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Lua 中pairs和ipairs 区别
lua 中pairs 和 ipairs区别 标准库提供了集中迭代器,包括迭代文件每行的(io.lines),迭代table元素的(pairs),迭代数组元素的(ipairs),迭代字符串中单词的  (string.gmatch)等等。LUA手册中对与pairs,ipairs解释如下: ipairs (t) Returns three values: an ite...
分类:其他好文   时间:2014-09-29 13:32:41    阅读次数:222
Robotium--scroll操作系列
上下滚动scrollDown[html]view plaincopypublicbooleanscrollDown()Scrollsdownthescreen.Returns:trueifmorescrollingcanbeperformedfalseifitisattheendofthescree...
分类:其他好文   时间:2014-09-28 19:19:15    阅读次数:214
objectForKey与valueForKey在NSDictionary中的差异
从 NSDictionary 取值的时候有两个方法,objectForKey: 和 valueForKey:,这两个方法具体有什么不同呢?先从 NSDictionary 文档中来看这两个方法的定义:objectForKey: returns the value associated with aKe...
分类:其他好文   时间:2014-09-27 23:08:30    阅读次数:145
python查看进程树
#!/usr/bin/envpython importshlex fromsubprocessimportPopen,PIPE defget_ps(): cmd=‘psax-opid,ppid,cmd‘ p=Popen(shlex.split(cmd),stdout=PIPE) returnp.stdout.readlines()[1:] defsplit(s): s=s.split() returns[0],s[1],‘‘.join(s[2:]) defparser_ps(data): p..
分类:编程语言   时间:2014-09-27 18:03:10    阅读次数:339
getServletPath方法
getServletPath java.lang.String getServletPath() Returns the part of this request's URL that calls the servlet. This path starts with a "/" character and includes either the servlet name or a path t...
分类:其他好文   时间:2014-09-27 18:00:10    阅读次数:403
Implement strStr()
Implement strStr(). Returns a pointer to the first occurrence of needle in haystack,or null if needle is not part of haystack....
分类:其他好文   时间:2014-09-24 17:52:27    阅读次数:159
Pickling
Pickle translates almost any type of object into a string. pickle.dumps takes an object as a parameter and returns a string representation. ...
分类:其他好文   时间:2014-09-24 00:32:45    阅读次数:177
Java实例对象间的比较(实现Comparable接口)
intcompareTo(To)Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is le...
分类:编程语言   时间:2014-09-22 23:21:13    阅读次数:173
tornado\ioloop.py单例
@staticmethod def instance(): """Returns a global `IOLoop` instance. Most applications have a single, global `IOLoop` running on ...
分类:其他好文   时间:2014-09-22 14:36:42    阅读次数:199
String subString方法
package 字符串2;public class TestString {public static void main(String[] args) { String str = "Returns a new character sequence that is a subsequence of...
分类:其他好文   时间:2014-09-20 17:35:59    阅读次数:182
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