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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...查一下磁盘空间
中文乱码。解决办法
外观，字符编码改成UTF-8
已经可以正常显示中文了，我们没有单独指定的TMP挂载点，所以剩下的空间都可用做临时文件夹
第二检查软件环境要求
配置IP与主机名对应关系
1、h...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...口是LINGO的默认模型窗口，建立的模型都都要在该窗口内编码实现。下面举两个例子。
例1.1 如何在LINGO中求解如下的LP问题：
在模型窗口中输入如下代码：
min=2*x1+3*x2;
x1+x2>=350;
x1>=100;
2*x1+x2<=600;
然后点击工具条上的按钮 ...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...AboutDlg中发送该消息的control指针，nCtlColor市Control的类型编码。对其进行如下修改：
HBRUSH CAboutDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if ((pWnd->GetDlgCtrlID() == IDC_EDIT1) && (nCtlColor == CTLCOLOR_EDIT))
{
COLORREF clr = RGB(255,...
Regular expression that matches valid IPv6 addresses
...
254
I was unable to get @Factor Mystic's answer to work with POSIX regular expressions, so I wrote o...
How do I make a matrix from a list of vectors in R?
...
124
One option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
[...
How to get row from R data.frame
...for example:
#Add your data
x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ),
B = c(4.25, 4, 4, 4.5, 4.5 ),
C = c(4.5, 2.5, 4, 2.25, 3 )
),
.Names = c("A", "B", "C"),
class = "data.f...
Concatenating two one-dimensional NumPy arrays
... explicit sequences).
– Jim K.
Aug 24 '16 at 20:43
@JimK. What would happen to the axis parameter?
...
What is the best regular expression to check if a string is a valid URL?
...
415
I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.f...
Filter rows which contain a certain string
...
4 Answers
4
Active
...
Is there an easy way to check the .NET Framework version?
... like this should do it. Just grab the value from the registry
For .NET 1-4:
Framework is the highest installed version, SP is the service pack for that version.
RegistryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_name...