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PAT甲级——A1042 Shuffling Machine
Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "ins ...
分类:系统相关   时间:2019-07-28 15:50:44    阅读次数:119
HDU-2095-find your present (2)-位或/STL(set)
In the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the des ...
分类:其他好文   时间:2019-07-26 21:22:23    阅读次数:101
There is no type initializer in Swift----One answer is to use static, it is the same as class final.
“Unlike stored instance properties, you must always give stored type properties a default value. This is because the type itself does not have an init ...
分类:编程语言   时间:2019-07-22 15:06:01    阅读次数:119
UVA - 10480 Sabotage (Dinic)
The regime of a small but wealthy dictatorship has been abruptly overthrown by an unexpected rebel-lion. Because of the enormous disturbances this is ...
分类:其他好文   时间:2019-07-20 00:19:35    阅读次数:112
H3C S12508单板卡 通过bootware升级software版本
H3C S12508单板卡 通过bootware升级software版本 案例:S12508更换主控板LST1MRPNC1 ,该板卡状态为Slave状态; 设备状态:S12508共2台做了堆叠,共含4张板卡,版本为S12500-CMW520-R1335P03;新板卡版本为s12500-cmw520- ...
分类:其他好文   时间:2019-07-19 16:48:48    阅读次数:126
网络编程小计
1. 客户端connect的时候如果报10061 // MessageId: WSAECONNREFUSED//// MessageText://// No connection could be made because the target machine actively refused it ...
分类:其他好文   时间:2019-07-19 15:33:30    阅读次数:109
ubuntut add user and give sudo right
# " ssozh" should be replace with you username 1.add user su root adduser -m ssozh passwd ssozh 2.give sudo right change file chmod: chmod u+w /etc/su ...
分类:系统相关   时间:2019-07-12 18:57:37    阅读次数:189
MairaDB中,MySql Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 解决方法
airaDB中,MySql Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 解决方法 环境:linux,10.0.38-MariaDB, 错误:Host is block ...
分类:数据库   时间:2019-07-11 12:28:00    阅读次数:136
HashMap的扩容机制
复习散列数据结构之余重新研究了一下Java中的HashMap;本文主要针对:1、HashMap的初始化;2、HashMap的插入;3:HashMap的扩容这三个方面进行总结 1、HashMap的初始化 首先我们来看看代码: 由此我们可知hashmap的容量总是2的N次方,而且这个值大于且最接近指定值 ...
分类:其他好文   时间:2019-07-08 23:45:49    阅读次数:132
Some Python Tips
Strings This is inefficient because a new string gets created upon each pass. Use a list and join it together: Similarly avoid the + operator on strin ...
分类:编程语言   时间:2019-07-07 21:37:15    阅读次数:157
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