大约有 23,300 项符合查询结果(耗时:0.0388秒) [XML]

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Brew doctor says: “Warning: /usr/local/include isn't writable.”

... jrwrenjrwren 15.2k55 gold badges3232 silver badges5252 bronze badges 13 ...
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How to convert std::string to lower case?

... 325 Boost provides a string algorithm for this: #include <boost/algorithm/string.hpp> std:...
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Grouping functions (tapply, by, aggregate) and the *apply family

...apply(M, 2, max) [1] 4 8 12 16 # 3 dimensional array M <- array( seq(32), dim = c(4,4,2)) # Apply sum across each M[*, , ] - i.e Sum across 2nd and 3rd dimension apply(M, 1, sum) # Result is one-dimensional [1] 120 128 136 144 # Apply sum across each M[*, *, ] - i.e Sum across 3rd dimension ...
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Set selected option of select box

...trov 930k250250 gold badges31503150 silver badges28432843 bronze badges 4 ...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...ly the first 31 bits of an int in java to represent positive number if the 32nd bit is 1 , its a -ve number. 1100 (lets assume 12 in 4 bit system) +0100(2's complement of 12) ___________________________ 1 0000 (result is zero , with the carry 1 overflowing) Thus the system of (n + 2'complement...
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How would one write object-oriented code in C? [closed]

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How can we redirect a Java program console output to multiple files?

...answered May 3 '15 at 12:15 mike32bmike32b 39633 silver badges66 bronze badges ...
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How to get relative path from absolute path

... 32 After lots of testing this method worked best for me. You need to remember that Uri treats a folder that doesn't end with a path separator ...
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Create table (structure) from existing table

... = 2 – Ashish Gupta Mar 24 '10 at 6:32 6 Qutbuddin, 1=2 will prevent data copying from source to ...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

... 32 It's better to use the Stopwatch class because it's much more accurate than subtracting DateTim...