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再谈 BigInteger - 优化
在上篇随笔“浅谈 GetHashCode”中,我实现了一个新的 Skyiv.Numeric.BigInteger.GetHashCode 方法: public override int GetHashCode() { int n = sign; for (int i = data.Length - 1; i >= 0; i -= 4) { int m = data[i]; ...
分类:其他好文   时间:2015-08-04 08:14:44    阅读次数:275
PAT 1006. Sign In and Sign Out (25)
1006. Sign In and Sign Out (25)At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one w...
分类:其他好文   时间:2015-08-03 20:38:16    阅读次数:104
Begin to record my bologs....
after work for almost two years, I have realize the truth notes can help a lot for us. avoiding my lazy life, I decide to sign something important up....
分类:其他好文   时间:2015-08-02 23:16:17    阅读次数:111
Sum
Sum 时间限制:1000 ms  |  内存限制:65535 KB 难度:2 描述Consider the natural numbers from 1 to N. By associating to each number a sign (+ or -) and calculating the value of this expression we obtain ...
分类:其他好文   时间:2015-08-02 21:41:37    阅读次数:165
人工神经网络之感知器算法
感知器作为人工神经网络中最基本的单元,有多个输入和一个输出组成。虽然我们的目的是学习很多神经单元互连的网络,但是我们还是需要先对单个的神经单元进行研究。感知器算法的主要流程: 首先得到n个输入,再将每个输入值加权,然后判断感知器输入的加权和最否达到某一阀值v,若达到,则通过sign函数输出1,否则....
分类:编程语言   时间:2015-08-01 23:17:17    阅读次数:166
iWatch报错: Fail to code sign "***" No valid signing identities (i.e. certificate and private key pair
iWatch报错: Fail to code sign "***" No valid signing identities (i.e. certificate and private key pair) matching the team ID "****" were found....
分类:其他好文   时间:2015-08-01 17:27:44    阅读次数:121
如何运行从网上下载的iWatch项目详细步骤.
如何运行从网上下载的iWatch项目详细步骤. 错误1: Fail to code sign "***" No valid signing identities (i.e. certificate and private key pair) matching the team ID "****" were found. 错误2: Unable to find a team with the given Team ID '****' to which you belong. Please contact Ap...
分类:其他好文   时间:2015-08-01 15:43:23    阅读次数:324
gitHub安装步骤
最近研究移动端的东西,需要资料都是从gitHub上下载下来的,感觉gitHub上的东西真的挺全面,所以也尝试注册了一个,以后有好的东西可以与大家一起分享;1.访问https://github.com,注册githbu账号3.点击sign,输入用户名,密码登陆 github4.如何在github上上传...
分类:其他好文   时间:2015-08-01 15:37:14    阅读次数:106
Revealing that beginning will let you include foreseeable future high priced diesel-engined sign maintenance tasks
This sign is usually hooked up by means of get shafts towards differential which inturn get this axel in addition to small wheels. This differential i...
分类:其他好文   时间:2015-07-31 17:46:42    阅读次数:152
IOS 真机测试 Xcode出现"The identity used to sign the executable is no longer valid"
在真机测试的时候出现了"The identity used to sign the executable is no longer valid"的错误。一开始以为是因为证书签名过期的问题,后来才发现是因为在xcode中的Build Settings中没有设置好Provisioning Profile,如图 重新选择下证书签名,然后重新运行下就OK了!...
分类:移动开发   时间:2015-07-31 10:42:34    阅读次数:576
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