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R语言记录程序运行的时间
f <- function(start_time) { start_time <- as.POSIXct(start_time) dt <- difftime(Sys.time(), start_time, units="secs") # Since you only want the H:M...
分类:其他好文   时间:2014-07-22 22:55:12    阅读次数:185
LeetCode "Populating Next Right Pointers in Each Node"
Apparently BFS is the most obvious one.. but it is not that simple - only constant extra space is provided.Then the only strategy to take is recursion...
分类:其他好文   时间:2014-07-22 00:39:35    阅读次数:258
基于Lucene3.5.0怎样从TokenStream获得Token
通过学习Lucene3.5.0的doc文档,对不同release版本号 lucene版本号的API修改做分析。最后找到了有价值的修改信息。LUCENE-2302: Deprecated TermAttribute and replaced by a new CharTermAttribute. Th...
分类:其他好文   时间:2014-07-22 00:36:33    阅读次数:258
LeetCode "Merge Sorted Array"
My first reaction: move all A elements back by n positions, and start everything from A[0] and B[0]. But a smarter idea is to start everything from th...
分类:其他好文   时间:2014-07-22 00:35:36    阅读次数:189
Asterisk 源代码解析之SIP呼叫
下图是asterisk的呼叫流程图: 我们以sip的呼叫过程为例来描述,其他channel的呼叫过程基本类似。 Astersik下注册的sip用户主动发起一个呼叫的函数调用过程(incoming)如下:  do_monitor->sipsock_read->handle_request->handle_request_invite->sip_new/ast_pbx_start->pbx_th...
分类:其他好文   时间:2014-07-22 00:27:37    阅读次数:294
仿糯米弹框效果demo
代码如下: Tabs /* Remove margin padding */ body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td { margin:0; padding:0; } /* Default Font...
分类:其他好文   时间:2014-07-22 00:16:33    阅读次数:316
导航菜单(移动出现子菜单)
代码如下: /* 这以下是重置样式 Remove margin padding */ body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td { margin:0; padding:0; } /*...
分类:移动开发   时间:2014-07-22 00:15:36    阅读次数:361
BNU 12846 LCM Extreme 最小公倍数之和(线性欧拉筛选+递推)
LCM ExtremeTime Limit:3000msMemory Limit:131072KBThis problem will be judged on UVALive. Original ID:596464-bit integer IO format:%lld Java class name...
分类:其他好文   时间:2014-07-22 00:00:37    阅读次数:437
Media Queries语法总结
Media Queries的语法如下所示:@media [media_query] media_type and media_feature 使用Media Queries样式模块时都必须以"@media"方式开头。media_query表示查询关键字,在这里可以使用not关键字和only关键字。n...
分类:其他好文   时间:2014-07-21 23:39:35    阅读次数:472
POJ 1845 Sumdiv
Sumdiv Description Consider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determine S modulo 9901 (the rest of the division of S by 9901). Input The only line...
分类:其他好文   时间:2014-07-21 16:27:12    阅读次数:187
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