大约有 47,000 项符合查询结果（耗时：0.0702秒） [XML]
onNewIntent() lifecycle and registered listeners
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+50
onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call ...
What are CFI directives in Gnu Assembler (GAS) used for?
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70
I've got a feeling it stands for Call Frame Information and is a GNU AS extension to manage call...
Appending an element to the end of a list in Scala
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400
List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a comp...
Check if a Postgres JSON array contains a string
...te: Here's a demonstration of the performance improvements on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(in...
SQL Server IIF vs CASE
...ently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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Group by & count function in sqlalchemy
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170
The documentation on counting says that for group_by queries it is better to use func.count():
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How do I determine the target architecture of static library (.a) on Mac OS X?
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edited May 2 '14 at 2:20
Paul Du Bois
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answered...
LESS CSS nesting classes
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mingosmingos
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How to keep the local file or the remote file during merge using Git and the command line?
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answered Aug 19 '12 at 10:31
Waiting for Dev...Waiting for Dev...
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Regular expression for exact match of a string
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180
if you have a the input password in a variable and you want to match exactly 123456 then anchors...