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关于luajit的bytecode模式
最近把android下的Lua换成了Luajit,并且使用了bytecode,后来发现某些品牌的手机崩溃的比较多,于是怀疑是不是luajit的问题,所以就对Luajit的bytecode模式做了点调研,我们先来看一下-b参数的说明 -b[options] input output This option saves or lists bytecode. The followin...
分类:其他好文   时间:2014-07-22 23:05:16    阅读次数:676
Codeforces Amusing Joke 题解
So, the New Year holidays are over. Santa Claus and his colleagues can take a rest and have guests at last. When two "New Year and Christmas Men" meet, thear assistants cut out of cardboard the letter...
分类:其他好文   时间:2014-07-22 23:03:53    阅读次数:521
leetcode__Merge k Sorted Lists
Merge k Sorted Lists  Total Accepted: 9746 Total Submissions: 41674My Submissions Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity....
分类:其他好文   时间:2014-05-01 17:11:32    阅读次数:234
Two Sum
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
分类:其他好文   时间:2014-05-01 08:35:40    阅读次数:443
Lucene 4.0 TieredMergePolicy
默认的merge policy。 findMerges: 先将所有段按照扣除删除文档之后的字节数(bytesize * (1.0 - delRatio))降序排,对其中size() > 2.5G(maxMergedSegmentSize / 2)的段排除在外,其他只要不是正在归并的段,加入候选。 这个候选的列表如果大于allowedSegCount(allowedSegCount计算方法如下...
分类:其他好文   时间:2014-04-30 22:28:39    阅读次数:288
Codeforces Round #243 (Div. 1)——Sereja and Two Sequences
给两个长度分别为n和m的序列,现在有两种操作:1.分别选择两个序列的一个非空前缀,切两个前缀的最后一位相同,删除之,得到1分(只累计),消耗e;2.直接删除两个序列,消耗值定于两个序列之前删除的元素个数之和,并且使得得到的分有效(之前没有有效分) (1?≤?n,?m?≤?105; 1?≤?s?≤?3·105; 103?≤?e?≤?104),s代表总能量,e表示一次操作的消耗...
分类:其他好文   时间:2014-04-30 22:13:40    阅读次数:261
Timus 1642. 1D Maze迷宫
1D people lived in a 1D country. Everything in the country was one-dimensional, and everything was simple and clear: just one axis and two directions — forward and backward. Even a 1D world has proble...
分类:其他好文   时间:2014-04-29 13:44:22    阅读次数:284
Linux noop io 调度算法分析
定义了一个elevator_noop的调度器类型:  static struct elevator_type elevator_noop = { .ops = { .elevator_merge_req_fn = noop_merged_requests,//查询一个request,用于将bio并入 .elevator_dispatch_fn = noop_dispatch,/...
分类:系统相关   时间:2014-04-29 13:33:20    阅读次数:830
Leetcode:Container with most water 最大蓄水量
Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Fin...
分类:其他好文   时间:2014-04-29 13:15:21    阅读次数:415
Leetcode:Add Binary 二进制相加
Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". 思路同十进制的大数相加。代码如下: class Solution { public: string addBinary(string a, str...
分类:其他好文   时间:2014-04-29 13:12:20    阅读次数:328
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