大约有 14,000 项符合查询结果（耗时：0.0217秒） [XML]
MySQL show current connection info
...ent.
mysql> status;
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mysql Ver 14.14 Distrib 5.5.8, for Win32 (x86)
Connection id: 1
Current database: test
Current user: ODBC@localhost
SSL: Not in use
Using delimiter: ;
Server version: 5.5.8 MySQL Community Server (GPL...
Is there a standard sign function (signum, sgn) in C/C++?
...ranchless code, but they'll do it also for ternaries or if/else if it is a win.
– Patrick Schlüter
Mar 12 '12 at 15:41
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How to enable C++11 in Qt Creator?
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...\Qt\{5.9; or your version}\mingw{53_32; or your
version}\mkspecs\win32-g++\qmake.conf:
Then at the line:
QMAKE_CFLAGS += -fno-keep-inline-dllexport
Edit :
QMAKE_CFLAGS += -fno-keep-inline-dllexport -std=c++11
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Why is quicksort better than mergesort?
...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out.
In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
How can I truncate a datetime in SQL Server?
...datediff(dd,0, getDate()), 0)
This is older now, but it's still worth knowing because it can also easily adapt for other time points, like the first moment of the month, minute, hour, or year.
This correct way uses documented functions that are part of the ansi standard and are guaranteed to work...
UILabel sizeToFit doesn't work with autolayout ios6
...rther.
To make your label automatically resize height you need to do following:
Set layout constrains for label
Set height constraint with low priority. It should be lower than ContentCompressionResistancePriority
Set numberOfLines = 0
Set ContentHuggingPriority higher than label's height priori...
Explanation of JSONB introduced by PostgreSQL
...storage «as is»
jsonb: no whitespaces
jsonb: no duplicate keys, last key win
jsonb: keys are sorted
More in speech video and slide show presentation by jsonb developers. Also they introduced JsQuery, pg.extension provides powerful jsonb query language
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Can I initialize a C# attribute with an array or other variable number of arguments?
... a single instance of any attribute is supported (either the first or last wins, I can't recall which).
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Never seen before C++ for loop
...he 500K limit. Is that like being the one millionth customer somewhere and winning somethin? In any case: many congratulations; always looking up to your precise, sharp answers! Keep going; meet you making the 1 million thing ... later this century.
– GhostCat
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What is the difference between const int*, const int * const, and int const *?
...does not have permissions. can you post it directly here, or remove the viewing restrictions?
– R71
Apr 8 '16 at 12:03
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