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强一致 最终一致 Frequently Asked Questions - Consul by HashiCorp https://www.consul.io/docs/faq.html Q: Is Consul eventually or strongly consistent? Consul h
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posted @ 2019-04-18 20:59
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表驱动方法(Table-Driven Methods) - winner_0715 - 博客园 https://www.cnblogs.com/winner-0715/p/9382048.html What 表驱动方法(Table-Driven Methods),在《Unix 编程艺术》中有提到,《
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posted @ 2019-04-18 20:49
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作者:xiaodan zhuang链接:https://www.zhihu.com/question/21446061/answer/18421931 1.Clojure能够吸引人的很重要一点是它是JVM之上的语言,这个决定非常关键。首先,因为根植于JVM之上,并且做到了跟Java语言的相互调用,它
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posted @ 2019-04-16 12:11
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[Errno 5] Input/output error
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posted @ 2019-04-15 10:06
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mysql 事务队列 写入 幂等性 重复写入
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posted @ 2019-04-12 15:34
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n![(n+1)!]^n2!*4!*...*(2n)!*(2n+2)! > [(n+2)!]^(n+1)[(n+2)!]^(n+1)=[(n+1)!]^n*[(n+2)!]*(n+2)^n(2n+2)! > [(n+2)!]*(n+2)^n(n+3)*...*(2n+2)>(n+2)^n
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posted @ 2019-04-09 17:16
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The world's richest man, Amazon founder Jeff Bezos, and his wife MacKenzie have agreed a record-breaking divorce settlement of at least $35bn. 世界首富、亚马
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posted @ 2019-04-09 14:10
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139783.0 , 2.718272105261508139782.0 , 2.7182721052675713-6.063149982082905e-12139782 : -6.063149982082905e-12[132360, 132917, 133630, 134042, 135058,
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posted @ 2019-04-09 11:58
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S Korea to roll out 5G韩国正式推5G商用服务 South Korea will become the first country to commercially launch fifth-generation (5G) services on Friday as it roll
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posted @ 2019-04-09 10:37
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mysql函数之截取字符串 - 帅LOVE俊 - 博客园 https://www.cnblogs.com/shuaiandjun/p/7197450.html
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posted @ 2019-04-08 16:09
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小结: 1、避免并行大大事务对磁盘、内存的消耗; MySQL数据文件导致实例空间满的解决办法_空间/内存_常见问题_云数据库 RDS 版-阿里云 https://help.aliyun.com/knowledge_detail/101642.html MySQL实例可能会由于查询语句的排序、分组、关
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posted @ 2019-04-08 14:23
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posted @ 2019-04-08 11:02
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posted @ 2019-04-08 10:53
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量子杨-Baxter方程新解系的一般量子偶构造_爱学术 https://www.ixueshu.com/document/f3385115a33571aa318947a18e7f9386.html
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posted @ 2019-04-04 17:45
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COMSOL_百度百科 https://baike.baidu.com/item/COMSOL/10943148?fr=aladdin 显著特点 显著特点 ■ 求解多场问题 = 求解方程组,用户只需选择或者自定义不同专业的偏微分方程进行任意组合便可轻松实现多物理场的直接耦合分析。 ■ 完全开放的架构
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posted @ 2019-04-04 17:41
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托布利兹变换 toeplitz 变换 算术平均变换
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posted @ 2019-04-02 11:47
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http://www.math.ubc.ca/~cass/courses/m446-05b/dedekind-book.pdf#page=15
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posted @ 2019-04-02 09:04
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确界原理 supremum and infimum principle 戴德金定理 Dedekind theorem http://www.math.ubc.ca/~cass/courses/m446-05b/dedekind-book.pdf#page=15 continulity and irr
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posted @ 2019-04-02 09:03
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http://www.math.purdue.edu/about/purview/spring95/conjecture.html A Layman's Perspective of Abhyankar's Conjecture by Ganapathy Sundaram Consider a po
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posted @ 2019-03-29 15:48
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algebraically closed field https://en.wikipedia.org/wiki/Algebraically_closed_field As an example, the field of real numbers is not algebraically clos
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posted @ 2019-03-29 15:01
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posted @ 2019-03-28 18:41
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Shell实现判断进程是否存在并重新启动脚本 - superbfly的专栏 - CSDN博客 https://blog.csdn.net/superbfly/article/details/52513765 #! /bin/bash # author caoxin # time 2012-10-10
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posted @ 2019-03-28 13:49
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https://zh.wikipedia.org/wiki/同胚
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posted @ 2019-03-27 11:35
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小结: 1、流形(英语:Manifolds)一般可以通过把许多平直的片折弯并粘连而成,是局部具有欧几里得空间性质的空间,是欧几里得空间中的曲线、曲面等概念的推广 2、描述一个流形往往需要不止一个“地图”,因为一般来说流形并不是真正的欧几里得空间。举例来说,地球就没法用一张平面的地图来合适地描绘。 h
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posted @ 2019-03-27 09:44
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https://en.wikipedia.org/wiki/Rodrigues%27_formula https://en.wikipedia.org/wiki/Rodrigues%27_rotation_formula 旋转
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posted @ 2019-03-26 16:52
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http://groups.csail.mit.edu/graphics/classes/6.837/F03/lectures/04_transformations.ppt https://groups.csail.mit.edu/graphics/classes/6.837/F03/lecture
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posted @ 2019-03-26 11:04
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https://en.wikipedia.org/wiki/Canonical_form#Linear_algebra Suppose we have some set S of objects, with an equivalence relation R. A canonical form is
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posted @ 2019-03-25 14:49
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https://en.wikipedia.org/wiki/Underdetermined_system https://en.wikipedia.org/wiki/Constraint_counting In mathematics, constraint counting is counting
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posted @ 2019-03-25 09:07
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https://en.wikipedia.org/wiki/LU_decomposition One way to find the LU decomposition of this simple matrix would be to simply solve the linear equation
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posted @ 2019-03-25 08:59
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小结 1、根的置换:这些根所满足的任何代数方程,在置换之后也依然成立。 2、 x^3-2=0在Q上无解,域扩张field extension至R? 》求x在fieldA上f(x)=0的解,(注意,讨论解一定要指明讨论的域field) >放到扩张域fieldB上讨论因为是更大的域,所以,在小域上解与解
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posted @ 2019-03-22 23:29
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小结: 1、block diagonal matrix 直和 块对角矩阵 A block diagonal matrix is a block matrix that is a square matrix, and having main diagonal blocks square matrice
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posted @ 2019-03-21 16:43
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1、唯一键必须包含分区函数中的所有字段;主键是唯一键的一种; A PRIMARY KEY must include all columns in the table's partitioning function 22.6.1 Partitioning Keys, Primary Keys, and
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posted @ 2019-03-21 10:57
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# https://dev.mysql.com/doc/refman/5.6/en/partitioning-columns-range.html'''CREATE TABLE employees ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30), hired DATE NOT NULL DEFAULT '1...
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posted @ 2019-03-21 10:41
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https://dev.mysql.com/doc/refman/8.0/en/partitioning-subpartitions.html
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posted @ 2019-03-21 09:25
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https://en.wikipedia.org/wiki/Eisenstein%27s_criterion In mathematics, Eisenstein's criterion gives a sufficient condition for a polynomial with integ
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posted @ 2019-03-20 23:47
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posted @ 2019-03-20 20:49
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小结: 1) CREATE TABLE t_copy LIKE t; INSERT INTO t_copy SELECT * FROM t; DROP TABLE IF EXISTS t; CREATE TABLE t LIKE t_copy; INSERT INTO t SELECT * FROM
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posted @ 2019-03-20 15:15
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MySQL CPU 使用率高的原因和解决方法_产品性能_常见问题_云数据库 RDS 版-阿里云 https://help.aliyun.com/knowledge_detail/51587.html 常见原因 系统执行应用提交查询(包括数据修改操作)时需要大量的逻辑读(逻辑 IO,执行查询所需访问的
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posted @ 2019-03-20 10:37
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https://baike.baidu.com/item/不变量理论/9224903?fr=aladdininvariant theory 一组几何元素由 k个参数组成的向量 P1表示.若 T为某一变换,T∈G , G为某一变换群,这组几何元素经 T变换后,其参数组成的向量由 P1变为 P2(P1,
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posted @ 2019-03-20 08:49
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But only in the last decade have researchers begun to measure happiness across the life span and, in doing so, try to understand why older people tend
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posted @ 2019-03-19 22:39
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