大约有 6,700 项符合查询结果（耗时：0.0345秒） [XML]
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...here are rules for when to pack structs into registers (rdx:rax on return) vs. in memory. See the ABI for details, and check compiler output to make sure your code agrees with compilers about how something should be passed/returned.
Note that the Windows x64 function calling convention has multi...
How can I get last characters of a string
...the answer, using slice this way is also more performant: jsperf.com/slice-vs-substr-and-length
– theVinchi
Oct 20 '16 at 15:49
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SQL Server: Get data for only the past year
...ear of that date. This would then return incorrect results for 31 Dec 2014 vs 1 Jan 2015 - which are in different years, but not a year apart...
– samjudson
Jan 22 '15 at 10:35
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Determine .NET Framework version for dll
....5 compile to CLR version 2.0. msdn.microsoft.com/en-us/library/bb822049(v=vs.110).aspx
– Swoogan
Jun 12 '16 at 18:08
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start MySQL server from command line on Mac OS Lion
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From mysqld_safe vs mysql.server Before mysql.server starts the server, it changes location to the MySQL installation directory, and then invokes mysqld_safe.
– Eddie B
Mar 26 '13 at 3:10
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Referring to a Column Alias in a WHERE Clause
...onment to see if your specific table/query is adversely affected with this vs. calling out the formula specifically in the where clause. I suspect you will not notice a difference.
– Adam Wenger
Jul 4 '14 at 17:17
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Rails find record with zero has_many records associated [duplicate]
... that particular case. I'm not sure what the efficiency is of doing a join vs doing an includes, though
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How to access environment variable values?
... @endolith, the correct question woud be "HOME" in os.environ vs os.environ.get('HOME') is None. As you can see first is far more readable & comfortable to work with.
– Konstantin Sekeresh
Oct 16 '19 at 13:43
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What is a “cache-friendly” code?
... people in the field sometimes forget is column-major (ex. fortran,matlab) vs. row-major ordering (ex. c,c++) for storing two dimensional arrays. For example, consider the following matrix:
1 2
3 4
In row-major ordering, this is stored in memory as 1 2 3 4; in column-major ordering, this would be s...
Convert UTC date time to local date time
...rmatted string as shown above. msdn.microsoft.com/en-us/library/zdtaw1bw(v=vs.110).aspx In javascript it's new Date().toISOString(). developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Hulvej
Aug 4 '15 at 18:29
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