CAS,当oldVal与expected相同时,将oldVal更新为newVal,原子操作ABA problem:when a location is read
twice, has the same value for both reads, and "value is same“ is used...
分类:
其他好文 时间:
2014-05-26 16:06:53
阅读次数:
217
模块的搜索路径:When a module namedspamis imported, the
interpreter searches for a file namedspam.pyin the current directory, and then
in the list of director...
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编程语言 时间:
2014-05-26 15:09:11
阅读次数:
367
1) File>Import>General>Existing
Project into Workspace2) File>Import>Android>Existing Code into
Workspace
分类:
系统相关 时间:
2014-05-26 10:51:33
阅读次数:
280
onFling will get executed when a user makes a
"fling" motion, and said motion has a velocity with it to determine the type of
fling it was. However,.....
分类:
移动开发 时间:
2014-05-26 06:23:31
阅读次数:
443
Background
Some concepts in Mathematics and Computer Science are simple in one or two dimensions but become more complex when extended to arbitrary dimensions. Consider solving differential equations...
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其他好文 时间:
2014-05-26 04:31:34
阅读次数:
234
问题 K: Traveling
时间限制: 1 Sec 内存限制: 128 MB
提交: 13 解决: 4
[提交][状态][论坛]
题目描述
SH likes traveling around the world. When he arrives at a city, he will ask the staff about the number of cities that...
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其他好文 时间:
2014-05-25 01:44:43
阅读次数:
391
Thequerygives the data needed to populate fields of
the Solr document in full-importThedeltaImportQuerygives the data needed to
populate fields when r...
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其他好文 时间:
2014-05-24 08:02:49
阅读次数:
286
The OnMapReplaced event is triggered whenever
theIMapControl2::Mapis replaced by another map, such as when
theIMapControl2::LoadMxFilemethod is used o...
分类:
其他好文 时间:
2014-05-23 03:51:19
阅读次数:
261
如题:
select
max(case when name='1' then [temp] else null end) as temp1
, max(case when name='2' then [temp] else null end) as temp2,
max(case when name='3' then [temp] else null end) as...
分类:
数据库 时间:
2014-05-23 02:37:04
阅读次数:
734
Case when 的用法--简单Case函数简单CASE表达式,使用表达式确定返回值.语法:
CASE search_expression WHEN expression1 THEN result1 WHEN expression2 THEN
result2 ... WHEN expre...
分类:
数据库 时间:
2014-05-22 14:56:26
阅读次数:
336