最近在看<Spark for Data Science>这本书,阅读到<Machine Learning>这一节的时候被稀疏矩阵的存储格式CSC给弄的晕头转向的.所以专门写一篇文章记录一下我对这种格式的理解. 目的 Compressed Sparse Column Format (CSC)的目的是为了压缩矩阵,减少矩阵存储所占用的空间.这很好理解,手法无法就是通过增加一些"元信息"来描述矩阵中的非零元素存储的位置(基于列),然后结合非零元素的值来表示矩阵.这样在…
When you publish your ASP.NET project to a hosting account such as GoDaddy, you may run into the issue below. This issue may occur even though your code works fine in localhost. Server Error in ‘/’ Application. . Parser Error Description: An error oc…
# This file contains command-line options that the C# # command line compiler (CSC) will process as part # of every compilation, unless the "/noconfig" option # is specified. #========================================== # Reference the common Fra…
# This file contains command-line options that the C# # command line compiler (CSC) will process as part # of every compilation, unless the "/noconfig" option # is specified. # Reference the common Framework libraries /r:Accessibility.dll /r:Mic…
# This file contains command-line options that the C# # command line compiler (CSC) will process as part # of every compilation, unless the "/noconfig" option # is specified. # Reference the common Framework libraries /r:Accessibility.dll /r:Mic…
CSC : fatal error CS0042: Unexpected error creating debug information file 'xxxx.PDB' -- 'c:\Builds\xxxx.pdb: The process cannot access the file because it is being used by another process. 查看了详细的Build Log, 发现了同样的一文件被build了两次. 原因是 Solution 中的 Project…