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What is the fastest way to create a checksum for large files in C#
...m).Replace("-", String.Empty).ToLower();
}
And I tested with a file of 29½ GB in size, the results were
10.000: 369,24s
100.000: 362,55s
1.000.000: 361,53s
10.000.000: 434,15s
100.000.000: 435,15s
1.000.000.000: 434,31s
And 376,22s when using the original, none buffered code.
I am running an ...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...
CString类：处理字符串
CStringList类：支持CString对象的列表
CWinApp类：派生的程序对象的基类
CWnd类：提供所有窗口类的基本函数
API函数
CArchive类：用于二进制保存档案
CArchive::CArchive 建立一个CArchive对象
CArchi...
Only read selected columns
....g.: fread("data.txt", select = c(1:7), data.table = FALSE)
2) With read.csv.sql from the sqldf-package:
Another alternative is the read.csv.sql function from the sqldf package:
library(sqldf)
dat <- read.csv.sql("data.txt",
sql = "select Year,Jan,Feb,Mar,Apr,May,Jun from ...
How to sort an array of objects with jquery or javascript [duplicate]
... answered Mar 31 '11 at 17:44
HåvardHåvard
8,7633737 silver badges4646 bronze badges
...
source of historical stock data [closed]
...IS NO LONGER ACCURATE AS THE YAHOO FEED HAS CEASED TO EXIST
Using Yahoo's CSV approach above you can also get historical data!
You can reverse engineer the following example:
http://ichart.finance.yahoo.com/table.csv?s=YHOO&d=0&e=28&f=2010&g=d&a=3&b=12&c=1996&ignore...
How do you find the last day of the month? [duplicate]
...ed Nov 2 '10 at 15:07
Øyvind BråthenØyvind Bråthen
52.2k2525 gold badges113113 silver badges138138 bronze badges
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warning: xxx will be initialized after [-Wreorder] - C/C++ - 清泛网 - 专注C/C++及内核技术
warning: xxx will be initialized after [-Wreorder]c++使用参数列表进行初始话时，初始化成员变量的顺序和声明的顺序相同，如果在写参数列表时没有按照声明的顺序写，则出现此警告。这个警告...c++使用参数列表进行初始话时，初始化...
解决rc中无法设置CComboBox下拉列表框高度的问题 - C/C++ - 清泛网 - 专注C...
解决rc中无法设置CComboBox下拉列表框高度的问题怎么修改CComboBox实例的高度，注意，不是下拉框的！（在rc资源中无法调整高度）m_combo.SetItemHeight(-1,50);IfnIndexis–1,theheig...怎么修改CComboBox实例的高度，注意，不是下拉框的！（...
Linux查看进程已加载依赖模块列表信息 - 操作系统(内核) - 清泛网 - 专注C/...
Linux查看进程已加载依赖模块列表信息linux-proc-mapsps -elf | grep xxx(process name) 找到目标程序pidcat proc (pid) mapsOpenSuse下也可以用 lsof -n 查看。
ps -elf | grep xxx(process name) #找到目标程序pid
cat /proc/(pid)/maps
OpenSuse下也可以用 lsof -n 查...
App Inventor 2提示“请从下拉列表中选择合适项”错误解决方法 - App Inven...
App Inventor 2提示“请从下拉列表中选择合适项”错误，如下：
虽然是一个错误，但是代码根本没有问题，而且测试起来功能等一切正常，但就是提示这个错误。
其实解决方法非常简单，就是把错误后面的代码块中下拉选择...