大约有 6,700 项符合查询结果(耗时:0.0256秒) [XML]

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What is the size of column of int(11) in mysql in bytes?

..." ... Ehm, that's just because the column name 'zerofill2' is 9 chars long vs 'int1' being 4. – neokio Sep 14 '16 at 16:27 2 ...
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How to wait for 2 seconds?

..., convert(DATETIME, 0)) WAITFOR DELAY @Delay2 A note on waiting for TIME vs DELAY: Have you ever noticed that if you accidentally pass WAITFOR TIME a date that already passed, even by just a second, it will never return? Check it out: --Example 3 DECLARE @Time1 DATETIME SELECT @Time1 = getdate()...
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Way to go from recursion to iteration

... not have memory restrictions. See gribblelab.org/CBootCamp/7_Memory_Stack_vs_Heap.html – yuqli Aug 28 '18 at 3:22  |  show 9 more comments ...
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer

...anism: https://msdn.microsoft.com/en-us/library/windows/desktop/aa380123(v=vs.85).aspx Just execute: git config --global http.sslbackend schannel That should helps. Using schannel is by now the standard setting when installing git for windows, also it is recommended to not checkout repositories...
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Create a list from two object lists with linq

... stackoverflow.com/questions/100196/net-listt-concat-vs-addrange --> Greg's comment: Actually, due to deferred execution, using Concat would likely be faster because it avoids object allocation - Concat doesn't copy anything, it just creates links between the lists so when e...
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Getting “unixtime” in Java

...ion discussion (clarified above) was about the data type. Primitive "long" vs "java.lang.Long" class instance. You're talking about the suffix letter on the long literal, which I agree can be upper or lower case. Though lower case "l" looks a heck of a lot like the digit "1" so it's much more reada...
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How can I count the occurrences of a list item?

...is not faster by a factor of 2, Counter is faster by a factor of n (O(n^2) vs O(n)). – Martijn Pieters♦ May 23 '17 at 10:13 ...
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Hidden Features of C++? [closed]

... community wiki 2 revsFerruccio 11 ...
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Do while loop in SQL Server 2008

...cause I'm iterating a cursor, and I'm looking largely for optimal clarity (vs. optimal speed). In T-SQL that seems to fit a WHILE TRUE / IF BREAK. If that's the scenario that brought you here, this snippet may save you a moment. Otherwise, welcome back, me. Now I can be certain I've been here more ...
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Difference between char* and const char*?

...the char to which name points to (https://msdn.microsoft.com/en-us/library/vstudio/whkd4k6a(v=vs.100).aspx, see "Examples"). In this case, the const specifier applies to char, not the asterisk. According to the MSDN page and http://en.cppreference.com/w/cpp/language/declarations, the const before t...