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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...msg->msg_flags&MSG_MORE; //UDP_CORK或者MSG_MORE int (*getfrag)(void *, char *, int, int, int, struct sk_buff *); struct sk_buff *skb; struct ip_options_data opt_copy; if (len > 0xFFFF) //长度不能超过64k, UDP头部只有16位长度位 return -EMSGSIZE; /* * Check the flags. ...
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How to convert a string of numbers to an array of numbers?

... the string so x=>+x (which is even shorter than the Number function (5 chars instead of 6)) is equivalent to : function(x){return parseInt(x,10)}// version from techfoobar (x)=>{return parseInt(x)} // lambda are shorter and parseInt default is 10 (x)=>{return +x} ...
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Convert text into number in MySQL query

...ists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according do character order, i.e. ...
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Does a method's signature in Java include its return type?

...ple: public class Foo { public int myMethod(int param) {} public char myMethod(int param) {} } No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line: public char myMethod(int param) {} will give you can error: method is al...
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Java: method to get position of a match in a String?

... First loop will fail to find all positions if matching one char. You don't need +1 in for loop second statement, because third statement does counting i++ try for String text = "0011100"; matching word char "1" it will print 2,4 not 2,3,4 – Strauteka ...
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How do I check if a number is positive or negative in C#?

... This is the industry standard: int is_negative(float num) { char *p = (char*) malloc(20); sprintf(p, "%f", num); return p[0] == '-'; } share | improve this answer | ...
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc

I want to convert an integer into its character equivalent based on the alphabet. For example: 12 Answers ...
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Difference: std::runtime_error vs std::exception()

... not standard. The runtime_error class has a constructor taking arguments (char*) on both platforms, Windows and Linux. To be portable, better use runtime_error. (And remember, just because a specification of your project says your code does not have to run on Linux, it does not mean it does never ...
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C/C++ macro string concatenation

Is it possible to concatenate have STR3 == "s1"? You can do this by passing args to another Macro function. But is there a direct way? ...
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How to add a line break in an Android TextView?

... i just wanted to add that this quote-stuff also works fine with special characters in string resources or with languages like greek or russian... (if you encounter any problems) – datayeah Jun 19 '12 at 10:09 ...