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C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... string fileName = @"D:\users\lizw\桌面\Programmers.dat";//文件名称与路径 Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite); BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器 bin...
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C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术

... string fileName = @"D:\users\lizw\桌面\Programmers.dat";//文件名称与路径 Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite); BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器 bin...
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Converting string to numeric [duplicate]

... "NoData". What do expect/want as.numeric to do with these values? In read.csv, try using the argument stringsAsFactors=FALSE Are you sure it's sep="/t and not sep="\t" Use the command head(pitchman) to check the first fews rows of your data Also, it's very tricky to guess what your problem is when ...
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How to save a list as numpy array in python?

... Here is a more complete example: import csv import numpy as np with open('filename','rb') as csvfile: cdl = list( csv.reader(csvfile,delimiter='\t')) print "Number of records = " + str(len(cdl)) #then later npcdl = np.array(cdl) Hope this helps!! ...
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Select Pandas rows based on list index

...a the skiprows parameter. Example pred = lambda x: x not in [1, 3] pd.read_csv("data.csv", skiprows=pred, index_col=0, names=...) This will now return a DataFrame from a file that skips all rows except 1 and 3. Details From the docs: skiprows : list-like or integer or callable, default None ... I...
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VS工程“生成事件”之文件拷贝 - C/C++ - 清泛网 - 专注C/C++及内核技术

VS工程“生成事件”之文件拷贝有时工程下面引用了lib文件,但是编译Debug Release等版本时需要将dll拷至指定目录才能运行,如果有多个编译版本需要拷贝多份,这样不便于...有时工程下面引用了lib文件,但是编译Debug/Release等版...
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PHP中9大缓存技术总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...码******* $content = Ob_get_contents(); ****将缓存内容写入html文件***** Ob_end_clean(); 2、页面部分缓存 该种方式,是将一个页面中不经常变的部分进行静态缓存,而经常变化的块不缓存,最后组装在一起显示;可以使用类似于ob_get_co...
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VMware .GHO文件安装系统的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

VMware .GHO文件安装系统的方法现在很多系统都直接发gho文件因为是体积过大,再者刻盘也不方便,如果下载后想测试安装一下又不想物理机安装,那么vm虚拟机是一个很好的方... 现在很多系统都直接发gho文件因为是体积过大,...
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NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术

...分成下面三个段: 旁注:在编译器编译并链接生成可执行文件的过程中,会出现两个section的概念,一个是在生成目标文件,通常是我们所说的.o文件,目标文件也是由多个section组成,我们通常叫这个section为节,这里的每个section...
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Most underused data visualization [closed]

... <- Sys.Date() quote <- paste("http://ichart.finance.yahoo.com/table.csv?s=", stock, "&a=", substr(start.date,6,7), "&b=", substr(start.date, 9, 10), "&c=", substr(start.date, 1,4), "&d=", substr(end.date,6,7), ...