10)', number=100000000) Out[3]: 10.84756088256836 In [4]: timeit.timeit('b = list(a)', setup='b=[];a=range(0,...
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How to split a string literal across multiple lines in C / Objective-C?

...e, change your .m file to .mm so that it becomes Objective-C++ and use C++ raw literals, like this: const char *sql_query = R"(SELECT word_id FROM table1, table2 WHERE table2.word_id = table1.word_id ORDER BY table1.wo...
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Why do people say there is modulo bias when using a random number generator?

...te the numbers between 0 and 2 with equal probability. Of course for small ranges this might not be the biggest issue but for a larger range this could skew the distribution, biasing the smaller numbers. So when does rand()%n return a range of numbers from 0 to n-1 with equal probability? When RAN...
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sql query to return differences between two tables

... from (select * from Test1 except select * from Test2) as a for xml raw('Data') ) select @Data2 = ( select * from (select * from Test2 except select * from Test1) as a for xml raw('Data') ) ;with CTE1 as ( select T.C.value('../@ID', 'bigint') as ID, T.C.val...
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Difference between string and text in rails?

... binary: { name: "BLOB" }, boolean: { name: "NUMBER", limit: 1 }, raw: { name: "RAW", limit: 2000 }, bigint: { name: "NUMBER", limit: 19 } } https://github.com/rsim/oracle-enhanced/blob/master/lib/active_record/connection_adapters/oracle_enhanced_adapter.rb ...
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Run command on the Ansible host

... for use with command/shell, what you want is the "_raw_params" – mvr Apr 5 '17 at 2:10 ...
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Streaming a video file to an html5 video player with Node.js so that the video controls continue to

... The Accept Ranges header (the bit in writeHead()) is required for the HTML5 video controls to work. I think instead of just blindly send the full file, you should first check the Accept Ranges header in the REQUEST, then read in and s...
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How many double numbers are there between 0.0 and 1.0?

...tween powers of two, because there are many powers of two included in that range, and, also, one gets into the thorny issues of denormalized numbers. 10 of the 11 bits of the exponents cover the range in question, so, including denormalized numbers (and I think a few kinds of NaN) you'd have 1024 t...