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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
9个常用iptables配置实例iptables命令可用于配置Linux的包过滤规则，常用于实现防火墙、NAT。咋一看iptables的配置很复杂，掌握规律后，其实用iptables完成指定任务...iptables命令可用于配置Linux的包过滤规则，常用于实现防火墙、NAT。...
How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
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Limiting number of displayed results when using ngRepeat
...tutorials hard to understand; this one is walking me through building an app that displays phones. I’m on step 5 and I thought as an experiment I’d try to allow users to specify how many they’d like to be shown. The view looks like this:
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if checkbox is checked, do this
When I check a checkbox, I want it to turn <p> #0099ff .
11 Answers
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Is it possible to specify a starting number for an ordered list?
...st where I would like the initial number to be 6. I found that this was supported (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the start attribute)
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How to use sed/grep to extract text between two words?
I am trying to output a string that contains everything between two words of a string:
12 Answers
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ASP.NET MVC View Engine Comparison
...on SO & Google for a breakdown of the various View Engines available for ASP.NET MVC, but haven't found much more than simple high-level descriptions of what a view engine is.
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How to output only captured groups with sed?
Is there any way to tell sed to output only captured groups? For example given the input:
8 Answers
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What is the difference between :first-child and :first-of-type?
... tell the difference between element:first-child and element:first-of-type
3 Answers
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...不够深入，所以写下了这篇文章。
为了方便你把代码copy过去编译和调试，我把代码列在下面：
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#include <stdio.h>
struct str{
int len;
char s[0];
};
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