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How to add not null constraint to existing column in MySQL
...isting column definition. For example:
ALTER TABLE Person MODIFY P_Id INT(11) NOT NULL;
A word of caution: you need to specify the full column definition again when using a MODIFY query. If your column has, for example, a DEFAULT value, or a column comment, you need to specify it in the MODIFY st...
Remove the image from a imageview Android [duplicate]
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tristan2468tristan2468
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Remove ListView separator(in the xml layout file) [duplicate]
...ull is enough.
– Sotti
Jul 9 '14 at 11:03
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@Neon - It's when you extend your Activity from ListA...
Difference between datetime and timestamp in sqlserver? [duplicate]
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edited Aug 18 '11 at 12:00
answered Aug 18 '11 at 9:22
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align text center with android
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edited Sep 6 '11 at 21:29
answered Sep 6 '11 at 21:08
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Autoresizing masks programmatically vs Interface Builder / xib / nib
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answered Oct 13 '11 at 14:33
DarkDustDarkDust
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What to use now Google News API is deprecated? [closed]
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answered Oct 20 '11 at 0:06
nambrotnambrot
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Access the css “:after” selector with jQuery [duplicate]
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edited May 23 '17 at 11:47
Community♦
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answered Jul 22 '13 at 13:40
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C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++11 tuple 这一篇就够了tuple元组定义了一个有固定数目元素的容器,其中的每个元素类型都可以不相同,这与其他容器有着本质的区别 是对pair的泛化。首先来介绍元组的 tuple元组定义了一个有固定数目元素的容器,其中的每个元素...
一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...
...的网络文件系统的 I/O状态数据。
2014年6月17日， SYSSTAT11.0.0（稳定版）正式发布。它带来了一些新的有趣的功能，如下所示。
pidstat命令得到了新的增强，新增了一些命令选项：
一个是“-R”，它可以提供有关策略和任务调度...