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HDU 1978 How many ways (DP)
How many waysTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3146Accepted Submission(s): 1852Probl...
分类:其他好文   时间:2014-12-19 00:25:23    阅读次数:190
redis celery too many connection
用django 框架,异步任务用celery,队列用redis出现了这个问题,too many connectionCouldn't ack '5f41afc62d-a112-bef34d5de1cc', reason:ConnectionError('Too many connections',)...
分类:其他好文   时间:2014-12-18 23:33:02    阅读次数:551
【IOS笔记】Views
ViewsBecause view objects are the main way your application interacts with the user, they have many responsibilities. Here are just a few:通过view对象是与用户...
分类:移动开发   时间:2014-12-18 20:32:05    阅读次数:391
前端好难
In many ways, I think being a front end engineer is one of the most complicated jobs in computer science. Most traditional programming concepts don’t ...
分类:其他好文   时间:2014-12-18 18:10:45    阅读次数:181
MinGW: TOO MANY SECTIONS issue
http://sourceforge.net/p/mingw-w64/mailman/mingw-w64-public/thread/509A38C6.6070807@doxos.eu/Optimization Levelshttps://gcc.gnu.org/onlinedocs/gnat_ug...
分类:其他好文   时间:2014-12-18 11:49:38    阅读次数:170
hibernate中“deleted object would be re-saved by cascade”异常原理和解决方案
在hibernate中,经常会出现one to many的关系,如果在不删除one端的前提下要删除many端的某一条或某几条记录,就可能出现上述的异常。 该异常的原理是因为one 端和 many端的联系没有切断,必须要切断他们之间的联系才能进行删除。 方法: Student s = studentD...
分类:Web程序   时间:2014-12-18 11:42:31    阅读次数:156
Binary String Matching
Binary String Matching 时间限制:3000 ms  |  内存限制:65535 KB 难度:3 描述Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear a...
分类:其他好文   时间:2014-12-17 16:35:01    阅读次数:169
php.ini xdebug配置
[PHP] ;;;;;;;;;;;;;;;;;;; ; About php.ini ? ; ;;;;;;;;;;;;;;;;;;; ; PHP‘s initialization file, generally called php.ini, is responsible for ; configuring many of the aspects of PHP‘s behavior. ; P...
分类:Web程序   时间:2014-12-16 21:10:27    阅读次数:791
Solve equation
Description You are given two positive integers A and B in Base C. For the equation: A=k*B+d We know there always existing many non-negative pairs (k, d) that satisfy the equation above. Now...
分类:其他好文   时间:2014-12-16 21:05:09    阅读次数:244
zepto - toggle
togglevar input = $('input[type=text]'); $('#too_long').toggle(input.val().length < 5);
分类:其他好文   时间:2014-12-16 19:09:35    阅读次数:393
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