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Hadoop with tool interface
Often Hadoop jobsare executed through a command line. Therefore, each Hadoop job has to support reading, parsing, and processing command-line argument...
分类:其他好文   时间:2015-04-10 08:14:48    阅读次数:192
python中的getattr函数
getattr(object, name[, default]) -> valueGet a named attribute from an object; getattr(x, 'y') is equivalent to x.y.When a default argument is given, ...
分类:编程语言   时间:2015-04-09 21:38:24    阅读次数:159
另一道PHP面试题
写出运行结果:  function myfunc($argument){               echo $argunment + 10;        }        $variable= 10;        echo“myfunc($variable)=”.myfunc($variable); 答案:1、...
分类:Web程序   时间:2015-04-08 15:14:11    阅读次数:161
C标准中的字符串-数字相互转换
数字转为字符串: 在C标准库中与平台无关的转换只有int sprintf( char *buffer, const char *format, [ argument] … );位于头文件stdio.h中。 #include int main(){ int num = 8; char numstr[128]; sprintf(numstr, "%d", num); printf(nums...
分类:其他好文   时间:2015-04-06 14:19:57    阅读次数:114
出现NSScanner: nil string argument libc++abi.dylib: terminate_handler unexpectedly threw an exception
出现了 2015-04-04 20:12:51.501 Pan大夫[5001:299704] NSScanner: nil string argument 2015-04-04 20:12:51.502 Pan大夫[5001:299704] NSScanner: nil string argument libc++abi.dylib: terminate_handler unexpect...
分类:编程语言   时间:2015-04-05 14:37:45    阅读次数:154
函数参数问题分析
直接看代码: \n"; if ($numargs >= 2) { echo "Second argument is: " . func_get_arg(1) . "\n"; } $arg_list = func_get_args(); for ($i = 0;...
分类:其他好文   时间:2015-04-01 10:58:49    阅读次数:132
The fundamental knowledge of Node JS.
D3 JSJava scirpt is an awesome language for Internface Design.All Obejcts in JavaScirpt could be used as an argument to pass around.Important Objects:...
分类:Web程序   时间:2015-04-01 07:00:19    阅读次数:252
【SICP练习】149 练习4.5
练习4-5原文Exercise 4.5. Scheme allows an additional syntax for cond clauses, ( => ). If evaluates to a true value, then is evaluated. Its value must be a procedure of one argument; this procedure is th...
分类:其他好文   时间:2015-03-31 22:34:57    阅读次数:241
【SICP练习】144 练习3.82
练习3-82原文Exercise 3.82. Redo exercise 3.5 on Monte Carlo integration in terms of streams. The stream version of estimate-integral will not have an argument telling how many trials to perform. Instead,...
分类:其他好文   时间:2015-03-29 16:37:17    阅读次数:162
backlog参数与SYN Flood攻击
在linux网络编程中,使用listen函数监听套接字,在linux中man其用法,第2个参数解释如下: The backlog argument defines the maximum length to which the queue of pending connections for sockfd may grow. ?...
分类:其他好文   时间:2015-03-29 09:32:29    阅读次数:229
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